skan added inline comments.
================
Comment at: llvm/lib/Target/X86/X86InstrInfo.td:3028
+ (ins i32mem:$dstsrc1, GR32:$dstsrc2, GR32:$src3, ccode:$cond),
+ "cmp${cond}xadd\t{$src3, $dst, $dstsrc1|$dstsrc1, $dst, $src3}",
+ [(set GR32:$dst, (X86cmpccxadd addr:$dstsrc1, GR32:$dstsrc2,
GR32:$src3, timm:$cond))]>,
----------------
+1 for craig. Usually if the input is tied to ouput, it should be the 1st
input. These two instructions use a new Format MRMDestMem4VOp3CC rather than an
existing one, I belive it won't increase the complexity.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D135933/new/
https://reviews.llvm.org/D135933
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