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| author | Andrew MacLeod <amacleod@redhat.com> | 2020-11-09 19:38:22 -0500 |
|---|---|---|
| committer | Andrew MacLeod <amacleod@redhat.com> | 2020-11-09 19:41:05 -0500 |
| commit | 7d26a337bfa1135d95caa3c213e82f2a97f18a01 (patch) | |
| tree | bf1633d16785790c688b97118e4aedf716550ba6 /libgcc | |
| parent | 2bee28dd41ff2b2bc73223aaa18d02e5329b219f (diff) | |
| download | gcc-7d26a337bfa1135d95caa3c213e82f2a97f18a01.zip gcc-7d26a337bfa1135d95caa3c213e82f2a97f18a01.tar.gz gcc-7d26a337bfa1135d95caa3c213e82f2a97f18a01.tar.bz2 | |
Fix logical_combine OR operation. Again.
The original fix was incorrect and results in loss of opportunities.
Revert the original fix. When processing logical chains, do not
follow chains outside of the current basic block. Use the import
value instead.
gcc/
PR tree-optimization/97567
* gimple-range-gori.cc: (gori_compute::logical_combine): False
OR operations should intersect the 2 results.
(gori_compute::compute_logical_operands_in_chain): If def chains
are outside the current basic block, don't follow them.
gcc/testsuite/
* gcc.dg/pr97567-2.c: New.
Diffstat (limited to 'libgcc')
0 files changed, 0 insertions, 0 deletions