[Webkit-unassigned] [Bug 123799] REGRESSION(r158315): register mixup in JIT::compileOpCall

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=123799





--- Comment #10 from Filip Pizlo <fpizlo at apple.com>  2013-11-05 08:59:15 PST ---
(In reply to comment #9)
> (In reply to comment #7)
> > Which others have this problem?
> 
> Apart from MIPS, at a glance ...
> 
> For this exact problem:
> 
> CPU(ARM64):  regT3:  x23    vs    x3
> 
> For other discrepancies between GPRInfo.h and JSInterfaceJIT.h:
> 
> CPU(X86_86): regT4:   r10     vs    edi
> CPU(ARM):      regT4:   r7      vs    r8
> CPU(ARM64):  regT4:   x24    vs    x4

We should fix that by getting rid of the regT* definitions in JSInterfaceJIT.h

If some backend can't handle it then that's a separate problem.

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