--- a/gcc/config/ia64/ia64.opt	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/config/ia64/ia64.opt	Fri Oct 27 22:46:09 2017 +0900
@@ -1,4 +1,4 @@
-; Copyright (C) 2005, 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
+; Copyright (C) 2005-2017 Free Software Foundation, Inc.
 ;
 ; This file is part of GCC.
 ;
@@ -16,166 +16,181 @@
 ; along with GCC; see the file COPYING3.  If not see
 ; <http://www.gnu.org/licenses/>.
 
+HeaderInclude
+config/ia64/ia64-opts.h
+
+; Which cpu are we scheduling for.
+Variable
+enum processor_type ia64_tune = PROCESSOR_ITANIUM2
+
 mbig-endian
 Target Report RejectNegative Mask(BIG_ENDIAN)
-Generate big endian code
+Generate big endian code.
 
 mlittle-endian
 Target Report RejectNegative InverseMask(BIG_ENDIAN)
-Generate little endian code
+Generate little endian code.
 
 mgnu-as
 Target Report Mask(GNU_AS)
-Generate code for GNU as
+Generate code for GNU as.
 
 mgnu-ld
 Target Report Mask(GNU_LD)
-Generate code for GNU ld
+Generate code for GNU ld.
 
 mvolatile-asm-stop
 Target Report Mask(VOL_ASM_STOP)
-Emit stop bits before and after volatile extended asms
+Emit stop bits before and after volatile extended asms.
 
 mregister-names
 Target Mask(REG_NAMES)
-Use in/loc/out register names
+Use in/loc/out register names.
 
 mno-sdata
 Target Report RejectNegative Mask(NO_SDATA)
 
 msdata
 Target Report RejectNegative InverseMask(NO_SDATA)
-Enable use of sdata/scommon/sbss
+Enable use of sdata/scommon/sbss.
 
 mno-pic
 Target Report RejectNegative Mask(NO_PIC)
-Generate code without GP reg
+Generate code without GP reg.
 
 mconstant-gp
 Target Report RejectNegative Mask(CONST_GP)
-gp is constant (but save/restore gp on indirect calls)
+gp is constant (but save/restore gp on indirect calls).
 
 mauto-pic
 Target Report RejectNegative Mask(AUTO_PIC)
-Generate self-relocatable code
+Generate self-relocatable code.
 
 minline-float-divide-min-latency
 Target Report RejectNegative Var(TARGET_INLINE_FLOAT_DIV, 1)
-Generate inline floating point division, optimize for latency
+Generate inline floating point division, optimize for latency.
 
 minline-float-divide-max-throughput
 Target Report RejectNegative Var(TARGET_INLINE_FLOAT_DIV, 2) Init(2)
-Generate inline floating point division, optimize for throughput
+Generate inline floating point division, optimize for throughput.
 
 mno-inline-float-divide
 Target Report RejectNegative Var(TARGET_INLINE_FLOAT_DIV, 0)
 
 minline-int-divide-min-latency
 Target Report RejectNegative Var(TARGET_INLINE_INT_DIV, 1)
-Generate inline integer division, optimize for latency
+Generate inline integer division, optimize for latency.
 
 minline-int-divide-max-throughput
 Target Report RejectNegative Var(TARGET_INLINE_INT_DIV, 2)
-Generate inline integer division, optimize for throughput
+Generate inline integer division, optimize for throughput.
 
 mno-inline-int-divide
 Target Report RejectNegative Var(TARGET_INLINE_INT_DIV, 0)
-Do not inline integer division
+Do not inline integer division.
 
 minline-sqrt-min-latency
 Target Report RejectNegative Var(TARGET_INLINE_SQRT, 1)
-Generate inline square root, optimize for latency
+Generate inline square root, optimize for latency.
 
 minline-sqrt-max-throughput
 Target Report RejectNegative Var(TARGET_INLINE_SQRT, 2)
-Generate inline square root, optimize for throughput
+Generate inline square root, optimize for throughput.
 
 mno-inline-sqrt
 Target Report RejectNegative Var(TARGET_INLINE_SQRT, 0)
-Do not inline square root
+Do not inline square root.
 
 mdwarf2-asm
 Target Report Mask(DWARF2_ASM)
-Enable Dwarf 2 line debug info via GNU as
+Enable DWARF line debug info via GNU as.
 
 mearly-stop-bits
 Target Report Mask(EARLY_STOP_BITS)
-Enable earlier placing stop bits for better scheduling
+Enable earlier placing stop bits for better scheduling.
 
 mfixed-range=
-Target RejectNegative Joined
-Specify range of registers to make fixed
+Target RejectNegative Joined Var(ia64_deferred_options) Defer
+Specify range of registers to make fixed.
 
 mtls-size=
 Target RejectNegative Joined UInteger Var(ia64_tls_size) Init(22)
-Specify bit size of immediate TLS offsets
+Specify bit size of immediate TLS offsets.
 
 mtune=
-Target RejectNegative Joined
-Schedule code for given CPU
+Target RejectNegative Joined Enum(ia64_tune) Var(ia64_tune)
+Schedule code for given CPU.
+
+Enum
+Name(ia64_tune) Type(enum processor_type)
+Known Itanium CPUs (for use with the -mtune= option):
+
+EnumValue
+Enum(ia64_tune) String(itanium2) Value(PROCESSOR_ITANIUM2)
+
+EnumValue
+Enum(ia64_tune) String(mckinley) Value(PROCESSOR_ITANIUM2)
 
 msched-br-data-spec
 Target Report Var(mflag_sched_br_data_spec) Init(0)
-Use data speculation before reload
+Use data speculation before reload.
 
 msched-ar-data-spec
 Target Report Var(mflag_sched_ar_data_spec) Init(1)
-Use data speculation after reload
+Use data speculation after reload.
 
 msched-control-spec
 Target Report Var(mflag_sched_control_spec) Init(2)
-Use control speculation
+Use control speculation.
 
 msched-br-in-data-spec
 Target Report Var(mflag_sched_br_in_data_spec) Init(1)
-Use in block data speculation before reload
+Use in block data speculation before reload.
 
 msched-ar-in-data-spec
 Target Report Var(mflag_sched_ar_in_data_spec) Init(1)
-Use in block data speculation after reload
+Use in block data speculation after reload.
 
 msched-in-control-spec
 Target Report Var(mflag_sched_in_control_spec) Init(1)
-Use in block control speculation
+Use in block control speculation.
 
 msched-spec-ldc
 Target Report Var(mflag_sched_spec_ldc) Init(1)
-Use simple data speculation check
+Use simple data speculation check.
 
 msched-spec-control-ldc
 Target Report Var(mflag_sched_spec_control_ldc) Init(0)
-Use simple data speculation check for control speculation
+Use simple data speculation check for control speculation.
 
 msched-prefer-non-data-spec-insns
-Target Report Var(mflag_sched_prefer_non_data_spec_insns) Init(0)
-If set, data speculative instructions will be chosen for schedule only if there are no other choices at the moment 
+Target Ignore Warn(switch %qs is no longer supported)
 
 msched-prefer-non-control-spec-insns
-Target Report Var(mflag_sched_prefer_non_control_spec_insns) Init(0)
-If set, control speculative instructions will be chosen for schedule only if there are no other choices at the moment 
+Target Ignore Warn(switch %qs is no longer supported)
 
 msched-count-spec-in-critical-path
 Target Report Var(mflag_sched_count_spec_in_critical_path) Init(0)
-Count speculative dependencies while calculating priority of instructions
+Count speculative dependencies while calculating priority of instructions.
 
 msched-stop-bits-after-every-cycle
 Target Report Var(mflag_sched_stop_bits_after_every_cycle) Init(1)
-Place a stop bit after every cycle when scheduling
+Place a stop bit after every cycle when scheduling.
 
 msched-fp-mem-deps-zero-cost
 Target Report Var(mflag_sched_fp_mem_deps_zero_cost) Init(0)
-Assume that floating-point stores and loads are not likely to cause conflict when placed into one instruction group
+Assume that floating-point stores and loads are not likely to cause conflict when placed into one instruction group.
 
 msched-max-memory-insns=
 Target RejectNegative Joined UInteger Var(ia64_max_memory_insns) Init(1)
-Soft limit on number of memory insns per instruction group, giving lower priority to subsequent memory insns attempting to schedule in the same insn group. Frequently useful to prevent cache bank conflicts.  Default value is 1
+Soft limit on number of memory insns per instruction group, giving lower priority to subsequent memory insns attempting to schedule in the same insn group. Frequently useful to prevent cache bank conflicts.  Default value is 1.
 
 msched-max-memory-insns-hard-limit
 Target Report Var(mflag_sched_mem_insns_hard_limit) Init(0)
-Disallow more than 'msched-max-memory-insns' in instruction group. Otherwise, limit is 'soft' (prefer non-memory operations when limit is reached)
+Disallow more than 'msched-max-memory-insns' in instruction group. Otherwise, limit is 'soft' (prefer non-memory operations when limit is reached).
 
 msel-sched-dont-check-control-spec
 Target Report Var(mflag_sel_sched_dont_check_control_spec) Init(0)
-Don't generate checks for control speculation in selective scheduling
+Don't generate checks for control speculation in selective scheduling.
 
 ; This comment is to ensure we retain the blank line above.