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

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
9295a326 · Josef Zlomek · Josef Zlomek · 739e6d58 · 9295a326 · 9295a326
Commit 9295a326 authored Oct 31, 2003 by Josef Zlomek Committed by Josef Zlomek Oct 31, 2003
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gcc/ChangeLog
+5 -0

gcc/cfgrtl.c
+9 -3

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 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
 	* cfgrtl.c (try_redirect_by_replacing_jump): Move jump
 	immediatelly before BARRIER.

--- 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
+  else
-	   && GET_CODE (XEXP (note, 0)) == CODE_LABEL)
+    {
-    LABEL_NUSES (XEXP (note, 0))--;
+      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