[Bug target/67356] PowerPC insn does not satisfy its constraints

[amodra at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67356

--- Comment #2 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Thu Aug 27 13:56:39 2015
New Revision: 227260

URL: https://gcc.gnu.org/viewcvs?rev=227260&root=gcc&view=rev
Log:
[RS6000] Correct constraints for ior<mode>_mask

ior<mode>_mask always splits to rtl matching rotl<mode>3_insert.  The
latter requires one of its input operands match the output, so let
reload/lra know the equivalent operand match must also occur for
ior<mode>_mask.

        PR target/67356
        * config/rs6000/rs6000.md (ior<mode>_mask): Use constraint "0"
        for operand 1.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.md