projects / platform / upstream / llvm.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: f59db6c) | patch
[X86] AMD Zen 3: same-reg AVX XMM VPCMP is dep breaking one-idiom
authorRoman Lebedev <lebedev.ri@gmail.com>
Mon, 10 May 2021 20:40:34 +0000 (23:40 +0300)
committerRoman Lebedev <lebedev.ri@gmail.com>
Mon, 10 May 2021 20:49:26 +0000 (23:49 +0300)
commit29532453370044a4c2ddeea130a3db1648b42aa9
treea8eb47c115f6d345c49d53b6f543e5bbd7b72379tree | snapshot
parentf59db6c4f84590aeeaf7753b8957a58cad12867bcommit | diff
[X86] AMD Zen 3: same-reg AVX XMM VPCMP is dep breaking one-idiom

As measured by exegesis, and confirmed by ref docs.
Again, it's not zero-cycle.
llvm/lib/Target/X86/X86ScheduleZnver3.td diff | blob | history
llvm/test/tools/llvm-mca/X86/Znver3/one-idioms-avx-xmm.s diff | blob | history
Domain: System / Toolchain;