From: Josef Zlomek <zlomekj@suse.cz>
Date: Fri, 31 Oct 2003 14:19:03 +0000 (+0100)
Subject: cfgrtl.c (delete_insn): Decrease LABEL_NUSES for all REG_LABEL notes.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9295a326c0145a0ace14b974615a605741898aa9;p=gcc.git

cfgrtl.c (delete_insn): Decrease LABEL_NUSES for all REG_LABEL notes.

	PR/10239
	* cfgrtl.c (delete_insn): Decrease LABEL_NUSES for all REG_LABEL notes.

From-SVN: r73145
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1613d2f35ec..24954ff60e8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-31  Josef Zlomek  <zlomekj@suse.cz>
+
+	PR/10239
+	* cfgrtl.c (delete_insn): Decrease LABEL_NUSES for all REG_LABEL notes.
+
 2003-10-31  Josef Zlomek  <zlomekj@suse.cz>
 
 	PR/11640
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index 7354c73c7fb..5769ef366b5 100644
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -156,9 +156,15 @@ delete_insn (rtx insn)
     LABEL_NUSES (JUMP_LABEL (insn))--;
 
   /* Also if deleting an insn that references a label.  */
-  else if ((note = find_reg_note (insn, REG_LABEL, NULL_RTX)) != NULL_RTX
-	   && GET_CODE (XEXP (note, 0)) == CODE_LABEL)
-    LABEL_NUSES (XEXP (note, 0))--;
+  else
+    {
+      while ((note = find_reg_note (insn, REG_LABEL, NULL_RTX)) != NULL_RTX
+	     && GET_CODE (XEXP (note, 0)) == CODE_LABEL)
+	{
+	  LABEL_NUSES (XEXP (note, 0))--;
+	  remove_note (insn, note);
+	}
+    }
 
   if (GET_CODE (insn) == JUMP_INSN
       && (GET_CODE (PATTERN (insn)) == ADDR_VEC