2008-10-09  Gavin Barraclough  <barraclough@apple.com>

        Reviewed by Cameron Zwarich.

        Fix for bug #21160, x=0;1/(x*-1) == -Infinity

        * ChangeLog:
        * VM/CTI.cpp:
        (JSC::CTI::emitFastArithDeTagImmediate):
        (JSC::CTI::emitFastArithDeTagImmediateJumpIfZero):
        (JSC::CTI::compileBinaryArithOp):
        (JSC::CTI::compileBinaryArithOpSlowCase):
        (JSC::CTI::privateCompileMainPass):
        (JSC::CTI::privateCompileSlowCases):
        * VM/CTI.h:
        * masm/X86Assembler.h:
        (JSC::X86Assembler::):
        (JSC::X86Assembler::emitUnlinkedJs):

LayoutTests:

2008-10-09  Gavin Barraclough  <barraclough@apple.com>

        Reviewed by Cameron Zwarich.

        Correct results for -0 cases.

        * fast/js/math-transforms-expected.txt:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@37453 268f45cc-cd09-0410-ab3c-d52691b4dbfc