Streamline CodeGenerator::Comparison in the IA32 code generator.  When doing constant folding, handle only the cases that actually arise. This avoids some complicated logic, some extra comparisons, and fixes issue 247:
Streamline CodeGenerator::Comparison in the IA32 code generator.  When
doing constant folding, handle only the cases that actually arise.
This avoids some complicated logic, some extra comparisons, and fixes
issue 247:

http://code.google.com/p/v8/issues/detail?id=247

Review URL: http://codereview.chromium.org/40023

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@1410 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh