r190632 - in /branches/google/gcc-4_7: ./ gcc/ ...

[tmsriram@gcc.gnu.org]

Author: tmsriram
Date: Thu Aug 23 22:21:55 2012
New Revision: 190632

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190632
Log:
Backport runtime CPU detection from trunk in revisions: r186789,r186795,r186855,r187365,r188417

This adds new builtins __builtin_cpu_is and __builtin_cpu_supports to detect the CPU at run-time.

Refer:
http://gcc.gnu.org/onlinedocs/gcc/X86-Built_002din-Functions.html#X86-Built_002din-Functions

for a description of the builtins.

2012-08-23  Sriraman Tallam  <tmsriram@google.com>

	Backport r186789,r186795,r186855,r187365,r188417

	r186789:
	2012-04-24  Sriraman Tallam  <tmsriram@google.com>

		* config/i386/i386.c (build_processor_model_struct): New function.
		(make_var_decl): New function.
		(fold_builtin_cpu): New function.
		(ix86_fold_builtin): New function.
		(make_cpu_type_builtin): New function.
		(ix86_init_platform_type_builtins): New function.
		(ix86_expand_builtin): Expand new builtins by folding them.
		(ix86_init_builtins): Make new builtins to detect CPU type.
		(TARGET_FOLD_BUILTIN): New macro.
		(IX86_BUILTIN_CPU_INIT): New enum value.
		(IX86_BUILTIN_CPU_IS): New enum value.
		(IX86_BUILTIN_CPU_SUPPORTS): New enum value.
		* config/i386/i386-builtin-types.def: New function type.
		* testsuite/gcc.target/builtin_target.c: New testcase.
		* doc/extend.texi: Document builtins.

	r186795:
	No changes.

	r186855:
	2012-04-25  Sriraman Tallam  <tmsriram@google.com>

		* doc/extend.texi: Document avx2 support.
		* config/i386/i386.c (fold_builtin_cpu): Add avx2.
		* testsuite/gcc.target/i386/builtin_target.c: Check avx2.

	r187365:
	2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

		* doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
		Document requirement to call in constructors.

		* config/i386/i386.c: Update comments for i386-cpuinfo.c name
		change.

	r188417:
	2012-06-11  Sriraman Tallam  <tmsriram@google.com>

		* testsuite/gcc.target/i386/builtin_target.c (vendor_signatures): New enum.
		(check_intel_cpu_model): New function.
		(check_amd_cpu_model): New function.
		(check_features): New function.
		(__get_cpuid_output): New function.
		(check_detailed): New function.
		(fn1): Rename to quick_check.
		(main): Update to call quick_check and call check_detailed.

2012-08-23  Sriraman Tallam  <tmsriram@google.com>

	Backport r186789,r186795,r186855,r187365,r188417

	r186789:
	2012-04-24  Sriraman Tallam  <tmsriram@google.com>

		* libgcc/config/i386/i386-cpuinfo.c: New file.
		* libgcc/config/i386/t-cpuinfo: New file.
		* libgcc/config.host: Include t-cpuinfo.
		* libgcc/config/i386/libgcc-glibc.ver: Version symbol __cpu_model.

	r186795:
	2012-04-24  Sriraman Tallam  <tmsriram@google.com>
		* libgcc/config/i386/i386-cpuinfo.c: Set __cpu_vendor always.

	r186855:
	2012-04-25  Sriraman Tallam  <tmsriram@google.com>

		* config/i386/i386-cpuinfo.c (FEATURE_AVX2): New enum value.
		(get_available_features): New argument. Check for AVX2.
		(__cpu_indicator_init): Modify call to get_available_features.

	r187365:
	2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

		* config.host (i[34567]86-*-linux*, x86_64-*-linux*)
		(i[34567]86-*-kfreebsd*-gnu, x86_64-*-kfreebsd*-gnu)
		(i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*): Move
		i386/t-cpuinfo ...
		(i[34567]86-*-*, x86_64-*-*): ... here.

		* config/i386/libgcc-bsd.ver (GCC_4.8.0): New version.
		* config/i386/libgcc-sol2.ver (GCC_4.8.0): New version.

		* config/i386/i386-cpuinfo.c: Rename to ...
		* config/i386/cpuinfo.c: ... this.
		* config/i386/t-cpuinfo (LIB2ADD): Reflect this.

		* configure.ac (AC_CONFIG_HEADER): Call for auto-target.h.
		(libgcc_cv_init_priority): New test.
		* configure: Regenerate.
		* config.in: New file.
		* Makefile.in (clean): Rename config.h to auto-target.h.
		(config.h): Likewise.
		(stamp-h): Likewise.

		* config/i386/cpuinfo.c (auto-target.h): Include.
		(CONSTRUCTOR_PRIORITY): Define.
		(__cpu_indicator_init): Use it.

	r188417:
	2012-06-11  Sriraman Tallam  <tmsriram@google.com>

		* config/i386/libgcc-bsd.ver: Version symbol __cpu_indicator_init.
		* config/i386/libgcc-sol2.ver: Ditto.
		* config/i386/libgcc-glibc.ver: Ditto.

Added:
    branches/google/gcc-4_7/gcc/testsuite/gcc.target/i386/builtin_target.c
      - copied, changed from r186789, trunk/gcc/testsuite/gcc.target/i386/builtin_target.c
    branches/google/gcc-4_7/libgcc/config.in
      - copied unchanged from r187365, trunk/libgcc/config.in
    branches/google/gcc-4_7/libgcc/config/i386/cpuinfo.c
    branches/google/gcc-4_7/libgcc/config/i386/t-cpuinfo
Modified:
    branches/google/gcc-4_7/   (props changed)
    branches/google/gcc-4_7/gcc/   (props changed)
    branches/google/gcc-4_7/gcc/ChangeLog.google-4_7
    branches/google/gcc-4_7/gcc/config/i386/i386-builtin-types.def
    branches/google/gcc-4_7/gcc/config/i386/i386.c
    branches/google/gcc-4_7/gcc/doc/extend.texi
    branches/google/gcc-4_7/gcc/testsuite/gcc.target/powerpc/ppc-round.c   (props changed)
    branches/google/gcc-4_7/libgcc/ChangeLog.google-4_7
    branches/google/gcc-4_7/libgcc/Makefile.in
    branches/google/gcc-4_7/libgcc/config.host
    branches/google/gcc-4_7/libgcc/config/i386/libgcc-bsd.ver
    branches/google/gcc-4_7/libgcc/config/i386/libgcc-glibc.ver
    branches/google/gcc-4_7/libgcc/config/i386/libgcc-sol2.ver
    branches/google/gcc-4_7/libgcc/configure
    branches/google/gcc-4_7/libgcc/configure.ac
    branches/google/gcc-4_7/libjava/classpath/   (props changed)

Propchange: branches/google/gcc-4_7/
            ('svn:mergeinfo' modified)

Propchange: branches/google/gcc-4_7/gcc/
            ('svn:mergeinfo' modified)

Propchange: branches/google/gcc-4_7/gcc/testsuite/gcc.target/powerpc/ppc-round.c
            ('svn:mergeinfo' modified)

Propchange: branches/google/gcc-4_7/libjava/classpath/
            ('svn:mergeinfo' modified)