re PR middle-end/53823 (FAIL: gcc.c-torture/execute/930921-1.c execution at -O0 and -O1)

	PR middle-end/53823
	* expmed.c (expand_mult): Skip synth_mult for constant double op1 except
	for special cases.  Don't initialize coeff and is_neg.

From-SVN: r189980

gcc/ChangeLog

+2012-07-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	PR middle-end/53823
+	* expmed.c (expand_mult): Skip synth_mult for constant double op1 except
+	for special cases.  Don't initialize coeff and is_neg.
+
 2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
 	    Richard Earnshaw  <rearnsha@arm.com>
 

gcc/expmed.c

@@ -3176,8 +3176,8 @@ expand_mult (enum machine_mode mode, rtx op0, rtx op1, rtx target,
   if (INTEGRAL_MODE_P (mode))
     {
       rtx fake_reg;
-      HOST_WIDE_INT coeff = 0;
-      bool is_neg = false;
+      HOST_WIDE_INT coeff;
+      bool is_neg;
       int mode_bitsize;
 
       if (op1 == CONST0_RTX (mode))
@@ -3230,6 +3230,8 @@ expand_mult (enum machine_mode mode, rtx op0, rtx op1, rtx target,
 		}
 	      goto skip_synth;
 	    }
+	  else
+	    goto skip_synth;
 	}
       else
 	goto skip_synth;