obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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files in the upstream repository.

1 files changed, 425 insertions, 0 deletions

diff --git a/gcc/config/i386/i386.opt b/gcc/config/i386/i386.opt
new file mode 100644
index 000000000..fe5949f3b
--- /dev/null
+++ b/gcc/config/i386/i386.opt
@@ -0,0 +1,425 @@
+; Options for the IA-32 and AMD64 ports of the compiler.
+
+; Copyright (C) 2005, 2006, 2007, 2008, 2009,
+; 2010, 2011 Free Software Foundation, Inc.
+;
+; This file is part of GCC.
+;
+; GCC is free software; you can redistribute it and/or modify it under
+; the terms of the GNU General Public License as published by the Free
+; Software Foundation; either version 3, or (at your option) any later
+; version.
+;
+; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+; WARRANTY; without even the implied warranty of MERCHANTABILITY or
+; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+; for more details.
+;
+; You should have received a copy of the GNU General Public License
+; along with GCC; see the file COPYING3.  If not see
+; <http://www.gnu.org/licenses/>.
+
+; Bit flags that specify the ISA we are compiling for.
+Variable
+int ix86_isa_flags = TARGET_64BIT_DEFAULT | TARGET_SUBTARGET_ISA_DEFAULT
+
+;; Definitions to add to the cl_target_option structure
+;; -march= processor
+TargetSave
+unsigned char arch
+
+;; -mtune= processor
+TargetSave
+unsigned char tune
+
+;; -mfpath=
+TargetSave
+unsigned char fpmath
+
+;; CPU schedule model
+TargetSave
+unsigned char schedule
+
+;; branch cost
+TargetSave
+unsigned char branch_cost
+
+;; which flags were passed by the user
+TargetSave
+int ix86_isa_flags_explicit
+
+;; which flags were passed by the user
+TargetSave
+int ix86_target_flags_explicit
+
+;; whether -mtune was not specified
+TargetSave
+unsigned char tune_defaulted
+
+;; whether -march was specified
+TargetSave
+unsigned char arch_specified
+
+;; x86 options
+m128bit-long-double
+Target RejectNegative Report Mask(128BIT_LONG_DOUBLE) Save
+sizeof(long double) is 16
+
+m80387
+Target Report Mask(80387) Save
+Use hardware fp
+
+m96bit-long-double
+Target RejectNegative Report InverseMask(128BIT_LONG_DOUBLE) Save
+sizeof(long double) is 12
+
+maccumulate-outgoing-args
+Target Report Mask(ACCUMULATE_OUTGOING_ARGS) Save
+Reserve space for outgoing arguments in the function prologue
+
+malign-double
+Target Report Mask(ALIGN_DOUBLE) Save
+Align some doubles on dword boundary
+
+malign-functions=
+Target RejectNegative Joined Var(ix86_align_funcs_string)
+Function starts are aligned to this power of 2
+
+malign-jumps=
+Target RejectNegative Joined Var(ix86_align_jumps_string)
+Jump targets are aligned to this power of 2
+
+malign-loops=
+Target RejectNegative Joined Var(ix86_align_loops_string)
+Loop code aligned to this power of 2
+
+malign-stringops
+Target RejectNegative Report InverseMask(NO_ALIGN_STRINGOPS, ALIGN_STRINGOPS) Save
+Align destination of the string operations
+
+march=
+Target RejectNegative Joined Var(ix86_arch_string)
+Generate code for given CPU
+
+masm=
+Target RejectNegative Joined Var(ix86_asm_string)
+Use given assembler dialect
+
+mbranch-cost=
+Target RejectNegative Joined Var(ix86_branch_cost_string)
+Branches are this expensive (1-5, arbitrary units)
+
+mlarge-data-threshold=
+Target RejectNegative Joined Var(ix86_section_threshold_string)
+Data greater than given threshold will go into .ldata section in x86-64 medium model
+
+mcmodel=
+Target RejectNegative Joined Var(ix86_cmodel_string)
+Use given x86-64 code model
+
+mcpu=
+Target RejectNegative Joined Undocumented Alias(mtune=) Warn(%<-mcpu=%> is deprecated; use %<-mtune=%> or %<-march=%> instead)
+
+mfancy-math-387
+Target RejectNegative Report InverseMask(NO_FANCY_MATH_387, USE_FANCY_MATH_387) Save
+Generate sin, cos, sqrt for FPU
+
+mforce-drap
+Target Report Var(ix86_force_drap)
+Always use Dynamic Realigned Argument Pointer (DRAP) to realign stack
+
+mfp-ret-in-387
+Target Report Mask(FLOAT_RETURNS) Save
+Return values of functions in FPU registers
+
+mfpmath=
+Target RejectNegative Joined Var(ix86_fpmath_string)
+Generate floating point mathematics using given instruction set
+
+mhard-float
+Target RejectNegative Mask(80387) MaskExists Save
+Use hardware fp
+
+mieee-fp
+Target Report Mask(IEEE_FP) Save
+Use IEEE math for fp comparisons
+
+minline-all-stringops
+Target Report Mask(INLINE_ALL_STRINGOPS) Save
+Inline all known string operations
+
+minline-stringops-dynamically
+Target Report Mask(INLINE_STRINGOPS_DYNAMICALLY) Save
+Inline memset/memcpy string operations, but perform inline version only for small blocks
+
+mintel-syntax
+Target Undocumented Alias(masm=, intel, att) Warn(%<-mintel-syntax%> and %<-mno-intel-syntax%> are deprecated; use %<-masm=intel%> and %<-masm=att%> instead)
+;; Deprecated
+
+mms-bitfields
+Target Report Mask(MS_BITFIELD_LAYOUT) Save
+Use native (MS) bitfield layout
+
+mno-align-stringops
+Target RejectNegative Report Mask(NO_ALIGN_STRINGOPS) Undocumented Save
+
+mno-fancy-math-387
+Target RejectNegative Report Mask(NO_FANCY_MATH_387) Undocumented Save
+
+mno-push-args
+Target RejectNegative Report Mask(NO_PUSH_ARGS) Undocumented Save
+
+mno-red-zone
+Target RejectNegative Report Mask(NO_RED_ZONE) Undocumented Save
+
+momit-leaf-frame-pointer
+Target Report Mask(OMIT_LEAF_FRAME_POINTER) Save
+Omit the frame pointer in leaf functions
+
+mpc
+Target RejectNegative Report Joined Var(ix87_precision_string)
+Set 80387 floating-point precision (-mpc32, -mpc64, -mpc80)
+
+mpreferred-stack-boundary=
+Target RejectNegative Joined Var(ix86_preferred_stack_boundary_string)
+Attempt to keep stack aligned to this power of 2
+
+mincoming-stack-boundary=
+Target RejectNegative Joined Var(ix86_incoming_stack_boundary_string)
+Assume incoming stack aligned to this power of 2
+
+mpush-args
+Target Report InverseMask(NO_PUSH_ARGS, PUSH_ARGS) Save
+Use push instructions to save outgoing arguments
+
+mred-zone
+Target RejectNegative Report InverseMask(NO_RED_ZONE, RED_ZONE) Save
+Use red-zone in the x86-64 code
+
+mregparm=
+Target RejectNegative Joined Var(ix86_regparm_string)
+Number of registers used to pass integer arguments
+
+mrtd
+Target Report Mask(RTD) Save
+Alternate calling convention
+
+msoft-float
+Target InverseMask(80387) Save
+Do not use hardware fp
+
+msseregparm
+Target RejectNegative Mask(SSEREGPARM) Save
+Use SSE register passing conventions for SF and DF mode
+
+mstackrealign
+Target Report Var(ix86_force_align_arg_pointer) Init(-1)
+Realign stack in prologue
+
+mstack-arg-probe
+Target Report Mask(STACK_PROBE) Save
+Enable stack probing
+
+mstringop-strategy=
+Target RejectNegative Joined Var(ix86_stringop_string)
+Chose strategy to generate stringop using
+
+mtls-dialect=
+Target RejectNegative Joined Var(ix86_tls_dialect_string)
+Use given thread-local storage dialect
+
+mtls-direct-seg-refs
+Target Report Mask(TLS_DIRECT_SEG_REFS)
+Use direct references against %gs when accessing tls data
+
+mtune=
+Target RejectNegative Joined Var(ix86_tune_string)
+Schedule code for given CPU
+
+mabi=
+Target RejectNegative Joined Var(ix86_abi_string)
+Generate code that conforms to the given ABI
+
+mveclibabi=
+Target RejectNegative Joined Var(ix86_veclibabi_string)
+Vector library ABI to use
+
+mvect8-ret-in-mem
+Target Report Mask(VECT8_RETURNS) Save
+Return 8-byte vectors in memory
+
+mrecip
+Target Report Mask(RECIP) Save
+Generate reciprocals instead of divss and sqrtss.
+
+mcld
+Target Report Mask(CLD) Save
+Generate cld instruction in the function prologue.
+
+mvzeroupper
+Target Report Mask(VZEROUPPER) Save
+Generate vzeroupper instruction before a transfer of control flow out of
+the function.
+
+mdispatch-scheduler
+Target RejectNegative Var(flag_dispatch_scheduler)
+Do dispatch scheduling if processor is bdver1 and Haifa scheduling
+is selected.
+
+mprefer-avx128
+Target Report Mask(PREFER_AVX128) SAVE
+Use 128-bit AVX instructions instead of 256-bit AVX instructions in the auto-vectorizer.
+
+;; ISA support
+
+m32
+Target RejectNegative Negative(m64) Report InverseMask(ISA_64BIT) Var(ix86_isa_flags) Save
+Generate 32bit i386 code
+
+m64
+Target RejectNegative Negative(m32) Report Mask(ISA_64BIT) Var(ix86_isa_flags) Save
+Generate 64bit x86-64 code
+
+mmmx
+Target Report Mask(ISA_MMX) Var(ix86_isa_flags) Save
+Support MMX built-in functions
+
+m3dnow
+Target Report Mask(ISA_3DNOW) Var(ix86_isa_flags) Save
+Support 3DNow! built-in functions
+
+m3dnowa
+Target Undocumented Mask(ISA_3DNOW_A) Var(ix86_isa_flags) Save
+Support Athlon 3Dnow! built-in functions
+
+msse
+Target Report Mask(ISA_SSE) Var(ix86_isa_flags) Save
+Support MMX and SSE built-in functions and code generation
+
+msse2
+Target Report Mask(ISA_SSE2) Var(ix86_isa_flags) Save
+Support MMX, SSE and SSE2 built-in functions and code generation
+
+msse3
+Target Report Mask(ISA_SSE3) Var(ix86_isa_flags) Save
+Support MMX, SSE, SSE2 and SSE3 built-in functions and code generation
+
+mssse3
+Target Report Mask(ISA_SSSE3) Var(ix86_isa_flags) Save
+Support MMX, SSE, SSE2, SSE3 and SSSE3 built-in functions and code generation
+
+msse4.1
+Target Report Mask(ISA_SSE4_1) Var(ix86_isa_flags) Save
+Support MMX, SSE, SSE2, SSE3, SSSE3 and SSE4.1 built-in functions and code generation
+
+msse4.2
+Target Report Mask(ISA_SSE4_2) Var(ix86_isa_flags) Save
+Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1 and SSE4.2 built-in functions and code generation
+
+msse4
+Target RejectNegative Report Mask(ISA_SSE4_2) MaskExists Var(ix86_isa_flags) Save
+Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1 and SSE4.2 built-in functions and code generation
+
+mno-sse4
+Target RejectNegative Report InverseMask(ISA_SSE4_1) MaskExists Var(ix86_isa_flags) Save
+Do not support SSE4.1 and SSE4.2 built-in functions and code generation
+
+msse5
+Target Undocumented Alias(mavx) Warn(%<-msse5%> was removed)
+;; Deprecated
+
+mavx
+Target Report Mask(ISA_AVX) Var(ix86_isa_flags) Save
+Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2 and AVX built-in functions and code generation
+
+mfma
+Target Report Mask(ISA_FMA) Var(ix86_isa_flags) Save
+Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX and FMA built-in functions and code generation
+
+msse4a
+Target Report Mask(ISA_SSE4A) Var(ix86_isa_flags) Save
+Support MMX, SSE, SSE2, SSE3 and SSE4A built-in functions and code generation
+
+mfma4
+Target Report Mask(ISA_FMA4) Var(ix86_isa_flags) Save
+Support FMA4 built-in functions and code generation 
+
+mxop
+Target Report Mask(ISA_XOP) Var(ix86_isa_flags) Save
+Support XOP built-in functions and code generation 
+
+mlwp
+Target Report Mask(ISA_LWP) Var(ix86_isa_flags) Save
+Support LWP built-in functions and code generation 
+
+mabm
+Target Report Mask(ISA_ABM) Var(ix86_isa_flags) Save
+Support code generation of Advanced Bit Manipulation (ABM) instructions.
+
+mpopcnt
+Target Report Mask(ISA_POPCNT) Var(ix86_isa_flags) Save
+Support code generation of popcnt instruction.
+
+mbmi
+Target Report Mask(ISA_BMI) Var(ix86_isa_flags) Save
+Support BMI built-in functions and code generation
+
+mtbm
+Target Report Mask(ISA_TBM) Var(ix86_isa_flags) Save
+Support TBM built-in functions and code generation
+
+mcx16
+Target Report Mask(ISA_CX16) Var(ix86_isa_flags) Save
+Support code generation of cmpxchg16b instruction.
+
+msahf
+Target Report Mask(ISA_SAHF) Var(ix86_isa_flags) Save
+Support code generation of sahf instruction in 64bit x86-64 code.
+
+mmovbe
+Target Report Mask(ISA_MOVBE) Var(ix86_isa_flags) Save
+Support code generation of movbe instruction.
+
+mcrc32
+Target Report Mask(ISA_CRC32) Var(ix86_isa_flags) Save
+Support code generation of crc32 instruction.
+
+maes
+Target Report Mask(ISA_AES) Var(ix86_isa_flags) Save
+Support AES built-in functions and code generation
+
+mpclmul
+Target Report Mask(ISA_PCLMUL) Var(ix86_isa_flags) Save
+Support PCLMUL built-in functions and code generation
+
+msse2avx
+Target Report Var(ix86_sse2avx)
+Encode SSE instructions with VEX prefix
+
+mfsgsbase
+Target Report Mask(ISA_FSGSBASE) Var(ix86_isa_flags) Save
+Support FSGSBASE built-in functions and code generation
+
+mrdrnd
+Target Report Mask(ISA_RDRND) Var(ix86_isa_flags) Save
+Support RDRND built-in functions and code generation
+
+mf16c
+Target Report Mask(ISA_F16C) Var(ix86_isa_flags) Save
+Support F16C built-in functions and code generation
+
+mfentry
+Target Report Var(flag_fentry) Init(-1)
+Emit profiling counter call at function entry before prologue.
+
+m8bit-idiv
+Target Report Mask(USE_8BIT_IDIV) Save
+Expand 32bit/64bit integer divide into 8bit unsigned integer divide with run-time check
+
+mavx256-split-unaligned-load
+Target Report Mask(AVX256_SPLIT_UNALIGNED_LOAD) Save
+Split 32-byte AVX unaligned load
+
+mavx256-split-unaligned-store
+Target Report Mask(AVX256_SPLIT_UNALIGNED_STORE) Save
+Split 32-byte AVX unaligned store