[backport r172006 for the second and final fix to PR48403 regression from r171843 <mikpe@it.uu.se>]

gcc/

2011-04-05  Bernd Schmidt  <bernds@codesourcery.com>

	PR bootstrap/48403
	* haifa-sched.c (schedule_block): Increment cycle_issued_insns only
	if old and new states differ.

--- gcc-4.7-20110402/gcc/haifa-sched.c.~1~	2011-04-19 20:50:48.000000000 +0200
+++ gcc-4.7-20110402/gcc/haifa-sched.c	2011-04-19 20:53:20.000000000 +0200
@@ -3230,10 +3230,12 @@ schedule_block (basic_block *target_bb)
 
 	  if (recog_memoized (insn) >= 0)
 	    {
+	      memcpy (temp_state, curr_state, dfa_state_size);
 	      cost = state_transition (curr_state, insn);
 	      if (!flag_sched_pressure)
 		gcc_assert (cost < 0);
-	      cycle_issued_insns++;
+	      if (memcmp (temp_state, curr_state, dfa_state_size) != 0)
+		cycle_issued_insns++;
 	      asm_p = false;
 	    }
 	  else