From: Richard Henderson <rth@cygnus.com>
Date: Wed, 26 Apr 2000 01:10:35 +0000 (-0700)
Subject: * cse.c (cse_insn): Emit barrier after unconditional jump.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=369edff1857ec11057540d163f338090c24572f4;p=gcc.git

* cse.c (cse_insn): Emit barrier after unconditional jump.

From-SVN: r33433
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9cbe4c8f751..921a3d031e0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 2000-04-25  Richard Henderson  <rth@cygnus.com>
 
+        * cse.c (cse_insn): Emit barrier after unconditional jump.
+
 	* calls.c (expand_call): Disable tail call generation once
 	rtx_equal_function_value_matters is false.
 
diff --git a/gcc/cse.c b/gcc/cse.c
index 8c57d791fb7..3e872e2691b 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -5250,6 +5250,11 @@ cse_insn (insn, libcall_insn)
 
 	      PATTERN (insn) = gen_jump (XEXP (trial, 0));
 	      INSN_CODE (insn) = -1;
+
+	      if (NEXT_INSN (insn) != 0
+		  && GET_CODE (NEXT_INSN (insn)) != BARRIER)
+		emit_barrier_after (insn);
+
 	      cse_jumps_altered = 1;
 	      break;
 	    }