diff options
Diffstat (limited to 'gcc/match.pd')
| -rw-r--r-- | gcc/match.pd | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/match.pd b/gcc/match.pd index d438179be4f..fc374de4121 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -932,6 +932,15 @@ along with GCC; see the file COPYING3. If not see (if (ic == ncmp) (ncmp @0 @1))))) +/* Unordered tests if either argument is a NaN. */ +(simplify + (bit_ior (unordered @0 @0) (unordered @1 @1)) + (if ((GIMPLE && types_compatible_p (TREE_TYPE (@0), TREE_TYPE (@1))) + || (GENERIC && TREE_TYPE (@0) == TREE_TYPE (@1))) + (unordered @0 @1))) +(simplify + (bit_ior:c (unordered @0 @0) (unordered:c@2 @0 @1)) + @2) /* Simplification of math builtins. */ |