------- Comment #9 from hjl dot tools at gmail dot com  2010-03-08 16:58 -------
(In reply to comment #8)
> Created an attachment (id=20044)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20044&action=view) [edit]
> gcc44-pr43290-2.patch
> 
> Another fix.  Wonder why that insn is marked as frame related at all, for the
> drap saving the spill (and restore) generated by
> ix86_expand_prologue/ix86_expand_epilogue should be the canonical one, after
> all where the vDRAP was spilled to is something that could be clobbered before
> the epilogue if vDRAP starts living in the register again, etc.
> 

There may be a reason to do so at the time. If there are no
regressions in gcc testsuite, it probably is OK not to mark
drap as frame related.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43290

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