Reviewers: Yang,
Message:
PTAL
Description:
Implement truncated d-to-i as a stub on x86
- Added a general DoubleToIStub so that it's possible to extend to other
platforms and non-truncating case.
- This version handles all cases of truncation (previous code deopted in
some
cases)
- There are several other places in the ia32 code that should use this stub
(e.g. IntegerConvert) that will be cleaned up in later CLs.
Please review this at https://chromiumcodereview.appspot.com/18612005/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/code-stubs.h
M src/ia32/code-stubs-ia32.cc
M src/ia32/lithium-codegen-ia32.cc
M test/cctest/cctest.gyp
A test/cctest/test-code-stubs-ia32.cc
A test/mjsunit/double-truncation.js
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