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| author | Andrew MacLeod <amacleod@redhat.com> | 2023-10-25 09:46:50 -0400 |
|---|---|---|
| committer | Andrew MacLeod <amacleod@redhat.com> | 2023-11-03 12:54:50 -0400 |
| commit | 7ab79a40b546a1470abaf76bec74c63e9990fe47 (patch) | |
| tree | 6e109809952740cce8211058a0b44f70aea973c5 /libgcc/fixed-bit.c | |
| parent | a291237b628f419d7f7ac264dd7b42947b565222 (diff) | |
| download | gcc-7ab79a40b546a1470abaf76bec74c63e9990fe47.zip gcc-7ab79a40b546a1470abaf76bec74c63e9990fe47.tar.gz gcc-7ab79a40b546a1470abaf76bec74c63e9990fe47.tar.bz2 | |
Adjust operators equal and not_equal to check bitmasks against constants
Check to see if a comparison to a constant can be determined to always
be not-equal based on the bitmask.
PR tree-optimization/111766
gcc/
* range-op.cc (operator_equal::fold_range): Check constants
against the bitmask.
(operator_not_equal::fold_range): Ditto.
* value-range.h (irange_bitmask::member_p): New.
gcc/testsuite/
* gcc.dg/pr111766.c: New.
Diffstat (limited to 'libgcc/fixed-bit.c')
0 files changed, 0 insertions, 0 deletions