re PR target/89112 (Incorrect code generated by rs6000 memcmp expansion)

2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>

	PR target/89112
	* config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
	for the long branch case.

From-SVN: r268546

gcc/ChangeLog

+2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
+
+	PR target/89112
+	* config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
+	for the long branch case.
+
 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/89188

gcc/config/rs6000/rs6000.md

@@ -12639,8 +12639,8 @@
   else
     {
       static char seq[96];
-      char *bcs = output_cbranch (operands[3], "$+8", 1, insn);
-      sprintf(seq, "<bd_neg> $+12\;%s;b %%l0", bcs);
+      char *bcs = output_cbranch (operands[3], ".Lshort%=", 1, insn);
+      sprintf(seq, "<bd_neg> .Lshort%%=\;%s\;b %%l0\;.Lshort%%=:", bcs);
       return seq;
     }
 }