From: Jan Hubicka <jh@suse.cz>
Date: Mon, 14 Jan 2002 19:29:08 +0000 (+0100)
Subject: unroll.c (final_reg_note_copy): Properly handle REG_LABEL
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=494c950b2f873c82695aab855a90f1a6cd97e3df;p=gcc.git

unroll.c (final_reg_note_copy): Properly handle REG_LABEL

	* unroll.c (final_reg_note_copy): Properly handle
	REG_LABEL
	(unroll_loops): Fix LOOP_CONDITION heuristics.

From-SVN: r48839
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4565c57d90a..46495eb2d7c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+Mon Jan 14 20:23:34 CET 2002  Jan Hubicka  <jh@suse.cz>
+
+	* unroll.c (final_reg_note_copy): Properly handle
+	REG_LABEL
+	(unroll_loops): Fix LOOP_CONDITION heuristics.
+
 2002-01-14  Geoffrey Keating  <geoffk@redhat.com>
 
 	* doc/invoke.texi (Xstormy16 Options): Add xstormy16 option.
diff --git a/gcc/unroll.c b/gcc/unroll.c
index aa1b2c68448..a47fdbe8958 100644
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -987,7 +987,7 @@ unroll_loop (loop, insn_count, strength_reduce_p)
 				       less_p ? GE : LE, NULL_RTX,
 				       mode, unsigned_p, labels[1]);
 	      predict_insn_def (get_last_insn (), PRED_LOOP_CONDITION,
-				NOT_TAKEN);
+				TAKEN);
 	      JUMP_LABEL (get_last_insn ()) = labels[1];
 	      LABEL_NUSES (labels[1])++;
 	    }
@@ -1741,16 +1741,11 @@ final_reg_note_copy (notesp, map)
 	    {
 	      rtx insn = map->insn_map[INSN_UID (XEXP (note, 0))];
 
-	      /* If we failed to remap the note, something is awry.
-		 Allow REG_LABEL as it may reference label outside
-		 the unrolled loop.  */
+	      /* If we failed to remap the note, something is awry.  */
 	      if (!insn)
-		{
-		  if (REG_NOTE_KIND (note) != REG_LABEL)
-		    abort ();
-		}
-	      else
-	        XEXP (note, 0) = insn;
+		abort ();
+
+	      XEXP (note, 0) = insn;
 	    }
 	}