[Webkit-unassigned] [Bug 128743] [JSC] Crash in LLInt CLoop on S390X

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=128743





--- Comment #8 from Tomas Popela <tpopela at redhat.com>  2014-02-18 00:11:24 PST ---
(In reply to comment #6)
> (In reply to comment #5)
> > I can't reproduce this issue on Mac x86_64 with the C loop.  yelp.com loads and runs fine.  Looks like this is a S390X specific issue, and needs to be debugged on your side.
> > 
> > Here's a tip for debugging: with the C loop LLINT, you can use a LLINT pseudo instructions "cloopDo".  For example:
> >     cloopDo // print("I was here\n");
> > 
> > Whatever you put in the // comment after the cloopDo instruction will be inserted into the generated LLINT instruction stream verbatim.  You can use this mechanism to do some debugging.  For example, you can insert printfs to dump the values of relevant CLoopRegisters, and see if they are what you expect.
> 
> Which way do the endians go on S390X?

Hi Filip,
the S390X is 64bit Big Endian - http://en.wikipedia.org/wiki/Z/Architecture

-- 
Configure bugmail: https://bugs.webkit.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.