re PR target/61360 (ICE: in lra_update_insn_recog_data, at lra.c:1363 with -mtune=bdver4)

2014-09-18  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/61360
	* lra.c (lra): Call recog_init.

2014-09-18  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/61360
	* gcc.target/i386/pr61360.c: New.

From-SVN: r215358

gcc/ChangeLog

+2014-09-18  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR target/61360
+	* lra.c (lra): Call recog_init.
+
 2014-09-18  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/62017

gcc/lra.c

@@ -2135,6 +2135,11 @@ lra (FILE *f)
 
   lra_in_progress = 1;
 
+  /* The enable attributes can change their values as LRA starts
+     although it is a bad practice.  To prevent reuse of the outdated
+     values, clear them.  */
+  recog_init ();
+
   lra_live_range_iter = lra_coalesce_iter = 0;
   lra_constraint_iter = lra_constraint_iter_after_spill = 0;
   lra_inheritance_iter = lra_undo_inheritance_iter = 0;

gcc/testsuite/ChangeLog

+2014-09-18  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR target/61360
+	* gcc.target/i386/pr61360.c: New.
+
 2014-09-18  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/62017

gcc/testsuite/gcc.target/i386/pr61360.c

+/* { dg-do compile } */
+/* { dg-options "-march=amdfam10 -O2" } */
+int a, b, c, e, f, g, h;
+long *d;
+__attribute__((cold)) void fn1() {
+  int i = g | 1;
+  for (; g; h++) {
+    for (; a; e++) d[0] = c;
+    if (0.002 * i) break;
+    for (; b; f++) d[h] = 0;
+  }
+}