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| author | Michael Matz <matz@suse.de> | 2016-11-15 14:02:28 +0000 |
|---|---|---|
| committer | Michael Matz <matz@gcc.gnu.org> | 2016-11-15 14:02:28 +0000 |
| commit | b229ab2a712ccd44126bcbcaed2da8b998e7366c (patch) | |
| tree | 6332e06f8a024d08d976fc3a4dcd33711ea2e615 /gcc/cppbuiltin.c | |
| parent | aa806c3be702a6bcd72cad5c329024ee68e29e3a (diff) | |
| download | gcc-b229ab2a712ccd44126bcbcaed2da8b998e7366c.zip gcc-b229ab2a712ccd44126bcbcaed2da8b998e7366c.tar.gz gcc-b229ab2a712ccd44126bcbcaed2da8b998e7366c.tar.bz2 | |
re PR target/77881 (Non-optimal signed comparison on x86_64 since r146817)
PR missed-optimization/77881
* combine.c (simplify_comparison): Remove useless subregs
also inside the loop, not just after it.
(make_compound_operation): Recognize some subregs as being
masking as well.
testsuite/
* gcc.target/i386/pr77881.c: New test.
From-SVN: r242414
Diffstat (limited to 'gcc/cppbuiltin.c')
0 files changed, 0 insertions, 0 deletions