static pmap *lowered_type;
/** The types for the binop and unop intrinsics. */
-static ir_type *binop_tp_u, *binop_tp_s, *unop_tp_u, *unop_tp_s, *tp_s, *tp_u;
+static ir_type *binop_tp_u, *binop_tp_s, *unop_tp_u, *unop_tp_s, *shiftop_tp_u, *shiftop_tp_s, *tp_s, *tp_u;
/** the debug handle */
DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
typedef struct _lower_env_t {
node_entry_t **entries; /**< entries per node */
struct obstack obst; /**< an obstack holding the temporary data */
- tarval *tv_mode_bytes; /**< a tarval containing the number of bits in the lowered modes */
+ tarval *tv_mode_bytes; /**< a tarval containing the number of bytes in the lowered modes */
+ tarval *tv_mode_bits; /**< a tarval containing the number of bits in the lowered modes */
pdeq *waitq; /**< a wait queue of all nodes that must be handled later */
pmap *proj_2_block; /**< a map from ProjX to its destination blocks */
const lwrdw_param_t *params; /**< transformation parameter */
tv_l = tarval_convert_to(tv, mode);
low = new_rd_Const(dbg, current_ir_graph, block, mode, tv_l);
- tv_h = tarval_convert_to(tarval_shrs(tv, env->tv_mode_bytes), mode);
+ tv_h = tarval_convert_to(tarval_shrs(tv, env->tv_mode_bits), mode);
high = new_rd_Const(dbg, current_ir_graph, block, mode, tv_h);
idx = get_irn_idx(node);
env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, irn, mode, 1);
}
+/**
+ * Translate a Shiftop.
+ *
+ * Create an intrinsic Call.
+ */
+static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env) {
+ ir_node *block, *irn;
+ ir_node *in[3];
+ dbg_info *dbg;
+ ir_type *mtp;
+ int idx;
+ node_entry_t *entry;
+
+ irn = get_binop_left(node);
+ entry = env->entries[get_irn_idx(irn)];
+ assert(entry);
+
+ if (! entry->low_word) {
+ /* not ready yet, wait */
+ pdeq_putr(env->waitq, node);
+ return;
+ }
+
+ in[0] = entry->low_word;
+ in[1] = entry->high_word;
+
+ /* The shift count is always mode_Iu in firm, so there is no need for lowering */
+ in[2] = get_binop_right(node);
+
+ dbg = get_irn_dbg_info(node);
+ block = get_nodes_block(node);
+
+ mtp = mode_is_signed(mode) ? shiftop_tp_s : shiftop_tp_u;
+ irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, block, env);
+ irn = new_rd_Call(dbg, current_ir_graph, block, get_irg_no_mem(current_ir_graph),
+ irn, 3, in, mtp);
+ set_irn_pinned(irn, get_irn_pinned(node));
+ irn = new_r_Proj(current_ir_graph, block, irn, mode_T, pn_Call_T_result);
+
+ idx = get_irn_idx(node);
+ assert(idx < env->n_entries);
+ env->entries[idx]->low_word = new_r_Proj(current_ir_graph, block, irn, mode, 0);
+ env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, irn, mode, 1);
+}
+
/**
* Translate an Unop.
*
else
set_method_param_type(res, n_param++, tp);
}
+ else
+ set_method_param_type(res, n_param++, tp);
}
for (i = n_res = 0; i < r; ++i) {
ir_type *tp = get_method_res_type(mtp, i);
else
set_method_res_type(res, n_res++, tp);
}
+ else
+ set_method_res_type(res, n_res++, tp);
}
set_lowered_type(mtp, res);
pmap_insert(lowered_type, mtp, res);
return;
FIRM_DBG_REGISTER(dbg, "firm.lower.dw");
- firm_dbg_set_mask(dbg, SET_LEVEL_2);
assert(2 * get_mode_size_bits(param->low_signed) == get_mode_size_bits(param->high_signed));
assert(2 * get_mode_size_bits(param->low_unsigned) == get_mode_size_bits(param->high_unsigned));
if (! binop_tp_u) {
binop_tp_u = new_type_method(IDENT("binop_u_intrinsic"), 4, 2);
-
set_method_param_type(binop_tp_u, 0, tp_u);
set_method_param_type(binop_tp_u, 1, tp_u);
set_method_param_type(binop_tp_u, 2, tp_u);
set_method_res_type(binop_tp_s, 0, tp_s);
set_method_res_type(binop_tp_s, 1, tp_s);
}
+ if (! shiftop_tp_u) {
+ shiftop_tp_u = new_type_method(IDENT("shiftop_u_intrinsic"), 3, 2);
+ set_method_param_type(shiftop_tp_u, 0, tp_u);
+ set_method_param_type(shiftop_tp_u, 1, tp_u);
+ set_method_param_type(shiftop_tp_u, 2, tp_u);
+ set_method_res_type(shiftop_tp_u, 0, tp_u);
+ set_method_res_type(shiftop_tp_u, 1, tp_u);
+ }
+ if (! shiftop_tp_s) {
+ shiftop_tp_s = new_type_method(IDENT("shiftop_s_intrinsic"), 3, 2);
+ set_method_param_type(shiftop_tp_s, 0, tp_s);
+ set_method_param_type(shiftop_tp_s, 1, tp_s);
+ /* beware: shift count is always mode_Iu */
+ set_method_param_type(shiftop_tp_s, 2, tp_u);
+ set_method_res_type(shiftop_tp_s, 0, tp_s);
+ set_method_res_type(shiftop_tp_s, 1, tp_s);
+ }
if (! unop_tp_u) {
unop_tp_u = new_type_method(IDENT("unop_u_intrinsic"), 2, 2);
set_method_param_type(unop_tp_u, 0, tp_u);
}
lenv.tv_mode_bytes = new_tarval_from_long(get_mode_size_bytes(param->low_unsigned), mode_Iu);
+ lenv.tv_mode_bits = new_tarval_from_long(get_mode_size_bits(param->low_unsigned), mode_Iu);
lenv.waitq = new_pdeq();
lenv.params = param;
#define LOWER2(op, fkt) op_##op->ops.generic = (op_func)fkt
#define LOWER(op) LOWER2(op, lower_##op)
#define LOWER_BIN(op) LOWER2(op, lower_Binop)
+#define LOWER_SHIFT(op) LOWER2(op, lower_Shiftop)
#define LOWER_UN(op) LOWER2(op, lower_Unop)
LOWER(Load);
LOWER_BIN(Add);
LOWER_BIN(Sub);
LOWER_BIN(Mul);
- LOWER_BIN(Shl);
- LOWER_BIN(Shr);
- LOWER_BIN(Shrs);
- LOWER_BIN(Rot);
+ LOWER_SHIFT(Shl);
+ LOWER_SHIFT(Shr);
+ LOWER_SHIFT(Shrs);
+ LOWER_SHIFT(Rot);
LOWER_UN(Minus);
LOWER(DivMod);
LOWER(Div);
projects / libfirm / blobdiff