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| author | Thomas Preud'homme <thomas.preudhomme@arm.com> | 2014-05-23 03:33:28 +0000 |
|---|---|---|
| committer | Thomas Preud'homme <thopre01@gcc.gnu.org> | 2014-05-23 03:33:28 +0000 |
| commit | 73984f8494f31ba93aaebf84a50dc77fd4017c11 (patch) | |
| tree | 8bab8083343643305fc3a4dbcbdc58042c48e5ed /gcc/c | |
| parent | eaa33a6a651713511f9642f5a3e2eff8639edf41 (diff) | |
| download | gcc-73984f8494f31ba93aaebf84a50dc77fd4017c11.zip gcc-73984f8494f31ba93aaebf84a50dc77fd4017c11.tar.gz gcc-73984f8494f31ba93aaebf84a50dc77fd4017c11.tar.bz2 | |
re PR tree-optimization/54733 (Missing opportunity to optimize endian independent load/store)
2014-05-23 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR tree-optimization/54733
gcc/
* 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
* 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.
From-SVN: r210843
Diffstat (limited to 'gcc/c')
0 files changed, 0 insertions, 0 deletions