sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.

	* sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
	(sched_analyze_insn): Don't postprocess speculative dependencies when
	target has no scheduling.
	* tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
	'uninitialized' warning.

From-SVN: r127989

gcc/ChangeLog

+2007-08-31  Maxim Kuvyrkov  <maxim@codesourcery.com>
+
+	* sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
+	(sched_analyze_insn): Don't postprocess speculative dependencies when
+	target has no scheduling.
+	* tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
+	'uninitialized' warning.
+
 2007-08-31  Richard Guenther  <rguenther@suse.de>
 
 	* tree.c (build_complex_type): Always set TYPE_NAME for

gcc/sched-deps.c

@@ -943,7 +943,9 @@ change_spec_dep_to_hard (sd_iterator_def sd_it)
    data-speculative dependence should be updated.  */
 static enum DEPS_ADJUST_RESULT
 update_dep (dep_t dep, dep_t new_dep,
-	    sd_iterator_def sd_it, rtx mem1, rtx mem2)
+	    sd_iterator_def sd_it ATTRIBUTE_UNUSED,
+	    rtx mem1 ATTRIBUTE_UNUSED,
+	    rtx mem2 ATTRIBUTE_UNUSED)
 {
   enum DEPS_ADJUST_RESULT res = DEP_PRESENT;
   enum reg_note old_type = DEP_TYPE (dep);
@@ -2200,6 +2202,7 @@ sched_analyze_insn (struct deps *deps, rtx x, rtx insn)
   if (SCHED_GROUP_P (insn))
     fixup_sched_groups (insn);
 
+#ifdef INSN_SCHEDULING
   if ((current_sched_info->flags & DO_SPECULATION)
       && !sched_insn_is_legitimate_for_speculation_p (insn, 0))
     /* INSN has an internal dependency (e.g. r14 = [r14]) and thus cannot
@@ -2212,6 +2215,7 @@ sched_analyze_insn (struct deps *deps, rtx x, rtx insn)
 	   sd_iterator_cond (&sd_it, &dep);)
 	change_spec_dep_to_hard (sd_it);
     }
+#endif
 }
 
 /* Analyze every insn between HEAD and TAIL inclusive, creating backward

gcc/tree-vect-transform.c

@@ -124,7 +124,7 @@ vect_estimate_min_profitable_iters (loop_vec_info loop_vinfo)
   basic_block *bbs = LOOP_VINFO_BBS (loop_vinfo);
   int nbbs = loop->num_nodes;
   int byte_misalign;
-  int innerloop_iters, factor;
+  int innerloop_iters = 0, factor;
 
   /* Cost model disabled.  */
   if (!flag_vect_cost_model)