dbgcnt.def (cfg_cleanup, [...]): New counters.

        * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
        dse2, gcse, if_conversion, if_after_combine, if_after_reload,
        jump_bypass): New counters.
        * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
        * dce.c (gate_ud_dce): Same.
        (gate_fast_dce): Same.
        * dse.c (gate_dse1): New function.
        (gate_dse2): New function.
        (gate_dse): Merge results of new gate functions.
        * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
        (gate_handle_jump_bypass): Add dbg_cnt.
        (gate_handle_gcse): Add dbg_cnt.
        * ifcvt.c (gate_handle_if_conversion): Same.
        (gate_handle_if_after_combine): Same.
        (gate_handle_if_after_reload): Same.
        * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.

From-SVN: r132684

1 files changed, 21 insertions, 12 deletions

diff --git a/gcc/gcse.c b/gcc/gcse.c
index 8cb5d38..c9c8b4c 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -718,9 +718,12 @@ gcse_main (rtx f ATTRIBUTE_UNUSED)
 
       /* Don't allow constant propagation to modify jumps
 	 during this pass.  */
-      timevar_push (TV_CPROP1);
-      changed = one_cprop_pass (pass + 1, false, false);
-      timevar_pop (TV_CPROP1);
+      if (dbg_cnt (cprop1))
+	{
+	  timevar_push (TV_CPROP1);
+	  changed = one_cprop_pass (pass + 1, false, false);
+	  timevar_pop (TV_CPROP1);
+	}
 
       if (optimize_size)
 	/* Do nothing.  */ ;
@@ -783,13 +786,17 @@ gcse_main (rtx f ATTRIBUTE_UNUSED)
   /* Do one last pass of copy propagation, including cprop into
      conditional jumps.  */
 
-  max_gcse_regno = max_reg_num ();
-  alloc_gcse_mem ();
-  /* This time, go ahead and allow cprop to alter jumps.  */
-  timevar_push (TV_CPROP2);
-  one_cprop_pass (pass + 1, true, true);
-  timevar_pop (TV_CPROP2);
-  free_gcse_mem ();
+  if (dbg_cnt (cprop2))
+    {
+      max_gcse_regno = max_reg_num ();
+      alloc_gcse_mem ();
+
+      /* This time, go ahead and allow cprop to alter jumps.  */
+      timevar_push (TV_CPROP2);
+      one_cprop_pass (pass + 1, true, true);
+      timevar_pop (TV_CPROP2);
+      free_gcse_mem ();
+    }
 
   if (dump_file)
     {
@@ -6666,7 +6673,8 @@ is_too_expensive (const char *pass)
 static bool
 gate_handle_jump_bypass (void)
 {
-  return optimize > 0 && flag_gcse;
+  return optimize > 0 && flag_gcse
+    && dbg_cnt (jump_bypass);
 }
 
 /* Perform jump bypassing and control flow optimizations.  */
@@ -6705,7 +6713,8 @@ struct tree_opt_pass pass_jump_bypass =
 static bool
 gate_handle_gcse (void)
 {
-  return optimize > 0 && flag_gcse;
+  return optimize > 0 && flag_gcse
+    && dbg_cnt (gcse);
 }