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-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/dse.c7
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 66093b1..1e06e7f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
2011-11-30 Jakub Jelinek <jakub@redhat.com>
+ PR rtl-optimization/51044
+ * dse.c (emit_inc_dec_insn_before): Ensure new_insn is an instruction
+ rather than just insn body.
+
PR target/50725
* function.c (thread_prologue_and_epilogue_insns): If
stack_realign_drap, add drap_reg to SET_UP_BY_PROLOGUE
diff --git a/gcc/dse.c b/gcc/dse.c
index ddabd3d..13d2f27 100644
--- a/gcc/dse.c
+++ b/gcc/dse.c
@@ -895,7 +895,12 @@ emit_inc_dec_insn_before (rtx mem ATTRIBUTE_UNUSED,
/* We can reuse all operands without copying, because we are about
to delete the insn that contained it. */
if (srcoff)
- new_insn = gen_add3_insn (dest, src, srcoff);
+ {
+ start_sequence ();
+ emit_insn (gen_add3_insn (dest, src, srcoff));
+ new_insn = get_insns ();
+ end_sequence ();
+ }
else
new_insn = gen_move_insn (dest, src);
info.first = new_insn;