Use counter_mode on count_exp to get mode

gcc/

	PR target/60868
	* config/i386/i386.c (ix86_expand_set_or_movmem): Call counter_mode 
	on count_exp to get mode.

gcc/testsuite/

	PR target/60868
	* gcc.target/i386/pr60868.c: New testcase.

From-SVN: r209648

gcc/ChangeLog

+2014-04-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR target/60868
+	* config/i386/i386.c (ix86_expand_set_or_movmem): Call counter_mode 
+	on count_exp to get mode.
+
 2014-04-22  Andrew Pinski  <apinski@cavium.com>
 
 	* config/aarch64/aarch64.c (aarch64_load_symref_appropriately):

gcc/config/i386/i386.c

@@ -24384,7 +24384,8 @@ ix86_expand_set_or_movmem (rtx dst, rtx src, rtx count_exp, rtx val_exp,
 	  if (jump_around_label == NULL_RTX)
 	    jump_around_label = gen_label_rtx ();
 	  emit_cmp_and_jump_insns (count_exp, GEN_INT (dynamic_check - 1),
-				   LEU, 0, GET_MODE (count_exp), 1, hot_label);
+				   LEU, 0, counter_mode (count_exp),
+				   1, hot_label);
 	  predict_jump (REG_BR_PROB_BASE * 90 / 100);
 	  if (issetmem)
 	    set_storage_via_libcall (dst, count_exp, val_exp, false);

gcc/testsuite/ChangeLog

+2014-04-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR target/60868
+	* gcc.target/i386/pr60868.c: New testcase.
+
 2014-04-22  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/59073

gcc/testsuite/gcc.target/i386/pr60868.c

+/* { dg-do compile } */
+/* { dg-options "-O0 -minline-all-stringops -minline-stringops-dynamically -march=core2" } */
+
+void bar (float *);
+
+void foo (void)
+{
+  float b[256] = {0};
+  bar(b);
+}