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  1. 25 Apr, 2012 2 commits
    • Daily bump. · 6e58c9ab 
      From-SVN: r186793
      GCC Administrator committed
    • This patch adds new builtins to check for cpu type and features. · 792317cc 
      2012-04-24  Sriraman Tallam  <tmsriram@google.com>

This patch adds new builtins to check for cpu type and features. 

* __builtin_cpu_is ("<CPUNAME>")
* __builtin_cpu_supports ("<FEATURE>")

apart from the cpu init builtin, __builtin_cpu_init.

List of CPU names :

* "amd"
* "intel"
* "atom"
* "core2"
* "corei7"
* "nehalem"
* "westmere"
* "sandybridge"
* "amdfam10h"
* "barcelona"
* "shanghai"
* "istanbul"
* "bdver1"
* "bdver2"

List of CPU features :

* "cmov"
* "mmx"
* "popcnt"
* "sse"
* "sse2"
* "sse3"
* "ssse3"
* "sse4.1"
* "sse4.2"
* "avx"

        * 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.

        * 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.

From-SVN: r186789
      Sriraman Tallam committed
  3. 24 Apr, 2012 33 commits
  5. 23 Apr, 2012 5 commits
    • noexcept15.C: Adjust for Rev 186726 library changes. · 88e293fa 
      2012-04-23  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/cpp0x/noexcept15.C: Adjust for Rev 186726 library changes.

From-SVN: r186730
      Paolo Carlini committed
    • Check if MASK_/TARGET_ macros defined for extra_masks · eefdb8e6 
      2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/52878
	* opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
	extra_masks.

From-SVN: r186729
      H.J. Lu committed
    • go-lang.c (go_langhook_init): Set MPFR precision to 256. · 1ec20ea1 
      	* go-lang.c (go_langhook_init): Set MPFR precision to 256.

time: Adjust float expression so that it first integer context.

From-SVN: r186727
      Ian Lance Taylor committed
    • type_traits (is_nothrow_destructible): Implement. · 62fa805f 
      2012-04-23  Daniel Krugler  <daniel.kruegler@googlemail.com>

	* include/std/type_traits (is_nothrow_destructible): Implement.
	(is_destructible): Implement LWG 2049.
	* testsuite/util/testsuite_tr1.h: Add tests.
	* testsuite/20_util/is_nothrow_destructible/value.cc: New.
	* testsuite/20_util/is_nothrow_destructible/requirements/typedefs.cc:
	* testsuite/20_util/is_nothrow_destructible/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/is_destructible/value.cc: Adjust and extend.
	* testsuite/20_util/is_default_constructible/value.cc: Tweak.
	* testsuite/20_util/is_constructible/value-2.cc: Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
	dg-error line numbers.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/declval/requirements/1_neg.cc: Likewise.

From-SVN: r186726
      Daniel Krugler committed
    • i386.md (*add<mode>_2): Add r/r/0 alternative. · 025735b7 
      	* config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
	(*addsi_2_zext): Ditto.
	(*add<mode>_3): Ditto.
	(*addsi_3_zext): Ditto.
	(*add<mode>_5): Ditto.

From-SVN: r186725
      Uros Bizjak committed