(find_splittable_givs): recog_memoized failure return is -1 not 0.

From-SVN: r2283

diff --git a/gcc/unroll.c b/gcc/unroll.c
index 7fa3a54c8316c0cef223f88a7887c5bc986e7980..29d7817f60eaf243caa4b31962e74a71cdfb98cb 100644 (file)
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -2578,7 +2578,7 @@ find_splittable_givs (bl, unroll_type, loop_start, loop_end, increment,
                  emit_insn_before (gen_rtx (SET, VOIDmode, tem,
                                             copy_rtx (v->new_reg)),
                                    loop_start);
-                 if (! recog_memoized (PREV_INSN (loop_start)))
+                 if (recog_memoized (PREV_INSN (loop_start)) < 0)
                    {
                      delete_insn (PREV_INSN (loop_start));
                      emit_iv_add_mult (bl->initial_value, v->mult_val,