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

From-SVN: r33433

* cse.c (cse_insn): Emit barrier after unconditional jump.
From-SVN: r33433
369edff1 · Richard Henderson · Richard Henderson · e2ee9912 · 369edff1 · 369edff1
Commit 369edff1 authored 24 years ago by Richard Henderson Committed by Richard Henderson 24 years ago
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gcc/ChangeLog
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gcc/cse.c
+5 -0

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 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.


--- 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;
 	    }