diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index d9d5304bb44..540d4478684 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -6241,18 +6241,19 @@ extract_muldiv_1 (tree t, tree c, enum tree_code code, tree wide_type, bool overflow_p = false; bool overflow_mul_p; signop sign = TYPE_SIGN (ctype); - wide_int mul = wi::mul (op1, c, sign, &overflow_mul_p); + unsigned prec = TYPE_PRECISION (ctype); + wide_int mul = wi::mul (wide_int::from (op1, prec, + TYPE_SIGN (TREE_TYPE (op1))), + wide_int::from (c, prec, + TYPE_SIGN (TREE_TYPE (c))), + sign, &overflow_mul_p); overflow_p = TREE_OVERFLOW (c) | TREE_OVERFLOW (op1); if (overflow_mul_p && ((sign == UNSIGNED && tcode != MULT_EXPR) || sign == SIGNED)) overflow_p = true; if (!overflow_p) - { - mul = wide_int::from (mul, TYPE_PRECISION (ctype), - TYPE_SIGN (TREE_TYPE (op1))); - return fold_build2 (tcode, ctype, fold_convert (ctype, op0), - wide_int_to_tree (ctype, mul)); - } + return fold_build2 (tcode, ctype, fold_convert (ctype, op0), + wide_int_to_tree (ctype, mul)); } /* If these operations "cancel" each other, we have the main |