From: steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 13 May 2006 23:14:47 +0000 (+0000)
Subject: 	* df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=commitdiff_plain;h=6151bbc32ccc2435e7618baf720840ee8a721c4a;ds=sidebyside

	* df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
	information attached to non-INSNs such as NOTEs.
	(df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@113748 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e8f8d076321..e5c70501d1b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-05-13  Steven Bosscher  <stevenb.gcc@gmail.com>
+
+	* df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
+	information attached to non-INSNs such as NOTEs.
+	(df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
+
 2006-05-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 
 	* config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
diff --git a/gcc/df-core.c b/gcc/df-core.c
index 4c53e8c86f2..0619c200bdc 100644
--- a/gcc/df-core.c
+++ b/gcc/df-core.c
@@ -915,10 +915,14 @@ df_bb_regno_last_use_find (struct df *df, basic_block bb, unsigned int regno)
 {
   rtx insn;
   struct df_ref *use;
+  unsigned int uid;
 
   FOR_BB_INSNS_REVERSE (bb, insn)
     {
-      unsigned int uid = INSN_UID (insn);
+      if (!INSN_P (insn))
+	continue;
+
+      uid = INSN_UID (insn);
       for (use = DF_INSN_UID_GET (df, uid)->uses; use; use = use->next_ref)
 	if (DF_REF_REGNO (use) == regno)
 	  return use;
@@ -934,10 +938,14 @@ df_bb_regno_first_def_find (struct df *df, basic_block bb, unsigned int regno)
 {
   rtx insn;
   struct df_ref *def;
+  unsigned int uid;
 
   FOR_BB_INSNS (bb, insn)
     {
-      unsigned int uid = INSN_UID (insn);
+      if (!INSN_P (insn))
+	continue;
+
+      uid = INSN_UID (insn);
       for (def = DF_INSN_UID_GET (df, uid)->defs; def; def = def->next_ref)
 	if (DF_REF_REGNO (def) == regno)
 	  return def;
@@ -953,11 +961,14 @@ df_bb_regno_last_def_find (struct df *df, basic_block bb, unsigned int regno)
 {
   rtx insn;
   struct df_ref *def;
+  unsigned int uid;
 
   FOR_BB_INSNS_REVERSE (bb, insn)
     {
-      unsigned int uid = INSN_UID (insn);
+      if (!INSN_P (insn))
+	continue;
 
+      uid = INSN_UID (insn);
       for (def = DF_INSN_UID_GET (df, uid)->defs; def; def = def->next_ref)
 	if (DF_REF_REGNO (def) == regno)
 	  return def;