This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH, rs6000] Fix PR16458, eliminate redudant compares
- From: David Edelsohn <dje dot gcc at gmail dot com>
- To: Peter Bergner <bergner at vnet dot ibm dot com>
- Cc: Richard Guenther <richard dot guenther at gmail dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, Michael Matz <matz at suse dot de>
- Date: Tue, 10 Apr 2012 14:50:50 -0400
- Subject: Re: [PATCH, rs6000] Fix PR16458, eliminate redudant compares
- References: <1327683378.14063.28.camel@otta> <CAFiYyc3nbjjGdUyRRO4rwiRyxmLJWCF0mrDca7-LwcPpEKPeyg@mail.gmail.com> <1334079412.10401.14.camel@otta>
On Tue, Apr 10, 2012 at 1:36 PM, Peter Bergner <bergner@vnet.ibm.com> wrote:
> 2012-mm-dd ?Peter Bergner ?<bergner@vnet.ibm.com>
> ? ? ? ? ? ?Michael Matz ?<matz@suse.de>
>
> gcc/
> ? ? ? ?PR target/16458
> ? ? ? ?* rtlanal.c (unsigned_reg_p): New function.
> ? ? ? ?* rtl.h (unsigned_reg_p): Prototype it.
> ? ? ? ?* config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
> ? ? ? ?Update comment.
> ? ? ? ?* expr.c (expand_expr_real_1): Set register attributes.
> ? ? ? ?* stmt.c (expand_case): Likewise.
>
> gcc/testsuite/
> ? ? ? ?PR target/16458
> ? ? ? ?* gcc.target/powerpc/pr16458-1.c: New test.
> ? ? ? ?* gcc.target/powerpc/pr16458-2.c: Likewise.
> ? ? ? ?* gcc.target/powerpc/pr16458-3.c: Likewise.
> ? ? ? ?* gcc.target/powerpc/pr16458-4.c: Likewise.
The rs6000 and testsuite parts of the patch are okay with me.
Thanks, David