diff options
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index c4d6ce7..ba6b225b 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -62,7 +62,7 @@ neg_const_int (machine_mode mode, const_rtx i) { unsigned HOST_WIDE_INT val = -UINTVAL (i); - if (GET_MODE_PRECISION (mode) > HOST_BITS_PER_WIDE_INT + if (!HWI_COMPUTABLE_MODE_P (mode) && val == UINTVAL (i)) return simplify_const_unary_operation (NEG, mode, CONST_CAST_RTX (i), mode); @@ -3341,7 +3341,8 @@ simplify_binary_operation_1 (enum rtx_code code, machine_mode mode, if (trueop0 == CONST0_RTX (mode) && ! side_effects_p (op1)) return op0; /* Rotating ~0 always results in ~0. */ - if (CONST_INT_P (trueop0) && width <= HOST_BITS_PER_WIDE_INT + if (CONST_INT_P (trueop0) + && HWI_COMPUTABLE_MODE_P (mode) && UINTVAL (trueop0) == GET_MODE_MASK (mode) && ! side_effects_p (op1)) return op0; @@ -3420,7 +3421,7 @@ simplify_binary_operation_1 (enum rtx_code code, machine_mode mode, goto canonicalize_shift; case SMIN: - if (width <= HOST_BITS_PER_WIDE_INT + if (HWI_COMPUTABLE_MODE_P (mode) && mode_signbit_p (mode, trueop1) && ! side_effects_p (op0)) return op1; @@ -3432,7 +3433,7 @@ simplify_binary_operation_1 (enum rtx_code code, machine_mode mode, break; case SMAX: - if (width <= HOST_BITS_PER_WIDE_INT + if (HWI_COMPUTABLE_MODE_P (mode) && CONST_INT_P (trueop1) && (UINTVAL (trueop1) == GET_MODE_MASK (mode) >> 1) && ! side_effects_p (op0)) |