[PATCH] D140045: [X86] Move RDFLAGS/WRFLAGS expansion until after RA
Bill Wendling via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Dec 14 12:26:22 PST 2022
void added inline comments.
================
Comment at: llvm/lib/Target/X86/X86InstrInfo.cpp:5075-5076
+ get(Is64Bit ? X86::PUSHF64 : X86::PUSHF32))
+ .addReg(X86::EFLAGS, RegState::Undef)
+ .addReg(X86::DF, RegState::Undef);
+ MIB->setDesc(get(Is64Bit ? X86::POP64r : X86::POP32r));
----------------
arsenm wrote:
> Are these not reserved?
Dunno. I'm going off of what the original code was doing...
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D140045/new/
https://reviews.llvm.org/D140045
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