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Re: [PATCH] Fix PR54733 Optimize endian independent load/store


On Wed, May 21, 2014 at 3:00 AM, Thomas Preud'homme
<thomas.preudhomme@arm.com> wrote:
>> From: gcc-patches-owner@gcc.gnu.org [mailto:gcc-patches-
>>
>> I'll send the new patch as soon as all the tests are done.
>
> Here you are. I also simplified the tests a bit having the reference as a function
> parameter instead of a local one.
>
> Updated ChangeLogs:
>
> *** gcc/ChangeLog ***
>
> 2014-05-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
>
>         PR tree-optimization/54733
>         * tree-ssa-math-opts.c (nop_stats): New "bswap_stats" structure.
>         (CMPNOP): Define.
>         (find_bswap_or_nop_load): New.
>         (find_bswap_1): Renamed to ...
>         (find_bswap_or_nop_1): This. Also add support for memory source.
>         (find_bswap): Renamed to ...
>         (find_bswap_or_nop): This. Also add support for memory source and
>         detection of bitwise operations equivalent to load in host endianness.
>         (execute_optimize_bswap): Likewise. Also move its leading comment back
>         in place and split statement transformation into ...
>         (bswap_replace): This.
>
> *** gcc/testsuite/ChangeLog ***
>
> 2014-05-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
>
>         PR tree-optimization/54733
>         * gcc.dg/optimize-bswapdi-3.c: New test to check extension of bswap
>         optimization to support memory sources and bitwise operations
>         equivalent to load in host endianness.
>         * gcc.dg/optimize-bswaphi-1.c: Likewise.
>         * gcc.dg/optimize-bswapsi-2.c: Likewise.
>         * gcc.c-torture/execute/bswap-2.c: Likewise.
>
> Best regards,

This is ok.

Thanks,
Richard.

> Thomas


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