diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 99b913a284e..648dc3b81b3 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -176,7 +176,7 @@ force_fit_type (t, overflow) low = TREE_INT_CST_LOW (t); high = TREE_INT_CST_HIGH (t); - if (TREE_CODE (TREE_TYPE (t)) == POINTER_TYPE) + if (POINTER_TYPE_P (TREE_TYPE (t))) prec = POINTER_SIZE; else prec = TYPE_PRECISION (TREE_TYPE (t)); @@ -1499,7 +1499,7 @@ fold_convert (t, arg1) register tree type = TREE_TYPE (t); int overflow = 0; - if (TREE_CODE (type) == POINTER_TYPE || INTEGRAL_TYPE_P (type)) + if (POINTER_TYPE_P (type) || INTEGRAL_TYPE_P (type)) { if (TREE_CODE (arg1) == INTEGER_CST) { @@ -1519,12 +1519,12 @@ fold_convert (t, arg1) if ARG1 is a too-large unsigned value and T is signed. But don't indicate an overflow if converting a pointer. */ TREE_OVERFLOW (t) - = (TREE_OVERFLOW (arg1) - || (force_fit_type (t, - (TREE_INT_CST_HIGH (arg1) < 0 - && (TREE_UNSIGNED (type) - < TREE_UNSIGNED (TREE_TYPE (arg1))))) - && TREE_CODE (TREE_TYPE (arg1)) != POINTER_TYPE)); + = ((force_fit_type (t, + (TREE_INT_CST_HIGH (arg1) < 0 + & (TREE_UNSIGNED (type) + < TREE_UNSIGNED (TREE_TYPE (arg1))))) + && ! POINTER_TYPE_P (TREE_TYPE (arg1))) + || TREE_OVERFLOW (arg1)); TREE_CONSTANT_OVERFLOW (t) = TREE_OVERFLOW (t) | TREE_CONSTANT_OVERFLOW (arg1); } @@ -5128,7 +5128,7 @@ fold (expr) if CONST+INCR overflows or if foo+incr might overflow. This optimization is invalid for floating point due to rounding. For pointer types we assume overflow doesn't happen. */ - if (TREE_CODE (TREE_TYPE (varop)) == POINTER_TYPE + if (POINTER_TYPE_P (TREE_TYPE (varop)) || (! FLOAT_TYPE_P (TREE_TYPE (varop)) && (code == EQ_EXPR || code == NE_EXPR))) { @@ -5163,7 +5163,7 @@ fold (expr) } else if (constop && TREE_CODE (varop) == POSTDECREMENT_EXPR) { - if (TREE_CODE (TREE_TYPE (varop)) == POINTER_TYPE + if (POINTER_TYPE_P (TREE_TYPE (varop)) || (! FLOAT_TYPE_P (TREE_TYPE (varop)) && (code == EQ_EXPR || code == NE_EXPR))) { @@ -5357,7 +5357,7 @@ fold (expr) /* An unsigned comparison against 0 can be simplified. */ if (integer_zerop (arg1) && (INTEGRAL_TYPE_P (TREE_TYPE (arg1)) - || TREE_CODE (TREE_TYPE (arg1)) == POINTER_TYPE) + || POINTER_TYPE_P (TREE_TYPE (arg1))) && TREE_UNSIGNED (TREE_TYPE (arg1))) { switch (TREE_CODE (t)) @@ -5392,7 +5392,7 @@ fold (expr) && TREE_INT_CST_LOW (arg1) == ((HOST_WIDE_INT) 1 << (width - 1)) - 1 && TREE_INT_CST_HIGH (arg1) == 0 && (INTEGRAL_TYPE_P (TREE_TYPE (arg1)) - || TREE_CODE (TREE_TYPE (arg1)) == POINTER_TYPE) + || POINTER_TYPE_P (TREE_TYPE (arg1))) && TREE_UNSIGNED (TREE_TYPE (arg1))) { switch (TREE_CODE (t)) |