[PATCH v4] BZ #14059 - Fix AVX and FMA4 detection.

[Jeff Law]

On 05/16/2012 09:31 PM, Carlos O'Donell wrote:
>
>> 2012-05-16  Andreas Jaeger<aj@suse.de>
>>             Carlos O'Donell<carlos_odonell@mentor.com>
>>
>>         [BZ #14059]
>>         * sysdeps/x86_64/multiarch/init-arch.h
>>         (bit_YMM_Usable): Rename to...
>>         (bit_AVX_Usable): ... this.
>>         (bit_FMA4_Usable): New macro.
>>         (bit_XMM_state): New macro.
>>         (bit_YMM_state): New macro.
>>         [__ASSEMBLER__] (index_YMM_Usable): Rename to...
>>         [__ASSEMBLER__] (index_AVX_Usable): ... this.
>>         [__ASSEMBLER__] (index_FMA4_Usable): New macro.
>>         (CPUID_OSXSAVE): New macro.
>>         (CPUID_AVX): New macro.
>>         (CPUID_FMA4): New macro.
>>         (index_YMM_Usable): Rename to...
>>         (index_AVX_Usable): ... this.
>>         (HAS_AVX): Use HAS_ARCH_FEATURE.
>>         (HAS_FMA4): Likewise.
>>         (HAS_YMM_USABLE): Remove.
>>         * sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features):
>>         Enable AVX or FMA4 IFF YMM and XMM states are usable and the features
>>         are present.
>>         * sysdeps/x86_64/multiarch/strcmp.S: Use bit_AVX_Usable.
>>         * sysdeps/i386/i686/multiarch/Makefile: Add test-multiarch to tests.
>>         * sysdeps/x86_64/multiarch/Makefile: Likewise.
>>         * sysdeps/i386/i686/multiarch/test-multiarch.c: New file.
>>         * sysdeps/x86_64/multiarch/test-multiarch.c: New file.
>
> Patch attached to avoid mailer mangling on forwarding.
I know it's late, but this version is working fine in Fedora Rawhide. 
Local hacks removed, goodness :-)

Thanks for sorting through this stuff.

Jeff