[PATCH] D45486: [X86][Atom] Convert Atom scheduler model to SchedRW (PR32431)
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 10 21:47:03 PDT 2018
craig.topper added inline comments.
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Comment at: test/CodeGen/X86/sse-schedule.ll:6135
; ATOM-NEXT: nop # sched: [1:0.50]
-; ATOM-NEXT: nop # sched: [1:0.50]
-; ATOM-NEXT: nop # sched: [1:0.50]
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Why did the number of nops change?
================
Comment at: test/CodeGen/X86/sse2-schedule.ll:10709
-; ATOM-NEXT: paddw %xmm0, %xmm1 # sched: [1:0.50]
-; ATOM-NEXT: movdqa %xmm1, %xmm0 # sched: [1:0.50]
; ATOM-NEXT: retq # sched: [79:39.50]
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Any idea why the paddw wasn't commuted before to make the movdqa unnecessary?
Repository:
rL LLVM
https://reviews.llvm.org/D45486
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