From 06caf59d7ff9f9f97718a96cb23da50e5ba5edd8 Mon Sep 17 00:00:00 2001 From: Kirill Yukhin Date: Tue, 22 Sep 2015 11:10:21 +0000 Subject: AVX-512. Introduce SKylake server CPU. gcc/ * config.gcc: Support "skylake-avx512". * config/i386/i386-c.c (ix86_target_macros_internal): Handle PROCESSOR_SKYLAKE_AVX512. * config/i386/i386.c (m_SKYLAKE_AVX512): Define. (processor_target_table): Add "skylake-avx512". (PTA_SKYLAKE_AVX512): Define. (ix86_option_override_internal): Add "skylake_avx512". (fold_builtin_cpu): Handle "skylake_avx512", add F_AVX512VL F_AVX512BW, F_AVX512DQ, F_AVX512ER, F_AVX512PF, F_AVX512CD. * config/i386/i386.h (TARGET_SKYLAKE_AVX512): Define. (processor_type): Add PROCESSOR_SKYLAKE_AVX512. * doc/invoke.texi (skylake-avx512): New. libgcc/ * libgcc/config/i386/cpuinfo.c (enum processor_features): Add FEATURE_AVX512VL, FEATURE_AVX512BW, FEATURE_AVX512DQ, FEATURE_AVX512CD, FEATURE_AVX512ER, FEATURE_AVX512PF. (get_available_features): Habdle new features. gcc/testsuite/ * gcc.target/i386/funcspec-5.c: Test avx512vl, avx512bw, avx512dq, avx512cd, avx512er, avx512pf and skylake-avx512. * gcc.target/i386/builtin_target.c: Test avx512vl, avx512bw, avx512dq, avx512cd, avx512er and avx512pf. From-SVN: r228009 --- libgcc/ChangeLog | 7 +++++++ libgcc/config/i386/cpuinfo.c | 22 ++++++++++++++++++++-- 2 files changed, 27 insertions(+), 2 deletions(-) (limited to 'libgcc') diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 6d2d9eb..878c29f 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,10 @@ +2015-09-22 Kirill Yukhin + + * libgcc/config/i386/cpuinfo.c (enum processor_features): Add + FEATURE_AVX512VL, FEATURE_AVX512BW, FEATURE_AVX512DQ, + FEATURE_AVX512CD, FEATURE_AVX512ER, FEATURE_AVX512PF. + (get_available_features): Habdle new features. + 2015-09-21 James Bowman * config/ft32/crti-hw.S: Use __PMSIZE to allow configurable diff --git a/libgcc/config/i386/cpuinfo.c b/libgcc/config/i386/cpuinfo.c index 1436775..ddb49e3 100644 --- a/libgcc/config/i386/cpuinfo.c +++ b/libgcc/config/i386/cpuinfo.c @@ -81,7 +81,7 @@ enum processor_subtypes CPU_SUBTYPE_MAX }; -/* ISA Features supported. */ +/* ISA Features supported. New features have to be inserted at the end. */ enum processor_features { @@ -104,7 +104,13 @@ enum processor_features FEATURE_BMI, FEATURE_BMI2, FEATURE_AES, - FEATURE_PCLMUL + FEATURE_PCLMUL, + FEATURE_AVX512VL, + FEATURE_AVX512BW, + FEATURE_AVX512DQ, + FEATURE_AVX512CD, + FEATURE_AVX512ER, + FEATURE_AVX512PF }; struct __processor_model @@ -318,6 +324,18 @@ get_available_features (unsigned int ecx, unsigned int edx, features |= (1 << FEATURE_BMI2); if (ebx & bit_AVX512F) features |= (1 << FEATURE_AVX512F); + if (ebx & bit_AVX512VL) + features |= (1 << FEATURE_AVX512VL); + if (ebx & bit_AVX512BW) + features |= (1 << FEATURE_AVX512BW); + if (ebx & bit_AVX512DQ) + features |= (1 << FEATURE_AVX512DQ); + if (ebx & bit_AVX512CD) + features |= (1 << FEATURE_AVX512CD); + if (ebx & bit_AVX512PF) + features |= (1 << FEATURE_AVX512PF); + if (ebx & bit_AVX512ER) + features |= (1 << FEATURE_AVX512ER); } unsigned int ext_level; -- cgit v1.1