CbC/CbC_gcc: gcc/calls.c comparison

comparison gcc/calls.c @ 55:77e2b8dfacca gcc-4.4.5

update it from 4.4.3 to 4.5.0

author	ryoma <e075725@ie.u-ryukyu.ac.jp>
date	Fri, 12 Feb 2010 23:39:51 +0900
parents	855418dad1a3
children	326d9e06c2e3 b7f97abdc517

comparison

equal deleted inserted replaced

-:c156f1bd5cd9
+:77e2b8dfacca
 #include "tm_p.h"
 #include "timevar.h"
 #include "sbitmap.h"
 #include "langhooks.h"
 #include "target.h"
+#include "debug.h"
 #include "cgraph.h"
 #include "except.h"
 #include "dbgcnt.h"
 #include "tree-flow.h"
 CALL_FUSAGE points to a variable holding the prospective
 CALL_INSN_FUNCTION_USAGE information.  */
 rtx
-prepare_call_address (rtx funexp, rtx static_chain_value,
+prepare_call_address (tree fndecl, rtx funexp, rtx static_chain_value,
 		      rtx *call_fusage, int reg_parm_seen, int sibcallp)
 {
 /* Make a valid memory address and copy constants through pseudo-regs,
 but not for a constant address if -fno-function-cse.  */
 if (GET_CODE (funexp) != SYMBOL_REF)
 #endif
 }
 if (static_chain_value != 0)
 {
+rtx chain;
+gcc_assert (fndecl);
+chain = targetm.calls.static_chain (fndecl, false);
 static_chain_value = convert_memory_address (Pmode, static_chain_value);
-emit_move_insn (static_chain_rtx, static_chain_value);
+emit_move_insn (chain, static_chain_value);
-if (REG_P (static_chain_rtx))
+if (REG_P (chain))
-	use_reg (call_fusage, static_chain_rtx);
+	use_reg (call_fusage, chain);
 }
 return funexp;
 }
 CALL_FUSAGE is either empty or an EXPR_LIST of USE expressions that
 denote registers used by the called function.  */
 static void
-emit_call_1 (rtx funexp, tree fntree, tree fndecl ATTRIBUTE_UNUSED,
+emit_call_1 (rtx funexp, tree fntree ATTRIBUTE_UNUSED, tree fndecl ATTRIBUTE_UNUSED,
 	     tree funtype ATTRIBUTE_UNUSED,
 	     HOST_WIDE_INT stack_size ATTRIBUTE_UNUSED,
 	     HOST_WIDE_INT rounded_stack_size,
 	     HOST_WIDE_INT struct_value_size ATTRIBUTE_UNUSED,
 	     rtx next_arg_reg ATTRIBUTE_UNUSED, rtx valreg,
 {
 rtx rounded_stack_size_rtx = GEN_INT (rounded_stack_size);
 rtx call_insn;
 int already_popped = 0;
 HOST_WIDE_INT n_popped = RETURN_POPS_ARGS (fndecl, funtype, stack_size);
-#if defined (HAVE_call) && defined (HAVE_call_value)
-rtx struct_value_size_rtx;
-struct_value_size_rtx = GEN_INT (struct_value_size);
-#endif
 #ifdef CALL_POPS_ARGS
 n_popped += CALL_POPS_ARGS (* args_so_far);
 #endif
 					   rounded_stack_size_rtx,
 					   next_arg_reg, NULL_RTX));
 else
 	emit_call_insn (GEN_SIBCALL (gen_rtx_MEM (FUNCTION_MODE, funexp),
 				     rounded_stack_size_rtx, next_arg_reg,
-				     struct_value_size_rtx));
+				     GEN_INT (struct_value_size)));
 }
 else
 #endif
 #if defined (HAVE_call) && defined (HAVE_call_value)
 					rounded_stack_size_rtx, next_arg_reg,
 					NULL_RTX));
 else
 	emit_call_insn (GEN_CALL (gen_rtx_MEM (FUNCTION_MODE, funexp),
 				  rounded_stack_size_rtx, next_arg_reg,
-				  struct_value_size_rtx));
+				  GEN_INT (struct_value_size)));
 }
 else
 #endif
 gcc_unreachable ();
 /* If this is a const call, then set the insn's unchanging bit.  */
 if (ecf_flags & ECF_LOOPING_CONST_OR_PURE)
 RTL_LOOPING_CONST_OR_PURE_CALL_P (call_insn) = 1;
-/* If this call can't throw, attach a REG_EH_REGION reg note to that
+/* Create a nothrow REG_EH_REGION note, if needed.  */
-effect.  */
+make_reg_eh_region_note (call_insn, ecf_flags, 0);
-if (ecf_flags & ECF_NOTHROW)
-add_reg_note (call_insn, REG_EH_REGION, const0_rtx);
-else
-{
-int rn = lookup_expr_eh_region (fntree);
-/* If rn < 0, then either (1) tree-ssa not used or (2) doesn't
-	 throw, which we already took care of.  */
-if (rn > 0)
-	add_reg_note (call_insn, REG_EH_REGION, GEN_INT (rn));
-}
 if (ecf_flags & ECF_NORETURN)
 add_reg_note (call_insn, REG_NORETURN, const0_rtx);
 if (ecf_flags & ECF_RETURNS_TWICE)
 add_reg_note (call_insn, REG_SETJMP, const0_rtx);
 cfun->calls_setjmp = 1;
 }
 SIBLING_CALL_P (call_insn) = ((ecf_flags & ECF_SIBCALL) != 0);
+/* Record debug information for virtual calls.  */
+if (flag_enable_icf_debug && fndecl == NULL)
+(*debug_hooks->virtual_call_token) (CALL_EXPR_FN (fntree),
+INSN_UID (call_insn));
 /* Restore this now, so that we do defer pops for this call's args
 if the context of the call as a whole permits.  */
 inhibit_defer_pop = old_inhibit_defer_pop;
 int
 flags_from_decl_or_type (const_tree exp)
 {
 int flags = 0;
-const_tree type = exp;
 if (DECL_P (exp))
 {
-type = TREE_TYPE (exp);
 /* The function exp may have the `malloc' attribute.  */
 if (DECL_IS_MALLOC (exp))
 	flags |= ECF_MALLOC;
 /* The function exp may have the `returns_twice' attribute.  */
 	  }
 }
 }
 /* Fill in ARGS_SIZE and ARGS array based on the parameters found in
 CALL_EXPR EXP.
 NUM_ACTUALS is the total number of parameters.
 N_NAMED_ARGS is the total number of named arguments.
 				 int reg_parm_stack_space,
 				 rtx *old_stack_level, int *old_pending_adj,
 				 int *must_preallocate, int *ecf_flags,
 				 bool *may_tailcall, bool call_from_thunk_p)
 {
+location_t loc = EXPR_LOCATION (exp);
 /* 1 if scanning parms front to back, -1 if scanning back to front.  */
 int inc;
 /* Count arg position in order args appear.  */
 int argpos;
 	     instead of making a copy.  */
 	  if (call_from_thunk_p
 	      || (callee_copies
 		  && !TREE_ADDRESSABLE (type)
 		  && (base = get_base_address (args[i].tree_value))
+		  && TREE_CODE (base) != SSA_NAME
 		  && (!DECL_P (base) || MEM_P (DECL_RTL (base)))))
 	    {
 	      /* We can't use sibcalls if a callee-copied argument is
 		 stored in the current function's frame.  */
 	      if (!call_from_thunk_p && DECL_P (base) && !TREE_STATIC (base))
 		*may_tailcall = false;
-	      args[i].tree_value = build_fold_addr_expr (args[i].tree_value);
+	      args[i].tree_value = build_fold_addr_expr_loc (loc,
+							 args[i].tree_value);
 	      type = TREE_TYPE (args[i].tree_value);
 	      if (*ecf_flags & ECF_CONST)
 		*ecf_flags &= ~(ECF_CONST | ECF_LOOPING_CONST_OR_PURE);
 	    }
 	      if (!callee_copies && *ecf_flags & ECF_PURE)
 		*ecf_flags &= ~(ECF_PURE | ECF_LOOPING_CONST_OR_PURE);
 	      args[i].tree_value
-		= build_fold_addr_expr (make_tree (type, copy));
+		= build_fold_addr_expr_loc (loc, make_tree (type, copy));
 	      type = TREE_TYPE (args[i].tree_value);
 	      *may_tailcall = false;
 	    }
 	}
-mode = TYPE_MODE (type);
 unsignedp = TYPE_UNSIGNED (type);
+mode = promote_function_mode (type, TYPE_MODE (type), &unsignedp,
-if (targetm.calls.promote_function_args (fndecl
+				    fndecl ? TREE_TYPE (fndecl) : fntype, 0);
-					       ? TREE_TYPE (fndecl)
-					       : fntype))
-	mode = promote_mode (type, mode, &unsignedp, 1);
 args[i].unsignedp = unsignedp;
 args[i].mode = mode;
 args[i].reg = FUNCTION_ARG (*args_so_far, mode, type,
 if (!ACCUMULATE_OUTGOING_ARGS)
 return;
 for (i = 0; i < num_actuals; i++)
 {
+tree type;
 enum machine_mode mode;
 if (TREE_CODE (args[i].tree_value) != CALL_EXPR)
 	continue;
 /* If this is an addressable type, we cannot pre-evaluate it.  */
-gcc_assert (!TREE_ADDRESSABLE (TREE_TYPE (args[i].tree_value)));
+type = TREE_TYPE (args[i].tree_value);
+gcc_assert (!TREE_ADDRESSABLE (type));
 args[i].initial_value = args[i].value
 	= expand_normal (args[i].tree_value);
-mode = TYPE_MODE (TREE_TYPE (args[i].tree_value));
+mode = TYPE_MODE (type);
 if (mode != args[i].mode)
 	{
+	  int unsignedp = args[i].unsignedp;
 	  args[i].value
 	    = convert_modes (args[i].mode, mode,
 			     args[i].value, args[i].unsignedp);
-#if defined(PROMOTE_FUNCTION_MODE) && !defined(PROMOTE_MODE)
 	  /* CSE will replace this only if it contains args[i].value
 	     pseudo, so convert it down to the declared mode using
 	     a SUBREG.  */
 	  if (REG_P (args[i].value)
-	      && GET_MODE_CLASS (args[i].mode) == MODE_INT)
+	      && GET_MODE_CLASS (args[i].mode) == MODE_INT
+	      && promote_mode (type, mode, &unsignedp) != args[i].mode)
 	    {
 	      args[i].initial_value
 		= gen_lowpart_SUBREG (mode, args[i].value);
 	      SUBREG_PROMOTED_VAR_P (args[i].initial_value) = 1;
 	      SUBREG_PROMOTED_UNSIGNED_SET (args[i].initial_value,
 					    args[i].unsignedp);
 	    }
-#endif
 	}
 }
 }
 /* Given the current state of MUST_PREALLOCATE and information about
 arguments to a function call in NUM_ACTUALS, ARGS and ARGS_SIZE,
 compute and return the final value for MUST_PREALLOCATE.  */
 static int
 finalize_must_preallocate (int must_preallocate, int num_actuals,
 			   struct arg_data *args, struct args_size *args_size)
 {
 /* See if we have or want to preallocate stack space.
 If we would have to push a partially-in-regs parm
 	  if (! args[i].pass_on_stack
 	      && args[i].reg != 0
 	      && args[i].partial == 0)
 	    continue;
-	  if (GET_CODE (offset) == CONST_INT)
+	  if (CONST_INT_P (offset))
 	    addr = plus_constant (arg_reg, INTVAL (offset));
 	  else
 	    addr = gen_rtx_PLUS (Pmode, arg_reg, offset);
 	  addr = plus_constant (addr, arg_offset);
 	    }
 	  align = BITS_PER_UNIT;
 	  boundary = args[i].locate.boundary;
 	  if (args[i].locate.where_pad != downward)
 	    align = boundary;
-	  else if (GET_CODE (offset) == CONST_INT)
+	  else if (CONST_INT_P (offset))
 	    {
 	      align = INTVAL (offset) * BITS_PER_UNIT | boundary;
 	      align = align & -align;
 	    }
 	  set_mem_align (args[i].stack, align);
-	  if (GET_CODE (slot_offset) == CONST_INT)
+	  if (CONST_INT_P (slot_offset))
 	    addr = plus_constant (arg_reg, INTVAL (slot_offset));
 	  else
 	    addr = gen_rtx_PLUS (Pmode, arg_reg, slot_offset);
 	  addr = plus_constant (addr, arg_offset);
 if (addr == crtl->args.internal_arg_pointer)
 i = 0;
 else if (GET_CODE (addr) == PLUS
 	   && XEXP (addr, 0) == crtl->args.internal_arg_pointer
-	   && GET_CODE (XEXP (addr, 1)) == CONST_INT)
+	   && CONST_INT_P (XEXP (addr, 1)))
 i = INTVAL (XEXP (addr, 1));
 /* Return true for arg pointer based indexed addressing.  */
 else if (GET_CODE (addr) == PLUS
 	   && (XEXP (addr, 0) == crtl->args.internal_arg_pointer
 	       || XEXP (addr, 1) == crtl->args.internal_arg_pointer))
 /* Sequence of insns to perform a tail "call".  */
 rtx tail_call_insns = NULL_RTX;
 /* Data type of the function.  */
 tree funtype;
 tree type_arg_types;
+tree rettype;
 /* Declaration of the function being called,
 or 0 if the function is computed (not known by name).  */
 tree fndecl = 0;
 /* The type of the function being called.  */
 tree fntype;
 allocate_dynamic_stack_space. This modifies the stack_pointer_delta,
 which we then also need to save/restore along the way.  */
 int old_stack_pointer_delta = 0;
 rtx call_fusage;
-tree p = CALL_EXPR_FN (exp);
 tree addr = CALL_EXPR_FN (exp);
 int i;
 /* The alignment of the stack, in bits.  */
 unsigned HOST_WIDE_INT preferred_stack_boundary;
 /* The alignment of the stack, in bytes.  */
 fntype = TREE_TYPE (fndecl);
 flags |= flags_from_decl_or_type (fndecl);
 }
 else
 {
-fntype = TREE_TYPE (TREE_TYPE (p));
+fntype = TREE_TYPE (TREE_TYPE (addr));
 flags |= flags_from_decl_or_type (fntype);
 }
+rettype = TREE_TYPE (exp);
 struct_value = targetm.calls.struct_value_rtx (fntype, 0);
 /* Warn if this value is an aggregate type,
 regardless of which calling convention we are using for it.  */
-if (AGGREGATE_TYPE_P (TREE_TYPE (exp)))
+if (AGGREGATE_TYPE_P (rettype))
 warning (OPT_Waggregate_return, "function call has aggregate value");
 /* If the result of a non looping pure or const function call is
 ignored (or void), and none of its arguments are volatile, we can
 avoid expanding the call and just evaluate the arguments for
 side-effects.  */
 if ((flags & (ECF_CONST | ECF_PURE))
 && (!(flags & ECF_LOOPING_CONST_OR_PURE))
 && (ignore || target == const0_rtx
-	  || TYPE_MODE (TREE_TYPE (exp)) == VOIDmode))
+	  || TYPE_MODE (rettype) == VOIDmode))
 {
 bool volatilep = false;
 tree arg;
 call_expr_arg_iterator iter;
 {
 	pcc_struct_value = 1;
 }
 #else /* not PCC_STATIC_STRUCT_RETURN */
 {
-	struct_value_size = int_size_in_bytes (TREE_TYPE (exp));
+	struct_value_size = int_size_in_bytes (rettype);
 	if (target && MEM_P (target) && CALL_EXPR_RETURN_SLOT_OPT (exp))
 	  structure_value_addr = XEXP (target, 0);
 	else
 	  {
 	    /* For variable-sized objects, we must be called with a target
 	       specified.  If we were to allocate space on the stack here,
 	       we would have no way of knowing when to free it.  */
-	    rtx d = assign_temp (TREE_TYPE (exp), 0, 1, 1);
+	    rtx d = assign_temp (rettype, 0, 1, 1);
 	    mark_temp_addr_taken (d);
 	    structure_value_addr = XEXP (d, 0);
 	    target = 0;
 	  }
 there's cleanups, as we know there's code to follow the call.  */
 if (currently_expanding_call++ != 0
 || !flag_optimize_sibling_calls
 || args_size.var
-|| lookup_expr_eh_region (exp) >= 0
 || dbg_cnt (tail_call) == false)
 try_tail_call = 0;
 /*  Rest of purposes for tail call optimizations to fail.  */
 if (
 enum machine_mode callee_mode, callee_promoted_mode;
 int caller_unsignedp, callee_unsignedp;
 tree caller_res = DECL_RESULT (current_function_decl);
 caller_unsignedp = TYPE_UNSIGNED (TREE_TYPE (caller_res));
-caller_mode = caller_promoted_mode = DECL_MODE (caller_res);
+caller_mode = DECL_MODE (caller_res);
 callee_unsignedp = TYPE_UNSIGNED (TREE_TYPE (funtype));
-callee_mode = callee_promoted_mode = TYPE_MODE (TREE_TYPE (funtype));
+callee_mode = TYPE_MODE (TREE_TYPE (funtype));
-if (targetm.calls.promote_function_return (TREE_TYPE (current_function_decl)))
+caller_promoted_mode
-	caller_promoted_mode
+	= promote_function_mode (TREE_TYPE (caller_res), caller_mode,
-	  = promote_mode (TREE_TYPE (caller_res), caller_mode,
+				 &caller_unsignedp,
-			  &caller_unsignedp, 1);
+				 TREE_TYPE (current_function_decl), 1);
-if (targetm.calls.promote_function_return (funtype))
+callee_promoted_mode
-	callee_promoted_mode
+	= promote_function_mode (TREE_TYPE (funtype), callee_mode,
-	  = promote_mode (TREE_TYPE (funtype), callee_mode,
+				 &callee_unsignedp,
-			  &callee_unsignedp, 1);
+				 funtype, 1);
 if (caller_mode != VOIDmode
 	  && (caller_promoted_mode != callee_promoted_mode
 	      || ((caller_mode != caller_promoted_mode
 		   || callee_mode != callee_promoted_mode)
 		  && (caller_unsignedp != callee_unsignedp
 funexp = rtx_for_function_call (fndecl, addr);
 /* Figure out the register where the value, if any, will come back.  */
 valreg = 0;
-if (TYPE_MODE (TREE_TYPE (exp)) != VOIDmode
+if (TYPE_MODE (rettype) != VOIDmode
 	  && ! structure_value_addr)
 	{
 	  if (pcc_struct_value)
-	    valreg = hard_function_value (build_pointer_type (TREE_TYPE (exp)),
+	    valreg = hard_function_value (build_pointer_type (rettype),
 					  fndecl, NULL, (pass == 0));
 	  else
-	    valreg = hard_function_value (TREE_TYPE (exp), fndecl, fntype,
+	    valreg = hard_function_value (rettype, fndecl, fntype,
 					  (pass == 0));
 	  /* If VALREG is a PARALLEL whose first member has a zero
 	     offset, use that.  This is for targets such as m68k that
 	     return the same value in multiple places.  */
 	  if (REG_P (struct_value))
 	    use_reg (&call_fusage, struct_value);
 	}
 after_args = get_last_insn ();
-funexp = prepare_call_address (funexp, static_chain_value,
+funexp = prepare_call_address (fndecl, funexp, static_chain_value,
 				     &call_fusage, reg_parm_seen, pass == 0);
 load_register_parameters (args, num_actuals, &call_fusage, flags,
 				pass == 0, &sibcall_failure);
 	 of a register, shift the register right by the appropriate amount
 	 and update VALREG accordingly.  BLKmode values are handled by the
 	 group load/store machinery below.  */
 if (!structure_value_addr
 	  && !pcc_struct_value
-	  && TYPE_MODE (TREE_TYPE (exp)) != BLKmode
+	  && TYPE_MODE (rettype) != BLKmode
-	  && targetm.calls.return_in_msb (TREE_TYPE (exp)))
+	  && targetm.calls.return_in_msb (rettype))
 	{
-	  if (shift_return_value (TYPE_MODE (TREE_TYPE (exp)), false, valreg))
+	  if (shift_return_value (TYPE_MODE (rettype), false, valreg))
 	    sibcall_failure = 1;
-	  valreg = gen_rtx_REG (TYPE_MODE (TREE_TYPE (exp)), REGNO (valreg));
+	  valreg = gen_rtx_REG (TYPE_MODE (rettype), REGNO (valreg));
 	}
 if (pass && (flags & ECF_MALLOC))
 	{
 	  rtx temp = gen_reg_rtx (GET_MODE (valreg));
 	  rtx last, insns;
 	  /* The return value from a malloc-like function is a pointer.  */
-	  if (TREE_CODE (TREE_TYPE (exp)) == POINTER_TYPE)
+	  if (TREE_CODE (rettype) == POINTER_TYPE)
 	    mark_reg_pointer (temp, BIGGEST_ALIGNMENT);
 	  emit_move_insn (temp, valreg);
 	  /* The return value from a malloc-like function can not alias
 	    }
 	}
 /* If value type not void, return an rtx for the value.  */
-if (TYPE_MODE (TREE_TYPE (exp)) == VOIDmode
+if (TYPE_MODE (rettype) == VOIDmode
 	  || ignore)
 	target = const0_rtx;
 else if (structure_value_addr)
 	{
 	  if (target == 0 || !MEM_P (target))
 	    {
 	      target
-		= gen_rtx_MEM (TYPE_MODE (TREE_TYPE (exp)),
+		= gen_rtx_MEM (TYPE_MODE (rettype),
-			       memory_address (TYPE_MODE (TREE_TYPE (exp)),
+			       memory_address (TYPE_MODE (rettype),
 					       structure_value_addr));
-	      set_mem_attributes (target, exp, 1);
+	      set_mem_attributes (target, rettype, 1);
 	    }
 	}
 else if (pcc_struct_value)
 	{
 	  /* This is the special C++ case where we need to
 	     know what the true target was.  We take care to
 	     never use this value more than once in one expression.  */
-	  target = gen_rtx_MEM (TYPE_MODE (TREE_TYPE (exp)),
+	  target = gen_rtx_MEM (TYPE_MODE (rettype),
 				copy_to_reg (valreg));
-	  set_mem_attributes (target, exp, 1);
+	  set_mem_attributes (target, rettype, 1);
 	}
 /* Handle calls that return values in multiple non-contiguous locations.
 	 The Irix 6 ABI has examples of this.  */
 else if (GET_CODE (valreg) == PARALLEL)
 	{
 	  if (target == 0)
 	    {
 	      /* This will only be assigned once, so it can be readonly.  */
-	      tree nt = build_qualified_type (TREE_TYPE (exp),
+	      tree nt = build_qualified_type (rettype,
-					      (TYPE_QUALS (TREE_TYPE (exp))
+					      (TYPE_QUALS (rettype)
 					       | TYPE_QUAL_CONST));
 	      target = assign_temp (nt, 0, 1, 1);
 	    }
 	  if (! rtx_equal_p (target, valreg))
-	    emit_group_store (target, valreg, TREE_TYPE (exp),
+	    emit_group_store (target, valreg, rettype,
-			      int_size_in_bytes (TREE_TYPE (exp)));
+			      int_size_in_bytes (rettype));
 	  /* We can not support sibling calls for this case.  */
 	  sibcall_failure = 1;
 	}
 else if (target
-	       && GET_MODE (target) == TYPE_MODE (TREE_TYPE (exp))
+	       && GET_MODE (target) == TYPE_MODE (rettype)
 	       && GET_MODE (target) == GET_MODE (valreg))
 	{
 	  bool may_overlap = false;
 	  /* We have to copy a return value in a CLASS_LIKELY_SPILLED hard
 		 optimization cannot be performed in that case.  */
 	      if (MEM_P (target))
 		sibcall_failure = 1;
 	    }
 	}
-else if (TYPE_MODE (TREE_TYPE (exp)) == BLKmode)
+else if (TYPE_MODE (rettype) == BLKmode)
 	{
 	  rtx val = valreg;
 	  if (GET_MODE (val) != BLKmode)
 	    val = avoid_likely_spilled_reg (val);
-	  target = copy_blkmode_from_reg (target, val, TREE_TYPE (exp));
+	  target = copy_blkmode_from_reg (target, val, rettype);
 	  /* We can not support sibling calls for this case.  */
 	  sibcall_failure = 1;
 	}
 else
 	target = copy_to_reg (avoid_likely_spilled_reg (valreg));
-if (targetm.calls.promote_function_return(funtype))
+/* If we promoted this return value, make the proper SUBREG.
-	{
+TARGET might be const0_rtx here, so be careful.  */
-	  /* If we promoted this return value, make the proper SUBREG.
+if (REG_P (target)
-	     TARGET might be const0_rtx here, so be careful.  */
+	  && TYPE_MODE (rettype) != BLKmode
-	  if (REG_P (target)
+	  && GET_MODE (target) != TYPE_MODE (rettype))
-	      && TYPE_MODE (TREE_TYPE (exp)) != BLKmode
+	{
-	      && GET_MODE (target) != TYPE_MODE (TREE_TYPE (exp)))
+	  tree type = rettype;
+	  int unsignedp = TYPE_UNSIGNED (type);
+	  int offset = 0;
+	  enum machine_mode pmode;
+	  /* Ensure we promote as expected, and get the new unsignedness.  */
+	  pmode = promote_function_mode (type, TYPE_MODE (type), &unsignedp,
+					 funtype, 1);
+	  gcc_assert (GET_MODE (target) == pmode);
+	  if ((WORDS_BIG_ENDIAN || BYTES_BIG_ENDIAN)
+	      && (GET_MODE_SIZE (GET_MODE (target))
+		  > GET_MODE_SIZE (TYPE_MODE (type))))
 	    {
-	      tree type = TREE_TYPE (exp);
+	      offset = GET_MODE_SIZE (GET_MODE (target))
-	      int unsignedp = TYPE_UNSIGNED (type);
+	        - GET_MODE_SIZE (TYPE_MODE (type));
-	      int offset = 0;
+	      if (! BYTES_BIG_ENDIAN)
-	      enum machine_mode pmode;
+	        offset = (offset / UNITS_PER_WORD) * UNITS_PER_WORD;
+	      else if (! WORDS_BIG_ENDIAN)
-	      pmode = promote_mode (type, TYPE_MODE (type), &unsignedp, 1);
+	        offset %= UNITS_PER_WORD;
-	      /* If we don't promote as expected, something is wrong.  */
-	      gcc_assert (GET_MODE (target) == pmode);
-	      if ((WORDS_BIG_ENDIAN || BYTES_BIG_ENDIAN)
-		  && (GET_MODE_SIZE (GET_MODE (target))
-		      > GET_MODE_SIZE (TYPE_MODE (type))))
-		{
-		  offset = GET_MODE_SIZE (GET_MODE (target))
-		    - GET_MODE_SIZE (TYPE_MODE (type));
-		  if (! BYTES_BIG_ENDIAN)
-		    offset = (offset / UNITS_PER_WORD) * UNITS_PER_WORD;
-		  else if (! WORDS_BIG_ENDIAN)
-		    offset %= UNITS_PER_WORD;
-		}
-	      target = gen_rtx_SUBREG (TYPE_MODE (type), target, offset);
-	      SUBREG_PROMOTED_VAR_P (target) = 1;
-	      SUBREG_PROMOTED_UNSIGNED_SET (target, unsignedp);
 	    }
+	  target = gen_rtx_SUBREG (TYPE_MODE (type), target, offset);
+	  SUBREG_PROMOTED_VAR_P (target) = 1;
+	  SUBREG_PROMOTED_UNSIGNED_SET (target, unsignedp);
 	}
 /* If size of args is variable or this was a constructor call for a stack
 	 argument, restore saved stack-pointer value.  */
 }
 for (; count < nargs; count++)
 {
 rtx val = va_arg (p, rtx);
-enum machine_mode mode = va_arg (p, enum machine_mode);
+enum machine_mode mode = (enum machine_mode) va_arg (p, int);
 /* We cannot convert the arg value to the mode the library wants here;
 	 must do it earlier where we know the signedness of the arg.  */
 gcc_assert (mode != BLKmode
 		  && (GET_MODE (val) == mode || GET_MODE (val) == VOIDmode));
 {
 enum machine_mode mode = argvec[argnum].mode;
 rtx val = argvec[argnum].value;
 rtx reg = argvec[argnum].reg;
 int partial = argvec[argnum].partial;
+unsigned int parm_align = argvec[argnum].locate.boundary;
 int lower_bound = 0, upper_bound = 0, i;
 if (! (reg != 0 && partial == 0))
 	{
 	  if (ACCUMULATE_OUTGOING_ARGS)
 		      emit_move_insn (argvec[argnum].save_area, stack_area);
 		    }
 		}
 	    }
-	  emit_push_insn (val, mode, NULL_TREE, NULL_RTX, PARM_BOUNDARY,
+	  emit_push_insn (val, mode, NULL_TREE, NULL_RTX, parm_align,
 			  partial, reg, 0, argblock,
 			  GEN_INT (argvec[argnum].locate.offset.constant),
 			  reg_parm_stack_space,
 			  ARGS_SIZE_RTX (argvec[argnum].locate.alignment_pad));
 if (PUSH_ARGS_REVERSED)
 argnum = nargs - 1;
 else
 argnum = 0;
-fun = prepare_call_address (fun, NULL, &call_fusage, 0, 0);
+fun = prepare_call_address (NULL, fun, NULL, &call_fusage, 0, 0);
 /* Now load any reg parms into their regs.  */
 /* ARGNUM indexes the ARGVEC array in the order in which the arguments
 are to be pushed.  */
 /* Don't allow popping to be deferred, since then
 cse'ing of library calls could delete a call and leave the pop.  */
 NO_DEFER_POP;
 valreg = (mem_value == 0 && outmode != VOIDmode
-	    ? hard_libcall_value (outmode) : NULL_RTX);
+	    ? hard_libcall_value (outmode, orgfun) : NULL_RTX);
 /* Stack must be properly aligned now.  */
 gcc_assert (!(stack_pointer_delta
 		& (PREFERRED_STACK_BOUNDARY / BITS_PER_UNIT - 1)));
 	    value = gen_reg_rtx (outmode);
 	  emit_group_store (value, valreg, NULL_TREE, GET_MODE_SIZE (outmode));
 	}
 else
 	{
-	  /* Convert to the proper mode if PROMOTE_MODE has been active.  */
+	  /* Convert to the proper mode if a promotion has been active.  */
 	  if (GET_MODE (valreg) != outmode)
 	    {
 	      int unsignedp = TYPE_UNSIGNED (tfom);
-	      gcc_assert (targetm.calls.promote_function_return (tfom));
+	      gcc_assert (promote_function_mode (tfom, outmode, &unsignedp,
-	      gcc_assert (promote_mode (tfom, outmode, &unsignedp, 0)
+						 fndecl ? TREE_TYPE (fndecl) : fntype, 1)
 			  == GET_MODE (valreg));
 	      valreg = convert_modes (outmode, GET_MODE (valreg), valreg, 0);
 	    }
 	  if (value != 0)
 	    emit_move_insn (value, valreg);
 	     for BLKmode is careful to avoid it.  */
 	  excess = (arg->locate.size.constant
 		    - int_size_in_bytes (TREE_TYPE (pval))
 		    + partial);
 	  size_rtx = expand_expr (size_in_bytes (TREE_TYPE (pval)),
-				  NULL_RTX, TYPE_MODE (sizetype), 0);
+				  NULL_RTX, TYPE_MODE (sizetype),
+				  EXPAND_NORMAL);
 	}
 parm_align = arg->locate.boundary;
 /* When an argument is padded down, the block is aligned to
 	  if (XEXP (x, 0) == crtl->args.internal_arg_pointer
 	      || (GET_CODE (XEXP (x, 0)) == PLUS
 		  && XEXP (XEXP (x, 0), 0) ==
 		     crtl->args.internal_arg_pointer
-		  && GET_CODE (XEXP (XEXP (x, 0), 1)) == CONST_INT))
+		  && CONST_INT_P (XEXP (XEXP (x, 0), 1))))
 	    {
 	      if (XEXP (x, 0) != crtl->args.internal_arg_pointer)
 		i = INTVAL (XEXP (XEXP (x, 0), 1));
 	      /* expand_call should ensure this.  */
 	      gcc_assert (!arg->locate.offset.var
 			  && arg->locate.size.var == 0
-			  && GET_CODE (size_rtx) == CONST_INT);
+			  && CONST_INT_P (size_rtx));
 	      if (arg->locate.offset.constant > i)
 		{
 		  if (arg->locate.offset.constant < i + INTVAL (size_rtx))
 		    sibcall_failure = 1;

Mercurial > hg > CbC > CbC_gcc

comparison gcc/calls.c @ 55:77e2b8dfacca gcc-4.4.5