toolchain/gcc/patches/4.1.2/010-pr34130.patch

   1 Index: gcc-4.1.2/gcc/fold-const.c
   2 ===================================================================
   3 --- gcc-4.1.2.orig/gcc/fold-const.c     2007-11-21 18:53:42.000000000 +0100
   4 +++ gcc-4.1.2/gcc/fold-const.c  2007-11-21 18:56:26.000000000 +0100
   5 @@ -5339,7 +5339,10 @@
   6              }
   7            break;
   8          }
   9 -      /* FALLTHROUGH */
  10 +   /* If the constant is negative, we cannot simplify this.  */
  11 +   if (tree_int_cst_sgn (c) == -1)
  12 +     break;
  13 +   /* FALLTHROUGH */
  14      case NEGATE_EXPR:
  15        if ((t1 = extract_muldiv (op0, c, code, wide_type)) != 0)
  16         return fold_build1 (tcode, ctype, fold_convert (ctype, t1));