(follow_jumps): Don't follow tablejumps.

From-SVN: r6361

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/jump.c b/gcc/jump.c
index 9e0230f..cca2c0a 100644
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -2925,6 +2925,12 @@ follow_jumps (label)
       /* If we have found a cycle, make the insn jump to itself.  */
       if (JUMP_LABEL (insn) == label)
 	return label;
+
+      tem = next_active_insn (JUMP_LABEL (insn));
+      if (tem && (GET_CODE (PATTERN (tem)) == ADDR_VEC
+		  || GET_CODE (PATTERN (tem)) == ADDR_DIFF_VEC))
+	break;
+
       value = JUMP_LABEL (insn);
     }
   if (depth == 10)