[Bug target/112672] [14 Regression] wrong code with __builtin_parityl() at -O and above on x86_64

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112672

Uroš Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |ubizjak at gmail dot com

--- Comment #4 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Andrew Pinski from comment #3)
> parityhi2 should have:
> rtx extra = gen_reg_rtx (HImode);
> emit_move_insn (extra, operands[1]);
> emit_insn (gen_parityhi2_cmp (extra));
> 
> Or something similar because parityqi2_cmp clobbers its argument.

Exactly.

I have a patch in testing.