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Merge pull request #8565 from rooty0/feat/custom_cpu_flags

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Custom cpu features support for x86_64
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Christian Hewitt 2024-01-31 10:37:17 +04:00 committed by GitHub
commit 1acca00cc9
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1 changed files with 11 additions and 11 deletions
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22
config/arch.x86_64
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@ -15,16 +15,16 @@
# build with microarchitecture feature support defined by the TARGET_CPU value
# see https://gitlab.com/x86-psABIs/x86-64-ABI/-/wikis/home for further details
TARGET_FEATURES="64bit cmov cx8 fpu fxsr mmx osfxsr sce sse sse2"
TARGET_FEATURES_X86_64_V2="cmpxchg16b lahf-sahf popcnt sse3 sse4_1 sse4_2 ssse3"
TARGET_FEATURES_X86_64_V3="avx avx2 bmi1 bmi2 f16c fma lzcnt movbe osxsave"
if [ "${TARGET_CPU}" = "x86-64" ]; then
TARGET_FEATURES+=" no_sahf"
elif [ "${TARGET_CPU}" = "x86-64-v2" ]; then
TARGET_FEATURES+=" ${TARGET_FEATURES_X86_64_V2}"
elif [ "${TARGET_CPU}" = "x86-64-v3" ]; then
TARGET_FEATURES+=" ${TARGET_FEATURES_X86_64_V2} ${TARGET_FEATURES_X86_64_V3}"
else
TARGET_FEATURES+=" UNKNOWN_ADDITIONAL_CPU_SPECIFIC_FEATURES"
if [ -z "${TARGET_FEATURES}" ]; then
TARGET_FEATURES="64bit cmov cx8 fpu fxsr mmx osfxsr sce sse sse2"
TARGET_FEATURES_X86_64_V2="cmpxchg16b lahf-sahf popcnt sse3 sse4_1 sse4_2 ssse3"
TARGET_FEATURES_X86_64_V3="avx avx2 bmi1 bmi2 f16c fma lzcnt movbe osxsave"
if [ "${TARGET_CPU}" = "x86-64" ]; then
TARGET_FEATURES+=" no_sahf"
elif [ "${TARGET_CPU}" = "x86-64-v2" ]; then
TARGET_FEATURES+=" ${TARGET_FEATURES_X86_64_V2}"
elif [ "${TARGET_CPU}" = "x86-64-v3" ]; then
TARGET_FEATURES+=" ${TARGET_FEATURES_X86_64_V2} ${TARGET_FEATURES_X86_64_V3}"
fi
fi
TARGET_FEATURES="$(echo ${TARGET_FEATURES} | xargs -n1 | sort -u | xargs)"