===================================================================
@@ -297,8 +297,11 @@ find_comparisons_in_bb (struct dom_walk_data *data
src = conforming_compare (insn);
if (src)
{
+ enum machine_mode src_mode = GET_MODE (src);
+
/* Eliminate a compare that's redundant with the previous. */
if (last_cmp_valid
+ && src_mode == last_cmp->orig_mode
&& rtx_equal_p (last_cmp->in_a, XEXP (src, 0))
&& rtx_equal_p (last_cmp->in_b, XEXP (src, 1)))
{
@@ -311,7 +314,7 @@ find_comparisons_in_bb (struct dom_walk_data *data
last_cmp->prev_clobber = last_clobber;
last_cmp->in_a = XEXP (src, 0);
last_cmp->in_b = XEXP (src, 1);
- last_cmp->orig_mode = GET_MODE (SET_DEST (single_set (insn)));
+ last_cmp->orig_mode = src_mode;
VEC_safe_push (comparison_struct_p, heap, all_compares, last_cmp);
/* It's unusual, but be prepared for comparison patterns that