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tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.

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* tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
	(integer_onep): Likewise.
	(integer_all_onesp): Likewise.
	(integer_pow2p): Likewise.
	(integer_nonzerop): Likewise.
	(real_zerop): Likewise.
	(real_onep): Likewise.
	(real_twop): Likewise.
	(real_minus_onep): Likewise.
	(int_size_in_bytes): Likewise.
	(host_integerp): Likewise.

From-SVN: r112980
This commit is contained in:
Roger Sayle 2006-04-16 02:38:44 +00:00 • committed by Roger Sayle
parent aacac31f2c
commit 7fe25d1a55
2 changed files with 16 additions and 12 deletions
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14
gcc/ChangeLog
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@ -1,3 +1,17 @@
2006-04-15 Roger Sayle <roger@eyesopen.com>
* tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
(integer_onep): Likewise.
(integer_all_onesp): Likewise.
(integer_pow2p): Likewise.
(integer_nonzerop): Likewise.
(real_zerop): Likewise.
(real_onep): Likewise.
(real_twop): Likewise.
(real_minus_onep): Likewise.
(int_size_in_bytes): Likewise.
(host_integerp): Likewise.
2006-04-15 Kazu Hirata <kazu@codesourcery.com>
* cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,

14
gcc/tree.c
View file

@ -1209,7 +1209,6 @@ integer_zerop (tree expr)
STRIP_NOPS (expr);
return ((TREE_CODE (expr) == INTEGER_CST
&& ! TREE_CONSTANT_OVERFLOW (expr)
&& TREE_INT_CST_LOW (expr) == 0
&& TREE_INT_CST_HIGH (expr) == 0)
|| (TREE_CODE (expr) == COMPLEX_CST
@ -1226,7 +1225,6 @@ integer_onep (tree expr)
STRIP_NOPS (expr);
return ((TREE_CODE (expr) == INTEGER_CST
&& ! TREE_CONSTANT_OVERFLOW (expr)
&& TREE_INT_CST_LOW (expr) == 1
&& TREE_INT_CST_HIGH (expr) == 0)
|| (TREE_CODE (expr) == COMPLEX_CST
@ -1250,8 +1248,7 @@ integer_all_onesp (tree expr)
&& integer_zerop (TREE_IMAGPART (expr)))
return 1;
else if (TREE_CODE (expr) != INTEGER_CST
|| TREE_CONSTANT_OVERFLOW (expr))
else if (TREE_CODE (expr) != INTEGER_CST)
return 0;
uns = TYPE_UNSIGNED (TREE_TYPE (expr));
@ -1303,7 +1300,7 @@ integer_pow2p (tree expr)
&& integer_zerop (TREE_IMAGPART (expr)))
return 1;
if (TREE_CODE (expr) != INTEGER_CST || TREE_CONSTANT_OVERFLOW (expr))
if (TREE_CODE (expr) != INTEGER_CST)
return 0;
prec = (POINTER_TYPE_P (TREE_TYPE (expr))
@ -1341,7 +1338,6 @@ integer_nonzerop (tree expr)
STRIP_NOPS (expr);
return ((TREE_CODE (expr) == INTEGER_CST
&& ! TREE_CONSTANT_OVERFLOW (expr)
&& (TREE_INT_CST_LOW (expr) != 0
|| TREE_INT_CST_HIGH (expr) != 0))
|| (TREE_CODE (expr) == COMPLEX_CST
@ -1434,7 +1430,6 @@ real_zerop (tree expr)
STRIP_NOPS (expr);
return ((TREE_CODE (expr) == REAL_CST
&& ! TREE_CONSTANT_OVERFLOW (expr)
&& REAL_VALUES_EQUAL (TREE_REAL_CST (expr), dconst0))
|| (TREE_CODE (expr) == COMPLEX_CST
&& real_zerop (TREE_REALPART (expr))
@ -1449,7 +1444,6 @@ real_onep (tree expr)
STRIP_NOPS (expr);
return ((TREE_CODE (expr) == REAL_CST
&& ! TREE_CONSTANT_OVERFLOW (expr)
&& REAL_VALUES_EQUAL (TREE_REAL_CST (expr), dconst1))
|| (TREE_CODE (expr) == COMPLEX_CST
&& real_onep (TREE_REALPART (expr))
@ -1464,7 +1458,6 @@ real_twop (tree expr)
STRIP_NOPS (expr);
return ((TREE_CODE (expr) == REAL_CST
&& ! TREE_CONSTANT_OVERFLOW (expr)
&& REAL_VALUES_EQUAL (TREE_REAL_CST (expr), dconst2))
|| (TREE_CODE (expr) == COMPLEX_CST
&& real_twop (TREE_REALPART (expr))
@ -1479,7 +1472,6 @@ real_minus_onep (tree expr)
STRIP_NOPS (expr);
return ((TREE_CODE (expr) == REAL_CST
&& ! TREE_CONSTANT_OVERFLOW (expr)
&& REAL_VALUES_EQUAL (TREE_REAL_CST (expr), dconstm1))
|| (TREE_CODE (expr) == COMPLEX_CST
&& real_minus_onep (TREE_REALPART (expr))
@ -1725,7 +1717,6 @@ int_size_in_bytes (tree type)
t = TYPE_SIZE_UNIT (type);
if (t == 0
|| TREE_CODE (t) != INTEGER_CST
|| TREE_OVERFLOW (t)
|| TREE_INT_CST_HIGH (t) != 0
/* If the result would appear negative, it's too big to represent. */
|| (HOST_WIDE_INT) TREE_INT_CST_LOW (t) < 0)
@ -4404,7 +4395,6 @@ int
host_integerp (tree t, int pos)
{
return (TREE_CODE (t) == INTEGER_CST
&& ! TREE_OVERFLOW (t)
&& ((TREE_INT_CST_HIGH (t) == 0
&& (HOST_WIDE_INT) TREE_INT_CST_LOW (t) >= 0)
|| (! pos && TREE_INT_CST_HIGH (t) == -1