Commit a5d5f207 authored by Michael Beck's avatar Michael Beck
Browse files

Probably compute_Cmp() can ge removed at all, compute_Proj_Cmp() does the interesting work.

[r27368]
parent b9ce1245
......@@ -2290,43 +2290,6 @@ static void compute_Eor(node_t *node)
}
} /* compute_Eor */
/**
* (Re-)compute the type for Cmp.
*
* @param node the node
*/
static void compute_Cmp(node_t *node)
{
ir_node *cmp = node->node;
node_t *l = get_irn_node(get_Cmp_left(cmp));
node_t *r = get_irn_node(get_Cmp_right(cmp));
lattice_elem_t a = l->type;
lattice_elem_t b = r->type;
ir_mode *mode = get_irn_mode(get_Cmp_left(cmp));
if (a.tv == tarval_top || b.tv == tarval_top) {
node->type.tv = tarval_top;
} else if (r->part == l->part) {
/* both nodes congruent, we can probably do something */
if (mode_is_float(mode)) {
/* beware of NaN's */
node->type.tv = tarval_bottom;
} else {
node->type.tv = tarval_b_true;
}
} else if (is_con(a) && is_con(b)) {
/* both nodes are constants, we can probably do something */
if (mode_is_float(mode)) {
/* beware of NaN's */
node->type.tv = tarval_bottom;
} else {
node->type.tv = tarval_b_true;
}
} else {
node->type.tv = tarval_bottom;
}
} /* compute_Cmp */
/**
* (Re-)compute the type for a Proj(Cmp).
*
......@@ -3528,7 +3491,6 @@ static void set_compute_functions(void)
SET(Sub);
SET(Eor);
SET(SymConst);
SET(Cmp);
SET(Proj);
SET(Confirm);
SET(Return);
......
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