rs6000.md (allocate_stack): Use _stack form of patterns when updating the back chain.

	* config/rs6000/rs6000.md (allocate_stack): Use _stack form of
	patterns when updating the back chain.  Missed in the 2009-02-10
	change.

From-SVN: r144120

gcc/ChangeLog

+2009-02-12  Ben Elliston  <bje@au.ibm.com>
+
+	* config/rs6000/rs6000.md (allocate_stack): Use _stack form of
+	patterns when updating the back chain.  Missed in the 2009-02-10
+	change.
+
 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
 
 	* doc/extend.texi (Decimal Floating Types): Update identifier of

gcc/config/rs6000/rs6000.md

@@ -10598,8 +10598,8 @@
   else
     neg_op0 = GEN_INT (- INTVAL (operands[1]));
 
-  insn = emit_insn ((* ((TARGET_32BIT) ? gen_movsi_update
-				       : gen_movdi_di_update))
+  insn = emit_insn ((* ((TARGET_32BIT) ? gen_movsi_update_stack
+				       : gen_movdi_di_update_stack))
 			(stack_pointer_rtx, stack_pointer_rtx, neg_op0,
 			 chain));
   /* Since we didn't use gen_frame_mem to generate the MEM, grab