You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
16 lines
620 B
16 lines
620 B
Index: gcc-4.1.2/gcc/fold-const.c
|
|
===================================================================
|
|
--- gcc-4.1.2.orig/gcc/fold-const.c 2007-11-21 18:53:42.000000000 +0100
|
|
+++ gcc-4.1.2/gcc/fold-const.c 2007-11-21 18:56:26.000000000 +0100
|
|
@@ -5339,7 +5339,10 @@
|
|
}
|
|
break;
|
|
}
|
|
- /* FALLTHROUGH */
|
|
+ /* If the constant is negative, we cannot simplify this. */
|
|
+ if (tree_int_cst_sgn (c) == -1)
|
|
+ break;
|
|
+ /* FALLTHROUGH */
|
|
case NEGATE_EXPR:
|
|
if ((t1 = extract_muldiv (op0, c, code, wide_type)) != 0)
|
|
return fold_build1 (tcode, ctype, fold_convert (ctype, t1));
|
|
|