https://codereview.chromium.org/23135018/diff/3001/src/ia32/lithium-codegen-ia32.cc
File src/ia32/lithium-codegen-ia32.cc (right):
https://codereview.chromium.org/23135018/diff/3001/src/ia32/lithium-codegen-ia32.cc#newcode1030
src/ia32/lithium-codegen-ia32.cc:1030: if (x87_stack_.depth() > 0 ||
(FLAG_debug_code && FLAG_enable_slow_asserts)) {
I don't understand why we need to enable flushing when --debug-code is
passed. Can we drop this?
https://codereview.chromium.org/23135018/diff/3001/src/ia32/lithium-codegen-ia32.h
File src/ia32/lithium-codegen-ia32.h (right):
https://codereview.chromium.org/23135018/diff/3001/src/ia32/lithium-codegen-ia32.h#newcode470
src/ia32/lithium-codegen-ia32.h:470: void CommitWrite(X87Register reg);
I think both, "PrepareToWrite" and "CommitWrite" should also check the
mutability predicate explicitly.
https://codereview.chromium.org/23135018/diff/3001/src/ia32/lithium-codegen-ia32.h#newcode492
src/ia32/lithium-codegen-ia32.h:492: bool copy_;
Let's call this "is_mutable_" instead and reverse the semantics. I think
that's easier to understand. WDYT?
https://codereview.chromium.org/23135018/
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