[Webkit-unassigned] [Bug 122627] DFG: Add JIT support for LogicalNot(String/StringIdent)
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bugzilla-daemon at webkit.org
Fri Oct 11 11:13:18 PDT 2013
https://bugs.webkit.org/show_bug.cgi?id=122627
--- Comment #7 from Filip Pizlo <fpizlo at apple.com> 2013-10-11 11:12:07 PST ---
(In reply to comment #6)
> compare32 does not take an address, but I will fold the immediate into the comparison and add a test case.
Oh, right! But there is this thing:
void test32(ResultCondition cond, Address address, TrustedImm32 mask, RegisterID dest)
You'd use TrustedImm32(-1) as the mask. This will Do The Right Thing on both x86 and arm. On x86 you'll get a cmpl $0, (memory). On arm you'll get a ldr and tst.
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