diff options
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index 291e8d4..fa3cc49 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -2718,7 +2718,7 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp) op1_is_constant = GET_CODE (op1) == CONST_INT; op1_is_pow2 = (op1_is_constant && ((EXACT_POWER_OF_2_OR_ZERO_P (INTVAL (op1)) - || EXACT_POWER_OF_2_OR_ZERO_P (-INTVAL (op1))))); + || (! unsignedp && EXACT_POWER_OF_2_OR_ZERO_P (-INTVAL (op1)))))); /* This is the structure of expand_divmod: @@ -2854,6 +2854,8 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp) code = TRUNC_DIV_EXPR; if (code == FLOOR_MOD_EXPR) code = TRUNC_MOD_EXPR; + if (code == EXACT_DIV_EXPR && op1_is_pow2) + code = TRUNC_DIV_EXPR; } if (op1 != const0_rtx) |