[i386 PATCH] Fix zero_extract == 0 -> and splitter (PR target/41680)
Uros Bizjak
ubizjak@gmail.com
Mon Oct 12 13:28:00 GMT 2009
On Mon, Oct 12, 2009 at 1:45 PM, Jakub Jelinek <jakub@redhat.com> wrote:
> 2009-10-12 Jakub Jelinek <jakub@redhat.com>
>
> PR target/41680
> * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
> paradoxical subregs to prevent partial register stalls if the inner
> mode is integer mode.
>
> * g++.dg/torture/pr41680.C: New test.
OK.
Thanks,
Uros.
More information about the Gcc-patches
mailing list