#include "pdeq.h"
#include "irdump.h"
-/** A map from ir_op to Intrinsic functions entities. */
+/** A map from mode to a primitive type. */
+static pmap *prim_types;
+
+/** A map from (op, imode, omode) to Intrinsic functions entities. */
static set *intrinsic_fkt;
+/** A map from (imode, omode) to conv function types. */
+static set *conv_types;
+
/** A map from a method type to its lowered type. */
static pmap *lowered_type;
DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
/**
- * An entry in the (op, mode) -> entity map.
+ * An entry in the (op, imode, omode) -> entity map.
*/
typedef struct _op_mode_entry {
const ir_op *op; /**< the op */
- const ir_mode *mode; /**< the mode */
- entity *ent; /**< the associated entity of this (op, mode) pair */
+ const ir_mode *imode; /**< the input mode */
+ const ir_mode *omode; /**< the output mode */
+ entity *ent; /**< the associated entity of this (op, imode, omode) triple */
} op_mode_entry_t;
+/**
+ * An entry in the (imode, omode) -> tp map.
+ */
+typedef struct _conv_tp_entry {
+ const ir_mode *imode; /**< the input mode */
+ const ir_mode *omode; /**< the output mode */
+ ir_type *mtd; /**< the associated method type of this (imode, omode) pair */
+} conv_tp_entry_t;
+
/**
* Every double word node will be replaced,
* we need some store to hold the replacement:
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 */
int n_entries; /**< number of entries */
} lower_env_t;
+/**
+ * Get a primitive mode for a mode.
+ */
+static ir_type *get_primitive_type(ir_mode *mode) {
+ pmap_entry *entry = pmap_find(prim_types, mode);
+ ir_type *tp;
+ char buf[64];
+
+ if (entry)
+ return entry->value;
+
+ snprintf(buf, sizeof(buf), "_prim_%s", get_mode_name(mode));
+ tp = new_type_primitive(new_id_from_str(buf), mode);
+
+ pmap_insert(prim_types, mode, tp);
+ return tp;
+}
+
+/**
+ * Create a method type for a Conv emulation from imode to omode.
+ */
+static ir_type *get_conv_type(ir_mode *imode, ir_mode *omode, lower_env_t *env) {
+ conv_tp_entry_t key, *entry;
+ ir_type *mtd;
+
+ key.imode = imode;
+ key.omode = omode;
+ key.mtd = NULL;
+
+ entry = set_insert(conv_types, &key, sizeof(key), HASH_PTR(imode) ^ HASH_PTR(omode));
+ if (! entry->mtd) {
+ int n_param = 1, n_res = 1;
+ char buf[64];
+
+ if (imode == env->params->high_signed || imode == env->params->high_unsigned)
+ n_param = 2;
+ if (omode == env->params->high_signed || omode == env->params->high_unsigned)
+ n_res = 2;
+
+ /* create a new one */
+ snprintf(buf, sizeof(buf), "LConv%s%s", get_mode_name(imode), get_mode_name(omode));
+ mtd = new_type_method(new_id_from_str(buf), n_param, n_res);
+
+ /* set param types and result types */
+ n_param = 0;
+ if (imode == env->params->high_signed) {
+ set_method_param_type(mtd, n_param++, tp_s);
+ set_method_param_type(mtd, n_param++, tp_s);
+ }
+ else if (imode == env->params->high_unsigned) {
+ set_method_param_type(mtd, n_param++, tp_u);
+ set_method_param_type(mtd, n_param++, tp_u);
+ }
+ else {
+ ir_type *tp = get_primitive_type(imode);
+ set_method_param_type(mtd, n_param++, tp);
+ }
+
+ n_res = 0;
+ if (omode == env->params->high_signed) {
+ set_method_res_type(mtd, n_res++, tp_s);
+ set_method_res_type(mtd, n_res++, tp_s);
+ }
+ else if (omode == env->params->high_unsigned) {
+ set_method_res_type(mtd, n_res++, tp_u);
+ set_method_res_type(mtd, n_res++, tp_u);
+ }
+ else {
+ ir_type *tp = get_primitive_type(omode);
+ set_method_res_type(mtd, n_res++, tp);
+ }
+
+ entry->mtd = mtd;
+ }
+ else
+ mtd = entry->mtd;
+ return mtd;
+}
+
/**
* Add an additional control flow input to a block.
* Patch all Phi nodes. The new Phi inputs are copied from
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);
/**
* Return a node containing the address of the intrinsic emulation function.
+ *
+ * @param method the method type of the emulation function
+ * @param op the emulated ir_op
+ * @param imode the input mode of the emulated opcode
+ * @param omode the output mode of the emulated opcode
+ * @param block where the new mode is created
+ * @param env the lower environment
*/
-static ir_node *get_intrinsic_address(ir_type *method, ir_op *op, ir_mode *mode, ir_node *block, lower_env_t *env) {
+static ir_node *get_intrinsic_address(ir_type *method, ir_op *op,
+ ir_mode *imode, ir_mode *omode,
+ ir_node *block, lower_env_t *env) {
symconst_symbol sym;
entity *ent;
op_mode_entry_t key, *entry;
- key.op = op;
- key.mode = mode;
- key.ent = NULL;
+ key.op = op;
+ key.imode = imode;
+ key.omode = omode;
+ key.ent = NULL;
- entry = set_insert(intrinsic_fkt, &key, sizeof(key), HASH_PTR(op) ^ HASH_PTR(mode));
+ entry = set_insert(intrinsic_fkt, &key, sizeof(key),
+ HASH_PTR(op) ^ HASH_PTR(imode) ^ (HASH_PTR(omode) << 8));
if (! entry->ent) {
/* create a new one */
- ent = env->params->create_intrinsic(method, op, mode, env->params->ctx);
+ ent = env->params->create_intrinsic(method, op, imode, omode, env->params->ctx);
assert(ent && "Intrinsic creator must return an entity");
entry->ent = ent;
static void lower_Div(ir_node *node, ir_mode *mode, lower_env_t *env) {
ir_node *block, *irn, *call, *proj;
ir_node *in[4];
+ ir_mode *opmode;
dbg_info *dbg;
ir_type *mtp;
int idx;
block = get_nodes_block(node);
mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
- irn = get_intrinsic_address(mtp, get_irn_op(node), get_irn_op_mode(node), block, env);
+ opmode = get_irn_op_mode(node);
+ irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, block, env);
call = new_rd_Call(dbg, current_ir_graph, block, get_Div_mem(node),
irn, 4, in, mtp);
set_irn_pinned(call, get_irn_pinned(node));
static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env) {
ir_node *block, *proj, *irn, *call;
ir_node *in[4];
+ ir_mode *opmode;
dbg_info *dbg;
ir_type *mtp;
int idx;
block = get_nodes_block(node);
mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
- irn = get_intrinsic_address(mtp, get_irn_op(node), get_irn_op_mode(node), block, env);
+ opmode = get_irn_op_mode(node);
+ irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, block, env);
call = new_rd_Call(dbg, current_ir_graph, block, get_Mod_mem(node),
irn, 4, in, mtp);
set_irn_pinned(call, get_irn_pinned(node));
static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env) {
ir_node *block, *proj, *irn, *mem, *callDiv, *callMod, *resDiv, *resMod;
ir_node *in[4];
+ ir_mode *opmode;
dbg_info *dbg;
ir_type *mtp;
int idx;
callDiv = callMod = NULL;
mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
if (flags & 1) {
- irn = get_intrinsic_address(mtp, op_Div, get_irn_op_mode(node), block, env);
+ opmode = get_irn_op_mode(node);
+ irn = get_intrinsic_address(mtp, op_Div, opmode, opmode, block, env);
callDiv = new_rd_Call(dbg, current_ir_graph, block, mem,
irn, 4, in, mtp);
set_irn_pinned(callDiv, get_irn_pinned(node));
if (flags & 2) {
if (flags & 1)
mem = new_r_Proj(current_ir_graph, block, callDiv, mode_M, pn_Call_M);
- irn = get_intrinsic_address(mtp, op_Mod, get_irn_op_mode(node), block, env);
+ opmode = get_irn_op_mode(node);
+ irn = get_intrinsic_address(mtp, op_Mod, opmode, opmode, block, env);
callMod = new_rd_Call(dbg, current_ir_graph, block, mem,
irn, 4, in, mtp);
set_irn_pinned(callMod, get_irn_pinned(node));
block = get_nodes_block(node);
mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
- irn = get_intrinsic_address(mtp, get_irn_op(node), get_irn_mode(node), block, env);
+ 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, 4, in, mtp);
set_irn_pinned(irn, get_irn_pinned(node));
block = get_nodes_block(node);
mtp = mode_is_signed(mode) ? unop_tp_s : unop_tp_u;
- irn = get_intrinsic_address(mtp, get_irn_op(node), get_irn_mode(node), block, env);
+ 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, 2, in, mtp);
set_irn_pinned(irn, get_irn_pinned(node));
env->entries[idx]->high_word = constr_rd(dbg, current_ir_graph, block, lop_h, rop_h, mode);
}
+/** create a logical operation tranformation */
#define lower_logical(op) \
static void lower_##op(ir_node *node, ir_mode *mode, lower_env_t *env) { \
lower_Binop_logical(node, mode, env, new_rd_##op); \
* Translate a Conv to higher_signed
*/
static void lower_Conv_to_Ls(ir_node *node, lower_env_t *env) {
- ir_node *op = get_Conv_op(node);
- ir_mode *mode = get_irn_mode(op);
-
- if (mode_is_int(mode) || mode_is_reference(mode)) {
- ir_node *block = get_nodes_block(node);
- dbg_info *dbg = get_irn_dbg_info(node);
- int idx = get_irn_idx(node);
- ir_graph *irg = current_ir_graph;
- ir_mode *dst_mode = env->params->low_signed;
+ ir_node *op = get_Conv_op(node);
+ ir_mode *imode = get_irn_mode(op);
+ ir_mode *dst_mode = env->params->low_signed;
+ int idx = get_irn_idx(node);
+ ir_graph *irg = current_ir_graph;
+ ir_node *block = get_nodes_block(node);
+ dbg_info *dbg = get_irn_dbg_info(node);
- assert(idx < env->n_entries);
+ assert(idx < env->n_entries);
+ if (mode_is_int(imode) || mode_is_reference(imode)) {
/* simple case: create a high word */
- if (mode != dst_mode)
+ if (imode != dst_mode)
op = new_rd_Conv(dbg, irg, block, op, dst_mode);
env->entries[idx]->low_word = op;
new_Const_long(mode_Iu, get_mode_size_bits(dst_mode) - 1), dst_mode);
}
else {
- assert(0);
+ ir_node *irn, *call;
+ ir_mode *omode = env->params->high_signed;
+ ir_type *mtp = get_conv_type(imode, omode, env);
+
+ irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
+ call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 1, &op, mtp);
+ set_irn_pinned(call, get_irn_pinned(node));
+ irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
+
+ env->entries[idx]->low_word = new_r_Proj(irg, block, irn, dst_mode, 0);
+ env->entries[idx]->high_word = new_r_Proj(irg, block, irn, dst_mode, 1);
}
}
* Translate a Conv to higher_unsigned
*/
static void lower_Conv_to_Lu(ir_node *node, lower_env_t *env) {
- ir_node *op = get_Conv_op(node);
- ir_mode *mode = get_irn_mode(op);
-
- if (mode_is_int(mode) || mode_is_reference(mode)) {
- ir_node *block = get_nodes_block(node);
- dbg_info *dbg = get_irn_dbg_info(node);
- int idx = get_irn_idx(node);
- ir_graph *irg = current_ir_graph;
- ir_mode *dst_mode = env->params->low_unsigned;
+ ir_node *op = get_Conv_op(node);
+ ir_mode *imode = get_irn_mode(op);
+ ir_mode *dst_mode = env->params->low_unsigned;
+ int idx = get_irn_idx(node);
+ ir_graph *irg = current_ir_graph;
+ ir_node *block = get_nodes_block(node);
+ dbg_info *dbg = get_irn_dbg_info(node);
- assert(idx < env->n_entries);
+ assert(idx < env->n_entries);
+ if (mode_is_int(imode) || mode_is_reference(imode)) {
/* simple case: create a high word */
- if (mode != env->params->low_unsigned)
+ if (imode != dst_mode)
op = new_rd_Conv(dbg, irg, block, op, dst_mode);
env->entries[idx]->low_word = op;
env->entries[idx]->high_word = new_Const(dst_mode, get_mode_null(dst_mode));
}
else {
- assert(0);
+ ir_node *irn, *call;
+ ir_mode *omode = env->params->high_unsigned;
+ ir_type *mtp = get_conv_type(imode, omode, env);
+
+ irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
+ call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 1, &op, mtp);
+ set_irn_pinned(call, get_irn_pinned(node));
+ irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
+
+ env->entries[idx]->low_word = new_r_Proj(irg, block, irn, dst_mode, 0);
+ env->entries[idx]->high_word = new_r_Proj(irg, block, irn, dst_mode, 1);
}
}
* Translate a Conv from higher_signed
*/
static void lower_Conv_from_Ls(ir_node *node, lower_env_t *env) {
- ir_node *op = get_Conv_op(node);
- ir_mode *mode = get_irn_mode(node);
+ ir_node *op = get_Conv_op(node);
+ ir_mode *omode = get_irn_mode(node);
+ ir_node *block = get_nodes_block(node);
+ dbg_info *dbg = get_irn_dbg_info(node);
+ int idx = get_irn_idx(op);
+ ir_graph *irg = current_ir_graph;
- if (mode_is_int(mode) || mode_is_reference(mode)) {
- ir_node *block = get_nodes_block(node);
- dbg_info *dbg = get_irn_dbg_info(node);
- int idx = get_irn_idx(op);
- ir_graph *irg = current_ir_graph;
+ assert(idx < env->n_entries);
- assert(idx < env->n_entries);
+ if (mode_is_int(omode) || mode_is_reference(omode)) {
op = env->entries[idx]->low_word;
/* simple case: create a high word */
- if (mode != env->params->low_signed)
- op = new_rd_Conv(dbg, irg, block, op, mode);
+ if (omode != env->params->low_signed)
+ op = new_rd_Conv(dbg, irg, block, op, omode);
set_Conv_op(node, op);
}
else {
- assert(0);
+ ir_node *irn, *call, *in[2];
+ ir_mode *imode = env->params->high_signed;
+ ir_type *mtp = get_conv_type(imode, omode, env);
+
+ irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
+ in[0] = env->entries[idx]->low_word;
+ in[1] = env->entries[idx]->high_word;
+
+ call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
+ set_irn_pinned(call, get_irn_pinned(node));
+ irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
+
+ exchange(node, new_r_Proj(irg, block, irn, omode, 0));
}
}
* Translate a Conv from higher_unsigned
*/
static void lower_Conv_from_Lu(ir_node *node, lower_env_t *env) {
- ir_node *op = get_Conv_op(node);
- ir_mode *mode = get_irn_mode(node);
+ ir_node *op = get_Conv_op(node);
+ ir_mode *omode = get_irn_mode(node);
+ ir_node *block = get_nodes_block(node);
+ dbg_info *dbg = get_irn_dbg_info(node);
+ int idx = get_irn_idx(op);
+ ir_graph *irg = current_ir_graph;
- if (mode_is_int(mode) || mode_is_reference(mode)) {
- ir_node *block = get_nodes_block(node);
- dbg_info *dbg = get_irn_dbg_info(node);
- int idx = get_irn_idx(op);
- ir_graph *irg = current_ir_graph;
+ assert(idx < env->n_entries);
- assert(idx < env->n_entries);
+ if (mode_is_int(omode) || mode_is_reference(omode)) {
op = env->entries[idx]->low_word;
/* simple case: create a high word */
- if (mode != env->params->low_unsigned)
- op = new_rd_Conv(dbg, irg, block, op, mode);
+ if (omode != env->params->low_unsigned)
+ op = new_rd_Conv(dbg, irg, block, op, omode);
set_Conv_op(node, op);
}
else {
- assert(0);
+ ir_node *irn, *call, *in[2];
+ ir_mode *imode = env->params->high_unsigned;
+ ir_type *mtp = get_conv_type(imode, omode, env);
+
+ irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
+ in[0] = env->entries[idx]->low_word;
+ in[1] = env->entries[idx]->high_word;
+
+ call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
+ set_irn_pinned(call, get_irn_pinned(node));
+ irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
+
+ exchange(node, new_r_Proj(irg, block, irn, omode, 0));
}
}
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);
const op_mode_entry_t *e1 = elt;
const op_mode_entry_t *e2 = key;
- return (e1->op - e2->op) | (e1->mode - e2->mode);
+ return (e1->op - e2->op) | (e1->imode - e2->imode) | (e1->omode - e2->omode);
+}
+
+/**
+ * Compare two conv_tp_entry_t's.
+ */
+static int cmp_conv_tp(const void *elt, const void *key, size_t size) {
+ const conv_tp_entry_t *e1 = elt;
+ const conv_tp_entry_t *e2 = key;
+
+ return (e1->imode - e2->imode) | (e1->omode - e2->omode);
}
/*
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));
assert(get_mode_size_bits(param->low_signed) == get_mode_size_bits(param->low_unsigned));
+ if (! prim_types)
+ prim_types = pmap_create();
if (! intrinsic_fkt)
intrinsic_fkt = new_set(cmp_op_mode, iro_MaxOpcode);
+ if (! conv_types)
+ conv_types = new_set(cmp_conv_tp, 16);
if (! lowered_type)
lowered_type = pmap_create();
if (! tp_u)
- tp_u = new_type_primitive(IDENT("_i_uint"), param->low_unsigned);
+ tp_u = get_primitive_type(param->low_unsigned);
if (! tp_s)
- tp_s = new_type_primitive(IDENT("_i_int"), param->low_signed);
+ tp_s = get_primitive_type(param->low_signed);
+
if (! binop_tp_u) {
binop_tp_u = new_type_method(IDENT("binop_u_intrinsic"), 4, 2);
}
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;
}
/* Default implementation. */
-entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op, const ir_mode *mode, void *context)
+entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op,
+ const ir_mode *imode, const ir_mode *omode,
+ void *context)
{
char buf[64];
ident *id;
+ entity *ent;
- snprintf(buf, sizeof(buf), "__l%s%s", get_op_name(op), get_mode_name(mode));
+ if (imode == omode)
+ snprintf(buf, sizeof(buf), "__l%s%s", get_op_name(op), get_mode_name(imode));
+ else
+ snprintf(buf, sizeof(buf), "__l%s%s%s", get_op_name(op),
+ get_mode_name(imode), get_mode_name(omode));
id = new_id_from_str(buf);
- return new_entity(get_glob_type(), id, method);
+ ent = new_entity(get_glob_type(), id, method);
+ set_entity_ld_ident(ent, get_entity_ident(ent));
+ set_entity_visibility(ent, visibility_external_allocated);
+ return ent;
}