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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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9
lib/Target/R600/R600EmitClauseMarkers.cpp
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@@ -177,7 +177,14 @@ private:
AluInstCount ++;
continue;
}
if (I->getOpcode() == AMDGPU::KILLGT) {
// XXX: GROUP_BARRIER instructions cannot be in the same ALU clause as:
//
// * KILL or INTERP instructions
// * Any instruction that sets UPDATE_EXEC_MASK or UPDATE_PRED bits
// * Uses waterfalling (i.e. INDEX_MODE = AR.X)
//
// XXX: These checks have not been implemented yet.
if (TII->mustBeLastInClause(I->getOpcode())) {
I++;
break;
}