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jump to target if JumpIfFloatNotEqual comparison is unordered

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A dcmpl or dcmpg followed by an ifneq should take the branch if an NaN
is involved.
This commit is contained in:
Joel Dice 2013-04-04 20:02:49 -06:00
parent b436bd460a
commit 8c1419fb89
1 changed files with 1 additions and 0 deletions
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src/codegen/target/x86/encode.cpp
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@ -251,6 +251,7 @@ void branchFloat(Context* c, lir::TernaryOperation op, lir::Constant* target) {
case lir::JumpIfFloatNotEqual: case lir::JumpIfFloatNotEqual:
conditional(c, 0x85, target); conditional(c, 0x85, target);
conditional(c, 0x8a, target);
break; break;
case lir::JumpIfFloatLess: case lir::JumpIfFloatLess: