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Revert "Make NumMicroOps a variable in the subtarget's instruction itinerary."

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This reverts commit r159406. I noticed a performance regression so I'll back out for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159411 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2012-06-29 07:10:41 +00:00
parent 94e3b388e5
commit 3e4b3b9043
9 changed files with 62 additions and 79 deletions
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lib/CodeGen/TargetInstrInfoImpl.cpp
+2 -2
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@@ -560,8 +560,8 @@ TargetInstrInfoImpl::getNumMicroOps(const InstrItineraryData *ItinData,
return 1;
unsigned Class = MI->getDesc().getSchedClass();
int UOps = ItinData->Itineraries[Class].NumMicroOps;
if (UOps >= 0)
unsigned UOps = ItinData->Itineraries[Class].NumMicroOps;
if (UOps)
return UOps;
// The # of u-ops is dynamically determined. The specific target should