[Webkit-unassigned] [Bug 30144] MIPS JIT Supports

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=30144





--- Comment #14 from Chao-ying Fu <fu at mips.com>  2009-10-08 13:56:11 PDT ---
(In reply to comment #13)
> (In reply to comment #10)
> > > > +		    fprintf (stderr, "Error: Cannot create MIPS jump (J) due to the top four bits are different.\n");
> > > > +		}
> > > > +		*insn = 0x08000000 | ((new_target_address >> 2) & 0x3ffffff);
> > > > +	    }
> > > 
> > > What happens if a jump cannot be created? Crash?
> > 
> >   Yes, if we cannot use "J", it will crash.
> > But this type of jump can cover a 28-bit range of targets.  From running
> > sunspider and v8 tests, 28-bit jumps seem ok.
> 
> The JavaScriptCore tests are essential. Did you test with
> ./WebKitTools/Scripts/run-javascriptcore-tests?
> 
> In additional, you should test at least with
> ./WebKitTools/Scripts/run-webkit-tests LayoutTests/fast/js as well! The new JS
> regression tests were landed there.

Thank you for the testing information!  I will run these two tests and verify
the correctness.

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