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Re: [PATCH, rs6000] Fix PR16458, eliminate redudant compares


On Tue, Apr 10, 2012 at 8:50 PM, David Edelsohn <dje.gcc@gmail.com> wrote:
> 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.

The rest is ok as well.

Thanks,
Richard.

> Thanks, David


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