[Bug target/69648] [5/6 Regression] wrong code with -O -mtune=winchip-c6 -fPIC -fexpensive-optimizations -msse4 @ i686
ubizjak at gmail dot com
gcc-bugzilla@gcc.gnu.org
Thu Feb 4 09:42:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69648
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
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CC| |vmakarov at gcc dot gnu.org
--- Comment #8 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Ilya Enkovich from comment #7)
> We had multiple register allocation issues related to pseudo PIC register
> and initial commit (r216154) has related fixes in LRA by Vladimir Makarov.
> IIRC all problems were related to wrong PIC register used for
> rematerialization. I don't remember any case with uninitialized stack slot
> usage.
Forgot to add Vladimir to the discussion...
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