diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index a775f2713c1..2feaa4eba46 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -8933,7 +8933,8 @@ fold_comparison (location_t loc, enum tree_code code, tree type, /* If the constant operation overflowed this can be simplified as a comparison against INT_MAX/INT_MIN. */ if (TREE_CODE (lhs) == INTEGER_CST - && TREE_OVERFLOW (lhs)) + && TREE_OVERFLOW (lhs) + && !TYPE_OVERFLOW_WRAPS (TREE_TYPE (arg0))) { int const1_sgn = tree_int_cst_sgn (const1); enum tree_code code2 = code; @@ -13085,6 +13086,8 @@ fold_binary_loc (location_t loc, tree arg01 = TREE_OPERAND (arg0, 1); tree itype = TREE_TYPE (arg00); if (TREE_INT_CST_HIGH (arg01) == 0 + && !(TREE_CODE (itype) == COMPLEX_TYPE + || TREE_CODE (itype) == VECTOR_TYPE) && TREE_INT_CST_LOW (arg01) == (unsigned HOST_WIDE_INT) (TYPE_PRECISION (itype) - 1)) { |