i386.md (xbegin): Remove constraint from expander.

	* config/i386/i386.md (xbegin): Remove constraint from expander.

From-SVN: r185351

gcc/ChangeLog

 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 
+	* config/i386/i386.md (xbegin): Remove constraint from expander.
+
+2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
+
 	* config/i386/predicates.md (constant_call_address_operand): Declare
 	as special predicate.  Update all uses.
 	* config/i386/i386.md: Remove mode from constant_call_address_operand

gcc/config/i386/i386.md

@@ -18206,7 +18206,7 @@
    (set_attr "memory" "unknown")])
 
 (define_expand "xbegin"
-  [(set (match_operand:SI 0 "register_operand" "=a")
+  [(set (match_operand:SI 0 "register_operand" "")
 	(unspec_volatile:SI [(match_dup 1)] UNSPECV_XBEGIN))]
   "TARGET_RTM"
 {
@@ -18258,8 +18258,8 @@
 {
   emit_insn (gen_xtest_1 ());
 
-  ix86_expand_setcc (operands[0], EQ, gen_rtx_REG (CCZmode, FLAGS_REG), const0_rtx);
-
+  ix86_expand_setcc (operands[0], EQ,
+		     gen_rtx_REG (CCZmode, FLAGS_REG), const0_rtx);
   DONE;
 })