Fix sparc regression due to recent movcc pattern changes.

	PR target/49965
	* config/sparc/sparc.c (sparc_expand_conditional_move): Handle the
	fact that sparc_emit_float_lib_cmp modifies the comparison in
	operands[1].

From-SVN: r180982

gcc/ChangeLog

+2011-11-03  David S. Miller  <davem@davemloft.net>
+
+	PR target/49965
+	* config/sparc/sparc.c (sparc_expand_conditional_move): Handle the
+	fact that sparc_emit_float_lib_cmp modifies the comparison in
+	operands[1].
+
 2011-11-05	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* config/lm32/t-rtems: New.

gcc/config/sparc/sparc.c

@@ -11509,12 +11509,16 @@ sparc_expand_conditional_move (enum machine_mode mode, rtx *operands)
   rtx cc_reg, dst, cmp;
 
   cmp = operands[1];
-  cmp_mode = GET_MODE (XEXP (cmp, 0));
-  if (cmp_mode == DImode && !TARGET_ARCH64)
+  if (GET_MODE (XEXP (cmp, 0)) == DImode && !TARGET_ARCH64)
     return false;
 
-  dst = operands[0];
+  if (GET_MODE (XEXP (cmp, 0)) == TFmode && !TARGET_HARD_QUAD)
+    cmp = sparc_emit_float_lib_cmp (XEXP (cmp, 0), XEXP (cmp, 1), rc);
+
+  cmp_mode = GET_MODE (XEXP (cmp, 0));
+  rc = GET_CODE (cmp);
 
+  dst = operands[0];
   if (! rtx_equal_p (operands[2], dst)
       && ! rtx_equal_p (operands[3], dst))
     {
@@ -11533,9 +11537,6 @@ sparc_expand_conditional_move (enum machine_mode mode, rtx *operands)
         rc = reverse_condition (rc);
     }
 
-  if (cmp_mode == TFmode && !TARGET_HARD_QUAD)
-    cmp = sparc_emit_float_lib_cmp (XEXP (cmp, 0), XEXP (cmp, 1), rc);
-
   if (XEXP (cmp, 1) == const0_rtx
       && GET_CODE (XEXP (cmp, 0)) == REG
       && cmp_mode == DImode