http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58679
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
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CC| |vmakarov at gcc dot gnu.org
--- Comment #7 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Uroš Bizjak from comment #1)
> The patch at [1] now removes useless moves in the exit bb. This change
> breaks assumption in the mode-switching pass that all USEs of return values
> have a corresponding simple return value copy somewhere up in the insn
> stream.
I was referring to:
[1] http://gcc.gnu.org/ml/gcc-patches/2013-10/msg02208.html
CC author. Hopefully, following part will be reverted:
2013-10-25 Vladimir Makarov <vmaka...@redhat.com>
[...]
* lra-spills.c (lra_final_code_change): Remove useless move insns.
