Looks good, just wondering about the below conditions.


https://codereview.chromium.org/582713002/diff/1/src/compiler/ia32/code-generator-ia32.cc
File src/compiler/ia32/code-generator-ia32.cc (right):

https://codereview.chromium.org/582713002/diff/1/src/compiler/ia32/code-generator-ia32.cc#newcode310
src/compiler/ia32/code-generator-ia32.cc:310: __ j(not_carry, &done,
Label::kNear);
What does this extra condition here check?

Note that this the implementation of ChangeFloat64ToUint32, which
explicitly assumes that all of its inputs lie in the range [0...2^32-1]
and are integers.

https://codereview.chromium.org/582713002/

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