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A64: Zero upper 64 bits in ORN if using the 64-bit variant

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Resolves a TODO
This commit is contained in:
Lioncash 2018-01-26 12:00:27 -05:00 committed by Merry
parent 07930f0253
commit 792cb91753
1 changed files with 4 additions and 1 deletions
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5
src/frontend/A64/translate/impl/simd_three_same.cpp
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@ -123,9 +123,12 @@ bool TranslatorVisitor::ORN_asimd(bool Q, Vec Vm, Vec Vn, Vec Vd) {
auto operand1 = V(datasize, Vn);
auto operand2 = V(datasize, Vm);
// TODO: This does not zero the upper 64 bits when datasize == 64. This may break future optimization passes.
auto result = ir.VectorOr(operand1, ir.VectorNot(operand2));
if (datasize == 64) {
result = ir.VectorZeroUpper(result);
}
V(datasize, Vd, result);
return true;