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From: "jason at zx2c4 dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c/103252] questionable codegen with kmovd
Date: Mon, 15 Nov 2021 15:18:15 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103252

--- Comment #1 from Jason A. Donenfeld <jason at zx2c4 dot com> ---
My march=3Dnative should expand to:

-march=3Dtigerlake -mmmx -mpopcnt -msse -msse2 -msse3 -mssse3 -msse4.1 -mss=
e4.2
-mavx -mavx2 -mno-sse4a -mno-fma4 -mno-xop -mfma -mavx512f -mbmi -mbmi2 -ma=
es
-mpclmul -mavx512vl -mavx512bw -mavx512dq -mavx512cd -mno-avx512er
-mno-avx512pf -mavx512vbmi -mavx512ifma -mno-avx5124vnniw -mno-avx5124fmaps
-mavx512vpopcntdq -mavx512vbmi2 -mgfni -mvpclmulqdq -mavx512vnni -mavx512bi=
talg
-mno-avx512bf16 -mavx512vp2intersect -mno-3dnow -madx -mabm -mno-cldemote
-mclflushopt -mclwb -mno-clzero -mcx16 -mno-enqcmd -mf16c -mfsgsbase -mfxsr
-mno-hle -msahf -mno-lwp -mlzcnt -mmovbe -mmovdir64b -mmovdiri -mno-mwaitx
-mno-pconfig -mpku -mno-prefetchwt1 -mprfchw -mno-ptwrite -mrdpid -mrdrnd
-mrdseed -mno-rtm -mno-serialize -mno-sgx -msha -mshstk -mno-tbm -mno-tsxld=
trk
-mvaes -mno-waitpkg -mno-wbnoinvd -mxsave -mxsavec -mxsaveopt -mxsaves
-mno-amx-tile -mno-amx-int8 -mno-amx-bf16 -mno-uintr -mno-hreset -mno-kl
-mno-widekl -mno-avxvnni --param "l1-cache-size=3D48" --param
"l1-cache-line-size=3D64" --param "l2-cache-size=3D24576" -mtune=3Dtigerlak=
e=