* gcc/config/rs6000/rs6000.md (*add>mode>3_imm_dot,

	*add<mode>3_imm_dot2): Change the constraint for the second
	alternative for operand 1 from "r" to "b".

From-SVN: r218750

gcc/ChangeLog

+2014-12-15  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	* gcc/config/rs6000/rs6000.md (*add>mode>3_imm_dot,
+	*add<mode>3_imm_dot2): Change the constraint for the second
+	alternative for operand 1 from "r" to "b".
+
 2014-12-15  Richard Biener  <rguenther@suse.de>
 
 	* vec.h (vec::safe_grow): Guard against a grow to zero size.

gcc/config/rs6000/rs6000.md

@@ -1569,7 +1569,7 @@
 
 (define_insn_and_split "*add<mode>3_imm_dot"
   [(set (match_operand:CC 3 "cc_reg_operand" "=x,?y")
-	(compare:CC (plus:GPR (match_operand:GPR 1 "gpc_reg_operand" "%r,r")
+	(compare:CC (plus:GPR (match_operand:GPR 1 "gpc_reg_operand" "%r,b")
 			      (match_operand:GPR 2 "short_cint_operand" "I,I"))
 		    (const_int 0)))
    (clobber (match_scratch:GPR 0 "=r,r"))
@@ -1592,7 +1592,7 @@
 
 (define_insn_and_split "*add<mode>3_imm_dot2"
   [(set (match_operand:CC 3 "cc_reg_operand" "=x,?y")
-	(compare:CC (plus:GPR (match_operand:GPR 1 "gpc_reg_operand" "%r,r")
+	(compare:CC (plus:GPR (match_operand:GPR 1 "gpc_reg_operand" "%r,b")
 			      (match_operand:GPR 2 "short_cint_operand" "I,I"))
 		    (const_int 0)))
    (set (match_operand:GPR 0 "gpc_reg_operand" "=r,r")