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


> From: Richard Biener [mailto:richard.guenther@gmail.com]
> On Wed, May 21, 2014 at 3:00 AM, Thomas Preud'homme
> <thomas.preudhomme@arm.com> wrote:

> >
> > 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.

Great. Commited.

Thanks a lot for your patience in mentoring me to improve this patch.

Best regards,

Thomas



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