diff mbox

Dump file usage patterns?

Message ID 4D42EAEA.6040907@codesourcery.com
State New
Headers show

Commit Message

Bernd Schmidt Jan. 28, 2011, 4:12 p.m. UTC 
On 08/25/2010 01:17 PM, Jakub Jelinek wrote:
> On Wed, Aug 25, 2010 at 12:55:07PM +0200, Bernd Schmidt wrote:
>> Should we print cselib
>> information only when given a specific flag - I don't find it very
>> useful and it clutters up the dump files?
> 
> For var-tracking issues it is very useful, but I guess I don't mind enabling
> it with an extra option.

How's this? Bootstrapped and tested on i686-linux.


Bernd
* tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
	* tree-pass.h (TDF_CSELIB): New macro.
	* cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
	cselib_lookup): Check for it rather than for TDF_DETAILS.

Comments

Richard Biener Jan. 28, 2011, 4:29 p.m. UTC | #1 
On Fri, Jan 28, 2011 at 5:12 PM, Bernd Schmidt <bernds@codesourcery.com> wrote:
> On 08/25/2010 01:17 PM, Jakub Jelinek wrote:
>> On Wed, Aug 25, 2010 at 12:55:07PM +0200, Bernd Schmidt wrote:
>>> Should we print cselib
>>> information only when given a specific flag - I don't find it very
>>> useful and it clutters up the dump files?
>>
>> For var-tracking issues it is very useful, but I guess I don't mind enabling
>> it with an extra option.
>
> How's this? Bootstrapped and tested on i686-linux.

Looks good to me.

Richard.

>
> Bernd
>
diff mbox

Patch

Index: tree-dump.c
===================================================================
--- tree-dump.c	(revision 169334)
+++ tree-dump.c	(working copy)
@@ -814,6 +814,7 @@  static const struct dump_option_value_in
   {"raw", TDF_RAW},
   {"graph", TDF_GRAPH},
   {"details", TDF_DETAILS},
+  {"cselib", TDF_CSELIB},
   {"stats", TDF_STATS},
   {"blocks", TDF_BLOCKS},
   {"vops", TDF_VOPS},
Index: tree-pass.h
===================================================================
--- tree-pass.h	(revision 169334)
+++ tree-pass.h	(working copy)
@@ -82,6 +82,7 @@  enum tree_dump_index
 #define TDF_NOUID	(1 << 20)	/* omit UIDs from dumps.  */
 #define TDF_ALIAS	(1 << 21)	/* display alias information  */
 #define TDF_ENUMERATE_LOCALS (1 << 22)	/* Enumerate locals by uid.  */
+#define TDF_CSELIB	(1 << 23)	/* Dump cselib details.  */
 
 
 /* In tree-dump.c */
Index: cselib.c
===================================================================
--- cselib.c	(revision 169334)
+++ cselib.c	(working copy)
@@ -1015,7 +1015,7 @@  new_cselib_val (unsigned int hash, enum 
   e->locs = 0;
   e->next_containing_mem = 0;
 
-  if (dump_file && (dump_flags & TDF_DETAILS))
+  if (dump_file && (dump_flags & TDF_CSELIB))
     {
       fprintf (dump_file, "cselib value %u:%u ", e->uid, hash);
       if (flag_dump_noaddr || flag_dump_unnumbered)
@@ -1132,7 +1132,7 @@  expand_loc (struct elt_loc_list *p, stru
       else if (!REG_P (p->loc))
 	{
 	  rtx result, note;
-	  if (dump_file && (dump_flags & TDF_DETAILS))
+	  if (dump_file && (dump_flags & TDF_CSELIB))
 	    {
 	      print_inline_rtx (dump_file, p->loc, 0);
 	      fprintf (dump_file, "\n");
@@ -1153,7 +1153,7 @@  expand_loc (struct elt_loc_list *p, stru
   if (regno != UINT_MAX)
     {
       rtx result;
-      if (dump_file && (dump_flags & TDF_DETAILS))
+      if (dump_file && (dump_flags & TDF_CSELIB))
 	fprintf (dump_file, "r%d\n", regno);
 
       result = cselib_expand_value_rtx_1 (reg_result, evd, max_depth - 1);
@@ -1161,7 +1161,7 @@  expand_loc (struct elt_loc_list *p, stru
 	return result;
     }
 
-  if (dump_file && (dump_flags & TDF_DETAILS))
+  if (dump_file && (dump_flags & TDF_CSELIB))
     {
       if (reg_result)
 	{
@@ -1302,7 +1302,7 @@  cselib_expand_value_rtx_1 (rtx orig, str
 
 	      bitmap_set_bit (evd->regs_active, regno);
 
-	      if (dump_file && (dump_flags & TDF_DETAILS))
+	      if (dump_file && (dump_flags & TDF_CSELIB))
 		fprintf (dump_file, "expanding: r%d into: ", regno);
 
 	      result = expand_loc (l->elt->locs, evd, max_depth);
@@ -1367,7 +1367,7 @@  cselib_expand_value_rtx_1 (rtx orig, str
       {
 	rtx result;
 
-	if (dump_file && (dump_flags & TDF_DETAILS))
+	if (dump_file && (dump_flags & TDF_CSELIB))
 	  {
 	    fputs ("\nexpanding ", dump_file);
 	    print_rtl_single (dump_file, orig);
@@ -1736,7 +1736,7 @@  cselib_lookup (rtx x, enum machine_mode 
      easiest setting cselib_current_insn to NULL before the call
      above.  */
 
-  if (dump_file && (dump_flags & TDF_DETAILS))
+  if (dump_file && (dump_flags & TDF_CSELIB))
     {
       fputs ("cselib lookup ", dump_file);
       print_inline_rtx (dump_file, x, 2);