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R600: Add support for GROUP_BARRIER instruction

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Reviewed-by: Vincent Lejeune<vljn at ovi.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185161 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2013-06-28 15:46:59 +00:00
parent 7e9381951e
commit cedcfee405
8 changed files with 88 additions and 3 deletions
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6
lib/Target/R600/R600MachineScheduler.cpp
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@ -269,10 +269,14 @@ R600SchedStrategy::AluKind R600SchedStrategy::getAluKind(SUnit *SU) const {
}
// Does the instruction take a whole IG ?
// XXX: Is it possible to add a helper function in R600InstrInfo that can
// be used here and in R600PacketizerList::isSoloInstruction() ?
if(TII->isVector(*MI) ||
TII->isCubeOp(MI->getOpcode()) ||
TII->isReductionOp(MI->getOpcode()))
TII->isReductionOp(MI->getOpcode()) ||
MI->getOpcode() == AMDGPU::GROUP_BARRIER) {
return AluT_XYZW;
}
// Is the result already assigned to a channel ?
unsigned DestSubReg = MI->getOperand(0).getSubReg();