Add -mavx2.
2011-08-18 Kirill Yukhin <kirill.yukhin@intel.com>
* common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX2_SET): New.
(OPTION_MASK_ISA_AVX_UNSET): Update.
(OPTION_MASK_ISA_AVX2_UNSET): New.
(ix86_handle_option): Handle OPT_mavx2 case.
* config/i386/cpuid.h (bit_AVX2): New.
* config/i386/driver-i386.c (host_detect_local_cpu): Detect
AVX2 feature.
* config/i386/i386-c.c (ix86_target_macros_internal):
Conditionally define __AVX2__.
* config/i386/i386.c (ix86_option_override_internal): Define
PTA_AVX2. Define "core-avx2" processor alias. Handle avx2
option.
(ix86_valid_target_attribute_inner_p): Handle avx2 option.
* config/i386/i386.h (TARGET_AVX2): New.
* config/i386/i386.opt (mavx2): New.
* doc/invoke.texi: Document -mavx2.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@177876
138bc75d-0d04-0410-961f-
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