jump.c (jump_optimize): Correctly identify branches to the end of a function so…

jump.c (jump_optimize): Correctly identify branches to the end of a function so that they may be turned... * jump.c (jump_optimize): Correctly identify branches to the end of a function so that they may be turned into RETURN insns. From-SVN: r4903

jump.c (jump_optimize): Correctly identify branches to the end of a function so…
jump.c (jump_optimize): Correctly identify branches to the end of a function so that they may be turned... * jump.c (jump_optimize): Correctly identify branches to the end of a function so that they may be turned into RETURN insns. From-SVN: r4903
8e318904 · Jeff Law · 0d8c1ccd · 8e318904
Commit 8e318904 authored Jul 10, 1993 by Jeff Law
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gcc/jump.c
+3 -1

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--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -641,7 +641,9 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
 	  /* If a jump references the end of the function, try to turn
 	     it into a RETURN insn, possibly a conditional one.  */
 	  if (JUMP_LABEL (insn)
-	      && next_active_insn (JUMP_LABEL (insn)) == 0)
+	      && (next_active_insn (JUMP_LABEL (insn)) == 0
+		  || GET_CODE (PATTERN (next_active_insn (JUMP_LABEL (insn))))
+		      == RETURN))
 	    changed |= redirect_jump (insn, NULL_RTX);

 	  /* Detect jump to following insn.  */