view gcc/ChangeLog @ 47:3bfb6c00c1e0

update it from 4.4.2 to 4.4.3.
author kent <>
date Sun, 07 Feb 2010 17:44:34 +0900
parents 855418dad1a3
children 77e2b8dfacca
line wrap: on
line source

2010-01-21  Release Manager

	* GCC 4.4.3 released.

2010-01-20  Richard Guenther  <>

	PR tree-optimization/41826
	* tree-ssa-structalias.c (get_constraint_for_ptr_offset): Avoid
	access to re-allocated vector fields.

2010-01-20  Jakub Jelinek  <>

	* dwarf2out.c (loc_descriptor_from_tree_1): Don't handle unsigned
	division.  Handle signed modulo using DW_OP_{over,over,div,mul,minus}.
	* unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
	modulo instead of signed.

	PR middle-end/42803
	* varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
	argument, call initializer_constant_valid_p_1 instead of
	initializer_constant_valid_p, pass CACHE to it, return NULL
	immediately if first call returns NULL.
	(initializer_constant_valid_p_1): New function.
	(initializer_constant_valid_p): Use it.

2010-01-18  Uros Bizjak  <>

	PR target/42774
	* config/alpha/ (aligned_memory_operand): Return 0 for
	memory references with unaligned offsets.  Remove CQImode handling.
	(unaligned_memory_operand): Return 1 for memory references with
	unaligned offsets.  Remove CQImode handling.

2010-01-17  H.J. Lu  <>

	Backport from mainline:
	2010-01-13  Steve Ellcey  <>

	PR target/42542
	* config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
	for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
	them signed.

2010-01-17  Richard Guenther  <>

	PR tree-optimization/42773
	* tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
	(compute_antic_aux): Likewise.
	(compute_partial_antic_aux): Likewise.

2010-01-16  Jakub Jelinek  <>

	PR middle-end/42760
	Backport from trunk
	2009-06-17  Steve Ellcey  <>

	* expr.c (expand_assignment): Change complex type check.

2010-01-15  Jing Yu  <>

	PR rtl-optimization/42691
	* combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
	a pseudo to a constant and are merged, and adjust comments.

2010-01-15  Richard Guenther  <>

	* tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.

2010-01-14  Jakub Jelinek  <>

	PR middle-end/42674
	* c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
	functions with noreturn attribute.

	PR c++/42608
	* varasm.c (declare_weak): Add weak attribute to decl if it
	doesn't have one already.
	(assemble_external): Only add decls to weak_decls if they also
	have weak attribute.

2010-01-14  Jakub Jelinek  <>

	PR c/42721
	Port from no-undefined-overflow branch
	2009-03-09  Richard Guenther  <>

	* fold-const.c (add_double_with_sign): Fix unsigned overflow

2010-01-14  Jakub Jelinek  <>

	Backport from mainline
	2010-01-10  Richard Guenther  <>

	PR middle-end/42667
	* builtins.c (fold_builtin_strlen): Add type argument and
	convert the resulting length to it.
	(fold_builtin_1): Adjust.

2010-01-13  Sebastian Pop  <>

	PR middle-end/40281
	* tree-scalar-evolution.c (instantiate_scev_1): Base and stride
	evolutions should not variate in inner loops.

2010-01-12  Ramana Radhakrishnan  <>

	* Backport from mainline
	2010-01-12  Julian Brown  <>

        * config/arm/ (Utils): Don't try to
	open missing module.
        (find_with_result): New.

2010-01-12  Jakub Jelinek  <>

	PR debug/42662
	* simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
	sharing when canonicalizing ({lt,ge}u (plus a b) b).

2010-01-09  Jakub Jelinek  <>

	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.

2010-01-07  H.J. Lu  <>

	Backport from mainline
	2010-01-05  Paolo Bonzini  <>
		    H.J. Lu  <>

	PR target/42542
	* config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
	for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
	operands to make them signed.

2010-01-07  Uros Bizjak  <>

	* ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.

	PR target/42511
	* ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
	note itself is not function_invariant_p.

2010-01-05  Eric Botcazou  <>

	PR target/42564
	* config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
	* config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	(sparc_tls_referenced_p): Likewise.
	* config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
	and adjust calls to legitimize_pic_address.
	(legitimate_constant_p) Use sparc_tls_referenced_p.
	(legitimate_pic_operand_p): Likewise.
	(sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
	(sparc_tls_symbol_ref_1): Delete.
	(sparc_tls_referenced_p): Make static, recognize specific patterns.
	(legitimize_tls_address): Make static, handle CONST patterns.
	(legitimize_pic_address): Make static, remove unused parameter and
	adjust recursive calls.
	(sparc_legitimize_address): Make static, use sparc_tls_referenced_p
	and adjust call to legitimize_pic_address.
	(sparc_output_mi_thunk): Likewise.

2010-01-05  Richard Guenther  <>

	PR tree-optimization/42614
	* tree-ssa-alias.c (compute_flow_insensitive_aliasing):
	Compute SMT aliases before symbol aliases.

2010-01-05  Jakub Jelinek  <>

	PR other/42611
	* cfgexpand.c (expand_one_var): Diagnose too large variables.

2010-01-04  Mikael Pettersson  <>

	PR target/42503

	Backport from mainline:

	2009-09-09  Jakub Jelinek  <>

	* config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
	New variables.
	* config/t-slibgcc-libgcc: New file.

	2009-10-19  Matthias Klose  <>

	PR target/40134
	* config.gcc (arm*-*-linux-*eabi): Use config/t-slibgcc-libgcc.

2010-01-04  Ira Rosen  <>

	PR tree-optimization/41956
	* tree-vect-analyze.c (vect_supported_load_permutation_p): Add check
	that the load indices differ.

2010-01-02  Richard Guenther  <>

	Backport from mainline
	2009-12-10  Richard Guenther  <>

	PR tree-optimization/42337
	* tree-ssa-pre.c (seen_during_translate): Remove.
	(phi_translate_1): Collapse into ...
	(phi_translate): ... this.  Remove seen parameter and
	adjust recursive calls.

2010-01-02  Uros Bizjak  <>

	PR target/42448
	* config/alpha/ (aligned_memory_operand): Return false
	for CQImode.
	(unaligned_memory_operand): Return true for CQImode.
	* config/alpha/alpha.c (get_aligned_mem): Assert that location
	doesn not cross aligned SImode word boundary.

2009-12-30  Ian Lance Taylor  <>

	PR middle-end/42099
	* expmed.c (expand_divmod): Don't shift HOST_WIDE_INT value more

2009-12-30  Uros Bizjak  <>

	PR target/42549
	* config/i386/ (*mmx_subv2sf3): Fix insn operand number for
	alternative 1.

2009-12-28  H.J. Lu  <>

	Backport from mainline:
	2009-12-28  H.J. Lu  <>

	PR middle-end/41344
	* omp-low.c (diagnose_sb_2): Handle GIMPLE_COND.

2009-12-27  Martin Jambor  <>

	PR tree-optimization/42231
	* ipa-cp.c (ipcp_update_cloned_node): Add missing edges manually
	instead of relying on rebuild_cgraph_edges and mark them as
	indirect calls.
	(ipcp_update_callgraph): Always redirect indirect edges.

2009-12-23  Jakub Jelinek  <>

	PR rtl-optimization/42475
	* combine.c (make_compound_operation) <case SUBREG>: Use mode of
	SUBREG_REG (x) instead of tem's mode.

2009-12-21  Jakub Jelinek  <>

	PR rtl-optimization/42429
	* reload.c (find_reloads_subreg_address): When adjusting mode of
	MEM, update also MEM_SIZE if it is set.

2009-12-17  Dave Korn  <>

	* config/i386/cygwin.h (LINK_SPEC): Add -tsaware flag if !mno-cygwin.

2009-12-11  Ramana Radhakrishnan  <>

	PR target/42263
	Backport from mainline

	2009-12-03  Richard Earnshaw  <>

	* arm/linux-atomic.c (SYNC_LOCK_RELEASE): Place memory barrier
	before the lock release.

2009-12-11  Ramana Radhakrishnan  <>

	PR target/42263
	2009-08-11  Andrew Haley  <>
	* config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.

2009-12-11  Ramana Radhakrishnan  <>

	PR target/41196
	2009-10-14  Daniel Gutson  <>

	* config/arm/ (neon_vshll_n<mode>): Checking Bounds fixed.

2009-12-11  Ramana Radhakrishnan  <>

	2009-10-05  Doug Kwan  <>

	PR rtl-optimization/41574
	* combine.c (distribute_and_simplify_rtx): Quit if RTX mode is
	floating point and we are not doing unsafe math optimizations.

2009-12-11  Ramana Radhakrishnan  <>

	PR target/41939
	Backport from mainline:
	2009-06-05  Julian Brown  <>

	* config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
	* config/arm/ieee754-sf.S (cmpsf2): Likewise.

2009-12-09  Andreas Krebbel  <>

	* config/s390/ ("copysign<mode>3"): Pattern removed.

2009-12-07  Uros Bizjak  <>

	* config/i386/ (*iorqi_ext_2): Fix insn mnemonic typo.

2009-12-06  Richard Henderson  <>

	* tree-ssa-dom.c (degenerate_phi_result): Check for NULL phi
	argument earlier.

2009-12-04  Ulrich Weigand  <>

	Backport from mainline:

	2009-05-22  Trevor Smigiel <>

	* config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
	(spu_split_load, spu_split_store): Change return type to int.
	(spu_split_convert): Declare.
	* config/spu/ (spu_mem_operand): Remove.
	(spu_mov_operand): Update.
	(spu_dest_operand, shiftrt_operator, extend_operator): Define.
	* config/spu/spu.c (regno_aligned_for_load): Remove.
	(reg_aligned_for_addr, spu_expand_load): Define.
	(spu_expand_extv): Reimplement and handle MEM.
	(spu_expand_insv): Handle MEM.
	(spu_sched_reorder): Handle insn's with length 0.
	(spu_legitimate_address): Reimplement.
	(store_with_one_insn_p): Return TRUE for any mode with size
	larger than 16 bytes.
	(address_needs_split): Define.
	(spu_expand_mov): Call spu_split_load and spu_split_store for MEM
	(spu_convert_move): Define.
	(spu_split_load): Use spu_expand_load and change all MEM's to
	(spu_split_store): Change all MEM's to TImode.
	(spu_init_expanders): Preallocate registers that correspond to
	LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
	(spu_split_convert): Define.
	* config/spu/ (QHSI, QHSDI): New mode iterators.
	(_move<mode>, _movdi, _movti): Update predicate and condition.
	(load, store): Change to define_split.
	(extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
	(zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
	(lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
	define_insn_and_split of lshr<mode>3.
	(shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
	(<v>ashr<mode>3_imm): Define.
	(extv, extzv, insv): Allow MEM operands.
	(trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
	shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
	sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
	(_spu_convert2): Change to define_insn_and_split and remove the
	corresponding define_peephole2.
	(stack_protect_set, stack_protect_test, stack_protect_test_si):
	Change predicates to memory_operand.

	2009-04-27  Trevor Smigiel <>

	* spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
	instruction is correct.

	2009-04-27  Trevor Smigiel <>

	Allow non-constant arguments to conversion intrinsics.
	* spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
	* (spu_inv_exp2_operand, spu_exp2_operand): New.
	* spu.c (print_operand): Handle 'v' and 'w'.
	(exp2_immediate_p, spu_gen_exp2): Define.
	* spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
	spu_convtf_1): Update parameter descriptions.
	* (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu):
	* ('v', 'w'): New.
	(i2f, I2F): New define_mode_attr.
	(floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
	floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
	fixuns_truncv4sfv4si2):  Update to use mode attribute.
	(float<mode><i2f>2_mul, float<mode><i2f>2_div,
	fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
	floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
	patterns for combine.

2009-12-03  Jakub Jelinek  <>

	PR middle-end/42049
	* builtins.c (expand_builtin_strcpy_args): Handle COMPOUND_EXPRs
	potentially returned from folding strcpy.

2009-12-02  Chao-ying Fu  <>

	Backport from mainline
	2009-11-30  Chao-ying Fu  <>

	* config/mips/ (mips_lhx_<mode>): Use sign_extend.

2009-12-02  Richard Earnshaw  <>

	* arm/ (thumb_andsi_not_shiftsi_si): Final condition should

2009-12-01  Jakub Jelinek  <>

	PR c++/42234
	* tree-cfgcleanup.c (cleanup_omp_return): Don't ICE if control_bb
	contains no statements.

2009-11-27  Andreas Krebbel  <>

	* config/s390/s390.c (last_scheduled_insn): New variable.
	(s390_fpload_toreg, s390_z10_prevent_earlyload_conflicts): New
	(s390_sched_reorder, s390_sched_variable_issue): New functions.

2009-11-27  Jakub Jelinek  <>

	* opts.c (decode_options): If optimize is bigger than 255,
	set it to 255.

2009-11-25  Jakub Jelinek  <>

	PR target/42165
	* config/i386/i386.c (print_operand): For 32-byte memory use
	YMMWORD in -masm=intel mode.  Use TBYTE instead of XWORD.
	* config/i386/ (crc32modesuffix): Expand to nothing
	in -masm=intel mode.
	(sse4_2_crc32di): Print just crc32 instead of crc32q in
	-masm=intel mode.
	* config/i386/ (*mmx_pinsrw): Print correct size of
	memory operand in -masm=intel mode.
	* config/i386/ (*avx_pinsr<ssevecsize>, *sse4_1_pinsrb,
	*sse2_pinsrw): Likewise.
	(sse_cvtss2siq, sse_cvtss2siq_2, sse_cvttss2siq): Don't print
	q suffix in -masm=intel mode.

2009-11-24  John David Anglin  <>

	* pa.c (output_call): Only use sr4 for long interspace calls if
	call binds local and generating non PIC code.
	(attr_length_call): Adjust length calculation for above.

2009-11-24  Wolfgang Gellerich  <>

	* config/s390/ Added agen condition to operand
	forwarding bypasses.
	Added bypass for early address generation use of int results.
	Updated comments.

2009-11-23  Uros Bizjak  <>

	PR target/42113
	* config/alpha/ (*cmp_sadd_si): Change mode
	of scratch register to SImode.
	(*cmp_sadd_sidi): Ditto.
	(*cmp_ssub_si): Ditto.
	(*cmp_ssub_sidi): Ditto.

2009-11-18  Matthias Klose  <>

	* config.gcc: Update ARM --with-fpu option list.

2009-11-17  Ulrich Weigand  <>

	* config/spu/spu.c (get_pic_reg): Use LAST_ARG_REGNUM as PIC
	registers in leaf functions if possible.

2009-11-14  Uros Bizjak  <>

	* config/i386/ (call_register_no_elim_operand):
	New predicate.  Reject stack register as valid call operand
	for 32bit targets.
	(call_insn_operand): Use call_register_no_elim_operand.

2009-11-13  Richard Henderson  <>

	* function.c (stack_protect_prologue): Don't bypass expand_expr
	for stack_protect_guard and guard_decl.
	(stack_protect_epilogue): Likewise.

2009-11-13  Uros Bizjak  <>

	PR target/41900
	(*call_pop_1, *call_1, *call_value_pop_1, *call_value_1): Use "lsm"
	as operand 1 constraint.
	* config/i386/ (call_insn_operand): Depend on
	index_register_operand to avoid %esp register.

2009-11-13  Uros Bizjak  <>

	2009-11-04  Uros Bizjak  <>

	PR target/41900
	* config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
	(TARGET_CALL_ESP): New define.
	* config/i386/i386.c (initial_ix86_tune_features): Initialize
	* config/i386/ (*call_pop_1_esp, *call_1_esp,
	*call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
	*call_1, *call_value_pop_1 and *call_value_1.  Depend on
	(*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
	New patterns, use "lsm" as operand 1 constraint.
	* config/i386/ (call_insn_operand): Depend on
	index_register_operand for !TARGET_CALL_ESP to avoid %esp register.

2009-11-13  Jakub Jelinek  <>

	PR middle-end/42029
	* gimplify.c (gimplify_omp_atomic): Set DECL_GIMPLE_REG_P on
	tmp_load if needed.

2009-11-11  Kai Tietz  <>

	Backported from trunk
	* config/i386/cygming.h (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
	* c-pragma.c (def_pragma_macro_value): Likewise.
	(def_pragma_macro): Likewise.
	(pushed_macro_table): Likewise.
	(HANDLE_PRAGMA_PUSH_POP_MACRO): Remove guarded code.
	* doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.

2009-11-10  Chao-ying Fu  <>

	Backport from mainline
	2009-10-29  Chao-ying Fu  <>

	* config/mips/mips.c (mips_emit_unary, mips_force_unary): New
	(mips_expand_synci_loop):  Use the length rtx to control the
	synci loop from the begin rtx that points to the first byte of
	the cache line.

2009-11-09  Jakub Jelinek  <>

	PR middle-end/40946
	Backport from mainline
	2009-09-09  Richard Guenther  <>

	PR middle-end/41317
	* tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
	code dealing with plain pointer bases.
	(maybe_fold_offset_to_reference): Likewise.
	(maybe_fold_stmt_addition): Adjust.

2009-11-08  Uros Bizjak  <>

	Backport from mainline:
	2009-11-06  Michael Matz  <>

	PR middle-end/41963
	* tree-ssa-math-opts.c (execute_cse_reciprocals): Check all uses
	of a potential reciprocal to really be reciprocals.

2009-11-07  Jakub Jelinek  <>

	PR tree-optimization/41643
	Backport from mainline
	2009-04-03  Richard Guenther  <>

	* tree-tailcall.c (tree_optimize_tail_calls_1): Also split the
	edge from the entry block if we have degenerate PHI nodes in
	the first basic block.

2009-11-05  Jakub Jelinek  <>

	* c-common.c (fold_offsetof_1): Revert the recently added
	-Warray-bounds checking of offsetof arguments.

2009-11-04  Jason Merrill  <>

	PR c++/36912
	* varasm.c (initializer_constant_valid_p): A PLUS_EXPR
	or MINUS_EXPR of REAL_TYPE is not a valid constant initializer.
	(output_constant): Avoid crash after error.

2009-11-04  Uros Bizjak  <>

	PR target/41900
	* config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
	(TARGET_CALL_ESP): New define.
	* config/i386/i386.c (initial_ix86_tune_features): Initialize
	* config/i386/ (*call_pop_1_esp, *call_1_esp,
	*call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
	*call_1, *call_value_pop_1 and *call_value_1.  Depend on
	(*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
	New patterns, use "lsm" as operand 1 constraint.
	* config/i386/ (call_insn_operand): Depend on
	index_register_operand for !TARGET_CALL_ESP to avoid %esp register.

2009-11-04  Jakub Jelinek  <>

	* c-common.c (fold_offsetof_1): Use %wd instead of

2009-11-03  Jakub Jelinek  <>

	PR rtl-optimization/41917
	* rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second
	operand isn't known to be 0, return 1.

2009-11-03  Dodji Seketeli  <>

	* c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC.

2009-11-03  Dodji Seketeli  <>

	PR c++/38699
	* c-common.c (fold_offsetof_1): Issue errors when the member
	designator of the offsetof expression is not legitimate.

2009-10-28  Jakub Jelinek  <>

	PR target/41762
	* config/i386/i386.c (ix86_pic_register_p): Don't call
	rtx_equal_for_cselib_p for VALUEs discarded as useless.

2009-10-27  Jakub Jelinek  <>

	PR c/41842
	* c-typeck.c (convert_arguments): Return -1 if any of the arguments is

2009-10-27  Kai Tietz  <>

	Backport from mainline:
	2009-10-20  Pascal Obry  <>
		    Eric Botcazou  <>

	* config/i386/cygming.h (DWARF_FRAME_REGNUM): Add enclosing parens.

2009-10-23  John David Anglin  <>

	Backport from mainline:
	2009-08-19  John David Anglin  <>

	* (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
	* pa.c (emit_move_sequence): Check if address of operand1 is valid
	for mode mode of operand0 when doing secondary reload for SAR.

2009-10-21  Jakub Jelinek  <>

	Backport from mainline:
	2009-06-13  Joerg Sonnenberger  <>

	* doc/invoke.texi: Add missing option -Wp,OPTION in list,
	fix index entry for -Xpreprocessor.

2009-10-20  John David Anglin  <>

	Backport from mainline:
	2009-10-15  John David Anglin  <>

	PR target/41702
	* (casesi): Use sign extended index in call to gen_casesi64p.
	(casesi64p): Update pattern to reflect above.

2009-10-20  Joseph Myers  <>

	* config/arm/arm.c (output_move_neon): Use DImode in call to

2009-10-19  Jakub Jelinek  <>

	* unwind-dw2.c (execute_stack_op): Fix operand order for
	DW_OP_le, DW_OP_ge, DW_OP_lt and DW_OP_gt.

2009-10-19  Andreas Krebbel  <>

	* config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.

2009-10-19  Andreas Krebbel  <>

	* config/s390/s390.c (s390_z10_optimize_cmp): Skip notes and debug
	insns when investigating previous or next insns.

2009-10-19  Jakub Jelinek  <>

	Backport from mainline:
	2009-10-16  Jakub Jelinek  <>

	PR debug/40521
	* debug.h (struct gcc_debug_hooks): Add assembly_start hook.
	* cgraphunit.c (cgraph_optimize): Call it.
	* dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into...
	(dwarf2out_assembly_start): ... here.  New hook.
	(dwarf2out_debug_hooks): Add dwarf2out_assembly_start.
	* debug.c (do_nothing_debug_hooks): Do nothing for assembly_start
	* dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
	* sdbout.c (sdb_debug_hooks): Likewise.
	* vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start.
	(vmsdbgout_assembly_start): New hook.

	2009-10-09  Jakub Jelinek  <>

	PR debug/40521
	* dwarf2out.c (dwarf2out_init): Test whether
	HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
	it is defined.

	2009-10-02  Jakub Jelinek  <>

	PR debug/40521
	* configure: Regenerated.
	* Regenerated.
	* dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
	!HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
	(dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
	not emitting .eh_frame, emit .cfi_sections .debug_frame

2009-10-15  John David Anglin  <>

	Backport from mainline
	2009-09-17  Michael Haubenwallner  <>

	PR target/40913
	* config/pa/t-hpux-shlib: Set soname in

	Backport from mainline
	2009-05-05  Ben Elliston  <>

	* config/pa/linux-atomic.c: Eliminate conditional include of
	errno.h on non-LP64 systems to simplify build requirements.

2009-10-15  Uros Bizjak  <>

	Backport from mainline:
	2009-10-07  Vladimir Makarov  <>

	PR middle-end/22072
	* ira-lives.c (check_and_make_def_conflict): Process all operands.

2009-10-15  H.J. Lu  <>

	Backport from mainline:
	2009-10-11  H.J. Lu  <>

	PR target/41665
	* config/i386/ (addsi_1_zext): Get the proper second
	operand for lea.

2009-10-15  Jakub Jelinek  <>

	* BASE-VER: Set to 4.4.3.
	* DEV-PHASE: Set to prerelease.

2009-10-15  Release Manager

	* GCC 4.4.2 released.

2009-10-14  Hans-Peter Nilsson  <>

	PR target/38948
	* config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
	requests between special registers.

2009-10-13  Andreas Krebbel  <>

	* config/s390/s390.c (s390_encode_section_info): Handle BLKmode

2009-10-12  Hans-Peter Nilsson  <>

	PR target/26515
	* config/cris/ (andu): Check that operand 1 is one of the
	general registers.  Fix typo in head comment.

2009-10-12  Jakub Jelinek  <>

	PR target/41680
	* config/i386/ (split after *testqi_ext_3_rex64): Only narrow
	paradoxical subregs to prevent partial register stalls if the inner
	mode is integer mode.

	PR rtl-optimization/41646
	* calls.c (expand_call): For BLKmode types returned in registers
	avoid likely spilled hard regs in copy_blkmode_from_reg generated

2009-10-09  Andreas Krebbel  <>

	* config/s390/ ("prefetch"): Remove stcmh for prefetching.

2009-10-07  Andreas Krebbel  <>

	* config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and

2009-10-05  Ramana Radhakrishnan  <>

	Backport from mainline.
	* config/arm/arm.c (arm_override_options): Really initialize
	flag_dwarf2_cfi_asm to 0.

2009-10-02  Ramana Radhakrishnan  <>

	Backport from mainline.
	2009-10-01  Ramana Radhakrishnan  <>
	* config/arm/arm.c (arm_override_options): Turn off
	flag_dwarf2_cfi_asm for AAPCS variants.

2009-09-30  Uros Bizjak  <>

	PR target/22093
	* config/alpha/ (unaligned_storehi_be): Force operand
	of plus RTX into register.

2009-09-30  Andreas Krebbel  <>

	* config/s390/fixdfdi.h: Add Runtime Library Exception wording to
	the License text.

2009-09-25  Jakub Jelinek  <>

	* tree-vect-transform.c (vectorizable_call): Call
	mark_symbols_for_renaming after vect_finish_stmt_generation.

2009-09-25  Alan Modra  <>

	* config/rs6000/ (load_toc_v4_PIC_3c): Correct POWER
	form of instruction.

2009-09-24  Kai Tietz  <>

	* libgcc2.c (L_trampoline): Prototype for getpagesize
	and mprotect in WINNT case.

2009-09-24  Alan Modra  <>

	PR target/40473
	* config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
	call final to emit non-scheduled prologue, instead insert at entry.

2009-09-23  Dodji Seketeli  <>

	PR debug/41065
	* function.h (types_used_by_vars_hash): Declare new hash table.
	(types_used_by_vars_eq, types_used_by_var_decl_insert): Declare
	equality and hash function for the hash table.
	(types_used_by_cur_var_decl): Declare a new global chained list.
	(types_used_by_var_decl_insert): Declare new function.
	* function.c (types_used_by_vars_hash): Define the hashtable ...
	(types_used_by_vars_eq, types_used_by_vars_do_hash): ... as well as
	its equality and hash functions.
	(hash_types_used_by_vars_entry): New hash helper.
	(types_used_by_cur_var_decl): Define the global chained list.
	(used_types_insert): Update the list of types used by the global
	variable being parsed.
	(types_used_by_var_decl_insert): Define new function.
	* c-common.h (record_types_used_by_current_var_decl): Declare ...
	* c-common.c (record_types_used_by_current_var_decl): ... new
	* c-decl.c (finish_decl): Record the types used by the global
	variable declaration we've just parsed.
	* dwarf2out.c (premark_used_types): Insert a new line between
	comment and function.
	(premark_used_types_helper): Fix comment.
	premark_types_used_by_global_vars): New functions.
	(prune_unused_types): Do not prune types used by global variables.

2009-09-23  Uros Bizjak  <>

	PR c/39779
	* c-typeck.c (build_binary_op) <short_shift>: Check that integer
	constant is more than zero.

2009-09-21  Richard Sandiford  <>

	* config/mips/mips.c (mips_override_options): Force
	flag_dwarf2_cfi_asm to zero.

2009-09-21  Kai Tietz  <>

	* config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
	xmm register restore.

2009-09-20  Kai Tietz  <>
	    Pascal Obry  <>

	Backport from mainline
	* unwind-dw2-fde.c (classify_object_over_fdes):
	Cast the constant 1 to _Unwind_Ptr.
	(add_fdes): Likewise.
	(linear_search_fdes): Likewise.

2009-09-18  Jason Merrill  <>

	* c.opt: Add -fno-deduce-init-list.

2009-09-18  Janis Johnson  <>

	PR c/41049
	* real.c decimal_from_integer, decimal_integer_string): New.
	(real_from_integer): Use them as special case for decimal float.
	* config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
	(_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
	Do not append zero after the decimal point in string to convert.

2009-09-16  Richard Guenther  <>

	Backport from mainline
	2009-09-09  Richard Guenther  <>

	PR tree-optimization/41101
	* tree-ssa-pre.c (maximal_set): Remove.
	(compute_antic_aux): Treat the maximal set as implicitly all ones.
	Defer all blocks we didn't visit at least one successor.
	(add_to_exp_gen): Do not add to the maximal set.
	(make_values_for_phi): Likewise.
	(compute_avail): Likewise.
	(init_pre): Do not allocate the maximal set.
	(execute_pre): Do not dump it.

2009-09-14  Uros Bizjak  <>

	* config/alpha/ (smaxsf3): Disable for IEEE mode.
	(sminsf3): Ditto.

2009-09-13  Kai Tietz  <>

	* config.gcc (i?86-*-mingw* and x86_64-*-mingw*): Set
	need_64bit_hwint for x64 case to yes.
	* Set for x64 mingw the option
	use_long_long_for_widest_fast_int to yes.

2009-09-12  Gerald Pfeifer  <>

	* doc/install.texi (avr): Remove obsolete reference site.

2009-09-12  Gerald Pfeifer  <>

	* doc/install.texi (Binaries): Adjust AIX link.

2009-09-11  Akim Demaille  <>

	* doc/invoke.texi (-fstrict-aliasing): Correct two examples.
	Use an imperative sentence.

2009-09-09  Kai Tietz  <>

	* config/i386.c (ix86_can_use_return_insn_p): Check for
	padding0, too.
	(ix86_expand_prologue): Take frame.padding0 into logic of
	to_allocate checks.
	(ix86_expand_epilogue): Likewise.

2009-09-07  Uros Bizjak  <>

	Backport from mainline:
	2009-08-27  Uros Bizjak  <>

	PR rtl-optimization/40861
	* simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
	extract word from a multi-word subreg for negative byte positions.

2009-09-04  Wolfgang Gellerich  <>

	* config/s390/ Removed two incorrect bypasses.
	(z10_fsimpdf): Fixed latency.
	(z10_fhex): New insn_reservation.
	(z10_floaddf): Fixed latency.
	(z10_floadsf): Fixed latency.
	(z10_ftrunctf): Fixed latency.
	(z10_ftruncdf): Fixed latency.
	* config/s390/s390.c (z10_cost): Fixed values.
	(s390_adjust_priority): Added z10 path.
	* config/s390/ (type): Added fhex.
	(*mov<mode>_64dfp): Updated type attribute.
	(*mov<mode>_64): Updated type attribute.
	(*mov<mode>_31): Updated type attribute.
	(*mov<mode>"): Likewise.
	* config/s390/ (x_fsimpdf): Updated condition.

2009-08-31  Chris Demetriou  <>

	* config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
	vectorize if not TARGET_SSE2.

2009-08-31  Gerald Pfeifer  <>

	* doc/install.texi (Final install): Adjust reference on where to
	order printed manuals.

2009-08-29  Kai Tietz<>

	* config/i386.c (ix86_expand_epilogue): Correct stack adjustment for

2009-08-28  Jan Beulich  <>

	* config/i386/netware.c: Include langhooks.h.
	(i386_nlm_encode_section_info): Simplify.
	(netware_override_options): Delete.
	* config/i386/netware.h (netware_override_options): Delete
	(OVERRIDE_OPTIONS): Delete definition.
	* config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.

2009-08-28  Uros Bizjak  <>

	Backport from mainline:
	2009-08-26  Uros Bizjak  <>

	* config/alpha/ Update comment about unpredictable LL/SC lock
	clearing by a taken branch.
	(sync_<fetchop_name><mode>): Split when epilogue_completed is set,
	effectively after bbro pass.
	(sync_nand<mode>): Ditto.
	(sync_old_<fetchop_name><mode>): Ditto.
	(sync_old_nand<mode>): Ditto.
	(sync_new_<fetchop_name><mode>): Dito.
	(sync_new_nand<mode>): Ditto.
	(sync_compare_and_swap<mode>_1): Ditto.
	(*sync_compare_and_swap<mode>): Ditto.
	(sync_lock_test_and_set<mode>_1): Ditto.
	("sync_lock_test_and_set<mode>): Ditto.

	2009-08-25  Uros Bizjak  <>

	* config/alpha/ (*cmpdf_ieee_ext[123]): Remove.
	(*cmpdf_internal): Enable for all ALPHA_FPTM levels.
	(*movdfcc_ext[1234]): Disable for IEEE mode.

	2009-08-16  Uros Bizjak  <>

	* config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
	from prev_active_insn.

2009-08-27  Gerald Pfeifer  <>

	* doc/service.texi (service directory): Update URL.

2009-08-26  Anatoly Sokolov  <>

	* doc/invoke.texi (AVR Options): Remove documentation of -minit-stack

2009-08-25  Anatoly Sokolov  <>

	PR target/34412
	* config/avr/avr.c (expand_epilogue): Use correct QI mode frame
	pointer for tiny stack.

2009-08-24  Richard Guenther  <>

	PR middle-end/41094
	* builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
	pow(x,y*z) only if x is nonnegative.

2009-08-23  Uros Bizjak  <>

	PR target/40718
	* config/i386/i386.c (*call_pop_1): Disable for sibling calls.
	(*call_value_pop_1): Ditto.
	(*sibcall_pop_1): New insn pattern.
	(*sibcall_value_pop_1): Ditto.

2009-08-20  Andreas Krebbel  <>

	* config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
	(s390_z10_fix_long_loop_prediction): New function.
	(s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
	(s390_reorg): Walk over the INSNs and invoke
	s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.

2009-08-19  Jakub Jelinek  <>

	PR middle-end/41123
	* expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
	of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.

2009-08-18  Jakub Jelinek  <>

	PR target/40971
	* config/rs6000/rs6000.c (rs6000_legitimize_address): For
	[DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.

2009-08-16  Uros Bizjak  <>

	Backport from mainline:
	2009-08-14  Uros Bizjak  <>

	PR target/41019
	* config/i386/ (SSEMODE124C8): New mode iterator.
	(vcond<SSEMODEF2P:mode>): Assert that operation is supported by
	(vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
	Assert that operation is supported by ix86_expand_int_vcond.
	(vcondu<SSEMODE124C8:mode>): Ditto.

2009-08-16  Dodji Seketeli  <>

	PR debug/37801
	* gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
	generating inlined subroutine die only. We shouldn't be
	called for anything else.
	(gen_block_die): Don't generate inline subroutine debug info for
	abstract blocks.

2009-08-13  Uros Bizjak  <>

	Backport from mainline:
	2009-08-11  Uros Bizjak  <>

	PR target/8603
	* config/alpha/ (addsi3): Remove expander.
	(addsi3): Rename from *addsi3_internal insn pattern.
	(subsi3): Remove expander.
	(subsi3): Rename from *subsi3_internal insn pattern.

2009-08-13  Andrey Belevantsev  <>

	PR rtl-optimization/41033
	* alias.c (nonoverlapping_component_refs_p): Punt when strict
	aliasing is disabled.

2009-08-11  SUGIOKA Toshinobu  <>

	Backport from mainline:
	2009-08-10  SUGIOKA Toshinobu  <>

	PR target/41015
	* longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
	(sub_ddmmss): Likewise.

2009-08-10  Andreas Tobler  <>

	PR bootstrap/41018
	* config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright

2009-08-09  Richard Guenther  <>

	PR tree-optimization/41016
	* tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
	(operand_precision): Remove.
	(integral_operand_p): Likewise.
	(recognize_single_bit_test): Adjust.

2009-08-05  Uros Bizjak  <>
	    Mikulas Patocka  <>

	PR target/40906
	* config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
	source operand.

2009-08-05  Richard Earnshaw  <>

	* (movdi2): Copy non-reg values to DImode registers.

2009-08-05  Jakub Jelinek  <>

	PR rtl-optimization/40924
	* dse.c (canon_address): Before calling cselib_expand_value_rtx
	make sure canon_rtx (mem_address) isn't simpler than
	canon_rtx (expanded_mem_address).

2009-08-03  Janis Johnson  <>

	PR c/39902
	* simplify-rtx.c (simplify_binary_operation_1): Disable
	simplifications for decimal float operations.

2009-08-03  Jakub Jelinek  <>

	PR middle-end/40943
	* tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
	operand of INDIRECT_REF.

2009-08-03  Uros Bizjak  <>

	* config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
	constants referencing TLS symbols.

2009-07-30  Andreas Krebbel  <>

	* config/s390/s390.c (override_options): Default
	max-unrolled-insns to 100 for z10 tuning.

2009-07-30  Andreas Krebbel  <>

	* config/s390/ (ZQ, ZR, ZS, ZT): New constraints.
	(U, W): Constraints are now deprecated and will be removed if we
	run out of letters.
	* config/s390/ (U, W): Replaced with ZQZR, ZSZT throughout
	the file.
	("prefetch"): Add the stcmh instruction for prefetching.
	* config/s390/s390.c (s390_symref_operand_p): Function moved. No
	(s390_short_displacement): Return always true if compiling for
	machines not providing the long displacement facility.
	(s390_mem_constraint): Support the new constraint letter Z.
	(s390_check_qrst_address): New function.

2009-07-30  Uros Bizjak  <>

	PR target/40577
	* config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
	to DImode when generating insq_le insn.

2009-07-20  John David Anglin  <>

	Backport from mainline:
	2009-07-20  John David Anglin  <>

	* pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
	Cast "1" to unsigned HOST_WIDE_INT.
	(compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
	deposit length to the maximum length - lsb.  Extend length if

2009-07-25  Mark Loeser  <>

	PR build/40010
	* (gcc.pod): Depend on gcc-vers.texi.

2009-07-23  Uros Bizjak  <>

	PR target/40832
	* config/i386/i386.c (output_387_ffreep): Rewrite to use
	ASM_SHORT instead of .word.
	* config/i386/ (*tls_global_dynamic_64): Use ASM_SHORT
	instead of .word in asm template.

2009-07-22  Kaz Kojima  <>

	Backport from mainline:
	2009-07-15  Eric Botcazou  <>

	PR rtl-optimization/40710
	* resource.c (mark_target_live_regs): Reset DF problem to LR.

2009-07-22  Richard Guenther  <>

	PR tree-optimization/40321
	* tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
	PHI nodes to the maximal set.
	(make_values_for_phi): Add PHI arguments to the maximal set.
	(execute_pre): Dump PHI_GEN and the maximal set.

2009-07-22  Jakub Jelinek  <>

	* BASE-VER: Set to 4.4.2.
	* DEV-PHASE: Set to prerelease.

2009-07-22  Release Manager

	* GCC 4.4.1 released.

2009-07-21  Jakub Jelinek  <>

	PR tree-optimization/40813
	* tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before

2009-07-21  Uros Bizjak  <>

	Backport from mainline:
	2009-04-29  Richard Guenther  <>

	PR target/39943
	* config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
	allow conversion to signed integers.

2009-07-20  Jakub Jelinek  <>

	PR tree-optimization/40792
	* tree.c (build_function_type_skip_args): Remove bogus assert.

2009-07-17  Jakub Jelinek  <>

	PR c++/40780
	* gimplify.c (gimplify_conversion): Don't change non-conversions into

2009-07-15  Jakub Jelinek  <>

	PR middle-end/40747
	* fold-const.c (fold_cond_expr_with_comparison): When folding
	< and <= to MIN, make sure the MIN uses the same type as the
	comparison's operands.

2009-07-12  Kai Tietz  <>

	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
	just for 32-bit case.

2009-07-11  Jakub Jelinek  <>

	PR rtl-optimization/40667
	* defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
	* doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
	* config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
	* config/i386/i386.c (ix86_minimum_alignment): New function.
	* config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
	* cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
	* emit-rtl.c (gen_reg_rtx): Likewise.
	* function.c (assign_parms): Likewise.  If nominal_type needs
	bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
	rather than passed_type's alignment.

	PR target/40668
	* function.c (assign_parm_setup_stack): Adjust
	MEM_OFFSET (data->stack_parm) if promoted_mode is different
	from nominal_mode on big endian.

2009-07-08  Richard Henderson  <>

	PR target/38900
	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
	(enum reg_class): Add CLOBBERED_REGS.
	* config/i386/i386.c (ix86_conditional_register_usage): Moved
	(ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
	(ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
	force 64-bit sibcalls into R11.
	* config/i386/ (U): New constraint.
	* config/i386/ (sibcall_1, sibcall_value_1): Use it.
	(sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
	(sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.

2009-07-07  Eric Botcazou  <>

	PR debug/40666
	* dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
	to variables for debugging purposes.

2009-07-07  Jakub Jelinek  <>

	PR middle-end/40669
	* tree-tailcall.c (adjust_return_value_with_ops,
	create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
	if it has complex or vector type.

	Backport from mainline:
	2009-06-03  Richard Guenther  <>

	PR middle-end/40328
	* fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.

2009-07-03  Vladimir Makarov  <>

	PR target/40587
	* ira.c (build_insn_chain): Use DF_LR_OUT instead of

2009-07-02  Richard Guenther  <>

	PR middle-end/40585
	* tree-cfg.c (gimple_can_duplicate_bb_p): Disallow duplicating
	basic blocks with GIMPLE_RESX.

2009-07-01  Martin Jambor  <>

	Backport from mainline:
	2009-05-11 Martin Jambor <>

	* ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.

2009-06-30  Jakub Jelinek  <>

	PR c++/40566
	* convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
	to type arguments that have void type.

2009-06-30  Ira Rosen  <>

	PR tree-optimization/40542
	* tree-vect-analyze.c (vect_determine_vectorization_factor): Don't
	vectorize volatile types.

2009-06-29  Janis Johnson  <>

	PR c/39902
	* tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
	Special-case decimal float constants.

2009-06-29  Uros Bizjak  <>

	* doc/extend.texi (Additional Floating Types): __float128 is also
	supported on i386 targets.

2009-06-29  Richard Guenther  <>

	PR tree-optimization/40579
	* tree-vrp.c (vrp_evaluate_conditional): Bail out early if
	the IL to simplify has constants that overflowed.

2009-06-28  Uros Bizjak  <>

	PR tree-optimization/40550
	* tree-vect-generic.c (expand_vector_operations_1): Compute in
	vector_compute_type only when the size of vector_compute_type is
	less than the size of type.

2009-06-27  Kai Tietz  <>

	Merged from trunk rev/148061
	2009-06-01  Jakub Jelinek  <>
	PR other/40024
	* emutls.c (__emutls_get_address): Change arr->size to mean number
	of allocated arr->data entries instead of # of slots + 1.

2009-06-22  Steven Bosscher  <>
	    Matthias Klose  <>

	PR objc/28050
	* c-parser.c (c_parser_objc_message_args): Return error_mark_node
	instead of NULL if a parser error occurs.

2009-06-18  H.J. Lu  <>

	Backport from mainline:
	2009-06-18  H.J. Lu  <>

	PR target/40470
	* config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.

2009-06-17  Richard Guenther  <>

	PR middle-end/40460
	* tree-chrec.h (build_polynomial_chrec): If we cannot determine
	if there is no evolution of left in the loop bail out.
	* tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one

2009-06-17  Richard Guenther  <>

	PR middle-end/40389
	* tree-ssa-operands.c (parse_ssa_operands): Add NRV results
	to the addresses taken bitmap.

2009-06-16  Jakub Jelinek  <>

	PR middle-end/40446
	* expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
	use gen_lowpart if op0 has complex mode.

2009-06-14  Andreas Krebbel  <>

	* config/s390/ ("bswap<mode>2"): Only available on z900.

2009-06-11  H.J. Lu  <>

	Backport from mainline:
	2009-06-10  H.J. Lu  <>

	* doc/extend.texi: Add description for __builtin_ia32_crc32di.

2009-06-05  Jakub Jelinek  <>

	PR middle-end/40340
	* tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
	inlined_function_outer_scope_p blocks for artificial inlines
	even at -g0/-g1.
	* tree.c (tree_nonartificial_location): Rewrite using

2009-06-03  Jakub Jelinek  <>

	* dwarf2out.c (output_cfi_directive): Pass 1 instead of
	0 to second argument of DWARF2_FRAME_REG_OUT macros.

2009-06-02  Kaz Kojima  <>

	Backport from mainline:
	2009-05-31  Kaz Kojima  <>

	* config/sh/ (ashldi3_std): New define_expand.
	(ashldi3): Use it.

2009-06-02  Jakub Jelinek  <>

	* dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
	force output of the label even for dwarf2out_do_cfi_asm.
	(add_fde_cfi): If -g2 and above and cfi might change CFA,
	force creation of CFI label and chain DW_CFA_set_loc jumping to it
	for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
	(dwarf2out_stack_adjust, dwarf2out_frame_debug): Adjust
	dwarf2out_cfi_label callers.
	* tree.h (dwarf2out_cfi_label): Adjust prototype.
	* config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
	Adjust dwarf2out_cfi_label callers.
	* config/vax/vax.c (vax_output_function_prologue): Likewise.

2009-05-29  Jakub Jelinek  <>

	PR middle-end/40291
	* builtins.c (expand_builtin_memcmp): Convert len to sizetype
	before expansion.

	PR target/40017
	* config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
	(altivec_categorize_keyword, init_vector_keywords,
	rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
	similar to bool.

2009-05-28  Alexandre Oliva  <>

	* tree-inline.c (remap_decls): Enable nonlocalized variables
	when not optimizing.

2009-05-28  Alexandre Oliva  <>

	* tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
	Simplify other tests involving optimize.

2009-05-27  H.J. Lu  <>

	Backport from mainline:
	2009-05-27  H.J. Lu  <>

	PR target/40266
	* config/i386/driver-i386.c (host_detect_local_cpu): Support

2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	PR bootstrap/40027
	* config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
	* config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.

2009-05-24  Kaz Kojima  <>

	* gcc/config/sh/sh.c (sh_set_return_address): Mark store of
	return address with a USE.

2009-05-23  Eric Botcazou  <>

	* doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
	Remove outdated reference to flow.c and fix nits.
	* doc/gccint.texi: Tweak RTL description.
	* doc/rtl.texi: Likewise.

2009-05-22  Zdenek Dvorak  <>

	PR tree-optimization/40087
	* tree-ssa-loop-niter.c (number_of_iterations_ne_max,
	number_of_iterations_ne): Rename never_infinite argument.
	(number_of_iterations_lt_to_ne, number_of_iterations_lt,
	number_of_iterations_le): Handle pointer-type ivs when
	exit_must_be_taken is false.
	(number_of_iterations_cond):  Do not always assume that
	exit_must_be_taken if the control variable is a pointer.

2009-05-22 Vladimir Makarov <>

	PR target/39856
	* reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
	for clobber.

2009-05-21  Kaz Kojima  <>

	PR rtl-optimization/40105
	Backport from mainline:

	2009-04-29  Eric Botcazou  <>
		    Steven Bosscher  <>

	* (cfgrtl.o): Add $(INSN_ATTR_H).
	* cfgrtl.c: Include insn-attr.h.
	(rest_of_pass_free_cfg): New function.
	(pass_free_cfg): Use rest_of_pass_free_cfg as execute function.

	2009-04-27  Richard Sandiford  <>
		    Eric Botcazou  <>

	* resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
	a label's basic block.
	(mark_target_live_regs): Tidy and rework obsolete comments.
	Change back DF problem to LIVE.  If a label starts a basic block,
	assume that all registers that used to be live then still are.
	(init_resource_info): If a label starts a basic block, set its
	BLOCK_FOR_INSN accordingly.
	(free_resource_info): Undo the setting of BLOCK_FOR_INSN.

2009-05-21  Jakub Jelinek  <>

	PR target/39942
	* config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
	.p2align 3 if MAX_SKIP is smaller than 7.
	* config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.

2009-05-20  Jakub Jelinek  <>

	PR middle-end/40204
	* fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
	recursion if build_int_cst_type returns the same INTEGER_CST as

2009-05-19  Richard Guenther  <>

	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
	not falsely claim to have propagated into all uses.

2009-05-18  Dodji Seketeli  <>

	PR debug/40109
	* dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
	child of the containing namespace's DIE.

2009-05-18  Richard Guenther  <>

	PR tree-optimization/39999
	* gimple.h (gimple_expr_type): Use the expression type looking
	through useless conversions.
	* tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
	(vn_nary_op_insert_stmt): Likewise.
	(simplify_binary_expression): Likewise.

2009-05-16  Richard Earnshaw  <>

	PR target/40153
	* (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name

2009-05-14  H.J. Lu  <>

	Backport from mainline:
	2009-05-14  H.J. Lu  <>

	PR middle-end/40147
	* ipa-utils.h (memory_identifier_string): Moved to ...
	* tree.h (memory_identifier_string): Here.  Add GTY(()).

2009-05-14  Ben Elliston <>

	Backport from mainline:
	2009-05-14  Jakub Jelinek  <>
		    Ben Elliston <>

	PR middle-end/40035
	* dse.c (check_mem_read_rtx): Guard against width == -1.

2009-05-13  Uros Bizjak  <>

	PR target/37179
	* config/i386/driver-i386.c (processor_signatures): New enum.
	(SIG_GEODE): Move from vendor_signatures to processor_signatures.
	(host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
	processor signature to detect geode processor.

2009-05-12  Jakub Jelinek  <>

	Backport from mainline:
	2009-05-05  Jakub Jelinek  <>

	PR middle-end/39666
	* gimplify.c (gimplify_switch_expr): If case labels cover the whole
	range of the type, but default label is missing, add it with one
	of the existing labels instead of adding a new label for it.

2009-05-11  H.J. Lu  <>

	Backport from mainline:
	2009-05-11  H.J. Lu  <>

	* tree-vect-analyze.c (vect_analyze_group_access): Use
	HOST_WIDE_INT for gap.

2009-05-11  Ira Rosen  <>

	PR tree-optimization/40074
	* tree-vect-analyze.c (vect_analyze_group_access): Take gaps into
	account in group size and step comparison.

2009-05-08  Richard Guenther  <>

	PR tree-optimization/40062
	* tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
	Avoid exponential behavior.

2009-05-07  Janis Johnson  <>

	PR middle-end/39986
	* dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
	decode_decimal64, encode_decimal128, decode_decimal128): Avoid
	32-bit memcpy into long.

2009-05-07  Jakub Jelinek  <>

	PR middle-end/40057
	* dojump.c (prefer_and_bit_test): Use immed_double_const instead of
	GEN_INT for 1 << bitnum.
	(do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of

2009-05-07  Uros Bizjak  <>

	* doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
	Remove wrong description of "nand" operation.

2009-05-06  H.J. Lu  <>

	Backport from mainline:
	2009-05-06  H.J. Lu  <>

	* config/i386/ (*avx_<code><mode>3_finite): Replace
	ssemodesuffixf2c with avxmodesuffixf2c.

2009-05-06  Richard Guenther  <>

	PR tree-optimization/40022
	* tree-ssa-phiprop.c (phivn_valid_p): Fix tuplification error.

2009-05-04  DJ Delorie  <>

	* config/m32c/m32c.c (m32c_override_options): Disable -fivopts for
	-mcpu=m32c until ivopts supports sizeof(ptr) != sizeof(size_t).
	(m32c_legitimize_reload_address): Work around reload bug until
	reload supports sizeof(ptr) != sizeof(size_t).

2009-05-03  Uros Bizjak  <>

	Backport from mainline:
	2009-04-28  Uros Bizjak  <>

	PR rtl-optimization/39914
	* ira-conflicts.c (ira_build_conflicts): Prohibit call used
	registers for allocnos created from user-defined variables only
	when not optimizing.

2009-04-29  Kaveh R. Ghazi  <>

	* toplev.c (print_version): Update GMP version string calculation.

2009-04-28  H.J. Lu  <>

	Backport from mainline:
	2009-04-27  H.J. Lu  <>

	PR target/39903
	* config/i386/i386.c (construct_container): Don't call
	gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,

2009-04-27  Jakub Jelinek  <>

	PR rtl-optimization/39794
	* alias.c (canon_true_dependence): Add x_addr argument.
	* rtl.h (canon_true_dependence): Adjust prototype.
	* cse.c (check_dependence): Adjust canon_true_dependence callers.
	* cselib.c (cselib_invalidate_mem): Likewise.
	* gcse.c (compute_transp): Likewise.
	* dse.c (scan_reads_nospill): Likewise.
	(record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
	addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
	canon_base_addr of the group, plus optional offset.
	(struct group_info): Rename canon_base_mem to
	(get_group_info): Set canon_base_addr to canon_rtx of base, not
	canon_rtx of base_mem.

2009-04-26  Jakub Jelinek  <>

	PR inline-asm/39543
	* fwprop.c (forward_propagate_asm): New function.
	(forward_propagate_and_simplify): Propagate also into __asm, if it
	doesn't increase the number of referenced registers.

	PR c/39889
	* stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.

2009-04-24  Andreas Krebbel  <>

	* config/s390/ ('I', 'J'): Fix condition.

2009-04-24  Paolo Bonzini  <>

	PR middle-end/39867
	* fold-const.c (fold_cond_expr_with_comparison): When folding
	> and >= to MAX, make sure the MAX uses the same type as the
	comparison's operands.

2009-04-23  Ulrich Weigand  <>

	* config/spu/spu-builtins.h: Delete file.

	* config/spu/spu.h (enum spu_builtin_type): Move here from
	(struct spu_builtin_description): Likewise.  Add GTY marker.
	Do not use enum spu_function_code or enum insn_code.
	(spu_builtins): Add extern declaration.

	* config/spu/spu.c: Do not include "spu-builtins.h".
	(enum spu_function_code, enum spu_builtin_type_index,
	V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
	V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
	unsigned_V8HI_type_node, unsigned_V4SI_type_node,
	unsigned_V2DI_type_node): Move here from spu-builtins.h.
	(spu_builtin_types): Make static.  Add GTY marker.
	(spu_builtins): Add extern declaration with GTY marker.
	Include "gt-spu.h".

	* config/spu/spu-c.c: Do not include "spu-builtins.h".
	(spu_resolve_overloaded_builtin): Do not use spu_function_code.
	Check programmatically whether all parameters are scalar.

	* config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.

2009-04-22  Jing Yu  <>

	PR testsuite/39781
	* config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.

2009-04-22  Eric Botcazou  <>

	Backport from mainline:
	2009-04-17  Eric Botcazou  <>
	* dbxout.c (dbxout_block): Reinstate test on TREE_USED.
	* tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.

2009-04-22  Jakub Jelinek  <>

	* alias.c (find_base_term): Move around LO_SUM case, so that
	CONST falls through into PLUS/MINUS handling.

	PR c/39855
	* fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
	into 0, use omit_one_operand.

2009-04-22  Vladimir Makarov  <>

	PR rtl-optimization/39762
	* ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
	ira_may_move_out_cost): Add comments about way of their usage.
	(ira_get_register_move_cost, ira_get_may_move_cost): New functions.

	* ira-conflicts.c (process_regs_for_copy): Use function
	ira_get_register_move_cost instead of global

	* ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
	color_pass, move_spill_restore, update_curr_costs): Ditto.

	* ira-lives.c (process_single_reg_class_operands): Ditto.

	* ira-emit.c (emit_move_list): Ditto.

	* ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
	(record_reg_classes): Ditto.  Use functions
	ira_get_register_move_cost and ira_get_may_move_cost instead of
	global vars ira_register_move_cost, ira_may_move_out_cost and
	(record_address_regs): Don't call ira_init_register_move_cost.
	Use function ira_get_may_move_cost instead of global
	(process_bb_node_for_hard_reg_moves): Use function
	ira_get_register_move_cost instead of global ira_register_move_cost.
	(ira_costs): Don't call ira_init_register_move_cost.

2009-04-22  Richard Guenther  <>

	PR tree-optimization/39824
	* tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
	make sure the types are compatible.

2009-04-21  Jakub Jelinek  <>

	* BASE-VER: Set to 4.4.1.
	* DEV-PHASE: Set to prerelease.

2009-04-21  Release Manager

	* GCC 4.4.0 released.

2009-04-20  Anatoly Sokolov  <>

	* config/avr/ (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
	whether operands 0 and 1 overlaps.

2009-04-20  Ira Rosen  <>

	PR tree-optimization/39675
	* tree-vect-transform.c (vect_transform_loop): Remove currently
	redundant check of the return code of vect_schedule_slp. Check that
	stmt_vec_info still exists for the statement, before checking its
	vectorization type.

2009-04-17  Aurelien Jarno  <>

	* config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
	for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.

2009-04-16  Kaz Kojima  <>

	Backport from mainline:
	PR target/39767
	* config/sh/ (arith_operand): Check if the operand
	of TRUNCATE is a REG.

2009-04-15  Richard Guenther  <>

	Backport from mainline:
	PR tree-optimization/39764
	* tree-ssa-ccp.c (get_value): Canonicalize value with

2009-04-14  H.J. Lu  <>

	Backport from mainline:
	2009-04-09  H.J. Lu  <>

	PR target/39678
	* config/i386/i386.c (classify_argument): Handle SCmode with
	(bit_offset % 64) != 0.

2009-04-14  Uros Bizjak  <>

	Backport from mainline:
	2009-04-12  Uros Bizjak  <>

	PR target/39740
	* config/alpha/ (local_symbolic_operand): Return 1 for
	offseted label references.

2009-04-11  Richard Guenther  <>

	PR tree-optimization/39713
	* tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
	reference trees have SSA_NAME operands.

2009-04-10  H.J. Lu  <>

	Backport from mainline:
	2009-04-10  H.J. Lu  <>

	* config/rs6000/darwin-vecsave.asm: Remove extra "*/".

2009-04-09  Nick Clifton  <>

	* unwind-compat.c: Change copyright header to refer to version
	3 of the GNU General Public License with version 3.1 of the
	GCC Runtime Library Exception and to point readers at the
	COPYING3 and COPYING3.RUNTIME files and the FSF's license web
	* config/alpha/crtfastmath.c: Likewise.
	* config/alpha/linux-unwind.h: Likewise.
	* config/alpha/qrnnd.asm: Likewise.
	* config/alpha/vms-crt0-64.c: Likewise.
	* config/alpha/vms-crt0.c: Likewise.
	* config/alpha/vms-dwarf2.asm: Likewise.
	* config/alpha/vms-dwarf2eh.asm: Likewise.
	* config/alpha/vms-psxcrt0-64.c: Likewise.
	* config/alpha/vms-psxcrt0.c: Likewise.
	* config/alpha/vms_tramp.asm: Likewise.
	* config/arc/initfini.c: Likewise.
	* config/arc/lib1funcs.asm: Likewise.
	* config/arm/bpabi-v6m.S: Likewise.
	* config/arm/bpabi.S: Likewise.
	* config/arm/bpabi.c: Likewise.
	* config/arm/crti.asm: Likewise.
	* config/arm/crtn.asm: Likewise.
	* config/arm/ieee754-df.S: Likewise.
	* config/arm/ieee754-sf.S: Likewise.
	* config/arm/lib1funcs.asm: Likewise.
	* config/arm/libunwind.S: Likewise.
	* config/arm/linux-atomic.c: Likewise.
	* config/arm/mmintrin.h: Likewise.
	* config/arm/pr-support.c: Likewise.
	* config/arm/unaligned-funcs.c: Likewise.
	* config/arm/unwind-arm.c: Likewise.
	* config/arm/unwind-arm.h: Likewise.
	* config/avr/libgcc.S: Likewise.
	* config/bfin/crti.s: Likewise.
	* config/bfin/crtlibid.s: Likewise.
	* config/bfin/crtn.s: Likewise.
	* config/bfin/lib1funcs.asm: Likewise.
	* config/bfin/linux-unwind.h: Likewise.
	* config/cris/arit.c: Likewise.
	* config/cris/cris_abi_symbol.c: Likewise.
	* config/darwin-64.c: Likewise.
	* config/darwin-crt2.c: Likewise.
	* config/darwin-crt3.c: Likewise.
	* config/darwin.h: Likewise.
	* config/dbxelf.h: Likewise.
	* config/dfp-bit.c: Likewise.
	* config/dfp-bit.h: Likewise.
	* config/elfos.h: Likewise.
	* config/fixed-bit.c: Likewise.
	* config/fixed-bit.h: Likewise.
	* config/fp-bit.c: Likewise.
	* config/fp-bit.h: Likewise.
	* config/fr30/crti.asm: Likewise.
	* config/fr30/crtn.asm: Likewise.
	* config/fr30/lib1funcs.asm: Likewise.
	* config/freebsd-spec.h: Likewise.
	* config/frv/cmovd.c: Likewise.
	* config/frv/cmovh.c: Likewise.
	* config/frv/cmovw.c: Likewise.
	* config/frv/frvbegin.c: Likewise.
	* config/frv/frvend.c: Likewise.
	* config/frv/lib1funcs.asm: Likewise.
	* config/h8300/clzhi2.c: Likewise.
	* config/h8300/crti.asm: Likewise.
	* config/h8300/crtn.asm: Likewise.
	* config/h8300/ctzhi2.c: Likewise.
	* config/h8300/fixunssfsi.c: Likewise.
	* config/h8300/lib1funcs.asm: Likewise.
	* config/h8300/parityhi2.c: Likewise.
	* config/h8300/popcounthi2.c: Likewise.
	* config/i386/ammintrin.h: Likewise.
	* config/i386/att.h: Likewise.
	* config/i386/avxintrin.h: Likewise.
	* config/i386/biarch64.h: Likewise.
	* config/i386/bmmintrin.h: Likewise.
	* config/i386/cpuid.h: Likewise.
	* config/i386/cross-stdarg.h: Likewise.
	* config/i386/crtfastmath.c: Likewise.
	* config/i386/crtprec.c: Likewise.
	* config/i386/cygming-crtbegin.c: Likewise.
	* config/i386/cygming-crtend.c: Likewise.
	* config/i386/cygwin.asm: Likewise.
	* config/i386/emmintrin.h: Likewise.
	* config/i386/gmm_malloc.h: Likewise.
	* config/i386/gthr-win32.c: Likewise.
	* config/i386/i386.h: Likewise.
	* config/i386/immintrin.h: Likewise.
	* config/i386/linux-unwind.h: Likewise.
	* config/i386/linux64.h: Likewise.
	* config/i386/mm3dnow.h: Likewise.
	* config/i386/mmintrin-common.h: Likewise.
	* config/i386/mmintrin.h: Likewise.
	* config/i386/nmmintrin.h: Likewise.
	* config/i386/pmm_malloc.h: Likewise.
	* config/i386/pmmintrin.h: Likewise.
	* config/i386/smmintrin.h: Likewise.
	* config/i386/sol2-c1.asm: Likewise.
	* config/i386/sol2-ci.asm: Likewise.
	* config/i386/sol2-cn.asm: Likewise.
	* config/i386/sol2-gc1.asm: Likewise.
	* config/i386/tmmintrin.h: Likewise.
	* config/i386/unix.h: Likewise.
	* config/i386/w32-unwind.h: Likewise.
	* config/i386/wmmintrin.h: Likewise.
	* config/i386/x86-64.h: Likewise.
	* config/i386/x86intrin.h: Likewise.
	* config/i386/xmmintrin.h: Likewise.
	* config/ia64/crtbegin.asm: Likewise.
	* config/ia64/crtend.asm: Likewise.
	* config/ia64/crtfastmath.c: Likewise.
	* config/ia64/crti.asm: Likewise.
	* config/ia64/crtn.asm: Likewise.
	* config/ia64/fde-glibc.c: Likewise.
	* config/ia64/lib1funcs.asm: Likewise.
	* config/ia64/linux-unwind.h: Likewise.
	* config/ia64/quadlib.c: Likewise.
	* config/ia64/unwind-ia64.c: Likewise.
	* config/linux.h: Likewise.
	* config/m32c/m32c-lib1.S: Likewise.
	* config/m32c/m32c-lib2.c: Likewise.
	* config/m32r/initfini.c: Likewise.
	* config/m68hc11/larith.asm: Likewise.
	* config/m68hc11/m68hc11-crt0.S: Likewise.
	* config/m68k/ Likewise.
	* config/m68k/crti.s: Likewise.
	* config/m68k/crtn.s: Likewise.
	* config/m68k/lb1sf68.asm: Likewise.
	* config/m68k/linux-unwind.h: Likewise.
	* config/mcore/crti.asm: Likewise.
	* config/mcore/crtn.asm: Likewise.
	* config/mcore/lib1.asm: Likewise.
	* config/mips/linux-unwind.h: Likewise.
	* config/mips/loongson.h: Likewise.
	* config/mips/mips16.S: Likewise.
	* config/mmix/crti.asm: Likewise.
	* config/mmix/crtn.asm: Likewise.
	* config/pa/fptr.c: Likewise.
	* config/pa/hpux-unwind.h: Likewise.
	* config/pa/lib2funcs.asm: Likewise.
	* config/pa/linux-atomic.c: Likewise.
	* config/pa/linux-unwind.h: Likewise.
	* config/pa/milli64.S: Likewise.
	* config/pa/quadlib.c: Likewise.
	* config/pa/stublib.c: Likewise.
	* config/picochip/libgccExtras/adddi3.asm: Likewise.
	* config/picochip/libgccExtras/ashlsi3.asm: Likewise.
	* config/picochip/libgccExtras/ashlsi3.c: Likewise.
	* config/picochip/libgccExtras/ashrsi3.asm: Likewise.
	* config/picochip/libgccExtras/ashrsi3.c: Likewise.
	* config/picochip/libgccExtras/cmpsi2.asm: Likewise.
	* config/picochip/libgccExtras/divmod15.asm: Likewise.
	* config/picochip/libgccExtras/divmodhi4.asm: Likewise.
	* config/picochip/libgccExtras/divmodsi4.asm: Likewise.
	* config/picochip/libgccExtras/longjmp.asm: Likewise.
	* config/picochip/libgccExtras/lshrsi3.asm: Likewise.
	* config/picochip/libgccExtras/lshrsi3.c: Likewise.
	* config/picochip/libgccExtras/parityhi2.asm: Likewise.
	* config/picochip/libgccExtras/popcounthi2.asm: Likewise.
	* config/picochip/libgccExtras/setjmp.asm: Likewise.
	* config/picochip/libgccExtras/subdi3.asm: Likewise.
	* config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
	* config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
	* config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
	* config/rs6000/750cl.h: Likewise.
	* config/rs6000/altivec.h: Likewise.
	* config/rs6000/biarch64.h: Likewise.
	* config/rs6000/crtresfpr.asm: Likewise.
	* config/rs6000/crtresgpr.asm: Likewise.
	* config/rs6000/crtresxfpr.asm: Likewise.
	* config/rs6000/crtresxgpr.asm: Likewise.
	* config/rs6000/crtsavfpr.asm: Likewise.
	* config/rs6000/crtsavgpr.asm: Likewise.
	* config/rs6000/darwin-asm.h: Likewise.
	* config/rs6000/darwin-fallback.c: Likewise.
	* config/rs6000/darwin-fpsave.asm: Likewise.
	* config/rs6000/darwin-ldouble.c: Likewise.
	* config/rs6000/darwin-tramp.asm: Likewise.
	* config/rs6000/darwin-unwind.h: Likewise.
	* config/rs6000/darwin-vecsave.asm: Likewise.
	* config/rs6000/darwin-world.asm: Likewise.
	* config/rs6000/e500crtres32gpr.asm: Likewise.
	* config/rs6000/e500crtres64gpr.asm: Likewise.
	* config/rs6000/e500crtres64gprctr.asm: Likewise.
	* config/rs6000/e500crtrest32gpr.asm: Likewise.
	* config/rs6000/e500crtrest64gpr.asm: Likewise.
	* config/rs6000/e500crtresx32gpr.asm: Likewise.
	* config/rs6000/e500crtresx64gpr.asm: Likewise.
	* config/rs6000/e500crtsav32gpr.asm: Likewise.
	* config/rs6000/e500crtsav64gpr.asm: Likewise.
	* config/rs6000/e500crtsav64gprctr.asm: Likewise.
	* config/rs6000/e500crtsavg32gpr.asm: Likewise.
	* config/rs6000/e500crtsavg64gpr.asm: Likewise.
	* config/rs6000/e500crtsavg64gprctr.asm: Likewise.
	* config/rs6000/eabi-ci.asm: Likewise.
	* config/rs6000/eabi-cn.asm: Likewise.
	* config/rs6000/eabi.asm: Likewise.
	* config/rs6000/linux-unwind.h: Likewise.
	* config/rs6000/linux64.h: Likewise.
	* config/rs6000/paired.h: Likewise.
	* config/rs6000/ Likewise.
	* config/rs6000/ppc64-fp.c: Likewise.
	* config/rs6000/ppu_intrinsics.h: Likewise.
	* config/rs6000/rs6000.h: Likewise.
	* config/rs6000/si2vmx.h: Likewise.
	* config/rs6000/sol-ci.asm: Likewise.
	* config/rs6000/sol-cn.asm: Likewise.
	* config/rs6000/spe.h: Likewise.
	* config/rs6000/spu2vmx.h: Likewise.
	* config/rs6000/sysv4.h: Likewise.
	* config/rs6000/tramp.asm: Likewise.
	* config/rs6000/vec_types.h: Likewise.
	* config/s390/linux-unwind.h: Likewise.
	* config/s390/tpf-unwind.h: Likewise.
	* config/score/crti.asm: Likewise.
	* config/score/crtn.asm: Likewise.
	* config/sh/crt1.asm: Likewise.
	* config/sh/crti.asm: Likewise.
	* config/sh/crtn.asm: Likewise.
	* config/sh/divtab-sh4-300.c: Likewise.
	* config/sh/divtab-sh4.c: Likewise.
	* config/sh/divtab.c: Likewise.
	* config/sh/lib1funcs-4-300.asm: Likewise.
	* config/sh/lib1funcs-Os-4-200.asm: Likewise.
	* config/sh/lib1funcs.asm: Likewise.
	* config/sh/lib1funcs.h: Likewise.
	* config/sh/linux-atomic.asm: Likewise.
	* config/sh/linux-unwind.h: Likewise.
	* config/sh/shmedia.h: Likewise.
	* config/sh/sshmedia.h: Likewise.
	* config/sh/ushmedia.h: Likewise.
	* config/sparc/crtfastmath.c: Likewise.
	* config/sparc/linux-unwind.h: Likewise.
	* config/sparc/sol2-c1.asm: Likewise.
	* config/sparc/sol2-ci.asm: Likewise.
	* config/sparc/sol2-cn.asm: Likewise.
	* config/spu/divmodti4.c: Likewise.
	* config/spu/divv2df3.c: Likewise.
	* config/spu/float_disf.c: Likewise.
	* config/spu/float_unsdidf.c: Likewise.
	* config/spu/float_unsdisf.c: Likewise.
	* config/spu/float_unssidf.c: Likewise.
	* config/spu/mfc_multi_tag_release.c: Likewise.
	* config/spu/mfc_multi_tag_reserve.c: Likewise.
	* config/spu/mfc_tag_release.c: Likewise.
	* config/spu/mfc_tag_reserve.c: Likewise.
	* config/spu/mfc_tag_table.c: Likewise.
	* config/spu/multi3.c: Likewise.
	* config/spu/spu_internals.h: Likewise.
	* config/spu/spu_intrinsics.h: Likewise.
	* config/spu/spu_mfcio.h: Likewise.
	* config/spu/vec_types.h: Likewise.
	* config/spu/vmx2spu.h: Likewise.
	* config/stormy16/stormy16-lib2.c: Likewise.
	* config/svr4.h: Likewise.
	* config/sync.c: Likewise.
	* config/v850/lib1funcs.asm: Likewise.
	* config/vxlib-tls.c: Likewise.
	* config/vxlib.c: Likewise.
	* config/vxworks-dummy.h: Likewise.
	* config/xtensa/crti.asm: Likewise.
	* config/xtensa/crtn.asm: Likewise.
	* config/xtensa/ieee754-df.S: Likewise.
	* config/xtensa/ieee754-sf.S: Likewise.
	* config/xtensa/lib1funcs.asm: Likewise.
	* config/xtensa/lib2funcs.S: Likewise.
	* config/xtensa/linux-unwind.h: Likewise.
	* config/xtensa/unwind-dw2-xtensa.c: Likewise.
	* config/xtensa/unwind-dw2-xtensa.h: Likewise.
	* coretypes.h: Likewise.
	* crtstuff.c: Likewise.
	* defaults.h: Likewise.
	* dwarf2.h: Likewise.
	* emutls.c: Likewise.
	* gbl-ctors.h: Likewise.
	* gcov-io.h: Likewise.
	* ginclude/float.h: Likewise.
	* ginclude/iso646.h: Likewise.
	* ginclude/stdarg.h: Likewise.
	* ginclude/stdbool.h: Likewise.
	* ginclude/stddef.h: Likewise.
	* ginclude/stdfix.h: Likewise.
	* ginclude/tgmath.h: Likewise.
	* gthr-aix.h: Likewise.
	* gthr-dce.h: Likewise.
	* gthr-gnat.c: Likewise.
	* gthr-gnat.h: Likewise.
	* gthr-lynx.h: Likewise.
	* gthr-mipssde.h: Likewise.
	* gthr-nks.h: Likewise.
	* gthr-posix.c: Likewise.
	* gthr-posix.h: Likewise.
	* gthr-posix95.h: Likewise.
	* gthr-rtems.h: Likewise.
	* gthr-single.h: Likewise.
	* gthr-solaris.h: Likewise.
	* gthr-tpf.h: Likewise.
	* gthr-vxworks.h: Likewise.
	* gthr-win32.h: Likewise.
	* gthr.h: Likewise.
	* libgcc2.c: Likewise.
	* libgcc2.h: Likewise.
	* libgcov.c: Likewise.
	* tsystem.h: Likewise.
	* typeclass.h: Likewise.
	* unwind-c.c: Likewise.
	* unwind-compat.h: Likewise.
	* unwind-dw2-fde-compat.c: Likewise.
	* unwind-dw2-fde-darwin.c: Likewise.
	* unwind-dw2-fde-glibc.c: Likewise.
	* unwind-dw2-fde.c: Likewise.
	* unwind-dw2-fde.h: Likewise.
	* unwind-dw2.c: Likewise.
	* unwind-dw2.h: Likewise.
	* unwind-generic.h: Likewise.
	* unwind-pe.h: Likewise.
	* unwind-sjlj.c: Likewise.
	* Likewise.
	* config/arm/ Change generated copyright header to
	refer to version 3 of the GNU General Public License with
	version 3.1 of the GCC Runtime Library Exception and to point
	readers at the COPYING3 and COPYING3.RUNTIME files and the
	FSF's license web page.
	* config/arm/arm_neon.h: Regenerate.

2009-04-09  Jakub Jelinek  <>

	* config/cris/ Change copyright header to refer to version
	3 of the GNU General Public License.
	* doc/install.texi2html: Change copyright header to refer to version
	3 of the GNU General Public License and to point readers at the
	COPYING3 file and the FSF's license web page.

2009-04-08  Jakub Jelinek  <>

	PR middle-end/39573
	* omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls

2009-04-08  David Ayers  <>

	PR objc/27377
	* c-typeck.c (build_conditional_expr): Emit ObjC warnings
	by calling objc_compare_types and surpress warnings about
	incompatible C pointers that are compatible ObjC pointers.

2009-04-07  Alan Modra  <>

	PR target/39634
	* config.gcc (powerpc-*-linux*): Include soft-fp/t-softfp after

2009-04-04  Richard Earnshaw  <>

	PR target/39501
	* (movsfcc): Disable if not TARGET_HARD_FLOAT.
	* testsuite/gcc.c-torture/execute/pr39501.c: New file.
	* testsuite/gcc.c-torture/execute/pr39501.x: New file.

2009-04-04  Jakub Jelinek  <>

	* unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
	* unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
	instead of REG_UNSAVED for DW_CFA_undefined.
	(uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
	(uw_update_context): If RA column is REG_UNDEFINED, mark it as
	outermost frame.

2009-04-02  Ira Rosen  <>

	PR tree-optimization/39595
	* tree-vect-analyze.c (vect_build_slp_tree): Check that the size of
	interleaved loads group is not greater than the SLP group size.

2009-04-01  Eric Botcazou  <>

	PR rtl-optimization/39588
	* combine.c (merge_outer_ops): Do not set the constant when this
	is not necessary.
	(simplify_shift_const_1): Do not modify it either in this case.

2009-04-01  Steven Bosscher  <>

	* config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
	tuning is deprecated if -mtune value is set to an Itanium1 variant.

2009-04-01  Jakub Jelinek  <>

	PR target/39226
	* config/rs6000/ (andsi3_internal5_nomc,
	anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
	(booldi3_internal3): Use boolean_or_operator instead of

	PR c/37772
	* c-parser.c (c_parser_asm_statement): Skip until close paren and
	return if c_parser_asm_string_literal returned NULL.

2009-04-01  Kai Tietz  <>
	    Andrey Galkin <>

	* config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
	Make object_name unique for each process.

2009-04-01  Anatoly Sokolov  <>

	* config/avr/avr.c (avr_override_options): Inform user that
	-mno-tablejump option is deprecated.
	* doc/invoke.texi (AVR Options): Update -mno-tablejump.

2009-04-01  Jakub Jelinek  <>

	PR other/39591
	* omp-low.c (remove_exit_barrier): Don't optimize if there are any
	addressable variables in the parallel that could go out of scope while
	running queued tasks.

2009-03-30  Sebastian Pop  <>

	* doc/invoke.texi (-floop-interchange, -floop-strip-mine,
	-floop-block): Document dependences on PPL, CLooG and Graphite.

2009-03-30  Jakub Jelinek  <>


	2009-03-27  H.J. Lu  <>
	* c-common.c (pointer_int_sum): Use %wd on return from

	2009-03-27  H.J. Lu  <>
	* c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
	on return from tree_low_cst.

	2009-03-27  Manuel Lopez-Ibanez  <>
	PR c++/35652
	* builtins.h (c_strlen): Do not warn here.
	* c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
	* c-common.c (pointer_int_sum): Take an explicit location.
	Warn about offsets out of bounds.
	* c-common.h (pointer_int_sum): Adjust declaration.

2009-03-29  H.J. Lu  <>

	Backport from mainline:
	2009-03-29  H.J. Lu  <>

	PR target/39545
	* config/i386/i386.c (classify_argument): Ignore flexible array
	member in struct and warn ABI change.

2009-03-29  Joseph Myers  <>

	* doc/invoke.texi, doc/standards.texi: Refer to

2009-03-28  Anatoly Sokolov  <>

	* config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
	atmega8m1 devices.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)

2009-03-28  Jakub Jelinek  <>

	* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
	following vector keyword has expansion starting with pixel or bool
	keyword, expand vector to __vector and pixel or bool to __pixel or

	PR c++/39554
	* opts.c (warning_disallowed_functions, warn_disallowed_functions,
	warn_if_disallowed_function_p): Removed.
	(common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
	* c-parser.c (c_parser_postfix_expression_after_primary): Don't call
	* flags.h (warn_if_disallowed_function_p,
	warn_disallowed_functions): Removed.
	* common.opt (Wdisallowed-function-list=): Removed.
	* doc/invoke.texi (-Wdisallowed-function-list=): Removed.

2009-03-27  Mark Mitchell  <>

	* DEV-PHASE: Mark "prerelease".

2009-03-27  Xinliang David Li  <>

	PR tree-optimization/39557
	* tree-ssa.c (warn_uninitialized_vars): free postdom info.

2009-03-27  Xinliang David Li  <>

	PR tree-optimization/39548
	* tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
	candidate check.

2009-03-27  H.J. Lu  <>

	* c-common.c (pointer_int_sum): Use %wd on return from

2009-03-27  H.J. Lu  <>

	* c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
	on return from tree_low_cst.

2009-03-27  Andrew Pinski  <>

	PR c++/36799
	* ginclude/stdarg.h (va_copy): Define also for

2009-03-27  Manuel Lopez-Ibanez  <>

	PR c++/35652
	* builtins.h (c_strlen): Do not warn here.
	* c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
	* c-common.c (pointer_int_sum): Take an explicit location.
	Warn about offsets out of bounds.
	* c-common.h (pointer_int_sum): Adjust declaration.

2009-03-26  Ralf Wildenhues  <>

	* doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
	markup glitch.

2009-03-26  Jakub Jelinek  <>

	PR c++/39554
	* opts.c (warn_if_disallowed_function_p): Don't assume
	get_callee_fndecl must return non-NULL.

2009-03-26  Vladimir Makarov  <>

	PR rtl-optimization/39522
	* reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
	when reg_reloaded_valid is set.

2009-03-26  Ulrich Weigand  <>

	* config/spu/divv2df3.c: New file.
	* config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
	(DPBIT_FUNCS): Filter out _div_df.

2009-03-26  Bernd Schmidt  <>

	* config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
	a jump insn, count that jump in the distance to the loop start.

2009-03-25  Kaz Kojima  <>

	PR target/39523
	* config/sh/sh.c (calc_live_regs): Fix condition for global
	registers except PIC_OFFSET_TABLE_REGNUM.

2009-03-25  Kai Tietz  <>

	* doc/invoke.texi (-mconsole): New.
	(-mcygwin): New.
	(-mno-cygwin): New.
	(-mdll): New.
	(-mnop-fun-dllimport): New.
	(-mthread): New.
	(-mwin32): New.
	(-mwindows): New.
	(sub section "i386 and x86-64 Windows Options"): New.

2009-03-25  Ralf Cors├ępius <>

	* config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
	* config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.

2009-03-25  Richard Guenther  <>

	PR middle-end/39497
	* (dfp.o-warn): Use -fno-strict-aliasing instead
	of -Wno-error.

2009-03-25  Andrey Belevantsev  <>

	* config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
	neither of haifa/selective schedulers are working.

2009-03-25  Ralf Wildenhues  <>

	* doc/invoke.texi (Debugging Options): Fix description of

2009-03-24  Hans-Peter Nilsson  <>

	* config/cris/libgcc.ver: New version-script.
	* config/cris/t-linux (SHLIB_MAPFILES): Use it.

	* <GAS features, nop mnemonic>: Add pattern
	crisv32-*-* for "nop".
	<GAS features, Thread-local storage>: Add item for CRIS and
	CRIS v32.
	* configure: Regenerate.

2009-03-24  Ira Rosen  <>

	PR tree-optimization/39529
	* tree-vect-transform.c (vect_create_data_ref_ptr): Call
	mark_sym_for_renaming for the tag copied to the new vector

2009-03-24  Arthur Loiret  <>

	* (alpha*-*-linux*): Use driver-alpha.o and
	* config/alpha/linux.h (host_detect_local_cpu): Declare, add to
	* config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
	* doc/invoke.texi (DEC Alpha Options): Document 'native' value for
	-march and -mtune options.

2009-03-24  Ralf Cors├ępius <>

	* config/m68k/t-rtems: Add m5329 multilib.

2009-03-24  Dodji Seketeli  <>
	    Jakub Jelinek  <>

	PR debug/39524
	* dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration

2009-03-23  Jakub Jelinek  <>

	PR c/39495
	* c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
	instead of c_parser_expression_conv, if original_code isn't one of the
	4 allowed comparison codes, fail.

2009-03-23  Richard Guenther  <>

	* cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
	* tree.h (struct tree_type): Likewise.
	* reload.h (struct insn_chain): Likewise.
	* dwarf2out.c (struct dw_loc_descr_struct): Likewise.
	* function.h (struct function): Likewise.
	* tree-ssa-structalias.c (struct equiv_class_label): Likewise.

2009-03-23  Jakub Jelinek  <>

	PR tree-optimization/39516
	* lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.

2009-03-23 Bingfeng Mei  <>

	* config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
	should be set true if BITS_PER_WORD of target is bigger than 32

2009-03-22  Hans-Peter Nilsson  <>

	* config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
	Translate -B-options to -rpath-link.  Correct existing
	rpath-link and conditionalize on !nostdlib.

2009-03-22  Ralf Wildenhues  <>

	* doc/extend.texi (Function Attributes, Variable Attributes):
	Fix typos.
	* doc/invoke.texi (Debugging Options, Optimize Options)
	(i386 and x86-64 Options, MCore Options): Likewise.

2009-03-20  Jakub Jelinek  <>

	PR debug/37890
	* dwarf2out.c (gen_namespace_die): Add context_die argument and use
	it for block local namespace aliases.
	(gen_decl_die): Pass context_die to gen_namespace_die.

2009-03-19  Jakub Jelinek  <>

	PR c/39495
	* c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
	minimum or maximum value.

2009-03-19  Alexandre Oliva  <>

	* reginfo.c (globalize_reg): Recompute derived reg sets.

2009-03-19  Ozkan Sezer <>

	PR target/39063
	* libgcc2.c (mprotect): Do not use signed arguments for
	VirtualProtect, use DWORD arguments.  Also fix the 'may
	be used uninitialized' warning for the np variable.

2009-03-19  Jakub Jelinek  <>

	PR target/39496
	* config/i386/i386.c (ix86_function_regparm): Don't optimize local
	functions using regparm calling conventions when not optimizing.
	(ix86_function_sseregparm): Similarly for sseregparm calling

2009-03-19  Li Feng  <>

	PR middle-end/39500
	* tree-data-ref.c (analyze_subscript_affine_affine): There is no
	dependence if the first conflict is after niter iterations.

2009-03-19  Hans-Peter Nilsson  <>

	PR middle-end/38609
	* config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
	functions with dynamic stack-pointer adjustments.

2009-03-19  Ben Elliston  <>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
	option; change to -msdata=data.

2009-03-18  Ralf Wildenhues  <>

	* c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
	and -fopenmp.

2009-03-18  Eric Botcazou  <>

	PR target/35180
	* config/sparc/ (do_builtin_setjmp_setup): Prettify asm output.

2009-03-18  Sandra Loosemore  <>

	* doc/invoke.texi (Code Gen Options): Expand discussion of

2009-03-18  Jakub Jelinek  <>

	* dse.c (struct group_info): Reorder fields for 64-bit hosts.
	* matrix-reorg.c (struct matrix_info): Likewise.
	* tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
	* rtl.h (struct mem_attrs): Likewise.
	* df.h (struct df): Likewise.
	* tree-data-ref.h (struct data_dependence_relation): Likewise.
	* ira-int.h (struct ira_allocno): Likewise.
	* df-scan.c (struct df_collection_rec): Likewise.
	* ira.c (struct equivalence): Likewise.
	* function.c (struct temp_slot): Likewise.
	* cfgloop.h (struct loop): Likewise.

	PR debug/39485
	* function.c (use_register_for_decl): When not optimizing, disregard
	register keyword for variables with types containing methods.

2009-03-18  Sebastian Pop  <>

	PR middle-end/39447
	* graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
	(is_simple_operand): Call contains_component_ref_p before calling data
	reference analysis that would fail on COMPONENT_REFs.

	* tree-vrp.c (search_for_addr_array): Fix formatting.

2009-03-18  Richard Guenther  <>

	* tree-vect-transform.c (vect_loop_versioning): Fold the
	generated comparisons.
	* tree-vectorizer.c (set_prologue_iterations): Likewise.
	(slpeel_tree_peel_loop_to_edge): Likewise.

2009-03-17  Ralf Wildenhues  <>

	PR middle-end/37805
	* opts.c (print_specific_help): In addition to `undocumented',
	accept `separate' and `joined' flags if passed alone.  Describe
	output by the first matched one of those.
	(common_handle_option): Skip over empty strings.
	* gcc.c (display_help): Fix help string for `--help='.
	* doc/invoke.texi (Option Summary, Overall Options): With
	`--help=', classes and qualifiers can both be repeated, but
	only the latter can be negated.  One should not pass only
	negated qualifiers.  Fix markup and examples.

	2008-10-14  Jakub Jelinek  <>
	PR middle-end/37805
	* opts.c (common_handle_option): Don't ICE on -fhelp=joined
	and -fhelp=separate.

2009-03-17  Jing Yu  <>

	PR middle-end/39378
	* function.h (struct rtl_data): Move is_thunk from here...
	(struct function): here.
	* cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
	* varasm.c (assemble_start_function): Change is_thunk from crtl to
	* config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
	(alpha_does_function_need_gp, alpha_start_function): Likewise.
	(alpha_output_function_end_prologue): Likewise.
	(alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
	* config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
	(rs6000_output_function_epilogue): Likewise.
	* config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.

2009-03-17  Uros Bizjak  <>

	PR target/39482
	* config/i386/ (*truncdfsf_mixed): Avoid combining registers
	from different units in a single alternative.
	(*truncdfsf_i387): Ditto.
	(*truncxfsf2_mixed): Ditto.
	(*truncxfdf2_mixed): Ditto.

2009-03-17  Jakub Jelinek  <>

	* dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow

	PR debug/39474
	* tree-ssa-live.c (remove_unused_locals): Don't remove local
	unused non-artificial variables when not optimizing.

	PR debug/39471
	* dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
	DW_TAG_imported_module even if decl is IMPORTED_DECL with

	PR middle-end/39443
	* optabs.c (set_user_assembler_libfunc): New function.
	* expr.h (set_user_assembler_libfunc): New prototype.
	* c-common.c: Include libfuncs.h.
	(set_builtin_user_assembler_name): Call set_user_assembler_libfunc
	for memcmp, memset, memcpy, memmove and abort.
	* (c-common.o): Depend on libfuncs.h.

	PR debug/39412
	* dwarf2out.c (gen_inlined_enumeration_type_die,
	gen_inlined_structure_type_die, gen_inlined_union_type_die,
	gen_tagged_type_instantiation_die): Removed.
	(gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
	do nothing.

2009-03-17  Janis Johnson  <>

	PR testsuite/38526
	* (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
	its use.
	(check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
	(check-parallel-%): Ditto.
	(check-consistency): Ditto.

2009-03-17  Kai Tietz  <>

	* ipa-struct-reorg.c (create_general_new_stmt): Initialize
	local variable rhs by NULL_TREE.

2009-03-17  H.J. Lu  <>

	PR target/39477
	* doc/extend.texi: Correct register behavior for regparm on Intel 386.

2009-03-17  H.J. Lu  <>

	PR target/39476
	* config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.

2009-03-17  H.J. Lu  <>

	PR target/39473
	* config/i386/i386.c (ix86_expand_call): Check extra clobbers
	for ms->sysv ABI calls only in 64bit mode.

	* config/i386/ (untyped_call): Support 32bit.

2009-03-16  H.J. Lu  <>

	* doc/extend.texi: Replace x86_65 with x86_64.

2009-03-16  Jakub Jelinek  <>

	PR tree-optimization/39455
	* tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
	mismatches for POINTER_TYPE_P (type).
	(number_of_iterations_le): Likewise.

2009-03-16  Hariharan Sandanagobalane <>

	* config/picochip/picochip.c: Removed profiling support.
	* config/picochip/ Removed profiling instruction.
	* config/picochip/picochip.h: Removed profiling builtin.

2009-03-16  Joseph Myers  <>

	* doc/install.texi (--with-host-libstdcxx): Document.

2009-03-14  Anatoly Sokolov  <>

	PR target/34299
	* config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
	generate a warning if the function name does not begin with
	"__vector" and the function has either the 'signal' or 'interrupt'
	attribute, from here to ...
	(avr_declare_function_name): New function.
	* config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
	* config/avr/avr-protos.h (avr_declare_function_name): Declare.

2009-03-14  Jakub Jelinek  <>

	PR bootstrap/39454
	* cse.c (fold_rtx): Don't modify original const_arg1 when
	canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
	separate variable instead.
	* rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
	from out of range shift counts.
	(num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.

2008-03-13  Catherine Moore  <>

	* gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
	diagnostic.h with $(DIAGNOSTIC_H).

2008-03-12  Jakub Jelinek  <>

	PR target/39431
	* config/i386/ (cmpxchg8b_pic_memory_operand): New
	* config/i386/ (sync_compare_and_swap<mode>,
	sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
	if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
	into a register.
	sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
	cmpxchg8b_pic_memory_operand instead of just memory_operand.

2009-03-12  H.J. Lu  <>

	PR target/39445
	* config/i386/i386.c (ix86_expand_push): Don't set memory alignment.

2009-03-12  H.J. Lu  <>

	PR target/39327
	* config/i386/ (avx_addsubv8sf3): Correct item bits.
	(avx_addsubv4df3): Likewise.
	(*avx_addsubv4sf3): Likewise.
	(sse3_addsubv4sf3): Likewise.

2009-03-12  H.J. Lu  <>

	PR target/38824
	* config/i386/ Compare REGNO on the new peephole2 patterns.

2009-03-12  Vladimir Makarov  <>

	PR debug/39432
	* ira-int.h (struct allocno): Fix comment for calls_crossed_num.
	* ira-conflicts.c (ira_build_conflicts): Prohibit call used
	registers for allocnos created from user-defined variables.

2009-03-11  Ulrich Weigand  <>

	PR target/39181
	* config/spu/spu.c (spu_expand_mov): Handle invalid subregs
	of non-integer mode as well.

2009-03-11  Adam Nemet  <>

	* gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
	for functions for which the parameter types are unknown.

2009-03-11  Jakub Jelinek  <>

	PR target/39137
	* cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
	* defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
	* config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
	* config/i386/i386.c (ix86_local_alignment): For
	-m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
	long long variables on the stack to avoid dynamic realignment.
	Allow the first argument to be a decl rather than type.
	* doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.

2009-03-11  Nick Clifton  <>

	PR target/5362
	* config/mcore/mcore.opt: Remove deprecated m4align and m8align
	Add description to mno-lsim option.
	* config/mcore/mcore.h: Remove comment about deprecated m4align
	(TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
	* doc/invoke.texi: Add description of mno-lsim and
	mstack-increment options.

	* config/fr30/fr30.opt: Document the -mno-lsim option.
	* doc/invoke.texi: Add descriptions of the FR30's -msmall-model
	and -mno-lsim options.

2009-03-11  Ulrich Weigand  <>

	* fold-const.c (fold_comparison): Only call fold_inf_compare
	if the mode supports infinities.

2009-03-11  Jason Merrill  <>

	PR debug/39086
	* tree-nrv.c (tree_nrv): Don't do this optimization if the front
	end already did.  Notice GIMPLE_CALL modifications of the result.
	Don't copy debug information from an ignored decl or a decl from
	another function.

2009-03-10  Richard Guenther  <>
	    Nathan Froyd  <>

	PR middle-end/37850
	* libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
	(__divMODE3): Likewise.

2009-03-09  Jakub Jelinek  <>

	PR tree-optimization/39394
	* gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
	DECL_SIZE_UNIT of variable length FIELD_DECLs.

2009-03-09  Andreas Krebbel  <>

	* recog.c (verfiy_changes): Disallow renaming of hard regs in
	inline asms for register asm ("") declarations.

2009-03-09  Eric Botcazou  <>

	* fold-const.c (fold_unary): Fix comment.

2009-03-07  Jan Hubicka  <>

	PR target/39361
	* tree-inline.c (setup_one_parameter): Do replacement of const
	argument by constant in SSA form.

2009-03-07  Ulrich Weigand  <>

	PR middle-end/38028
	* function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
	determine alignment passed to assign_stack_local.
	(assign_parms_unsplit_complex): Likewise.
	* except.c (sjlj_build_landing_pads): Likewise.

2009-03-06  Jakub Jelinek  <>

	PR middle-end/39360
	* tree-flow.h (add_referenced_var): Return bool instead of void.
	* tree-dfa.c (add_referenced_var): Return result of
	referenced_var_check_and_insert call.
	* tree-inline.c (expand_call_inline): Call add_referenced_var instead
	of referenced_var_check_and_insert.

	PR debug/39372
	* dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
	(gen_variable_die): Emit DW_AT_location on abstract static variable's
	DIE, don't emit it if abstract origin already has it.
	* tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
	BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.

2009-03-06  Jan-Benedict Glaw  <>

	* genpreds.c: (needs_variable): Fix parentheses at variable name
	(write_tm_constrs_h): Indent generated code.

2009-03-06  Ramana Radhakrishnan  <>

	* doc/extend.texi (Function Attributes): Add documentation
	for isr attributes.

2009-03-06  Jakub Jelinek  <>

	PR debug/39387
	* dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
	take locus from its DECL_SOURCE_LOCATION instead of input_location.

2009-03-05  Bernd Schmidt  <>

	* config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
	the loop as bad.

2009-03-05  Jakub Jelinek  <>

	PR debug/39379
	* tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
	with blocks containing IMPORTED_DECLs in BLOCK_VARS.

2009-03-05  Uros Bizjak  <>

	* config/i386/ (R8_REG, R9_REG): New constants.
	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
	constants instead of magic numbers.
	(QI_REG_P): Ditto.
	* config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
	(x86_64_ms_abi_int_parameter_registers): Ditto.
	(x86_64_int_return_registers): Ditto.
	(ix86_maybe_switch_abi): Ditto.
	(ix86_expand_call): Ditto for clobbered_registers array.
	(ix86_hard_regno_mode_ok): Ditto.
	(x86_extended_QIreg_mentioned_p): Ditto.

2009-03-05  J"orn Rennecke  <>

	PR tree-optimization/39349
	* cse.c (cse_insn): Fix loop to stop at VOIDmode.

	* combine.c (gen_lowpart_for_combine): Use omode when generating

2009-03-04  J"orn Rennecke  <>

	PR rtl-optimization/39235
	* loop-iv.c (get_simple_loop_desc): Use XCNEW.

2009-03-04  Zdenek Dvorak  <>

	* graphite.c (nb_reductions_in_loop): Update simple_iv arguments.

2009-03-04  Richard Guenther  <>

	PR tree-optimization/39362
	* tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
	that occur in abnormal PHIs should be varying.

2009-03-04  Zdenek Dvorak  <>

	* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
	Extend comments.
	(simple_iv):  Take loop as an argument instead of statement.
	* tree-scalar-evolution.h (simple_iv): Declaration changed.
	* tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
	to simple_iv.
	* tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
	* tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
	* matrix-reorg.c (analyze_transpose): Ditto.
	* tree-data-ref.c (dr_analyze_innermost): Ditto.
	* tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
	* tree-predcom.c (ref_at_iteration): Ditto.
	* tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.

2009-03-04  Richard Guenther  <>

	PR tree-optimization/39358
	* tree-ssa-structalias.c (do_sd_constraint): Fix check for
	escaped_id and callused_id.
	(solve_graph): Likewise.

2009-03-04  Richard Guenther  <>

	PR tree-optimization/39339
	* tree-sra.c (try_instantiate_multiple_fields): Make it
	no longer ICE on the above.

2009-03-03  Joseph Myers  <>

	* emit-rtl.c (adjust_address_1): Reduce offset to a signed value
	that fits within Pmode.

2009-03-03  Steve Ellcey  <>

	PR middle-end/10109
	* tm.texi (LIBCALL_VALUE): Update description.

2009-03-03  Steve Ellcey  <>

	PR middle-end/34443
	* doc/extend.texi (section): Update description.

2009-03-03  H.J. Lu  <>

	PR middle-end/39345
	* tree-inline.c (remapped_type): New.
	(can_be_nonlocal): Call remapped_type instead of remap_type.

2009-03-03  Jakub Jelinek  <>

	PR fortran/39354
	* gimplify.c (goa_stabilize_expr): Handle tcc_comparison,

2009-03-03  Richard Guenther  <>

	PR middle-end/39272
	* tree.c (tree_nonartificial_location): New function.
	* tree.h (tree_nonartificial_location): Declare.
	* builtins.c (expand_builtin_memory_chk): Provide location
	of the call location for artificial function pieces.
	(maybe_emit_chk_warning): Likewise.
	(maybe_emit_sprintf_chk_warning): Likewise.
	(maybe_emit_free_warning): Likewise.
	* expr.c (expand_expr_real_1): Likewise.

2009-03-03  Jakub Jelinek  <>

	PR tree-optimization/39343
	* tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if

2009-03-02  Sebastian Pop  <>

	PR middle-end/39335
	* tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
	when the type precision of the induction variable should be
	larger than the type precision of nit.
	(gen_parallel_loop): Update use of canonicalize_loop_ivs.
	* graphite.c (graphite_loop_normal_form): Same.
	* tree-flow.h (canonicalize_loop_ivs): Update declaration.

2009-03-02  Uros Bizjak  <>

	* config/i386/ (ST?_REG, MM?_REG): New constants.
	(*call_1_rex64_ms_sysv): Use named constants instead of magic
	numbers to describe clobbered registers.
	(*call_value_0_rex64_ms_sysv): Ditto.
	* config/i386/ (mmx_emms): Ditto.
	(mmx_femms): Ditto.

2009-03-02  Richard Sandiford  <>

	* config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
	of ABI_64.

2009-03-02  Ulrich Weigand  <>

	* config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
	(spu_section_type_flags): New function.

2009-03-02  Uros Bizjak  <>

	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
	reg_class_contents of FLOAT_REGS into a temporary.

2009-03-02  Richard Guenther  <>
	    Ira Rosen  <>

	PR tree-optimization/39318
	* tree-vect-transform.c (vectorizable_call): Transfer the EH region
	information to the vectorized statement.

2009-03-01  Uros Bizjak  <>

	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
	variable.  Use defined names instead of magic constants for REX SSE

2009-03-01  Richard Guenther  <>

	PR tree-optimization/39331
	* omp-low.c (lower_send_shared_vars): Do not receive new
	values for the reference of DECL_BY_REFERENCE parms or results.

2009-03-01  Jan Hubicka  <>

	PR debug/39267
	(tree_block): Add nonlocalized_vars.
	* dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
	gen_decl_die): Add origin argument.  Allow generation of die with
	origin at hand only.
	(gen_member_die, gen_type_die_with_usage, force_decl_die,
	declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
	of gen_*.
	(gen_block_die): Fix checking for unused blocks.
	(process_scope_var): Break out from .... ; work with origins only.
	(decls_for_scope) ... here; process nonlocalized list.
	(dwarf2out_ignore_block): Look for nonlocalized vars.
	* tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
	(dump_scope_block): Dump them.
	* tree-inline.c (remap_decls): Handle nonlocalized vars.
	(remap_block): Likewise.
	(can_be_nonlocal): New predicate.
	(copy_bind_expr, copy_gimple_bind): Update use of remap_block.

2009-03-01  Ralf Wildenhues  <>

	* configure: Regenerate.

2009-03-01  Ralf Wildenhues  <>

	* optc-gen.awk: No need to duplicate option flags twice.
	Reuse help texts for duplicate options which do not have any.

	* gcc.c (display_help): Document --version.

	* gcc.c (main): If print_help_list and verbose_flag, ensure
	driver output comes before subprocess output.

	* optc-gen.awk: Assign all remaining fields to help string,
	space-separated, for multi-line help in *.opt.

	* doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
	-Wno-pedantic-ms-format is for MinGW targets only.

	* doc/options.texi (Option file format): Fix bad indentation,
	restoring dropped sentence.

2009-02-28  Jan Hubicka  <>

	* tree-inline.c (tree_function_versioning): Output debug info.

2009-02-28  Jan Hubicka  <>

	PR debug/39267
	* tree-inline.c (setup_one_parameter): Do not copy propagate
	arguments when not optimizing.

2009-02-28  H.J. Lu  <>

	PR target/39327
	* config/i386/ (avx_addsubv8sf3): Correct item bits.
	(avx_addsubv4df3): Likewise.
	(*avx_addsubv4sf3): Likewise.
	(sse3_addsubv4sf3): Likewise.
	(*avx_addsubv2df3): Likewise.
	(sse3_addsubv2df3): Likewise.
	(avx_unpckhps256): Correct item selectors.
	(avx_unpcklps256): Likewise.
	(avx_unpckhpd256): Likewise.
	(avx_unpcklpd256): Likewise.

2009-02-28  Jan Hubicka  <>

	* tree-inline.c (expand_call_inline): Avoid duplicate declarations of
	static vars.
	(copy_arguments_for_versioning): If var is declared don't declare it.
	(tree_function_versioning): First setup substitutions and then copy

2009-02-27  Jan Hubicka  <>

	PR debug/39267
	* cgraph.h (varpool_output_debug_info): Remove.
	* cgraphunit.c (varpool_output_debug_info): Remove.
	* dwarf2out.c (deferred_locations_struct): New struct
	(deferred_locations): New type.
	(deferred_locations_list): New static var.
	(deffer_location): New function.
	(gen_variable_die): Use it.
	(decls_for_scope): Output info on local static vars.
	(dwarf2out_finish): Process deferred locations.
	* varpool.c (varpool_output_debug_info): Remove.

2009-02-27  Jan Hubicka  <>

	PR debug/39267
	* tree.h (TREE_PROTECTED): Fix comment.
	(struct tree_block): Remove handler_block add body_block.
	(inlined_function_outer_scope_p): New.
	(is_body_block): Remove.
	* dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
	* dwarf2out.c (is_inlined_entry_point): Remove.
	(add_high_low_attributes): Use inlined_function_outer_scope_p.
	(gen_block_die): Use is_inlined_entry_point check.  Remove body block
	* langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
	* gimplify.c (gimplify_expr): Gimplify body blocks.
	* tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
	block with multiple subblocks.
	(dump_scope_block): Prettier output; dump more flags and info.
	(dump_scope_blocks): New.
	(remove_unused_locals): Use dump_scope_blocks.
	* tree-flow.h (dump_scope_blocks): Declare.
	* tree-cfg.c (execute_build_cfg): Dump scope blocks.
	* stmt.c (is_body_block): Remove.
	* tree-inline.c (remap_block): Copy BODY_BLOCK info.
	* langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.

2009-02-27  Sebastian Pop  <>

	PR middle-end/39308
	* graphite.c (graphite_loop_normal_form): Do not call
	number_of_iterations_exit from a gcc_assert.

2009-02-27  Andreas Krebbel  <>

	* gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
	jumps if COND is NULL.
	(find_cond_jump): New function.
	(s390_z10_optimize_cmp): Handling for reg-reg compares added.
	* gcc/config/s390/ Remove z10_cobra attribute value.

2009-02-26  Uros Bizjak  <>

	* config/alpha/alpha.h (alpha_expand_mov): Return false if
	force_const_mem returns NULL_RTX.

2009-02-26  Jan Hubicka  <>

	PR debug/39267
	* cgraph.h (varpool_output_debug_info): Remove.
	* cgraphunit.c (varpool_output_debug_info): Remove.
	* dwarf2out.c (deferred_locations_struct): New struct
	(deferred_locations): New type.
	(deferred_locations_list): New static var.
	(deffer_location): New function.
	(gen_variable_die): Use it.
	(decls_for_scope): Output info on local static vars.
	(dwarf2out_finish): Process deferred locations.
	* varpool.c (varpool_output_debug_info): Remove.

2009-02-25  H.J. Lu  <>

	PR rtl-optimization/39241
	* jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
	to subreg_offset_representable_p.

2009-02-25  Paolo Bonzini  <>

	* regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
	execute function prototype.  Get f and nregs from max_reg_num
	and get_insns.  Remove the first backward pass as it's dead,
	guard the forward pass by flag_expensive_optimizations.
	(rest_of_handle_regmove): Delete.
	(pass_regmove): Replace it with regmove_optimize.

2009-02-25  Martin Jambor  <>

	PR tree-optimization/39259
	* tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
	calls_alloca function flags.
	(copy_bb): Set calls_setjmp and alls_alloca function flags if such
	calls are detected.

2009-02-25  Paolo Bonzini  <>

	* regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
	flags_set_1_rtx, flags_set_1_set): Delete.
	(regmove_optimize): Do not call mark_flags_life_zones.

2009-02-24  Julian Brown  <>

	PR target/35965
	* config/arm/arm.c (require_pic_register): Only set
	cfun->machine->pic_reg once per function.

2009-02-24  Sandra Loosemore  <>

	* doc/invoke.texi (Link Options): Document an easier way to pass
	options that take arguments to the GNU linker using -Xlinker and -Wl.

2009-02-24  Steve Ellcey  <>

	PR target/33785
	* doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.

2009-02-24  Richard Guenther  <>

	PR debug/39285
	* dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.

2009-02-24  Richard Guenther  <>
	    Zdenek Dvorak  <>

	PR tree-optimization/39233
	* tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
	from converting them to a generic type.

2009-02-23  Sebastian Pop  <>

	PR tree-optimization/39260
	* graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
	contains a condition with a real type.
	(build_scop_conditions_1): Conditions are always last_stmt of a bb.

2009-02-23  Jason Merrill  <>

	PR c++/38880
	* varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
	(narrowing_initializer_constant_valid_p): Don't return
	null_pointer_node for adding a pointer to itself.

2009-02-23  Jan Hubicka  <>

	PR c/12245
	* ggc.h (htab_create_ggc): Use ggc_free to free hashtable when

2009-02-23  Jan Hubicka  <>

	PR tree-optimization/37709
	* tree.c (block_ultimate_origin): Move here from dwarf2out.
	* tree.h (block_ultimate_origin): Declare.
	* dwarf2out.c (block_ultimate_origin): Move to tree.c
	* tree-ssa-live.c (remove_unused_scope_block_p):
	Eliminate blocks containig no instructions nor live variables nor
	nested blocks.
	(dump_scope_block): New function.
	(remove_unused_locals): Enable removal of dead blocks by default;
	enable dumping at TDF_DETAILS.

2009-02-21  H.J. Lu  <>

	* config/i386/i386.c (classify_argument): Don't allow COImode
	and OImode.
	(function_arg_advance_32): Don't allow OImode.
	(function_arg_32): Likewise.
	(function_value_32): Likewise.
	(return_in_memory_32): Likewise.
	(function_arg_64): Remove OImode comment.

2009-02-21  H.J. Lu  <>

	PR target/39261
	* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
	ix86_expand_vector_set for V4DImode in 64bit mode only.
	(ix86_expand_vector_init_one_var): Likewise.

2009-02-21  Sebastian Pop  <>

	* graphite.c (graphite_trans_loop_block): Adjust tile size to 51.

2009-02-21  Richard Sandiford  <>

	PR bootstrap/39257
	* loop-iv.c: Revert last change.
	* emit-rtl.c: Likewise.

2009-02-21  H.J. Lu  <>

	PR target/39256
	* config/i386/i386.c (type_natural_mode): Remove an extra
	space in the warning message.
	(function_value_32): Handle 32-byte vector modes.
	(return_in_memory_32): Likewise.

2009-02-21  Richard Sandiford  <>

	* loop-iv.c (truncate_value): New function.
	(iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
	of lowpart_subreg.
	(lowpart_subreg): Move to...
	* emit-rtl.c:

2009-02-21  Danny Smith  <>

	* config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
	accidental and undocumented change at revision 140860.

2009-02-21  Joseph Myers  <>

	* config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
	take gimple_seq * arguments.
	(arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
	types_compatible_p langhook.

2009-02-20  Mark Mitchell  <>
	    Joseph Myers  <>

	* config/arm/arm.c (arm_builtin_va_list): New function.
	(arm_expand_builtin_va_start): Likewise.
	(arm_gimplify_va_arg_expr): Likewise.
	(va_list_type): New variable.
	(arm_mangle_type): Mangle va_list_type appropriately.

2009-02-20  Jakub Jelinek  <>

	PR middle-end/39157
	* (loop-invariant.o): Depend on $(PARAMS_H).
	* params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
	* params.def (loop-invariant-max-bbs-in-loop): New parameter.
	* opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
	parameter to 1000 for -O1 by default.
	* doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
	* loop-invariant.c: Include params.h.
	(move_loop_invariants): Don't call move_single_loop_invariants on
	very large loops.

2009-02-20  Jaka Mocnik  <>

	* calls.c (emit_library_call_value_1): Use slot_offset instead of
	offset when calculating bounds for indexing stack_usage_map.  Fixes
	a buffer overflow with certain target setups.

2009-02-20  Jakub Jelinek  <>

	PR target/39240
	* calls.c (expand_call): Clear try_tail_call if caller and callee
	disagree in promotion of function return value.

2009-02-19  Jakub Jelinek  <>

	PR target/39175
	* c-common.c (c_determine_visibility): If visibility changed and
	DECL_RTL has been already set, call make_decl_rtl to update symbol

2009-02-19  H.J. Lu  <>

	PR c++/39188
	* varasm.c (assemble_variable): Don't check DECL_NAME when
	globalizing a variable.

2009-02-19  Joseph Myers  <>

	PR c/38483
	* builtins.c (gimplify_va_arg_expr): Evaluate the va_list
	expression before any __builtin_trap call.
	* c-typeck.c (build_function_call): Convert and check function
	arguments before generating a call to a trap.  Evaluate the
	function arguments before the trap.

2009-02-19  Uros Bizjak  <>

	PR target/39228
	* config/i386/ (isinfxf2): Split from isinf<mode>2.
	(UNSPEC_FXAM_MEM): New unspec.
	(fxam<mode>2_i387_with_temp): New insn and split pattern.
	(isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
	memory using fxam<mode>2_i387_with_temp to remove excess precision.

2009-02-19  Richard Guenther  <>

	PR tree-optimization/39207
	PR tree-optimization/39074
	* tree-ssa-structalias.c (storedanything_id, var_storedanything,
	storedanything_tree): New.
	(do_ds_constraint): Simplify ANYTHING shortcutting.  Update
	the STOREDANYTHING solution if the lhs solution contains ANYTHING.
	(build_succ_graph): Add edges from STOREDANYTHING to all
	non-direct nodes.
	(init_base_vars): Initialize STOREDANYTHING.
	(compute_points_to_sets): Free substitution info after
	building the succ graph.
	(ipa_pta_execute): Likewise.

	* tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
	(do_ds_constraint): Do not add to special var or non-pointer
	field solutions.
	(type_could_have_pointers): Split out from ...
	(could_have_pointers): ... here.  For arrays use the element type.
	(create_variable_info_for): Initialize may_have_pointers.
	(new_var_info): Likewise.
	(handle_lhs_call): Make the HEAP variable unknown-sized.
	(intra_create_variable_infos): Use a type with pointers for
	PARM_NOALIAS, make it unknown-sized.

2009-02-18  H.J. Lu  <>

	PR target/39224
	* config/i386/i386.c (ix86_return_in_memory): Properly check ABI.

2009-02-18  Jason Merrill  <>

	PR target/39179
	* tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
	value if DECL_EXTERNAL.
	* tree-sra.c (sra_walk_gimple_assign): Likewise.
	* target.h (gcc_target::binds_local_p): Clarify "module".
	* tree.h (TREE_PUBLIC): Clarify "module".

2009-02-17  Xuepeng Guo  <>

	PR target/38891
	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
	initialization for MS_ABI prior to the hunk of !TARGET_MMX.

2009-02-17  H.J. Lu  <>

	PR target/39082
	* c.opt (Wabi): Support C and ObjC.
	(Wpsabi): New.

	* c-opts.c (c_common_handle_option): Handle OPT_Wabi.

	* config/i386/i386.c (classify_argument): Warn once about the ABI
	change when passing union with long double.

	* doc/invoke.texi: Update -Wabi for warning psABI changes.

2009-02-18  Joseph Myers  <>

	PR c/35447
	* c-parser.c (c_parser_compound_statement): Always enter and leave
	a scope.

2009-02-17  John David Anglin  <>

	PR target/34587
	* config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.

2009-02-18  Jakub Jelinek  <>

	PR tree-optimization/36922
	* tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
	* tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):

2009-02-17  Richard Sandiford  <>

	* config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
	to 0 for EABI64.

2009-02-17  Richard Sandiford  <>

	* config/mips/ (type): Reclassify lui_movf as "unknown".

2009-02-17  Richard Sandiford  <>

	* config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
	tree sharing.

2009-02-17  Ruan Beihong  <>
	    Richard Sandiford  <>

	* config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
	* config/mips/ (reduc_uplus_<mode>): Rename to...
	(loongson_biadd): ...this.

2009-02-17  Richard Guenther  <>

	PR tree-optimization/39202
	* tree-ssa-structalias.c (do_structure_copy): Before collapsing
	a var make sure to follow existing collapses.

2009-02-17  Richard Guenther  <>

	PR middle-end/39214
	* langhooks.c (lhd_print_error_function): Check for NULL block.

2009-02-17  Richard Guenther  <>

	PR tree-optimization/39204
	* tree-ssa-pre.c (phi_translate_1): Lookup the value-number
	of the PHI arg.

2009-02-17  Uros Bizjak  <>

	* config/soft-fp/double.h: Update from glibc CVS.

2009-02-17  Richard Guenther  <>

	PR tree-optimization/39207
	* tree-ssa-structalias.c (find_what_p_points_to): Do not emit
	strict-aliasing warnings for pointers pointing to NULL.

2009-02-16  Joseph Myers  <>

	PR c/35446
	* c-parser.c (c_parser_braced_init): Call pop_init_level when
	skipping until next close brace.

2009-02-16  H.J. Lu  <>

	PR target/37049
	* config/i386/i386.c (ix86_expand_push): Set memory alignment
	to function argument boundary.

2009-02-16  Hariharan Sandanagobalane  <>

	* config/picochip/ (lea_add): Allow any nonimmediate
	in the lea_add. Reload eventually constraints it properly.
	* config/picochip/ : Remove the target constraint
	"b", since it is not needed anymore.

2009-02-16  Jakub Jelinek  <>

	* gthr-dce.h: Uglify function parameter and local variable names.
	* gthr-gnat.h: Likewise.
	* gthr-mipssde.h: Likewise.
	* gthr-nks.h: Likewise.
	* gthr-posix95.h: Likewise.
	* gthr-posix.h: Likewise.
	* gthr-rtems.h: Likewise.
	* gthr-single.h: Likewise.
	* gthr-solaris.h: Likewise.
	* gthr-tpf.h: Likewise.
	* gthr-vxworks.h: Likewise.
	* gthr-win32.h: Likewise.

2009-02-15  H.J. Lu  <>

	PR target/39196
	* config/i386/ Restrict the new peephole2 to move
	between MMX/SSE registers.

2009-02-15  Richard Guenther  <>

	2009-02-13  Richard Guenther  <>

	* Enable LFS.
	* configure: Re-generate.
	* Likewise.

2009-02-13  Ulrich Weigand  <>

	* config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
	spu_srqwbyte, spu_srqwbytebc): Define.
	* config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
	spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
	* config/spu/ ("shrqbybi_<mode>", "shrqbi_<mode>",
	"shrqby_<mode>"): New insn-and-split patterns.
	* config/spu/spu.c (expand_builtin_args): Determine and return
	number of operands using spu_builtin_description data.
	(spu_expand_builtin_1): Use it.

2009-02-13  Steve Ellcey  <>

	PR target/38056
	* config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check

2009-02-13  H.J. Lu  <>

	PR target/39149
	* config/i386/i386.c (override_options): Correct warning
	messages for -malign-loops, -malign-jumps and -malign-functions.

2009-02-13  H.J. Lu  <>

	PR target/39152
	* config/i386/ Restrict the new peephole2 to move
	between the general purpose registers.

2009-02-13  H.J. Lu  <>

	PR target/39162
	* config/i386/i386.c (type_natural_mode): Add a new argument.
	Return the original mode and warn ABI change if vector size is 32byte.
	(function_arg_advance): Updated.
	(function_arg): Likewise.
	(ix86_function_value): Likewise.
	(ix86_return_in_memory): Likewise.
	(ix86_sol10_return_in_memory): Likewise.
	(ix86_gimplify_va_arg): Likewise.
	(function_arg_32): Don't warn ABX ABI change here.
	(function_arg_64): Likewise.

2009-02-13  Bernd Schmidt  <>

	* loop-iv.c (implies_p): In the final case, test that operands 0
	of the two comparisons match.

	* config/bfin/bfin.c (find_prev_insn_start): New function.
	(bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
	(find_next_insn_start): Move.

2009-02-13  Richard Guenther  <>

	* Enable LFS.
	* configure: Re-generate.
	* Likewise.

2009-02-13  Joseph Myers  <>

	PR c/35444
	* c-parser.c (c_parser_parms_list_declarator): Discard pending
	sizes on syntax error after some arguments have been parsed.

2009-02-12  Jakub Jelinek  <>

	* doc/invoke.texi (-fira): Remove.

2009-02-12  H.J. Lu  <>

	* caller-save.c: Replace regclass.c with reginfo.c in comments.
	* recog.c: Likewise.
	* rtl.h: Likewise.

2009-02-12  Uros Bizjak  <>

	* longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
	(umul_ppmm): Likewise.
	(count_leading_zeros): Likewise.
	(count_trailing_zeros): Likewise.
	(UMUL_TIME): Likewise.

2009-02-12  H.J. Lu  <>

	* config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
	soft-fp/t-softfp to tmake_file.

	* config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
	(ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
	(ia64_init_builtins): Initialize __builtin_infq,
	__builtin_fabsq and __builtin_copysignq if not HPUX.
	(ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,

	* config/ia64/lib1funcs.asm (__divtf3): Define only if
	SHARED is defined.
	(__fixtfti): Likewise.
	(__fixunstfti): Likewise.
	(__floattitf): Likewise.

	* config/ia64/libgcc-glibc.ver: New.
	* config/ia64/t-fprules-softfp: Likewise.
	* config/ia64/sfp-machine.h: Likewise.

	* config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
	(LIBGCC2_TF_CEXT): Likewise.
	(TF_SIZE): Likewise.

	* config/ia64/t-glibc (SHLINB_MAPFILES):
	Add $(srcdir)/config/ia64/libgcc-glibc.ver.

2009-02-12  H.J. Lu  <>

	* config/i386/i386.c (construct_container): Rewrite processing
	BLKmode with X86_64_SSE_CLASS.

2009-02-12  Paolo Bonzini  <>

	PR target/39152
	* config/i386/ Replace simplify_replace_rtx with
	replace_rtx in the new peephole2.

2009-02-12  Nathan Sidwell  <>

	* doc/invoke.texi (Optimize Options): Stop claiming inlining and
	loop unrolling do not happen at -O2.

2009-02-12  Michael Matz  <>

	* gcc.c (ASM_DEBUG_SPEC): Check for -g0.

2009-02-12  Jakub Jelinek  <>

	* dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
	for -g3.

2009-02-12  Ben Elliston  <>

	* config/rs6000/ (allocate_stack): Use _stack form of
	patterns when updating the back chain.  Missed in the 2009-02-10

2009-02-11  Janis Johnson  <>

	* doc/extend.texi (Decimal Floating Types): Update identifier of
	draft TR and list of missing support.

2009-02-11  Jakub Jelinek  <>

	PR middle-end/39154
	* gimplify.c (omp_notice_variable): If adding GOVD_SEEN
	bit to variable length decl's flags, add it also to its
	pointer replacement variable.

2009-02-11  Uros Bizjak  <>
	    Jakub Jelinek  <>

	PR target/39118
	* config/i386/ (UNSPEC_MEMORY_BLOCKAGE): New constant.
	(memory_blockage): New expander.
	(*memory_blockage): New insn pattern.
	* config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
	instead of general blockage at the end of function prologue when
	frame pointer is used to access red zone area.  Do not emit blockage
	when profiling, it is emitted in generic code.
	(ix86_expand_epilogue): Emit memory_blockage at the beginning of
	function epilogue when frame pointer is used to access red zone area.

2009-02-11  Paolo Bonzini  <>

	PR target/38824
	* config/i386/ Add two new peephole2 to avoid mov followed
	by arithmetic with memory operands.
	* config/i386/ (commutative_operator): New.

2009-02-10  Janis Johnson  <>

	* doc/extend.texi (Fixed-Point Types): Break long paragraphs into
	bulleted lists.

2009-02-10  Eric Botcazou  <>

	* alias.h (record_alias_subset): Declare.
	* alias.c (record_alias_subset): Make global.

2009-02-10  Nick Clifton  <>

	* tree-parloops.c: Change license to GPLv3.
	* ipa-struct-reorg.c: Change license to GPLv3.
	* ipa-struct-reorg.h: Change license to GPLv3.

2009-02-10  Steve Ellcey  <>

	PR c/39084
	* c-decl.c (start_struct): Return NULL on error.

2009-02-10  Jakub Jelinek  <>

	PR middle-end/39124
	* cfgloopmanip.c (remove_path): Call remove_bbs after
	cancel_loop_tree, not before it.

	PR target/39139
	* function.h (struct function): Add has_local_explicit_reg_vars bit.
	* gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
	VAR_DECLs were seen.
	* tree-ssa-live.c (remove_unused_locals): Recompute
	* tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
	copies or clearings if cfun->has_local_explicit_reg_vars.

2009-02-10  Uros Bizjak  <>

	PR target/39118
	* config/i386/i386.c (expand_prologue): Emit blockage at the end
	of function prologue when frame pointer is used to access
	red zone area.

2009-02-10  Richard Guenther  <>

	PR middle-end/39127
	* gimplify.c (gimple_regimplify_operands): Always look if
	we need to create a temporary.

2009-02-10  Richard Guenther  <>

	PR tree-optimization/39132
	* tree-loop-distribution.c (todo): New global var.
	(generate_memset_zero): Trigger TODO_rebuild_alias.
	(tree_loop_distribution): Return todo.

2009-02-10  H.J. Lu  <>

	PR target/39119
	* config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
	(x86_64_reg_class_name): Removed.
	(classify_argument): Return 0 if bytes > 32.  Return 0 if the
	first one isn't X86_64_SSE_CLASS or any other ones aren't
	X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
	X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
	is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
	and 3 X86_64_SSEUP_CLASS.
	(construct_container): Remove X86_64_AVX_CLASS.  Handle 4
	registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.

2009-02-10  Ben Elliston  <>

	* config/rs6000/ (allocate_stack): Always use an update
	form instruction to update the stack back chain word, even if the
	user has disabled the generation of update instructions.
	(movdi_<mode>_update_stack): New.
	(movsi_update_stack): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
	always use an update form instruction to update the stack back
	chain word.

2009-02-09  Sebastian Pop  <>

	PR middle-end/38953
	* graphite.c (if_region_set_false_region): After moving a region in
	the false branch of a condition, remove the empty dummy basic block.
	(gloog): Remove wrong fix for PR38953.

2009-02-09  Ulrich Weigand  <>

	* config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
	generation due to implicit sign extension.

2009-02-09  Eric Botcazou  <>

	PR middle-end/38981
	* tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs

2009-02-09  Richard Guenther  <>

	PR middle-end/35202
	* convert.c (convert_to_real): Disable (float)fn((double)x)
	to fnf(x) conversion if errno differences may occur and
	-fmath-errno is set.

2009-02-07  Anatoly Sokolov  <>

	* config/avr/avr.c (avr_mcu_t): Add ata6289 device.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2009-02-06  Joseph Myers  <>

	PR c/35434
	* c-common.c (handle_alias_attribute): Disallow attribute for
	anything not a FUNCTION_DECL or VAR_DECL.

2009-02-06  Janis Johnson  <>

	PR c/39035
	* real.c (do_compare): Special-case compare of zero against
	decimal float value.

2009-02-06  Joseph Myers  <>

	PR c/36432
	* c-decl.c (grokdeclarator): Don't treat [] declarators in fields
	as indicating flexible array members unless the field itself is
	being declarared as the incomplete array.

2009-02-06  Jan Hubicka  <>

	PR tree-optimization/38844
	* ipa-inline.c (try_inline): Stop inlining recursion when edge
	is already inlined.

2009-02-06  Richard Guenther  <>

	PR middle-end/38977
	* tree-cfg.c (need_fake_edge_p): Force a fake edge for
	fork because we may expand it as __gcov_fork.

2009-02-06  Nick Clifton  <>

	* config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.

2009-02-06  Paolo Bonzini  <>

	PR tree-optimization/35659
	* tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
	vn_phi_eq): Shortcut if hashcode does not match.
	(vn_reference_op_compute_hash): Do not call iterative_hash_expr for
	NULL operands.
	* tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
	and avoid iterative_hash_expr.
	(value_id_compare): Remove.
	(sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
	sort expressions by value id.

2009-02-05  Kaz Kojima  <>

	PR target/38991
	* config/sh/ (general_movsrc_operand): Don't check
	the subreg of system registers here.

2009-02-05  Jakub Jelinek  <>

	PR c++/39106
	* cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
	on the copied decl.

2009-02-05  Paolo Bonzini  <>

	PR rtl-optimization/39110
	* rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
	addresses, not aligned ones.

2009-02-05  Daniel Berlin  <>
	    Richard Guenther  <>

	PR tree-optimization/39100
	* tree-ssa-structalias.c (do_ds_constraint): Actually do what the
	comment says and add edges.

2009-02-05  Joseph Myers  <>

	PR c/35435
	* c-common.c (handle_tls_model_attribute): Ignore attribute for
	non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.

2009-02-04  Tobias Grosser  <>

	* graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
	sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
	register_bb_in_sese, new_sese, free_sese): Moved.
	(dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
	outermost_loop_in_scop, build_scop_iteration_domain,
	expand_scalar_variables_ssa_name, get_vdef_before_scop,
	limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
	Use loop_in_sese_p instead of loop_in_scop_p.
	(new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
	(new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
	(scopdet_basic_block_info): Fix bug in scop detection.
	(new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
	eq_loop_to_cloog_loop): Remove.
	(nb_loops_around_loop_in_scop, nb_loop
	ref_nb_loops): Moved here...
	* graphite.h (ref_nb_loops): ... from here.
	(struct scop): Remove bbs_b bitmap and loop2cloog_loop.
	(loop_domain_dim, loop_iteration_vector_dim): Remove.
	(SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
	* testsuite/gcc.dg/graphite/scop-19.c: New

2009-02-04  Paolo Bonzini  <>
	    Hans-Peter Nilsson  <>

	PR rtl-optimization/37889
	* rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
	Move offset handling from PLUS to before the switch.  Use new
	arguments when considering SYMBOL_REFs too.
	(rtx_addr_can_trap_p): Pass dummy offset and size.
	(enum may_trap_p_flags): Remove.
	(may_trap_p_1): Pass size from MEM_SIZE.

	PR rtl-optimization/38921
	* loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
	* rtl.h (may_trap_after_code_motion_p): Delete prototype.
	* rtlanal.c (may_trap_after_code_motion_p): Delete.
	(may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.

2009-02-04  H.J. Lu  <>

	AVX Programming Reference (January, 2009)
	* config/i386/ (*vpclmulqdq): New.

2009-02-04  Jakub Jelinek  <>

	PR tree-optimization/38977
	PR gcov-profile/38292
	* calls.c (special_function_p): Disregard __builtin_ prefix.

2009-02-04  Hariharan Sandanagobalane  <>

	* config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
	non-indexable addresses even before reload.

2009-02-03  Joseph Myers  <>

	PR c/29129
	* c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
	as having variable size.  Do not give an error for unnamed
	parameters with [*] declarators.  Give a warning for type names
	with [*] declarators and mark them as variable size.
	* c-parser.c (c_parser_sizeof_expression): Do not give an error
	for sizeof applied to [*] type names.

2009-02-03  Andrew Pinski  <>

	PR C++/36607
	* convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.

2009-02-03  Jakub Jelinek  <>

	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.

2009-02-03  Joseph Myers  <>

	PR c/35433
	* c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
	for composite type involving a zero-length array type.

2009-02-03  Jakub Jelinek  <>

	PR target/35318
	* function.c (match_asm_constraints_1): Skip over
	initial optional % in the constraint.

	PR inline-asm/39059
	* c-parser.c (c_parser_postfix_expression): If fixed point is not
	supported, don't accept FIXED_CSTs.
	* c-decl.c (finish_declspecs): Error if fixed point is not supported
	and _Sat is used without _Fract/_Accum.  Set specs->type to
	integer_type_node for cts_fract/cts_accum if fixed point is not

2009-02-02  Catherine Moore  <>

	* sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.

2009-02-02  Richard Sandiford  <>

	* config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
	(DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.

2009-02-02  Paul Brook  <>

	* config/arm/ (arm_addsi3): Add r/r/k alternative.

2009-02-02  Jakub Jelinek  <>

	PR inline-asm/39058
	* recog.h (asm_operand_ok): Add constraints argument.
	* recog.c (asm_operand_ok): Likewise.  If it is set, for digits
	recurse on matching constraint.
	(check_asm_operands): Pass constraints as 3rd argument to
	asm_operand_ok.  Don't look up matching constraint here.
	* stmt.c (expand_asm_operands): Pass NULL as 3rd argument
	to asm_operand_ok.

2009-02-02  Ben Elliston  <>

	* doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and

2009-01-31  John David Anglin  <>

	* doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
	information.  Remove some obsolete information.  Reorganize.

	* config/pa/fptr.c: Revert license to GPL 2.
	* config/pa/milli64.S: Likewise.

2009-01-31  Dave Korn  <>

	PR target/38904
	* mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
	LIBRARY name in, instead of hard-coding it.
	* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
	extra target make frag to tmake_files according to EH model.
	(i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
	* config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
	frags that define makefile variable EH_MODEL appropriately.
	* config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
	* config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
	to "-sjlj" according to type of EH configured.
	(LIBGCC_SONAME):  Concatenate it to shared library base name.
	* config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
	to "_sjlj" according to type of EH configured.
	(LIBGCC_SONAME):  Concatenate it to shared library base name.
	* config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
	(SHLIB_LINK):  Add missing semicolon to if-else construct.
	(SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
	string value of "pe_dll" command-line option.
	* config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
	(SHLIB_SONAME):  Use it when overriding t-cygming default.
	(SHLIB_IMPLIB):  Override t-cygming default.
	(SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
	string value of "pe_dll" command-line option.

2009-01-31  Dave Korn  <>

	PR target/38952
	* config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
	(TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.

2009-01-31  Richard Guenther  <>

	PR tree-optimization/38937
	* tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
	computing the transitive closure.

2009-01-30  Richard Guenther  <>

	PR tree-optimization/39041
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
	Propagate variable indices only if the types match for this stmt.

2009-01-30  Jakub Jelinek  <>

	PR target/39013
	* c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
	inline but never defined.

2009-01-30  Wolfgang Gellerich  <>

	* config/s390/ (*insv<mode>_reg_extimm): Removed.
	(*insv_h_di_reg_extimm): New insn.
	(*insv_l<mode>_reg_extimm): New insn.

2009-01-30  Hariharan Sandanagobalane  <>

	* config/picochip/picochip.c (flag_conserve_stack): set
	fconserve-stack. Reduce call-overhead used by inliner.

2009-01-30  Hariharan Sandanagobalane  <>

	* common.opt (flag_conserve_stack): Initialised to zero.

2009-01-30  Kai Tietz  <>

	* config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
	(ix86_expand_epilogue): Take nsseregs in account to use proper restore

2009-01-29  H.J. Lu  <>

	* ira-color.c (allocno_reload_assign): Update comments.
	* regmove.c (regmove_optimize): Likewise.

	* ra.h: Removed.

2009-01-29  Robert Millan  <>

	* gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
	* gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
	* gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).

2009-01-29  Kazu Hirata  <>

	PR tree-optimization/39007
	* tree-loop-distribution.c (generate_builtin): Use
	recompute_dominator to compute the immediate dominator of the
	basic block just after the loop.

2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]

2009-01-29  Vladimir Makarov  <>

	* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
	* doc/passes.texi: Remove entries about regclass, local-alloc, and
	global.  Modify entries about regmove and IRA.

	* ra-conflict.c: Remove the file.

	* reload.c (push_reload, find_dummy_reload): Remove flag_ira.

	* tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
	(pass_regclass_init): Rename to pass_reginfo_init.

	* cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.

	* toplev.h (flag_ira): Remove.

	* caller-save.c (setup_save_areas): Remove flag_ira.

	* ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.

	* global.c: Remove the file.

	* opts.c: (decode_options): Remove flag_ira.

	* hard-reg-set.h (losing_caller_save_reg_set): Remove.

	* regmove.c: Modify file description.
	(find_use_as_address, try_auto_increment): Define them only if
	AUTO_INC_DEC is defined.
	(replacement_quality, replace_in_call_usage, fixup_match_1,
	stable_and_no_regs_but_for_p): Remove.
	(reg_set_in_bb): Make it static.
	(regmove_optimize): Remove flag_ira and code which worked for

	* local-alloc.c: Remove the file.

	* common.opt (fira): Remove.

	* ira.c: Include except.h.
	(eliminable_regset): Move from global.c.
	(mark_elimination): Ditto.  Remove flag_ira.
	(reg_renumber, struct equivalence, reg_equiv, equiv_mem,
	equiv_mem_modified, validate_equiv_mem_from_store,
	validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
	contains_replace_regs, memref_referenced_p, memref_used_between_p,
	no_equiv, recorded_label_ref): Move from local-alloc.c.
	(update_equiv_regs): Ditto.  Make it static.
	(print_insn_chain, print_insn_chains): Move it from global.c.
	(pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
	(build_insn_chain): Ditto.  Make it static.
	(ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
	Rename to init_live_subregs.
	(gate_ira): Remove flag_ira.

	* regclass.c: Rename reginfo.c.  Change file description.
	(reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
	(init_reg_sets_1): Remove code for evaluation of
	reg_class_superclasses and losing_caller_save_reg_set.
	(init_regs): Remove init_reg_autoinc.
	(struct costs, costs, init_cost, ok_for_index_p_nonstrict,
	ok_for_base_p_nonstrict): Remove.
	(regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
	(pass_regclass_init): Rename to pass_reginfo_init.  Modify
	corresponding entries.
	(dump_regclass, record_operand_costs, scan_one_insn,
	init_reg_autoinc, regclass, record_reg_classes, copy_cost,
	record_address_regs, auto_inc_dec_reg_p): Remove.
	(gt-regclass.h): Rename to gt-reginfo.h.

	* rtl.h (dump_global_regs, retry_global_alloc,
	build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.

	* (RA_H): Remove.
	(OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
	Rename regclass.o to reginfo.o.
	(regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
	(global.o, local-alloc.o, ra-conflict.o): Remove entries.
	(GTFILES): Rename regclass.c to	reginfo.c.

	* passes.c (init_optimization_passes): Remove pass_local_alloc and
	pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.

	* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
	count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
	Remove flag_ira.
	(finish_spills): Ditto.  Remove code for !flag_ira.

2009-01-29  Kenneth Zadeck  <>

	PR middle-end/35854
	* doc/invoke.texi (rtl debug options): Complete rewrite.
	* auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
	to auto_inc_dec".
	* mode-switching.c (pass_mode_switching): Rename pass from
	"mode-sw" to "mode_sw".
	* except.c (pass_convert_to_eh_ranges): Rename pass from
	"eh-ranges" to "eh_ranges".
	* lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
	to "subreg1".

2009-01-29  Andrey Belevantsev  <>
	    Alexander Monakov  <>

	PR middle-end/38857
	* sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
	(move_exprs_to_boundary): Change return type and pass through
	should_move from move_op.  Relax assert.  Update usage ...
	(schedule_expr_on_boundary): ... here.  Use should_move instead of
	(move_op_orig_expr_found): Indicate that insn was disconnected from
	(code_motion_process_successors): Do not call after_merge_succs
	callback if original expression was not found when traversing any of
	the branches.
	(code_motion_path_driver): Change return type.  Update prototype.
	(move_op): Update comment.  Add a new parameter (should_move).  Update
	prototype.  Set *should_move based on indication provided by

2009-01-28  Pat Haugen  <>

	* doc/invoke.texi (avoid-indexed-addresses): Document new option.
	* config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
	* config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
	* config/rs6000/rs6000.c (rs6000_override_options): Default
	avoid-indexed-addresses on for Power6, off for everything else.
	(avoiding_indexed_address_p): New function.
	(rs6000_legitimize_address): Use it.
	(rs6000_legitimate_address): Likewise.
	* config/rs6000/ (movXX_updateX): Likewise

2009-01-28  Kazu Hirata  <>

	PR tree-optimization/38997
	* tree-loop-distribution.c (generate_memset_zero): Use
	POINTER_PLUS_EXPR for a pointer addition.

2009-01-28  Andreas Krebbel  <>

	* config/s390/ (bswap<mode>2): New pattern added.

2009-01-28  Wolfgang Gellerich  <>

	* config/s390/ (*tls_load_31): Added type attribute.

2009-01-28  Wolfgang Gellerich  <>

	* config/s390/ Fix a few comments.

2009-01-28  Wolfgang Gellerich  <>

	* config/s390/ (*tmsi_reg): Fixed z10prop attribute.
	(*tm<mode>_full): Fixed z10prop attribute.
	(*tst<mode>_extimm): Fixed z10prop attribute.
	(*tst<mode>_cconly_extimm): Fixed z10prop attribute.
	(*tstqiCCT_cconly): Fixed z10prop attribute.
	(*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
	(*movsi_larl): Fixed z10prop attribute.
	(*movsi_zarch): Fixed z10prop attribute.
	(*movsi_eas): Fixed z10prop attribute.
	(*movhi): Fixed z10prop attribute.
	(*movqi): Fixed z10prop attribute.
	(*movstrictqi): Fixed z10prop attribute.
	(*mov<mode>): Fixed z10prop attribute.
	(*movcc): Fixed z10prop attribute.
	(*sethighpartdi_64): Fixed z10prop attribute.
	(*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
	(*negdi2_sign_cc): Fixed z10prop attribute.
	(*negdi2_sign): Fixed z10prop attribute.
	(*absdi2_sign_cc): Fixed z10prop attribute.
	(*absdi2_sign): Fixed z10prop attribute.
	(*negabsdi2_sign_cc): Fixed z10prop attribute.
	(*negabsdi2_sign): Fixed z10prop attribute.
	(*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
	(*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
	(doloop_si64): Fixed z10prop attribute.
	(doloop_si31): Fixed z10prop attribute.
	(doloop_long): Fixed z10prop attribute.
	(indirect_jump): Fixed z10prop attribute.
	(nop): Fixed z10prop attribute.
	(main_base_64): Fixed z10prop attribute.
	(reload_base_64): Fixed z10prop attribute.

2009-01-28  Jakub Jelinek  <>

	PR rtl-optimization/38740
	* reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
	if !optimize.
	* config/mips/mips.c (mips_reorg): Likewise.

2009-01-28  Richard Guenther  <>

	PR tree-optimization/38926
	* tree-ssa-pre.c (add_to_value): Assert we add only expressions
	with the correct value id to a value.
	(do_regular_insertion): Use the value number of edoubleprime
	for the value number of the expr.

	2008-08-21  Richard Guenther  <>

	* tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
	a PHI ask VN if it is already available.
	* tree-ssa-sccvn.h (vn_phi_lookup): Declare.
	* tree-ssa-sccvn.c (vn_phi_lookup): Export.

2009-01-28  Jakub Jelinek  <>

	PR middle-end/38934
	* tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
	set to varying whenever max has TREE_OVERFLOW set, similarly

2009-01-28  Richard Guenther  <>

	PR middle-end/38908
	* tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
	uninitialized aggregate uses in call arguments.

2009-01-28  Paolo Bonzini  <>

	PR tree-optimization/38984
	* tree-ssa-structalias.c (get_constraints_for_1): Do not use
	the nothing_id variable if -fno-delete-null-pointer-checks.

2009-01-28  Uros Bizjak  <>

	PR target/38988
	* config/i386/ (set_rip_rex64): Wrap operand 1 in label_ref.
	(set_got_offset_rex64): Ditto.

2009-01-27  H.J. Lu  <>

	PR target/38941
	* doc/extend.texi: Improve local variable with asm reg.

2009-01-27  Adam Nemet  <>

	* c.opt (Wpacked-bitfield-compat): Change init value to -1.
	* c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
	was not supplied then set warn_packed_bitfield_compat to the
	default value of 1.
	* stor-layout.c (place_field): Check warn_packed_bitfield_compat
	against 1.

2009-01-27  Richard Guenther  <>

	PR tree-optimization/38503
	* cfgexpand.c (expand_gimple_basic_block): Ignore
	* tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
	variables that cannot have TBAA applied.
	(compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE

2009-01-27  Uros Bizjak  <>

	PR middle-end/38969
	* calls.c (initialize_argument_information): Do not wrap complex
	arguments in SAVE_EXPR.

2009-01-26  Andreas Tobler  <>

	* config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
	(INSTALL_LIBGCC): Revert typo commit.

2009-01-26  Richard Guenther  <>

	PR tree-optimization/38745
	* tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
	from special handling.

2009-01-26  Richard Guenther  <>

	PR tree-optimization/38745
	* tree-ssa.c (execute_update_addresses_taken): Do not include
	variables that cannot possibly be a register in not_reg_needs.
	Do not clear TREE_ADDRESSABLE on vars that may not become
	* tree-ssa.c (update_alias_info_1): Include those in the set
	of addressable vars.

2009-01-26  Richard Guenther  <>

	PR middle-end/38851
	* (tree-ssa-dse.o): Add langhooks.h.
	* tree-ssa-dse.c: Include langhooks.h
	(execute_simple_dse): Remove stores with zero size.

2009-01-24  Jakub Jelinek  <>

	PR c/38957
	* c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way

2009-01-24  Julian Brown  <>

	* config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
	* config/arm/linux-atomic.c: New.

2009-01-24  Eric Botcazou  <>

	* config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
	* config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
	* config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.

2009-01-24  H.J. Lu  <>

	PR c/38938
	* c-opts.c (c_common_handle_option): Update warn_pointer_sign

2009-01-24  Sebastian Pop  <>

	PR tree-optimization/38953
	* graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
	(scop_adjust_phis_for_liveouts): Initialize false_i to zero.
	(gloog): Split the exit of the scop when the scop exit is a loop exit.
	(graphite_transform_loops): Only call cleanup_tree_cfg if gloog
	changed the CFG.

2009-01-24  Paul Brook  <>

	* config/arm/ (neon_type): Move to
	(neon_mov<VSTRUCT>): Add neon_type attribute.
	* config/arm/ (neon_type): Move to here.
	(conds): Add "unconditioal" and use as default for NEON insns.

2009-01-24  Ben Elliston  <>

	* bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
	void *' warning from -Wc++-compat.
	* (dominance.o-warn): Remove.

2009-01-23  Paolo Bonzini  <>

	PR tree-optimization/38932
	* fold-const.c (fold_unary_ignore_overflow): New.
	* tree.h (fold_unary_ignore_overflow): Declare.
	* tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
	* tree-ssa-sccvn.c (visit_reference_op_load,
	simplify_unary_expression): Likewise.

2009-01-22  Adam Nemet  <>

	* c-decl.c (finish_struct): Move code to set DECL_PACKED after
	DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
	regardless of their type.
	* c-common.c (handle_packed_attribute): Don't ignore packed on
	* c.opt (Wpacked-bitfield-compat): New warning option.
	* stor-layout.c (place_field): Warn if offset of a field changed.
	* doc/extend.texi (packed): Mention the ABI change.
	* doc/invoke.texi (-Wpacked-bitfield-compat): Document.
	(Warning Options): Add it to the list.

2009-01-22  H.J. Lu  <>

	* c-opts.c (c_common_post_options): Fix a typo in comments.

2009-01-22  Steve Ellcey  <>

	PR middle-end/38615
	* gimplify.c (gimplify_init_constructor): Fix promotion of const
	variables to static.
	* doc/invoke.texi (-fmerge-all-constants): Update description.

2009-01-22  Uros Bizjak  <>

	PR target/38931
	* config/i386/ (*movsi_1): Use type "mmx" for alternative 2.
	(*movdi_1_rex64): Use type "mmx" for alternative 5.

2009-01-22  Richard Earnshaw  <>

	* arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
	a word boundary.
	(LOCAL_ALIGNMENT): Similarly.

2009-01-22  Mark Shinwell  <>
	    Joseph Myers  <>

	* config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
	* config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
	* config/arm/ Regenerate.
	* doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and

2009-01-22  Mark Shinwell  <>

	* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
	version number to five.

2009-01-22  Dodji Seketeli  <>

	PR c++/38930
	* c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
	* c-common.c (set_underlying_type): Likewise.
	(is_typedef_decl ): Likewise
	* tree.h: Likewise
	(set_underlying_type): Likewise.
	(is_typedef_type): Likewise.

2009-01-21  Vladimir Makarov  <>

	PR middle-end/38587
	* ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
	crossing setjmps.

2009-01-21  Dave Korn  <>

	PR bootstrap/37660
	* config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
	(LIBGCC_SPEC):  Don't define.
	(REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.

2009-01-21  Uros Bizjak  <>

	PR rtl-optimization/38879
	* alias.c (base_alias_check): Unaligned access via AND address can
	alias all surrounding object types except those with sizes equal
	or wider than the size of unaligned access.

2009-01-21  Dodji Seketeli  <>

	PR c++/26693
	* c-decl.c: (clone_underlying_type): Move this ...
	* c-common.c (set_underlying_type): ... here.
	Also, make sure the function properly sets TYPE_STUB_DECL() on
	the newly created typedef variant type.
	(is_typedef_decl ): New entry point.
	* tree.h: Added a new member member_types_needing_access_check to
	struct tree_decl_non_common.
	(set_underlying_type): New entry point.
	(is_typedef_type): Likewise.

2009-01-21  Bingfeng Mei  <>

	* alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
	Check whether two instructions have memory references that
	belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
	are helper functions for traversing.
	* alias.h (insn_alias_sets_confilict_p): New prototypes.
	* ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
	not to draw dependency edge for instructions with non-conflicting
	alias sets.

2009-01-20  Joseph Myers  <>

	PR other/38758
	* longlong.h: Update copyright years.  Use soft-fp license notice.
	Sync __clz_tab declaration with glibc.

2009-01-20  Steve Ellcey  <>

	PR target/30687
	* doc/extend.texi (syscall_linkage): New.
	(version_id): Modify.

2009-01-20  Andrew Pinski  <>
	    Richard Guenther  <>

	PR tree-optimization/38747
	PR tree-optimization/38748
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
	conversion if the base address is an indirect reference and the
	aliasing sets could cause issues.

2009-01-20  Sebastian Pop  <>

	* common.opt (fgraphite, fgraphite-identity): Add comment for
	explaining why these options are not documented.

2009-01-20  Sebastian Pop  <>

	* graphite.c (stmt_simple_for_scop_p): Also handle cases when
	gimple_call_lhs is NULL.

2009-01-20  Paolo Bonzini  <>

	PR target/38868
	* emit-rtl.c (adjust_address_1): Make sure memref is never

2009-01-20  Ben Elliston  <>

	* libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
	const qualifier from arg parameter. Remove unnecessary cast to char *.
	* gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
	const qualifier from arg 2.

2009-01-19  Iain Sandoe  <>

	* config/darwin.h: Add static-libgfortran to LINK_SPEC.

2009-01-19  Vladimir Makarov  <>

	PR c/38869
	* rtl.h (reinit_regs): New prototype.
	* regclass.c: Include ira.h.
	(reinit_regs): New.
	* (regclass.o): Add ira.h.
	* config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.

2009-01-18  H.J. Lu  <>

	PR target/38736
	* c-common.c (handle_aligned_attribute): Use
	default alignment value.

	* c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.

	* defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
	* config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.

	* doc/extend.texi: Update __attribute__ ((aligned)).  Document

	* doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.

2009-01-18  Richard Guenther  <>

	PR tree-optimization/38819
	* tree-flow.h (operation_could_trap_helper_p): Declare.
	* tree-eh.c (operation_could_trap_helper_p): Export.
	* tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
	* tree-ssa-sccvn.c (vn_nary_may_trap): New function.
	* tree-ssa-pre.c (insert_into_preds_of_block): Check if we
	are about to insert a possibly trapping instruction and fail
	in this case.

2009-01-18  Andreas Schwab  <>

	* doc/install.texi (Configuration): Remove obsolete paragraph
	about use of --with-gnu-ld with --with-gnu-as.

2009-01-18  Kazu Hirata  <>

	* doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
	doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
	Follow spelling conventions.

2009-01-18  Ben Elliston  <>

	* bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
	C++ warning about implicit conversion from void * to struct
	bitmap_head_def *.
	(bitmap_obstack_free): Likewise for bitmap_element *.
	* (bitmap.o-warn): Remove.

2009-01-17  Dave Korn  <>

	* (BACKENDLIBS):  Reorder to match dependencies.

2009-01-17  Sebastian Pop  <>
	    Tobias Grosser  <>

	* graphite.c (graphite_trans_scop_block): Do not block single
	nested loops.

2009-01-16  Alexandre Oliva  <>

	* ebitmap.h (ebitmap_iter_init): Initialize all fields.
	* ipa-struct-reorg.c (gen_struct_type): Replace known-true
	test with assertion.

2009-01-16  Richard Guenther  <>

	PR tree-optimization/38835
	PR middle-end/36227
	* fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
	and INT + PTR -> (INT)(PTR p+ INT) folding.
	* tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.

2009-01-16  Adam Nemet  <>

	PR target/38554
	* expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
	the subreg from a lowpart subreg if it is also casting the value.

2009-01-16  Sebastian Pop  <>
	    Tobias Grosser  <>

	* graphite.c (compare_prefix_loops): New.
	(build_scop_canonical_schedules): Rewritten.
	(graphite_transform_loops): Move build_scop_canonical_schedules
	after build_scop_iteration_domain.

2009-01-16  Sebastian Pop  <>
	    Tobias Grosser  <>

	* graphite.c (add_conditions_to_domain): Add the loops to
	the dimension of the iteration domain.  Do copy the domain
	only when it exists.
	(build_scop_conditions_1): Do not call add_conditions_to_domain.
	(add_conditions_to_constraints): New.
	(can_generate_code_stmt, can_generate_code): Removed.
	(gloog): Do not call can_generate_code.
	(graphite_transform_loops): Call add_conditions_to_constraints
	after building the iteration domain.

2009-01-16  Jakub Jelinek  <>

	PR tree-optimization/38789
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Ignore calls to

2009-01-16  Kenneth Zadeck  <>

	* dce.c (delete_unmarked_insns): Reversed the order that insns are
	examined before deleting them.

2009-01-16  Richard Earnshaw  <>

	* function.c (aggregate_value_p): Correctly extract the function
	type from CALL_EXPR_FN lookup.

2009-01-16  Hariharan Sandanagobalane  <>

	* config/picochip/picochip.c (picochip_override_options): Revert
	CFI asm flag disable commited previously.

2009-01-15  Sebastian Pop  <>
	    Tobias Grosser  <>
	    Jan Sjodin  <>

	* graphite.c (scan_tree_for_params): On substractions negate
	all the coefficients of the term.
	(clast_to_gcc_expression_red): New.  Handle reduction expressions
	of more than two operands.
	(clast_to_gcc_expression): Call clast_to_gcc_expression_red.
	(get_vdef_before_scop): Handle also the case of default definitions.

2009-01-15  Richard Sandiford  <>

	* caller-save.c (add_used_regs_1, add_used_regs): New functions.
	(insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
	Also use them when walking CALL_INSN_FUNCTION_USAGE.

2009-01-15  H.J. Lu  <>
	    Joey Ye  <>

	PR middle-end/37843
	* cfgexpand.c (expand_stack_alignment): Don't update stack
	boundary nor check incoming stack boundary here.
	(gimple_expand_cfg): Update stack boundary and check incoming
	stack boundary here.

2009-01-15  Kenneth Zadeck  <>

	* dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.

2009-01-14  Jakub Jelinek  <>

	PR rtl-optimization/38245
	* calls.c (expand_call): Add stack arguments to
	CALL_INSN_FUNCTION_USAGE even for pure calls (when
	ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
	in regs and partially in memory or BLKmode arguments.
	(emit_library_call_value_1): Add stack arguments to
	CALL_INSN_FUNCTION_USAGE even for pure calls (when
	* dce.c: Include tm_p.h.
	(find_call_stack_args): New function.
	(deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
	(mark_insn): Call find_call_stack_args for CALL_Ps.
	(prescan_insns_for_dce): Walk insns backwards in bb rather than
	forwards.  Allocate and free arg_stores bitmap if needed, pass it
	down to deletable_insn_p, don't mark stores set in arg_stores
	bitmap, clear the bitmap at the beginning of each bb.
	* (dce.o): Depend on $(TM_P_H).

2009-01-14  Michael Meissner  <>

	PR target/22599
	* config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
	to make sure the insn is a conditional test (bug 22599).  Reformat a
	few long lines.

2009-01-14  Sebastian Pop  <>

	PR middle-end/38431
	* graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
	(scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
	(gloog): Do not call cleanup_tree_cfg.
	(graphite_transform_loops): Call cleanup_tree_cfg after all
	scops have been code generated.

2009-01-14  Basile Starynkevitch  <>
	* doc/gty.texi (Invoking the garbage collector): Added new node
	and section documenting ggc_collect.

2009-01-14  Richard Guenther  <>

	PR tree-optimization/38826
	PR middle-end/38477
	* tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
	initialization notes only if we actually emitted a warning.
	(intra_create_variable_infos): Add constraints for a result decl
	that is passed by hidden reference.
	(build_pred_graph): Mark all related variables non-direct on

2009-01-14  Nick Clifton  <>

	* ira-conflicts.c: Include addresses.h for the definition of
	(ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
	* Add a dependency of ira-conflicts.o on addresses.h.

2009-01-13  Vladimir Makarov  <>

	PR target/38811
	* (ira-lives.o): Add except.h.

	* ira-lives.c: Include except.h.
	(process_bb_node_lives): Process can_throw_internal.

2009-01-13  Jakub Jelinek  <>

	PR rtl-optimization/38774
	* combine.c (simplify_set): When undoing cc_use change, don't do
	PUT_CODE on the newly created comparison, but instead put back the
	old comparison.

2009-01-13  Joseph Myers  <>

	* doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
	values.  Remove duplicate arm8 entry.

2009-01-13  Sebastian Pop  <>

	PR tree-optimization/38786
	* graphite.c (expand_scalar_variables_ssa_name): New, outlined from
	the SSA_NAME case of expand_scalar_variables_expr.
	Set the type of an expression to the type of its assign	statement.
	(expand_scalar_variables_expr): Also gather the scalar computation
	used to index the memory access.  Do not pass loop_p.
	Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
	(expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
	the gimple_stmt_iterator where it inserts new code.
	Do not pass loop_p.
	(copy_bb_and_scalar_dependences): Do not pass loop_p.
	(translate_clast): Update call to copy_bb_and_scalar_dependences.

2009-01-13  Sebastian Pop  <>

	* graphite.h (debug_value): Removed.
	* graphite.c (debug_value): Removed.

2009-01-13  Richard Earnshaw  <>

	* config/arm/arm.c (output_move_double): Don't synthesize thumb-2
	ldrd/strd with two 32-bit instructions.

2009-01-13  Richard Earnshaw  <>

	* config/arm/arm.c (struct processors): Pass for speed down into
	cost helper functions.
	(const_ok_for_op): Handle COMPARE and inequality nodes.
	(arm_rtx_costs_1): Rewrite.
	(arm_size_rtx_costs): Update prototype.
	(arm_rtx_costs): Pass speed down to helper functions.
	(arm_slowmul_rtx_costs): Rework cost calculations.
	(arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
	(arm_9e_rtx_costs): Likewise.

2009-01-13  Uros Bizjak  <>

	* config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
	relocations of local symbols wider than UNITS_PER_WORD are not valid.
	(alpha_legitimize_address): Do not split local symbols wider than

2009-01-13  Danny Smith  <>

	PR bootstrap/38580
	* gcc.c (process_command): Replace call to execvp with calls
	to pex_one and exit.

2009-01-03  Anatoly Sokolov  <>

	PR target/29141
	* config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
	* config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
	variant for devices with 3-byte PC.
	(__tablejump_elpm__) : New.

2009-01-12  Jakub Jelinek  <>

	PR c/32041
	* c-parser.c (c_parser_postfix_expression): Allow `->' in
	offsetof member-designator, handle it as `[0].'.

2009-01-12  John David Anglin  <>

	* pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
	function when not using named sections on targets with named sections
	if branch distance is less than 262132.

2009-01-12  Richard Earnshaw  <>

	* combine.c (combine_instructions):  Recompute
	optimize_this_for_speed_p  for each BB in the main combine loop.

2009-01-12  Tomas Bily  <>

	PR middlend/38385
	* tree-loop-distribution.c (prop_phis): New function.
	(generate_builtin): Call prop_phis.
	* testsuite/gcc.dg/tree-ssa/pr38385.c: New file.

2009-01-12  Jakub Jelinek  <>

	PR tree-optimization/38807
	* tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
	gimple_visited_p unless stmt is GIMPLE_ASSIGN.

2009-01-11  Adam Nemet  <>

	* expmed.c (store_bit_field_1): Properly truncate the paradoxical
	subreg of op0 to the original op0.

2009-01-11  Laurent GUERBY  <>

	* doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.

2009-01-11  Markus Schoepflin  <>

	PR debug/7055
	* gcc/mips-tfile.c (parse_def): Fix parsing of def strings
	starting with digits.

2009-01-10  Jakub Jelinek  <>

	PR target/38695
	* config/arm/arm.c (arm_is_long_call_p): Don't call
	arm_function_in_section_p if decl isn't a FUNCTION_DECL.

2009-01-09  Steven Bosscher  <>

	* regrename.c (regrename_optimize): Fix dumping.
	(find_oldest_value_reg): Preserve REG_POINTER.
	(copy_hardreg_forward_1): Likewise.

2009-01-09  Diego Novillo  <>

	* gimple.h (struct gimple_statement_base) <uid>: Document
	the restrictions on its use.
	(gimple_uid): Tidy.
	(gimple_set_uid): Tidy.

2009-01-09  Jakub Jelinek  <>

	* config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
	zero guard even if align_bytes != 0 and count is smaller than

2009-01-09  Vladimir Makarov  <>

	PR rtl-optimization/38495
	* ira-emit.c (print_move_list, ira_debug_move_list): New functions.
	(add_range_and_copies_from_move_list): Print all added ranges.
	Add ranges to memory optimized destination.

2009-01-09  Jakub Jelinek  <>

	PR target/38686
	PR target/38708
	* config/i386/i386.c (override_options): Reject
	-mstringop-strategy=rep_8byte with -m32.
	(ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
	to 1.  Do count comparison against epilogue_size_needed at compile
	time even when count_exp was constant forced into register.  For
	size_needed don't jump to epilogue, instead just avoid aligning
	and invoke the body algorithm.  If need_zero_guard, add zero guard
	even if count is non-zero, but smaller than size_needed + number of
	bytes that could be stored for alignment.
	(ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
	to 1.  If need_zero_guard, add zero guard even if count is non-zero,
	but smaller than size_needed + number of bytes that could be stored
	for alignment.  Compare size_needed with epilogue_size_needed instead
	of desired_align - align, don't adjust size_needed, pass
	epilogue_size_needed to the epilogue expanders.

	PR c/35742
	* c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.

2009-01-09  John David Anglin  <>

	* pa.c (last_address): Change to unsigned.
	(update_total_code_bytes): Change argument to unsigned.  Don't
	check if insn addresses are set.
	(pa_output_function_epilogue): Set last_address to UINT_MAX if insn
	addresses are not set.
	(pa_asm_output_mi_thunk): Handle wrap when updating last_address.

2009-01-09  Nick Clifton  <>

	* config/sh/symbian.c: Replace uses of DECL_INLINE with

2009-01-09  Jakub Jelinek  <>

	PR middle-end/38347
	* dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
	GET_MODE (op0) in operand_subword_force calls.

	PR middle-end/38771
	* fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
	fold_convert arg0 operands to TREE_TYPE (op0) first.

2009-01-08  Vladimir Makarov  <>

	* params.def (ira-max-conflict-table-size): Decrease default value
	to 1000.

2009-01-08  Jakub Jelinek  <>

	PR tree-optimization/37031
	* lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
	on parameter_set.
	(build_access_matrix): Reserve correct size for AM_MATRIX vector,
	allocate it using gc instead of heap, use VEC_quick_push instead of
	* graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
	instead of heap, use VEC_quick_push instead of VEC_safe_push.
	* tree-data-ref.h (struct access_matrix): Change matrix to gc
	allocated vector from heap allocated.
	* lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
	* tree-loop-linear.c (linear_transform_loops): Allocate nest
	vector only after perfect_loop_nest_depth call.

2009-01-08  Sebastian Pop  <>
	    Jan Sjodin  <>

	PR tree-optimization/38559
	* graphite.c (debug_value, copy_constraint,
	swap_constraint_variables, scale_constraint_variable, ): New.
	(get_lower_bound, get_upper_bound): Removed.
	(graphite_trans_bb_strip_mine): Clean up this code that works
	only for constant number of iterations.  Fully copy upper and
	lower bound constraints, not only the constant part of them.
	* graphite.h (debug_value): Declared.

2009-01-08  Ira Rosen  <>

	PR tree-optimization/37194
	* tree-vect-transform.c (vect_estimate_min_profitable_iters):
	Don't add the cost of cost model guard in prologue to scalar
	outside cost in case of known number of iterations.

2009-01-07  Nathan Froyd  <>
	    Alan Modra  <>

	* config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
	non-word-aligned REG+CONST addressing.

2009-01-07  Uros Bizjak  <>

	PR target/38706
	* config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
	free_after_compilation when outputting a thunk.
	(alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
	Do not call free_after_compilation here.

2009-01-07  Uros Bizjak  <>

	* config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
	(ix86_valid_target_attribute_inner_p): Ditto.

2009-01-07  Jan Sjodin  <>

	PR tree-optimization/38492
	PR tree-optimization/38498
	* tree-check.c (operator_is_linear, scev_is_linear_expression): New.
	* tree-chrec.h (scev_is_linear_expression): Declared.
	* graphite.c (graphite_cannot_represent_loop_niter): New.
	(scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
	(graphite_loop_normal_form): Use gcc_assert.
	(scan_tree_for_params): Use CASE_CONVERT.
	(phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
	(build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
	Use gcc_assert.  Discard scops that contain unhandled cases.
	(build_scop_conditions): Return a boolean status for unhandled cases.
	(strip_mine_profitable_p): Print the loop number, not its depth.
	(is_interchange_valid): Pass the depth of the loop nest, don't
	recompute it wrongly.
	(graphite_trans_bb_block): Same.
	(graphite_trans_bb_block): Print tentative of loop blocking.
	(graphite_trans_scop_block): Do not print that the loop has been
	(graphite_transform_loops): Do not handle scops that contain condition
	scalar phi nodes.

2009-01-07  H.J. Lu  <>

	AVX Programming Reference (December, 2008)
	* config/i386/avxintrin.h (_mm256_stream_si256): New.
	(_mm256_stream_pd): Likewise.
	(_mm256_stream_ps): Likewise.

	* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
	(ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
	(bdesc_special_args): Add __builtin_ia32_movntdq256,
	__builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
	(ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
	(ix86_expand_special_args_builtin): Likewise.

	* config/i386/ (AVXMODEDI): New.
	(avx_movnt<mode>): Likewise.
	(avx_movnt<mode>): Likewise.
	(<sse>_movnt<mode>): Remove AVX support.
	(sse2_movntv2di): Likewise.

2009-01-07  Richard Guenther  <>

	PR middle-end/38751
	* fold-const.c (extract_muldiv): Remove obsolete comment.
	(fold_plusminus_mult_expr): Undo MINUS_EXPR
	to PLUS_EXPR canonicalization for the canonicalization.

2009-01-07  Gerald Pfeifer  <>

	* doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
	hosted cross-compilers generating less efficient code.

2009-01-06  Richard Sandiford  <>

	* function.h (rtl_data): Add a dbr_scheduled_p field.
	* reorg.c (dbr_schedule): Set it.
	(gate_handle_delay_slots): Check it.
	* config/mips/mips.c (mips_base_delayed_branch): Delete.
	(mips_reorg): Check flag_delayed_branch instead of
	(mips_override_options): Don't set mips_base_delayed_branch
	or flag_delayed_branch.

2009-01-06  Richard Sandiford  <>

	PR rtl-optimization/38426.
	* ira.c (ira): Set current_function_is_leaf earlier.

2009-01-06  Jakub Jelinek  <>

	PR rtl-optimization/38722
	* combine.c (try_combine): Don't modify PATTERN (i3) and notes
	too early, only set a flag and modify after last possible
	undo_all point.

2009-01-06  Janis Johnson  <>

	PR c/34252
	* ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
	* real.c (decimal_single_format): Correct values of emin and emax.
	(decimal_double_format): Ditto.
	(decimal_quad_format): Ditto.
	* c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
	computation of DECnn_MIN and DECnn_MAX for corrected values of
	emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
	__DECnn_MIN__, and adjust its computation for the corrected value
	of emin.

2009-01-06  Jan Hubicka  <>

	PR target/38744
	* config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.

2009-01-06  Gerald Pfeifer  <>

	* doc/contrib.texi (Contributors): Slightly adjust the end note.
	Add Robert Clark to the list of testers.

2009-01-06  Jan Hubicka  <>
	    Kai Tietz  <>

	* config/i386/ (*msabi_syvabi): Add SSE regs clobbers.
	* config/i386/i386.c (ix86_expand_call): Add clobbers.

2009-01-06  Jan Hubicka  <>
	    Kai Tietz  <>

	* config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
	for w64 ABI.
	* config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
	(ix86_nsaved_regs): Count only general purpose regs.
	(ix86_nsaved_sseregs): New.
	(ix86_compute_frame_layout): Update nsseregs; set preferred alignment
	to 16 for w64; compute padding and size of sse reg save area.
	(ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
	general purpose regs.
	(ix86_emit_save_sse_regs_using_mov): New.
	(ix86_expand_prologue): Save SSE regs if needed.
	(ix86_emit_restore_regs_using_mov): Use only general purpose regs.
	(ix86_emit_restore_sse_regs_using_mov): New.
	(ix86_expand_epilogue): Save SSE regs if needed.

2009-01-06  Jan Hubicka  <>
	    Kai Tietz  <>

	* config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
	* config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
	functions when accumulate outgoing args is off.

2009-01-06  H.J. Lu  <>

	PR bootstrap/38742
	* ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
	before using pseudos_have_intersected_live_ranges_p.

	* ira-int.h (ira_assert): Always define.

2009-01-06  H.J. Lu  <>

	AVX Programming Reference (December, 2008)
	* config/i386/avxintrin.h (_mm_permute2_pd): Removed.
	(_mm256_permute2_pd): Likewise.
	(_mm_permute2_ps): Likewise.
	(_mm256_permute2_ps): Likewise.
	* config/i386/ (UNSPEC_VPERMIL2): Likewise.
	* config/i386/ (avx_vpermil2<mode>3): Likewise.

	* config/i386/i386.c (ix86_builtins): Remove
	(ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
	(bdesc_args): Remove __builtin_ia32_vpermil2pd,
	__builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Likewise.

2009-01-05  John David Anglin  <>

	* pa.c (output_call): Relocate non-jump insns in the delay slot of
	long absolute calls when generating PA 2.0 code.

2009-01-05  Vladimir Makarov  <>

	PR rtl-optimization/38583
	* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.

	* params.def (ira-max-conflict-table-size): New.

	* doc/invoke.texi (ira-max-conflict-table-size): Decribe.

	* ira.h (ira_conflicts_p): New external definition.

	* ira-conflicts.c (build_conflict_bit_table): Do not build too big
	table.  Report this.  Return result of building.
	(ira_build_conflicts): Use ira_conflicts_p.  Check result of
	building conflict table.

	* ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
	(ira_color): Use ira_conflicts_p.

	* global.c: Include ira.h.
	(pseudo_for_reload_consideration_p, build_insn_chain): Use

	* (global.o): Add ira.h.

	* ira-build.c (mark_all_loops_for_removal,
	propagate_some_info_from_allocno): New.
	(remove_unnecessary_allocnos): Call
	(remove_low_level_allocnos): New.
	(remove_unnecessary_regions): Add parameter.  Call
	mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
	parameter to remove_unnecessary_regions.
	(ira_build): Remove all regions but root if the conflict table was
	not built.  Update conflict hard regs for allocnos crossing calls.

	* ira.c (ira_conflicts_p): New global.
	(ira): Define and use ira_conflicts_p.

	* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
	count_spilled_pseudo, find_reg, alter_reg, finish_spills,
	emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.

2009-01-06  Ben Elliston  <>

	* gengtype-lex.l (YY_NO_INPUT): Define.

2009-01-05  Andrew Pinski  <>

	PR c/34911
	* c-common.c (handle_vector_size_attribute): Also reject

2009-01-05  Sebastian Pop  <>

	PR tree-optimization/38492
	* graphite.c (rename_map_elt, debug_rename_elt,
	debug_rename_map_1, debug_rename_map, new_rename_map_elt,
	rename_map_elt_info, eq_rename_map_elts,
	get_new_name_from_old_name, bb_in_sese_p): Moved around.
	(sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
	(sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
	(sese_build_livein_liveouts): New.
	(new_sese, free_sese): New.
	(new_scop): Call new_sese.
	(free_scop): Call free_sese.
	(rename_variables_from_edge, rename_phis_end_scop): Removed.
	(register_old_new_names): Renamed register_old_and_new_names.
	(register_scop_liveout_renames, add_loop_exit_phis,
	insert_loop_close_phis, struct igp,
	default_liveout_before_guard, add_guard_exit_phis,
	insert_guard_phis, copy_renames): New.
	(translate_clast): Call insert_loop_close_phis and insert_guard_phis.
	(sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
	(rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
	(scop_adjust_phis_for_liveouts): New.
	(gloog): Call scop_adjust_phis_for_liveouts.

	* graphite.h (struct sese): Documented.  Added fields liveout,
	num_ver and livein.
	(new_sese, free_sese, sese_build_livein_liveouts): Declared.
	(struct scop): Added field liveout_renames.

2009-01-05  Harsha Jagasia  <>

	PR tree-optimization/38510
	* graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
	(translate_clast): Call recompute_all_dominators before
	(gloog): Call recompute_all_dominators before graphite_verify.

2009-01-05  Harsha Jagasia  <>
	    Jan Sjodin  <>

	PR tree-optimization/38500
	* graphite.c (create_sese_edges): Call fix_loop_structure after
	splitting blocks.

2009-01-05  Joel Sherrill  <>

	* config.gcc: Add m32r*-*-rtems*.
	* config/m32r/rtems.h: New file.

2009-01-05  Ben Elliston  <>

	* ( Use mkinstalldirs, not test -d || mkdir.
	(.po.pox): Likewise.
	(po/gcc.pot): Likewise.

2009-01-04  David S. Miller  <>

	* config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
	(STARTING_FRAME_OFFSET): Always set to zero.

2009-01-04  Richard Sandiford  <>

	* tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
	* tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
	fixed-point types, and vectors of the same.

2009-01-04  Richard Sandiford  <>

	* config/mips/ (*mb_barrier): Rename to...
	(*memory_barrier): ...this.

2009-01-04  Jonathan Wakely  <>

	* doc/extend.texi (Function Attributes): Move @cindex after @item
	for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
	and put in alphabetical order. Fix 'target' name and put in order.
	* doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix

2009-01-04  Uros Bizjak  <>

	* config/s390/ (UNSPEC_MB): Rename from UNSPECV_MB.
	(memory_barrier): Expand as unspec instead of unspec_volatile.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	(*memory_barrier): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand.

	* config/sparc/ (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
	* config/sparc/ (memory_barrier): Expand as unspec instead of
	unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
	scratch register.  Remove operand 1.
	(*stbar): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand, remove (const_int 8).
	(*membar): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand, remove input operand 2.

	* config/xtensa/ (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
	(memory_barrier): Expand as unspec instead of unspec_volatile.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	(*memory_barrier): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand.

	* config/ia64/ (memory_barrier): Redefine as expander pattern.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	Set volatile flag on operand 0.
	(*memory_barrier): New insn pattern.

	* config/rs6000/ (memory_barrier): Remove mem:BLK from
	insn operands.
	(*memory_barrier): Use (match_dup 0) as input operand.

	* config/mips/ (memory_barrier): Redefine as expander pattern.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	Set volatile flag on operand 0.
	(*mb_internal): New insn pattern.

	* config/alpha/ (*memory_barrier): Rename from *mb_internal.

2009-01-04  Steven Bosscher  <>

	PR middle-end/38586
	* function.c (struct temp_slot): Move to the section of the file
	that deals with temp slots.  Remove field 'address'.
	(temp_slot_address_table): New hash table of address -> temp slot.
	(struct temp_slot_address_entry): New struct, items for the table.
	(temp_slot_address_compute_hash, temp_slot_address_hash,
	temp_slot_address_eq, insert_temp_slot_address): Support functions
	for the new table.
	(find_temp_slot_from_address): Rewrite to use the new hash table.
	(remove_unused_temp_slot_addresses): Remove addresses of temp
	slots that have been made available.
	(remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
	worker function for remove_unused_temp_slot_addresses.
	(assign_stack_temp_for_type): Don't clear the temp slot address list.
	Add the temp slot address to the address -> temp slot map.
	(update_temp_slot_address): Update via insert_temp_slot_address.
	(free_temp_slots): Call remove_unused_temp_slot_addresses.
	(pop_temp_slots): Likewise.
	(init_temp_slots): Allocate the address -> temp slot map, or empty
	the map if it is already allocated.
	(prepare_function_start): Initialize temp slot processing.

2009-01-04  Steven Bosscher  <>

	PR middle-end/38584
	* cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
	Calculate the size of all stack vars assuming no packing of stack
	vars will happen, replacing a quadratic algorithm with a linear one.

2009-01-03  Jakub Jelinek  <>

	PR target/38707
	* expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
	can't be used.

2009-01-03  Diego Novillo  <>

	* doc/contrib.texi: Update contributions.

2009-01-03  Jakub Jelinek  <>

	PR c++/38705
	* builtins.c (fold_builtin_memory_op): Give up if either operand
	is volatile.  Set srctype or desttype to non-qualified version
	of the other type.

	PR c/38700
	* builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs

2009-01-02  Kenneth Zadeck  <>

	PR rtl-optimization/35805
	* df-problems.c (df_lr_finalize): Add recursive call to resolve lr
	problem if fast dce is able to remove any instructions.
	* dce.c (dce_process_block): Fix dump message.

2009-01-02  Mark Mitchell  <>

	PR 33649
	* tree-ssa-pre.c (compute_antic): Correct loop bounds.

2009-01-02  Jakub Jelinek  <>

	PR middle-end/38690
	* tree-flow.h (op_code_prio, op_prio): New prototypes.
	* tree-pretty-print.c (op_code_prio): New function.
	(op_prio): No longer static.  Use op_code_prio.
	* gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
	Use op_prio and op_code_prio to determine if () should be
	printed around operand(s) or not.

	* gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
	dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
	dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
	dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
	pp_character instead of pp_string for single letter printing.

2009-01-02  Richard Sandiford  <>

	* doc/extend.texi: Fix '#pragma GCC option' typo.

2009-01-02  Richard Guenther  <>

	* doc/install.texi (--enable-checking): Mention different
	default for stage1.
	(--enable-stage1-checking): Document.

2009-01-01  Andrew Pinski  <>

	PR middle-end/30142
	* tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
	case to be an error.

2009-01-02  Ben Elliston  <>

	* config/fp-bit.h (pack_d): Constify argument.
	* config/fp-bit.c (makenan): Constify return type. Remove casts.
	(isnan): Constify argument.
	(isinf): Likewise.
	(iszero): Likewise.
	(pack_d): Likewise.
	(_fpadd_parts): Constify return type.
	(_fpmul_parts): Likewise.
	(_fpdiv_parts): Likewise.

2009-01-01  Jakub Jelinek  <>

	PR c/36489
	* c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
	warn about overwriting initializer with side-effects or
	-Woverride-init if !IMPLICIT.
	(output_init_element): Likewise.  Pass IMPLICIT down to
	(process_init_element): Add IMPLICIT argument.  Pass it down
	to output_init_element.
	(push_init_element, pop_init_level, set_designator): Adjust
	process_init_element callers.
	(set_nonincremental_init, set_nonincremental_init_from_string):
	Adjust add_pending_init callers.
	(output_pending_init_elements): Adjust output_init_element callers.
	* c-tree.h (process_init_element): Adjust prototype.
	* c-parser.c (c_parser_initelt, c_parser_initval): Adjust
	process_init_element callers.