added lowering for lowered intrinsic operations

[libfirm] / ir / be / ia32 / ia32_optimize.c

diff --git a/ir/be/ia32/ia32_optimize.c b/ir/be/ia32/ia32_optimize.c
index baef41b..2198bc1 100644 (file)
--- a/ir/be/ia32/ia32_optimize.c
+++ b/ir/be/ia32/ia32_optimize.c
@@ -1,4 +1,4 @@
-/*
+/**
  * Project:     libFIRM
  * File name:   ir/be/ia32/ia32_optimize.c
  * Purpose:     Implements several optimizations for IA32
@@ -152,7 +152,7 @@ static entity *get_entity_for_tv(ia32_code_gen_t *cg, ir_node *cnst)
                if (tp == firm_unknown_type)
                        tp = get_prim_type(cg->isa->types, mode);
 
-               res = new_entity(get_glob_type(), unique_id("ia32FloatCnst_%u"), tp);
+               res = new_entity(get_glob_type(), unique_id(".LC%u"), tp);
 
                set_entity_ld_ident(res, get_entity_ident(res));
                set_entity_visibility(res, visibility_local);
@@ -765,8 +765,10 @@ static ia32_am_cand_t is_am_candidate(heights_t *h, const ir_node *block, ir_nod
                other = right;
 
                /* If there is a data dependency of other irn from load: cannot use AM */
-               if (get_nodes_block(other) == block)
-                       is_cand = heights_reachable_in_block(h, get_Proj_pred(other), load) ? 0 : is_cand;
+               if (get_nodes_block(other) == block) {
+                       other   = skip_Proj(other);
+                       is_cand = heights_reachable_in_block(h, other, load) ? 0 : is_cand;
+               }
        }
 
        cand    = is_cand ? IA32_AM_CAND_LEFT : IA32_AM_CAND_NONE;
@@ -781,8 +783,10 @@ static ia32_am_cand_t is_am_candidate(heights_t *h, const ir_node *block, ir_nod
                other = left;
 
                /* If there is a data dependency of other irn from load: cannot use load */
-               if (get_nodes_block(other) == block)
-                       is_cand = heights_reachable_in_block(h, get_Proj_pred(other), load) ? 0 : is_cand;
+               if (get_nodes_block(other) == block) {
+                       other   = skip_Proj(other);
+                       is_cand = heights_reachable_in_block(h, other, load) ? 0 : is_cand;
+               }
        }
 
        cand = is_cand ? (cand | IA32_AM_CAND_RIGHT) : cand;
@@ -1175,7 +1179,7 @@ static ir_node *fold_addr(ia32_code_gen_t *cg, ir_node *irn, ir_node *noreg) {
 
                am_flav = ia32_am_N;
                /* determine new am flavour */
-               if (offs || offs_cnst || offs_lea) {
+               if (offs || offs_cnst || offs_lea || have_am_sc) {
                        am_flav |= ia32_O;
                }
                if (! be_is_NoReg(cg, base)) {
@@ -1518,6 +1522,8 @@ static void optimize_am(ir_node *irn, void *env) {
                                        DBG_OPT_AM_D(load, store, irn);
 
                                        DB((mod, LEVEL_1, "merged with %+F and %+F into dest AM\n", load, store));
+
+                                       need_exchange_on_fail = 0;
                                }
                        } /* if (store) */
                        else if (get_ia32_am_support(irn) & ia32_am_Source) {
@@ -1531,7 +1537,7 @@ static void optimize_am(ir_node *irn, void *env) {
                }
 
                /* was exchanged but optimize failed: exchange back */
-               if (check_am_src && need_exchange_on_fail) {
+               if (need_exchange_on_fail) {
                        exchange_left_right(irn, &left, &right, 3, 2);
                        cand = orig_cand;
                }