Sorry, took longer than expected as I got distracted by some other patch. I merged the whole patchset in a single patch as I was told the current setup is actually more difficult to read.
Here are the updated ChangeLogs:
*** gcc/ChangeLog ***
2014-05-09 Thomas Preud'homme <thomas.preudho...@arm.com>
PR tree-optimization/54733
* expr.c (get_inner_reference): Add a parameter to control whether a
MEM_REF should be split into base + offset.
* tree.h (get_inner_reference): Default new parameter to false.
* 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. Add assert when updating bswap_stats.
*** gcc/testsuite/ChangeLog ***
2014-05-09 Thomas Preud'homme <thomas.preudho...@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.
Ok for trunk?
Best regards,
Thomas
> -----Original Message-----
> From: gcc-patches-ow...@gcc.gnu.org [mailto:gcc-patches-
> ow...@gcc.gnu.org] On Behalf Of Thomas Preud'homme
> Sent: Monday, May 05, 2014 7:30 PM
> To: GCC Patches
> Subject: RE: [PATCH][2/3] Fix PR54733 Optimize endian independent
> load/store
>
> I found a way to improve the function find_bswap/find_bswap_or_nop
> and reduce its size. Please hold for the review, I will post an updated
> version as soon as I finish testing.
>
> Best regards,
>
> Thomas Preud'homme
>
>
>
gcc32rm-84.5.4.diff
Description: Binary data
