--- /dev/null
+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));
--- /dev/null
+--- trunk/gcc/config/arm/arm.c 2006/09/19 13:18:27 117055
++++ trunk/gcc/config/arm/arm.c 2006/09/19 13:19:24 117056
+@@ -15415,6 +15415,15 @@
+ /* Move from sp to reg. */
+ asm_fprintf (asm_out_file, "\t.movsp %r\n", REGNO (e0));
+ }
++ else if (GET_CODE (e1) == PLUS
++ && GET_CODE (XEXP (e1, 0)) == REG
++ && REGNO (XEXP (e1, 0)) == SP_REGNUM
++ && GET_CODE (XEXP (e1, 1)) == CONST_INT)
++ {
++ /* Set reg to offset from sp. */
++ asm_fprintf (asm_out_file, "\t.movsp %r, #%d\n",
++ REGNO (e0), (int)INTVAL(XEXP (e1, 1)));
++ }
+ else
+ abort ();
+ break;