jump.c (jump_optimize_1): Remove inactive but real insns in jump-to-next-insn optimization.

        * jump.c (jump_optimize_1): Remove inactive but real insns
        in jump-to-next-insn optimization.

From-SVN: r33966

1 files changed, 7 insertions, 0 deletions

diff --git a/gcc/jump.c b/gcc/jump.c
index 7f42235..bdc1b1a 100644
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -390,6 +390,13 @@ jump_optimize_1 (f, cross_jump, noop_moves, after_regscan,
 	    {
 	      next = next_real_insn (JUMP_LABEL (insn));
 	      delete_jump (insn);
+
+	      /* Remove the "inactive" but "real" insns (i.e. uses and
+	         clobbers) in between here and there.  */
+	      temp = insn;
+	      while ((temp = next_real_insn (temp)) != next)
+		delete_insn (temp);
+
 	      changed = 1;
 	      continue;
 	    }