https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97585
Hongtao.liu <crazylht at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |crazylht at gmail dot com --- Comment #2 from Hongtao.liu <crazylht at gmail dot com> --- It's now documented in x86psABI Table 3.1: Micro-Architecture Levels Level Name CPU Feature Example instruction (baseline) CMOV cmov CX8 cmpxchg8b FPU fld FXSR fxsave MMX emms OSFXSR fxsave SCE syscall SSE cvtss2si SSE2 cvtpi2pd x86-64-v2 CMPXCHG16B cmpxchg16b LAHF-SAHF lahf POPCNT popcnt SSE3 addsubpd SSE4_1 blendpd SSE4_2 pcmpestri SSSE3 phaddd x86-64-v3 AVX vzeroall AVX2 vpermd BMI1 andn BMI2 bzhi F16C vcvtph2ps FMA vfmadd132pd LZCNT lzcnt MOVBE movbe OSXSAVE xgetbv x86-64-v4 AVX512F kmovw AVX512BW vdbpsadbw AVX512CD vplzcntd AVX512DQ vpmullq AVX512VL n/a