re PR rtl-optimization/57468 (26% performance drop on important benchmark after r199298.)

2013-06-06  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/57468
	* config/i386/i386.c (inline_secondary_memory_needed): Ignore
	spilled pseudos.

From-SVN: r199764

gcc/ChangeLog

 2013-06-06  Vladimir Makarov  <vmakarov@redhat.com>
 
+	PR rtl-optimization/57468
+	* config/i386/i386.c (inline_secondary_memory_needed): Ignore
+	spilled pseudos.
+
+2013-06-06  Vladimir Makarov  <vmakarov@redhat.com>
+
 	PR rtl-optimization/57459
 	* lra-constraints.c (update_ebb_live_info): Fix typo for operand
 	type when setting live regs.

gcc/config/i386/i386.c

@@ -33951,6 +33951,8 @@ static inline bool
 inline_secondary_memory_needed (enum reg_class class1, enum reg_class class2,
 				enum machine_mode mode, int strict)
 {
+  if (lra_in_progress && (class1 == NO_REGS || class2 == NO_REGS))
+    return false;
   if (MAYBE_FLOAT_CLASS_P (class1) != FLOAT_CLASS_P (class1)
       || MAYBE_FLOAT_CLASS_P (class2) != FLOAT_CLASS_P (class2)
       || MAYBE_SSE_CLASS_P (class1) != SSE_CLASS_P (class1)