regmove.c (fixup_match_2): Only access call_used_regs with hard regs.

2011-12-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* regmove.c (fixup_match_2): Only access call_used_regs with hard
	regs.

From-SVN: r182306

gcc/ChangeLog

+2011-12-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+	* regmove.c (fixup_match_2): Only access call_used_regs with hard
+	regs.
+
 2011-12-13  Andrew Pinski  <apinski@cavium.com>
             Adam Nemet  <anemet@caviumnetworks.com>
 

gcc/regmove.c

@@ -859,7 +859,7 @@ fixup_match_2 (rtx insn, rtx dst, rtx src, rtx offset)
 	  if (REG_N_CALLS_CROSSED (REGNO (src)) == 0)
 	    break;
 
-	  if (call_used_regs [REGNO (dst)]
+	  if ((HARD_REGISTER_P (dst) && call_used_regs [REGNO (dst)])
 	      || find_reg_fusage (p, CLOBBER, dst))
 	    break;
 	}