diff options
Diffstat (limited to 'gcc-4.9/gcc/fold-const.c')
| -rw-r--r-- | gcc-4.9/gcc/fold-const.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc-4.9/gcc/fold-const.c b/gcc-4.9/gcc/fold-const.c index 11f3d0c1e..1f0d1988d 100644 --- a/gcc-4.9/gcc/fold-const.c +++ b/gcc-4.9/gcc/fold-const.c @@ -9097,7 +9097,8 @@ 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; @@ -13368,7 +13369,7 @@ fold_binary_loc_1 (location_t loc, tree itype = TREE_TYPE (arg00); if (TREE_INT_CST_HIGH (arg01) == 0 && TREE_INT_CST_LOW (arg01) - == (unsigned HOST_WIDE_INT) (TYPE_PRECISION (itype) - 1)) + == (unsigned HOST_WIDE_INT) (element_precision (itype) - 1)) { if (TYPE_UNSIGNED (itype)) { |