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fold-const.c (div_if_zero_remainder): Do signed divide for pointer types. 

* fold-const.c (div_if_zero_remainder): Do signed divide for pointer
	types.

From-SVN: r123966
This commit is contained in:
Jan Hubicka 2007-04-19 03:35:25 +02:00 committed by Jan Hubicka
parent 06a4a50762
commit 8d5d586529
2 changed files with 16 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2007-04-18 Jan Hubicka <jh@suse.cz>
* fold-const.c (div_if_zero_remainder): Do signed divide for pointer
types.
2007-04-18 Eric Christopher <echristo@apple.com>
* config/rs6000/darwin.md (load_macho_picbase): Use link register

11
gcc/fold-const.c
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@ -890,6 +890,17 @@ div_if_zero_remainder (enum tree_code code, tree arg1, tree arg2)
int1l = TREE_INT_CST_LOW (arg1);
int1h = TREE_INT_CST_HIGH (arg1);
/* &obj[0] + -128 really should be compiled as &obj[-8] rahter than
&obj[some_exotic_number]. */
if (POINTER_TYPE_P (type))
{
uns = false;
type = signed_type_for (type);
fit_double_type (int1l, int1h, &int1l, &int1h,
type);
}
else
fit_double_type (int1l, int1h, &int1l, &int1h, type);
int2l = TREE_INT_CST_LOW (arg2);
int2h = TREE_INT_CST_HIGH (arg2);