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Fix various small things that were broken with single-bit-per-lane masks.

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Also small cleanups to declarations, "no captures" added, etc.
This commit is contained in:
Matt Pharr
2012-01-04 12:26:22 -08:00
parent dea13979e0
commit 848a432640
4 changed files with 55 additions and 53 deletions
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14
ctx.cpp
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@@ -1945,6 +1945,20 @@ FunctionEmitContext::maskedStore(llvm::Value *value, llvm::Value *ptr,
else
maskedStoreFunc = m->module->getFunction("__pseudo_masked_store_64");
}
else if (valueType == AtomicType::VaryingBool &&
g->target.maskBitCount == 1) {
llvm::Value *notMask = BinaryOperator(llvm::Instruction::Xor, mask,
LLVMMaskAllOn, "~mask");
llvm::Value *old = LoadInst(ptr);
llvm::Value *maskedOld = BinaryOperator(llvm::Instruction::And, old,
notMask, "old&~mask");
llvm::Value *maskedNew = BinaryOperator(llvm::Instruction::And, value,
mask, "new&mask");
llvm::Value *final = BinaryOperator(llvm::Instruction::Or, maskedOld,
maskedNew, "old_new_result");
StoreInst(final, ptr);
return;
}
else if (valueType == AtomicType::VaryingDouble ||
valueType == AtomicType::VaryingInt64 ||
valueType == AtomicType::VaryingUInt64) {