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freeze BranchEvent operands to ensure they aren't clobbered as temporaries

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This commit is contained in:
Joel Dice 2010-12-07 18:16:19 -07:00
parent 378f7086b7
commit 314bdae80d
1 changed files with 10 additions and 2 deletions
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12
src/compiler.cpp
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@ -4747,9 +4747,17 @@ class BranchEvent: public Event {
apply(c, Jump, BytesPerWord, address->source, address->source);
}
} else {
freezeSource(c, size, first);
freezeSource(c, size, second);
freezeSource(c, BytesPerWord, address);
apply(c, type, size, first->source, first->nextWord->source,
size, second->source, second->nextWord->source,
BytesPerWord, address->source, address->source);
thawSource(c, BytesPerWord, address);
thawSource(c, size, second);
thawSource(c, size, first);
}
}
@ -4914,13 +4922,13 @@ class BoundsCheckEvent: public Event {
CodePromise* nextPromise = codePromise
(c, static_cast<Promise*>(0));
index->source->freeze(c, index);
freezeSource(c, BytesPerWord, index);
ConstantSite next(nextPromise);
apply(c, JumpIfGreater, 4, index->source, index->source, 4, &length,
&length, BytesPerWord, &next, &next);
index->source->thaw(c, index);
thawSource(c, BytesPerWord, index);
if (constant == 0) {
outOfBoundsPromise->offset = a->offset();