re PR tree-optimization/48184 (ICE: SIGFPE (division by zero) in…

re PR tree-optimization/48184 (ICE: SIGFPE (division by zero) in compute_alignments () at final.c:731 with --param align-threshold=0 on basic code)

	PR tree-optimization/48184
	* params.def (PARAM_ALIGN_THRESHOLD): Increase the minimum
	value to 1.

From-SVN: r197816

gcc/ChangeLog

+2013-04-11  Marek Polacek  <polacek@redhat.com>
+
+	PR tree-optimization/48184
+	* params.def (PARAM_ALIGN_THRESHOLD): Increase the minimum
+	value to 1.
+
 2013-04-11  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* stor-layout.c (skip_simple_constant_arithmetic): Move to...

gcc/params.def

@@ -376,7 +376,7 @@ DEFPARAM(HOT_BB_FREQUENCY_FRACTION,
 DEFPARAM (PARAM_ALIGN_THRESHOLD,
 	  "align-threshold",
 	  "Select fraction of the maximal frequency of executions of basic block in function given basic block get alignment",
-	  100, 0, 0)
+	  100, 1, 0)
 
 DEFPARAM (PARAM_ALIGN_LOOP_ITERATIONS,
 	  "align-loop-iterations",