From: Joern Rennecke <amylaar@gcc.gnu.org>
Date: Wed, 16 Jun 2004 16:49:22 +0000 (+0100)
Subject: cfglayout.c (fixup_reorder_chain): Handle case where the destination of E_FALL is... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e370de6e30762a5fb49cd39832c6ed98a60bd82b;p=gcc.git

cfglayout.c (fixup_reorder_chain): Handle case where the destination of E_FALL is EXIT_BLOCK_PTR.

	* cfglayout.c (fixup_reorder_chain): Handle case where the
	destination of E_FALL is EXIT_BLOCK_PTR.

From-SVN: r83247
---

diff --git a/gcc/cfglayout.c b/gcc/cfglayout.c
index ca3913f5fdf..0c13c563850 100644
--- a/gcc/cfglayout.c
+++ b/gcc/cfglayout.c
@@ -712,13 +712,15 @@ fixup_reorder_chain (void)
 		  if (note
 		      && INTVAL (XEXP (note, 0)) < REG_BR_PROB_BASE / 2
 		      && invert_jump (bb_end_insn,
-				      label_for_bb (e_fall->dest), 0))
+				      (e_fall->dest == EXIT_BLOCK_PTR
+				       ? NULL_RTX
+				       : label_for_bb (e_fall->dest)), 0))
 		    {
+		      e_fall->flags &= ~EDGE_FALLTHRU;
 #ifdef ENABLE_CHECKING
 		      if (!could_fall_through (e_taken->src, e_taken->dest))
 			abort ();
 #endif
-		      e_fall->flags &= ~EDGE_FALLTHRU;
 		      e_taken->flags |= EDGE_FALLTHRU;
 		      update_br_prob_note (bb);
 		      e = e_fall, e_fall = e_taken, e_taken = e;