constraints.md (U): New constraint.

	* config/rl78/constraints.md (U): New constraint.
	* config/rl78/rl78.md (mulqi3_rl78,mulhi3_rl78,mulhi3_g13): Add
	valloc attribute.

From-SVN: r199976

gcc/ChangeLog

+2013-06-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
+
+	* config/rl78/constraints.md (U): New constraint.
+	* config/rl78/rl78.md (*mulqi3_rl78,*mulhi3_rl78,*mulhi3_g13): Add
+	valloc attribute.
+
+
 2013-06-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
 	PR target/57589

gcc/config/rl78/rl78.md

@@ -276,6 +276,7 @@
 	mov    a, x
 	mov    %h0, a
 	; end of mulqi macro"
+;;  [(set_attr "valloc" "macax")]
 )
 
 (define_insn "*mulhi3_rl78"
@@ -290,6 +291,7 @@
 	mulhu   ; bcax = bc * ax
 	movw    %h0, ax
 	; end of mulhi macro"
+;;  [(set_attr "valloc" "macax")]
 )
 
 (define_insn "*mulhi3_g13"
@@ -309,6 +311,7 @@
 	movw    ax, 0xffff6     ; MDBL
 	movw    %h0, ax
         ; end of mulhi macro"
+;;  [(set_attr "valloc" "umul")]
 )
 
 ;; 0xFFFF0 is MACR(L).  0xFFFF2 is MACR(H) but we don't care about it