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[X86] Add the FSRM feature (Fast Short Rep Mov) to Zen3.
authorHiroshi Yamauchi <yamauchi@google.com>
Mon, 11 Jan 2021 19:02:37 +0000 (11:02 -0800)
committerHiroshi Yamauchi <yamauchi@google.com>
Thu, 14 Jan 2021 18:47:33 +0000 (10:47 -0800)
commit202d359753d1f130a228c3ad52dfaabf384250d1
treefe8b384e105241e2a7199b6e997b3ae69096f765tree | snapshot
parent4fffbc150cca1638051b8ad2a20f4b8240df0869commit | diff
[X86] Add the FSRM feature (Fast Short Rep Mov) to Zen3.

Note -x86-use-fsrm-for-memcpy is still disabled by default and there's no
default behavior change.

Differential Revision: https://reviews.llvm.org/D94436
llvm/lib/Target/X86/X86.td diff | blob | history
llvm/test/CodeGen/X86/memcpy-inline-fsrm.ll diff | blob | history
Domain: System / Toolchain;