/*
- * Project: libFIRM
- * File name: ir/lower/lower_dw.c
- * Purpose: Lower Double word operations, ie Mode L -> I.
- * Author: Michael Beck
- * Created: 8.10.2004
- * CVS-ID: $Id$
- * Copyright: (c) 1998-2006 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file
+ * @brief Lower Double word operations, ie 64bit -> 32bit, 32bit -> 16bit etc.
+ * @date 8.10.2004
+ * @author Michael Beck
+ * @version $Id$
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#ifdef HAVE_MALLOC_H
-# include <malloc.h>
-#endif
-#ifdef HAVE_ALLOCA_H
-# include <alloca.h>
-#endif
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
+#include "config.h"
+#include <string.h>
+#include <stdlib.h>
#include <assert.h>
+#include "error.h"
+#include "lowering.h"
#include "irnode_t.h"
#include "irgraph_t.h"
#include "irmode_t.h"
#include "firmstat.h"
#include "irgwalk.h"
#include "ircons.h"
-#include "lower_dw.h"
#include "irflag.h"
#include "irtools.h"
#include "debug.h"
#include "pmap.h"
#include "pdeq.h"
#include "irdump.h"
+#include "array_t.h"
+#include "irpass_t.h"
/** A map from mode to a primitive type. */
static pmap *prim_types;
const ir_op *op; /**< the op */
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 */
+ ir_entity *ent; /**< the associated entity of this (op, imode, omode) triple */
} op_mode_entry_t;
/**
* we need some store to hold the replacement:
*/
typedef struct _node_entry_t {
- ir_node *low_word; /**< the low word */
- ir_node *high_word; /**< the high word */
+ ir_node *low_word; /**< the low word */
+ ir_node *high_word; /**< the high word */
} node_entry_t;
enum lower_flags {
- MUST_BE_LOWERED = 1, /**< graph must be lowered */
- CF_CHANGED = 2, /**< control flow was changed */
+ MUST_BE_LOWERED = 1, /**< graph must be lowered */
+ CF_CHANGED = 2, /**< control flow was changed */
};
/**
typedef struct _lower_env_t {
node_entry_t **entries; /**< entries per node */
struct obstack obst; /**< an obstack holding the temporary data */
+ ir_type *l_mtp; /**< lowered method type of the current method */
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 */
+ ident *first_id; /**< .l for little and .h for big endian */
+ ident *next_id; /**< .h for little and .l for big endian */
const lwrdw_param_t *params; /**< transformation parameter */
unsigned flags; /**< some flags */
int n_entries; /**< number of entries */
+ ir_type *value_param_tp; /**< the old value param type */
} lower_env_t;
/**
* Get a primitive mode for a mode.
*/
-static ir_type *get_primitive_type(ir_mode *mode) {
+static ir_type *get_primitive_type(ir_mode *mode)
+{
pmap_entry *entry = pmap_find(prim_types, mode);
ir_type *tp;
char buf[64];
return entry->value;
snprintf(buf, sizeof(buf), "_prim_%s", get_mode_name(mode));
- tp = new_type_primitive(new_id_from_str(buf), mode);
+ tp = new_type_primitive(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) {
+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;
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;
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);
+ mtd = new_type_method(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_u);
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);
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_u);
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_irn_in(block, i + 1, in);
- for (phi = get_irn_link(block); phi; phi = get_irn_link(phi)) {
+ for (phi = get_Block_phis(block); phi != NULL; phi = get_Phi_next(phi)) {
for (i = 0; i < arity; ++i)
in[i] = get_irn_n(phi, i);
in[i] = in[nr];
lower_env_t *lenv = env;
ir_mode *mode = get_irn_op_mode(node);
node_entry_t *link;
- int i;
+ int i, idx;
if (mode == lenv->params->high_signed ||
mode == lenv->params->high_unsigned) {
/* ok, found a node that will be lowered */
- link = obstack_alloc(&lenv->obst, sizeof(*link));
-
- memset(link, 0, sizeof(*link));
-
- lenv->entries[get_irn_idx(node)] = link;
+ link = OALLOCZ(&lenv->obst, node_entry_t);
+
+ idx = get_irn_idx(node);
+ if (idx >= lenv->n_entries) {
+ /* enlarge: this happens only for Rotl nodes which is RARELY */
+ int old = lenv->n_entries;
+ int n_idx = idx + (idx >> 3);
+
+ ARR_RESIZE(node_entry_t *, lenv->entries, n_idx);
+ memset(&lenv->entries[old], 0, (n_idx - old) * sizeof(lenv->entries[0]));
+ lenv->n_entries = n_idx;
+ }
+ lenv->entries[idx] = link;
lenv->flags |= MUST_BE_LOWERED;
- } else if (get_irn_op(node) == op_Conv) {
+ } else if (is_Conv(node)) {
/* Conv nodes have two modes */
ir_node *pred = get_Conv_op(node);
mode = get_irn_mode(pred);
} else if (is_Phi(node)) {
/* link all Phi nodes to its block */
ir_node *block = get_nodes_block(node);
-
- set_irn_link(node, get_irn_link(block));
- set_irn_link(block, node);
+ add_Block_phi(block, node);
} else if (is_Block(node)) {
/* fill the Proj -> Block map */
for (i = get_Block_n_cfgpreds(node) - 1; i >= 0; --i) {
pmap_insert(lenv->proj_2_block, pred, node);
} /* for */
} /* if */
-
- /* handle support for Psi nodes */
- if (mode == mode_b || get_irn_op(node) == op_Psi) {
- for (i = get_irn_arity(node) - 1; i >= 0; --i) {
- ir_node *proj = get_irn_n(node, i);
-
- if (is_Proj(proj)) {
- ir_node *cmp = get_Proj_pred(proj);
-
- if (is_Cmp(cmp)) {
- ir_node *l = get_Cmp_left(cmp);
- mode = get_irn_mode(l);
-
- if (mode == lenv->params->high_signed ||
- mode == lenv->params->high_unsigned) {
- /* ok, found a node that will be lowered */
- ir_node *nproj;
- int rem = get_optimize();
-
- set_optimize(0);
- nproj = new_rd_Proj(
- get_irn_dbg_info(proj),
- current_ir_graph,
- get_nodes_block(proj),
- cmp,
- get_irn_mode(proj),
- get_Proj_proj(proj));
- set_optimize(rem);
-
- set_irn_n(node, i, nproj);
- lenv->flags |= MUST_BE_LOWERED;
- } /* if */
- } /* if */
- } /* if */
- } /* for */
- } /* if */
} /* prepare_links */
/**
* Translate a Constant: create two.
*/
-static void lower_Const(ir_node *node, ir_mode *mode, lower_env_t *env) {
+static void lower_Const(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
tarval *tv, *tv_l, *tv_h;
ir_node *low, *high;
dbg_info *dbg = get_irn_dbg_info(node);
- ir_node *block = get_nodes_block(node);
int idx;
ir_graph *irg = current_ir_graph;
+ ir_mode *low_mode = env->params->low_unsigned;
tv = get_Const_tarval(node);
- tv_l = tarval_convert_to(tv, mode);
- low = new_rd_Const(dbg, irg, block, mode, tv_l);
+ tv_l = tarval_convert_to(tv, low_mode);
+ low = new_rd_Const(dbg, irg, tv_l);
tv_h = tarval_convert_to(tarval_shrs(tv, env->tv_mode_bits), mode);
- high = new_rd_Const(dbg, irg, block, mode, tv_h);
+ high = new_rd_Const(dbg, irg, tv_h);
idx = get_irn_idx(node);
assert(idx < env->n_entries);
/**
* Translate a Load: create two.
*/
-static void lower_Load(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_graph *irg = current_ir_graph;
- ir_node *adr = get_Load_ptr(node);
- ir_node *mem = get_Load_mem(node);
- ir_node *low, *high, *proj;
- dbg_info *dbg;
- ir_node *block = get_nodes_block(node);
- int idx;
+static void lower_Load(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_mode *low_mode = env->params->low_unsigned;
+ ir_graph *irg = current_ir_graph;
+ ir_node *adr = get_Load_ptr(node);
+ ir_node *mem = get_Load_mem(node);
+ ir_node *low, *high, *proj;
+ dbg_info *dbg;
+ ir_node *block = get_nodes_block(node);
+ int idx;
+ ir_cons_flags volatility = get_Load_volatility(node) == volatility_is_volatile
+ ? cons_volatile : 0;
if (env->params->little_endian) {
low = adr;
- high = new_r_Add(irg, block, adr,
- new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
- get_irn_mode(adr));
+ high = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
} else {
- low = new_r_Add(irg, block, adr,
- new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
- get_irn_mode(adr));
+ low = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
high = adr;
} /* if */
/* create two loads */
dbg = get_irn_dbg_info(node);
- low = new_rd_Load(dbg, irg, block, mem, low, mode);
- proj = new_r_Proj(irg, block, low, mode_M, pn_Load_M);
- high = new_rd_Load(dbg, irg, block, proj, high, mode);
-
- set_Load_volatility(low, get_Load_volatility(node));
- set_Load_volatility(high, get_Load_volatility(node));
+ low = new_rd_Load(dbg, block, mem, low, low_mode, volatility);
+ proj = new_r_Proj(low, mode_M, pn_Load_M);
+ high = new_rd_Load(dbg, block, proj, high, mode, volatility);
idx = get_irn_idx(node);
assert(idx < env->n_entries);
break;
case pn_Load_res: /* Result of load operation. */
assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_r_Proj(irg, block, low, mode, pn_Load_res);
- env->entries[idx]->high_word = new_r_Proj(irg, block, high, mode, pn_Load_res);
+ env->entries[idx]->low_word = new_r_Proj(low, low_mode, pn_Load_res);
+ env->entries[idx]->high_word = new_r_Proj(high, mode, pn_Load_res);
break;
default:
assert(0 && "unexpected Proj number");
/**
* Translate a Store: create two.
*/
-static void lower_Store(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_graph *irg;
- ir_node *block, *adr, *mem;
- ir_node *low, *high, *irn, *proj;
- dbg_info *dbg;
- int idx;
+static void lower_Store(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_graph *irg;
+ ir_node *block, *adr, *mem;
+ ir_node *low, *high, *irn, *proj;
+ dbg_info *dbg;
+ int idx;
node_entry_t *entry;
+ ir_cons_flags volatility = get_Store_volatility(node) == volatility_is_volatile
+ ? cons_volatile : 0;
+ (void) mode;
irn = get_Store_value(node);
entry = env->entries[get_irn_idx(irn)];
if (env->params->little_endian) {
low = adr;
- high = new_r_Add(irg, block, adr,
- new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
- get_irn_mode(adr));
+ high = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
} else {
- low = new_r_Add(irg, block, adr,
- new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
- get_irn_mode(adr));
+ low = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
high = adr;
} /* if */
/* create two Stores */
dbg = get_irn_dbg_info(node);
- low = new_rd_Store(dbg, irg, block, mem, low, entry->low_word);
- proj = new_r_Proj(irg, block, low, mode_M, pn_Store_M);
- high = new_rd_Store(dbg, irg, block, proj, high, entry->high_word);
-
- set_Store_volatility(low, get_Store_volatility(node));
- set_Store_volatility(high, get_Store_volatility(node));
+ low = new_rd_Store(dbg, block, mem, low, entry->low_word, volatility);
+ proj = new_r_Proj(low, mode_M, pn_Store_M);
+ high = new_rd_Store(dbg, block, proj, high, entry->high_word, volatility);
idx = get_irn_idx(node);
assert(idx < env->n_entries);
* @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 *imode, ir_mode *omode,
- ir_node *block, lower_env_t *env) {
+ lower_env_t *env)
+{
symconst_symbol sym;
- entity *ent;
+ ir_entity *ent;
op_mode_entry_t key, *entry;
key.op = op;
ent = entry->ent;
} /* if */
sym.entity_p = ent;
- return new_r_SymConst(current_ir_graph, block, sym, symconst_addr_ent);
+ return new_r_SymConst(current_ir_graph, mode_P_code, sym, symconst_addr_ent);
} /* get_intrinsic_address */
/**
*
* Create an intrinsic Call.
*/
-static void lower_Div(ir_node *node, ir_mode *mode, lower_env_t *env) {
+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;
- ir_graph *irg;
node_entry_t *entry;
irn = get_Div_left(node);
dbg = get_irn_dbg_info(node);
block = get_nodes_block(node);
- irg = current_ir_graph;
mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
opmode = get_irn_op_mode(node);
- irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, block, env);
- call = new_rd_Call(dbg, irg, block, get_Div_mem(node),
- irn, 4, in, mtp);
+ irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, env);
+ call = new_rd_Call(dbg, block, get_Div_mem(node), irn, 4, in, mtp);
set_irn_pinned(call, get_irn_pinned(node));
- irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
+ irn = new_r_Proj(call, mode_T, pn_Call_T_result);
for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
switch (get_Proj_proj(proj)) {
case pn_Div_M: /* Memory result. */
/* reroute to the call */
set_Proj_pred(proj, call);
- set_Proj_proj(proj, pn_Call_M_except);
+ set_Proj_proj(proj, pn_Call_M);
break;
case pn_Div_X_except: /* Execution result if exception occurred. */
/* reroute to the call */
case pn_Div_res: /* Result of computation. */
idx = get_irn_idx(proj);
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);
+ env->entries[idx]->low_word = new_r_Proj(irn, env->params->low_unsigned, 0);
+ env->entries[idx]->high_word = new_r_Proj(irn, mode, 1);
break;
default:
assert(0 && "unexpected Proj number");
*
* Create an intrinsic Call.
*/
-static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env) {
+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;
- ir_graph *irg;
node_entry_t *entry;
irn = get_Mod_left(node);
dbg = get_irn_dbg_info(node);
block = get_nodes_block(node);
- irg = current_ir_graph;
mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
opmode = get_irn_op_mode(node);
- irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, block, env);
- call = new_rd_Call(dbg, irg, block, get_Mod_mem(node),
- irn, 4, in, mtp);
+ irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, env);
+ call = new_rd_Call(dbg, block, get_Mod_mem(node), irn, 4, in, mtp);
set_irn_pinned(call, get_irn_pinned(node));
- irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
+ irn = new_r_Proj(call, mode_T, pn_Call_T_result);
for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
switch (get_Proj_proj(proj)) {
case pn_Mod_M: /* Memory result. */
/* reroute to the call */
set_Proj_pred(proj, call);
- set_Proj_proj(proj, pn_Call_M_except);
+ set_Proj_proj(proj, pn_Call_M);
break;
case pn_Mod_X_except: /* Execution result if exception occurred. */
/* reroute to the call */
case pn_Mod_res: /* Result of computation. */
idx = get_irn_idx(proj);
assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_r_Proj(irg, block, irn, mode, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
+ env->entries[idx]->low_word = new_r_Proj(irn, env->params->low_unsigned, 0);
+ env->entries[idx]->high_word = new_r_Proj(irn, mode, 1);
break;
default:
assert(0 && "unexpected Proj number");
*
* Create two intrinsic Calls.
*/
-static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_node *block, *proj, *irn, *mem, *callDiv, *callMod, *resDiv, *resMod;
+static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_node *block, *proj, *irn, *mem, *callDiv, *callMod;
+ ir_node *resDiv = NULL;
+ ir_node *resMod = NULL;
ir_node *in[4];
ir_mode *opmode;
dbg_info *dbg;
int idx;
node_entry_t *entry;
unsigned flags = 0;
- ir_graph *irg;
/* check if both results are needed */
for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
dbg = get_irn_dbg_info(node);
block = get_nodes_block(node);
- irg = current_ir_graph;
mem = get_DivMod_mem(node);
mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
if (flags & 1) {
opmode = get_irn_op_mode(node);
- irn = get_intrinsic_address(mtp, op_Div, opmode, opmode, block, env);
- callDiv = new_rd_Call(dbg, irg, block, mem,
- irn, 4, in, mtp);
+ irn = get_intrinsic_address(mtp, op_Div, opmode, opmode, env);
+ callDiv = new_rd_Call(dbg, block, mem, irn, 4, in, mtp);
set_irn_pinned(callDiv, get_irn_pinned(node));
- resDiv = new_r_Proj(irg, block, callDiv, mode_T, pn_Call_T_result);
+ resDiv = new_r_Proj(callDiv, mode_T, pn_Call_T_result);
} /* if */
if (flags & 2) {
if (flags & 1)
- mem = new_r_Proj(irg, block, callDiv, mode_M, pn_Call_M);
+ mem = new_r_Proj(callDiv, mode_M, pn_Call_M);
opmode = get_irn_op_mode(node);
- irn = get_intrinsic_address(mtp, op_Mod, opmode, opmode, block, env);
- callMod = new_rd_Call(dbg, irg, block, mem,
- irn, 4, in, mtp);
+ irn = get_intrinsic_address(mtp, op_Mod, opmode, opmode, env);
+ callMod = new_rd_Call(dbg, block, mem, irn, 4, in, mtp);
set_irn_pinned(callMod, get_irn_pinned(node));
- resMod = new_r_Proj(irg, block, callMod, mode_T, pn_Call_T_result);
+ resMod = new_r_Proj(callMod, mode_T, pn_Call_T_result);
} /* if */
for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
case pn_DivMod_M: /* Memory result. */
/* reroute to the first call */
set_Proj_pred(proj, callDiv ? callDiv : (callMod ? callMod : mem));
- set_Proj_proj(proj, pn_Call_M_except);
+ set_Proj_proj(proj, pn_Call_M);
break;
case pn_DivMod_X_except: /* Execution result if exception occurred. */
/* reroute to the first call */
case pn_DivMod_res_div: /* Result of Div. */
idx = get_irn_idx(proj);
assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_r_Proj(irg, block, resDiv, mode, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, resDiv, mode, 1);
+ env->entries[idx]->low_word = new_r_Proj(resDiv, env->params->low_unsigned, 0);
+ env->entries[idx]->high_word = new_r_Proj(resDiv, mode, 1);
break;
case pn_DivMod_res_mod: /* Result of Mod. */
idx = get_irn_idx(proj);
- env->entries[idx]->low_word = new_r_Proj(irg, block, resMod, mode, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, resMod, mode, 1);
+ env->entries[idx]->low_word = new_r_Proj(resMod, env->params->low_unsigned, 0);
+ env->entries[idx]->high_word = new_r_Proj(resMod, mode, 1);
break;
default:
assert(0 && "unexpected Proj number");
*
* Create an intrinsic Call.
*/
-static void lower_Binop(ir_node *node, ir_mode *mode, lower_env_t *env) {
+static void lower_Binop(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
ir_node *block, *irn;
ir_node *in[4];
dbg_info *dbg;
irg = current_ir_graph;
mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
- irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, block, env);
- irn = new_rd_Call(dbg, irg, block, get_irg_no_mem(current_ir_graph),
+ irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
+ irn = new_rd_Call(dbg, block, get_irg_no_mem(current_ir_graph),
irn, 4, in, mtp);
set_irn_pinned(irn, get_irn_pinned(node));
- irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result);
+ irn = new_r_Proj(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(irg, block, irn, mode, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
+ env->entries[idx]->low_word = new_r_Proj(irn, env->params->low_unsigned, 0);
+ env->entries[idx]->high_word = new_r_Proj(irn, mode, 1);
} /* lower_Binop */
/**
*
* Create an intrinsic Call.
*/
-static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env) {
+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;
/* The shift count is always mode_Iu in firm, so there is no need for lowering */
in[2] = get_binop_right(node);
+ assert(get_irn_mode(in[2]) != env->params->high_signed
+ && get_irn_mode(in[2]) != env->params->high_unsigned);
dbg = get_irn_dbg_info(node);
block = get_nodes_block(node);
irg = current_ir_graph;
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, irg, block, get_irg_no_mem(current_ir_graph),
+ irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
+ irn = new_rd_Call(dbg, block, get_irg_no_mem(current_ir_graph),
irn, 3, in, mtp);
set_irn_pinned(irn, get_irn_pinned(node));
- irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result);
+ irn = new_r_Proj(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(irg, block, irn, mode, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
+ env->entries[idx]->low_word = new_r_Proj(irn, env->params->low_unsigned, 0);
+ env->entries[idx]->high_word = new_r_Proj(irn, mode, 1);
} /* lower_Shiftop */
/**
* Translate a Shr and handle special cases.
*/
-static void lower_Shr(ir_node *node, ir_mode *mode, lower_env_t *env) {
+static void lower_Shr(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
ir_node *right = get_Shr_right(node);
ir_graph *irg = current_ir_graph;
tarval *tv = get_Const_tarval(right);
if (tarval_is_long(tv) &&
- get_tarval_long(tv) >= get_mode_size_bits(mode)) {
+ get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) {
ir_node *block = get_nodes_block(node);
ir_node *left = get_Shr_left(node);
ir_node *c;
int idx = get_irn_idx(left);
left = env->entries[idx]->high_word;
+ if (left == NULL) {
+ /* not ready yet, wait */
+ pdeq_putr(env->waitq, node);
+ return;
+ }
+
idx = get_irn_idx(node);
if (shf_cnt > 0) {
- c = new_r_Const_long(irg, block, mode_Iu, shf_cnt);
- env->entries[idx]->low_word = new_r_Shr(irg, block, left, c, mode);
+ c = new_r_Const_long(irg, env->params->low_unsigned, shf_cnt);
+ env->entries[idx]->low_word = new_r_Shr(block, left, c, mode);
} else {
env->entries[idx]->low_word = left;
} /* if */
- env->entries[idx]->high_word = new_r_Const(irg, block, mode, get_mode_null(mode));
+ env->entries[idx]->high_word = new_r_Const(irg, get_mode_null(mode));
return;
} /* if */
/**
* Translate a Shl and handle special cases.
*/
-static void lower_Shl(ir_node *node, ir_mode *mode, lower_env_t *env) {
+static void lower_Shl(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
ir_node *right = get_Shl_right(node);
ir_graph *irg = current_ir_graph;
tarval *tv = get_Const_tarval(right);
if (tarval_is_long(tv) &&
- get_tarval_long(tv) >= get_mode_size_bits(mode)) {
+ get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) {
+ ir_mode *mode_l;
ir_node *block = get_nodes_block(node);
ir_node *left = get_Shl_left(node);
ir_node *c;
int idx = get_irn_idx(left);
left = env->entries[idx]->low_word;
+ if (left == NULL) {
+ /* not ready yet, wait */
+ pdeq_putr(env->waitq, node);
+ return;
+ }
+
+ left = new_r_Conv(block, left, mode);
idx = get_irn_idx(node);
+ mode_l = env->params->low_unsigned;
if (shf_cnt > 0) {
- c = new_r_Const_long(irg, block, mode_Iu, shf_cnt);
- env->entries[idx]->high_word = new_r_Shl(irg, block, left, c, mode);
+ c = new_r_Const_long(irg, mode_l, shf_cnt);
+ env->entries[idx]->high_word = new_r_Shl(block, left, c, mode);
} else {
env->entries[idx]->high_word = left;
} /* if */
- env->entries[idx]->low_word = new_r_Const(irg, block, mode, get_mode_null(mode));
+ env->entries[idx]->low_word = new_r_Const(irg, get_mode_null(mode_l));
return;
} /* if */
/**
* Translate a Shrs and handle special cases.
*/
-static void lower_Shrs(ir_node *node, ir_mode *mode, lower_env_t *env) {
+static void lower_Shrs(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
ir_node *right = get_Shrs_right(node);
ir_graph *irg = current_ir_graph;
tarval *tv = get_Const_tarval(right);
if (tarval_is_long(tv) &&
- get_tarval_long(tv) >= get_mode_size_bits(mode)) {
- ir_node *block = get_nodes_block(node);
- ir_node *left = get_Shrs_left(node);
- long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
+ get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) {
+ ir_node *block = get_nodes_block(node);
+ ir_node *left = get_Shrs_left(node);
+ long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
+ int idx = get_irn_idx(left);
+ ir_mode *mode_l;
+ ir_node *low;
ir_node *c;
- int idx = get_irn_idx(left);
left = env->entries[idx]->high_word;
- idx = get_irn_idx(node);
+ if (left == NULL) {
+ /* not ready yet, wait */
+ pdeq_putr(env->waitq, node);
+ return;
+ }
+ idx = get_irn_idx(node);
+ mode_l = env->params->low_unsigned;
if (shf_cnt > 0) {
- c = new_r_Const_long(irg, block, mode_Iu, shf_cnt);
- env->entries[idx]->low_word = new_r_Shrs(irg, block, left, c, mode);
+ c = new_r_Const_long(irg, mode_l, shf_cnt);
+ low = new_r_Shrs(block, left, c, mode);
} else {
- env->entries[idx]->low_word = left;
+ low = left;
} /* if */
- c = new_r_Const_long(irg, block, mode_Iu, get_mode_size_bits(mode) - 1);
- env->entries[idx]->high_word = new_r_Shrs(irg, block, left, c, mode);
+ /* low word is expected to have mode_l */
+ env->entries[idx]->low_word = new_r_Conv(block, low, mode_l);
+
+ c = new_r_Const_long(irg, mode_l, get_mode_size_bits(mode) - 1);
+ env->entries[idx]->high_word = new_r_Shrs(block, left, c, mode);
return;
} /* if */
} /* lower_Shrs */
/**
- * Translate a Rot and handle special cases.
+ * Rebuild Rotl nodes into Or(Shl, Shr) and prepare all nodes.
*/
-static void lower_Rot(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_node *right = get_Rot_right(node);
-
- if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
- tarval *tv = get_Const_tarval(right);
-
- if (tarval_is_long(tv) &&
- get_tarval_long(tv) == get_mode_size_bits(mode)) {
- ir_node *left = get_Rot_left(node);
- ir_node *h, *l;
- int idx = get_irn_idx(left);
+static void prepare_links_and_handle_rotl(ir_node *node, void *env)
+{
+ lower_env_t *lenv = env;
+
+ if (is_Rotl(node)) {
+ ir_mode *mode = get_irn_op_mode(node);
+ if (mode == lenv->params->high_signed ||
+ mode == lenv->params->high_unsigned) {
+ ir_node *right = get_Rotl_right(node);
+ ir_node *left, *shl, *shr, *or, *block, *sub, *c;
+ ir_mode *omode, *rmode;
+ dbg_info *dbg;
+ optimization_state_t state;
+
+ if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
+ tarval *tv = get_Const_tarval(right);
+
+ if (tarval_is_long(tv) &&
+ get_tarval_long(tv) == (long)get_mode_size_bits(mode)) {
+ /* will be optimized in lower_Rotl() */
+ return;
+ }
+ }
+
+ /* replace the Rotl(x,y) by an Or(Shl(x,y), Shr(x,64-y)) and lower those */
+ dbg = get_irn_dbg_info(node);
+ omode = get_irn_mode(node);
+ left = get_Rotl_left(node);
+ block = get_nodes_block(node);
+ shl = new_rd_Shl(dbg, block, left, right, omode);
+ rmode = get_irn_mode(right);
+ c = new_Const_long(rmode, get_mode_size_bits(omode));
+ sub = new_rd_Sub(dbg, block, c, right, rmode);
+ shr = new_rd_Shr(dbg, block, left, sub, omode);
+
+ /* optimization must be switched off here, or we will get the Rotl back */
+ save_optimization_state(&state);
+ set_opt_algebraic_simplification(0);
+ or = new_rd_Or(dbg, block, shl, shr, omode);
+ restore_optimization_state(&state);
+
+ exchange(node, or);
+
+ /* do lowering on the new nodes */
+ prepare_links(shl, env);
+ prepare_links(c, env);
+ prepare_links(sub, env);
+ prepare_links(shr, env);
+ prepare_links(or, env);
+ }
+ } else {
+ prepare_links(node, env);
+ }
+}
- l = env->entries[idx]->low_word;
- h = env->entries[idx]->high_word;
- idx = get_irn_idx(node);
+/**
+ * Translate a special case Rotl(x, sizeof(w)).
+ */
+static void lower_Rotl(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_node *right = get_Rotl_right(node);
+ ir_node *left = get_Rotl_left(node);
+ ir_node *h, *l;
+ int idx = get_irn_idx(left);
+ (void) right;
+ (void) mode;
+
+ assert(get_mode_arithmetic(mode) == irma_twos_complement &&
+ is_Const(right) && tarval_is_long(get_Const_tarval(right)) &&
+ get_tarval_long(get_Const_tarval(right)) == (long)get_mode_size_bits(mode));
+
+ l = env->entries[idx]->low_word;
+ h = env->entries[idx]->high_word;
+ idx = get_irn_idx(node);
- env->entries[idx]->low_word = h;
- env->entries[idx]->high_word = l;
-
- return;
- } /* if */
- } /* if */
- lower_Shiftop(node, mode, env);
-} /* lower_Rot */
+ env->entries[idx]->low_word = h;
+ env->entries[idx]->high_word = l;
+} /* lower_Rotl */
/**
* Translate an Unop.
*
* Create an intrinsic Call.
*/
-static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env) {
+static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
ir_node *block, *irn;
ir_node *in[2];
dbg_info *dbg;
ir_type *mtp;
int idx;
- ir_graph *irg;
node_entry_t *entry;
irn = get_unop_op(node);
dbg = get_irn_dbg_info(node);
block = get_nodes_block(node);
- irg = current_ir_graph;
mtp = mode_is_signed(mode) ? unop_tp_s : unop_tp_u;
- irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, block, env);
- irn = new_rd_Call(dbg, irg, block, get_irg_no_mem(current_ir_graph),
+ irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
+ irn = new_rd_Call(dbg, block, get_irg_no_mem(current_ir_graph),
irn, 2, in, mtp);
set_irn_pinned(irn, get_irn_pinned(node));
- irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result);
+ irn = new_r_Proj(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(irg, block, irn, mode, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
+ env->entries[idx]->low_word = new_r_Proj(irn, env->params->low_unsigned, 0);
+ env->entries[idx]->high_word = new_r_Proj(irn, mode, 1);
} /* lower_Unop */
/**
* Create two logical Binops.
*/
static void lower_Binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env,
- ir_node *(*constr_rd)(dbg_info *db, ir_graph *irg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) ) {
+ ir_node *(*constr_rd)(dbg_info *db, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) ) {
ir_node *block, *irn;
ir_node *lop_l, *lop_h, *rop_l, *rop_h;
dbg_info *dbg;
idx = get_irn_idx(node);
assert(idx < env->n_entries);
irg = current_ir_graph;
- env->entries[idx]->low_word = constr_rd(dbg, irg, block, lop_l, rop_l, mode);
- env->entries[idx]->high_word = constr_rd(dbg, irg, block, lop_h, rop_h, mode);
+ env->entries[idx]->low_word = constr_rd(dbg, block, lop_l, rop_l, env->params->low_unsigned);
+ env->entries[idx]->high_word = constr_rd(dbg, block, lop_h, rop_h, mode);
} /* lower_Binop_logical */
-/** create a logical operation tranformation */
+/** create a logical operation transformation */
#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); \
*
* Create two logical Nots.
*/
-static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env) {
+static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
ir_node *block, *irn;
ir_node *op_l, *op_h;
dbg_info *dbg;
int idx;
- ir_graph *irg;
node_entry_t *entry;
irn = get_Not_op(node);
dbg = get_irn_dbg_info(node);
block = get_nodes_block(node);
- irg = current_ir_graph;
idx = get_irn_idx(node);
assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_rd_Not(dbg, current_ir_graph, block, op_l, mode);
- env->entries[idx]->high_word = new_rd_Not(dbg, current_ir_graph, block, op_h, mode);
+ env->entries[idx]->low_word = new_rd_Not(dbg, block, op_l, env->params->low_unsigned);
+ env->entries[idx]->high_word = new_rd_Not(dbg, block, op_h, mode);
} /* lower_Not */
-/**
- * Translate a Minus.
- *
- * Create two Minus'.
- */
-static void lower_Minus(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_node *block, *irn;
- ir_node *op_l, *op_h;
- dbg_info *dbg;
- int idx;
- ir_graph *irg;
- node_entry_t *entry;
-
- irn = get_Minus_op(node);
- entry = env->entries[get_irn_idx(irn)];
- assert(entry);
-
- if (! entry->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
-
- op_l = entry->low_word;
- op_h = entry->high_word;
-
- dbg = get_irn_dbg_info(node);
- block = get_nodes_block(node);
- irg = current_ir_graph;
-
- idx = get_irn_idx(node);
- assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_rd_Minus(dbg, current_ir_graph, block, op_l, mode);
- env->entries[idx]->high_word = new_rd_Minus(dbg, current_ir_graph, block, op_h, mode);
-} /* lower_Minus */
-
/**
* Translate a Cond.
*/
-static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) {
+static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
ir_node *cmp, *left, *right, *block;
ir_node *sel = get_Cond_selector(node);
ir_mode *m = get_irn_mode(sel);
int idx;
+ (void) mode;
if (m == mode_b) {
node_entry_t *lentry, *rentry;
ir_node *new_bl, *cmpH, *cmpL, *irn;
ir_node *projHF, *projHT;
ir_node *dst_blk;
- ir_graph *irg;
pn_Cmp pnc;
+ ir_graph *irg;
dbg_info *dbg;
+ if (!is_Proj(sel))
+ return;
+
cmp = get_Proj_pred(sel);
+ if (!is_Cmp(cmp))
+ return;
+
left = get_Cmp_left(cmp);
idx = get_irn_idx(left);
lentry = env->entries[idx];
assert(projT && projF);
/* create a new high compare */
- block = get_nodes_block(cmp);
+ block = get_nodes_block(node);
+ irg = get_Block_irg(block);
dbg = get_irn_dbg_info(cmp);
- irg = current_ir_graph;
+ pnc = get_Proj_proj(sel);
+
+ if (is_Const(right) && is_Const_null(right)) {
+ if (pnc == pn_Cmp_Eq || pnc == pn_Cmp_Lg) {
+ /* x ==/!= 0 ==> or(low,high) ==/!= 0 */
+ ir_mode *mode = env->params->low_unsigned;
+ ir_node *low = new_r_Conv(block, lentry->low_word, mode);
+ ir_node *high = new_r_Conv(block, lentry->high_word, mode);
+ ir_node *or = new_rd_Or(dbg, block, low, high, mode);
+ ir_node *cmp = new_rd_Cmp(dbg, block, or, new_Const_long(mode, 0));
+
+ ir_node *proj = new_r_Proj(cmp, mode_b, pnc);
+ set_Cond_selector(node, proj);
+ return;
+ }
+ }
- cmpH = new_rd_Cmp(dbg, irg, block, lentry->high_word, rentry->high_word);
+ cmpH = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word);
- pnc = get_Proj_proj(sel);
if (pnc == pn_Cmp_Eq) {
/* simple case:a == b <==> a_h == b_h && a_l == b_l */
pmap_entry *entry = pmap_find(env->proj_2_block, projF);
assert(entry);
dst_blk = entry->value;
- irn = new_r_Proj(irg, block, cmpH, mode_b, pn_Cmp_Eq);
+ irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Eq);
dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, block, irn);
+ irn = new_rd_Cond(dbg, block, irn);
- projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false);
+ projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
mark_irn_visited(projHF);
exchange(projF, projHF);
- projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
+ projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
mark_irn_visited(projHT);
new_bl = new_r_Block(irg, 1, &projHT);
dbg = get_irn_dbg_info(cmp);
- cmpL = new_rd_Cmp(dbg, irg, new_bl, lentry->low_word, rentry->low_word);
- irn = new_r_Proj(irg, new_bl, cmpL, mode_b, pn_Cmp_Eq);
+ cmpL = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word);
+ irn = new_r_Proj(cmpL, mode_b, pn_Cmp_Eq);
dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, new_bl, irn);
+ irn = new_rd_Cond(dbg, new_bl, irn);
- proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_false);
+ proj = new_r_Proj(irn, mode_X, pn_Cond_false);
mark_irn_visited(proj);
add_block_cf_input(dst_blk, projHF, proj);
- proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_true);
+ proj = new_r_Proj(irn, mode_X, pn_Cond_true);
mark_irn_visited(proj);
exchange(projT, proj);
} else if (pnc == pn_Cmp_Lg) {
assert(entry);
dst_blk = entry->value;
- irn = new_r_Proj(irg, block, cmpH, mode_b, pn_Cmp_Lg);
+ irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Lg);
dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, block, irn);
+ irn = new_rd_Cond(dbg, block, irn);
- projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
+ projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
mark_irn_visited(projHT);
exchange(projT, projHT);
- projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false);
+ projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
mark_irn_visited(projHF);
new_bl = new_r_Block(irg, 1, &projHF);
dbg = get_irn_dbg_info(cmp);
- cmpL = new_rd_Cmp(dbg, irg, new_bl, lentry->low_word, rentry->low_word);
- irn = new_r_Proj(irg, new_bl, cmpL, mode_b, pn_Cmp_Lg);
+ cmpL = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word);
+ irn = new_r_Proj(cmpL, mode_b, pn_Cmp_Lg);
dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, new_bl, irn);
+ irn = new_rd_Cond(dbg, new_bl, irn);
- proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_true);
+ proj = new_r_Proj(irn, mode_X, pn_Cond_true);
mark_irn_visited(proj);
add_block_cf_input(dst_blk, projHT, proj);
- proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_false);
+ proj = new_r_Proj(irn, mode_X, pn_Cond_false);
mark_irn_visited(proj);
exchange(projF, proj);
} else {
assert(entry);
dstF = entry->value;
- irn = new_r_Proj(irg, block, cmpH, mode_b, pnc & ~pn_Cmp_Eq);
+ irn = new_r_Proj(cmpH, mode_b, pnc & ~pn_Cmp_Eq);
dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, block, irn);
+ irn = new_rd_Cond(dbg, block, irn);
- projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
+ projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
mark_irn_visited(projHT);
exchange(projT, projHT);
projT = projHT;
- projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false);
+ projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
mark_irn_visited(projHF);
newbl_eq = new_r_Block(irg, 1, &projHF);
- irn = new_r_Proj(irg, newbl_eq, cmpH, mode_b, pn_Cmp_Eq);
- irn = new_rd_Cond(dbg, irg, newbl_eq, irn);
+ irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Eq);
+ irn = new_rd_Cond(dbg, newbl_eq, irn);
- proj = new_r_Proj(irg, newbl_eq, irn, mode_X, pn_Cond_false);
+ proj = new_r_Proj(irn, mode_X, pn_Cond_false);
mark_irn_visited(proj);
exchange(projF, proj);
projF = proj;
- proj = new_r_Proj(irg, newbl_eq, irn, mode_X, pn_Cond_true);
+ proj = new_r_Proj(irn, mode_X, pn_Cond_true);
mark_irn_visited(proj);
newbl_l = new_r_Block(irg, 1, &proj);
dbg = get_irn_dbg_info(cmp);
- cmpL = new_rd_Cmp(dbg, irg, newbl_l, lentry->low_word, rentry->low_word);
- irn = new_r_Proj(irg, newbl_l, cmpL, mode_b, pnc);
+ cmpL = new_rd_Cmp(dbg, newbl_l, lentry->low_word, rentry->low_word);
+ irn = new_r_Proj(cmpL, mode_b, pnc);
dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, newbl_l, irn);
+ irn = new_rd_Cond(dbg, newbl_l, irn);
- proj = new_r_Proj(irg, newbl_l, irn, mode_X, pn_Cond_true);
+ proj = new_r_Proj(irn, mode_X, pn_Cond_true);
mark_irn_visited(proj);
add_block_cf_input(dstT, projT, proj);
- proj = new_r_Proj(irg, newbl_l, irn, mode_X, pn_Cond_false);
+ proj = new_r_Proj(irn, mode_X, pn_Cond_false);
mark_irn_visited(proj);
add_block_cf_input(dstF, projF, proj);
} /* if */
/**
* 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 *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);
-
- if (mode_is_int(imode) || mode_is_reference(imode)) {
- if (imode == env->params->high_unsigned) {
- /* a Conv from Lu to Ls */
- int op_idx = get_irn_idx(op);
-
- if (! env->entries[op_idx]->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
- env->entries[idx]->low_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->low_word, dst_mode);
- env->entries[idx]->high_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->high_word, dst_mode);
- } else {
- /* simple case: create a high word */
- 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_rd_Shrs(dbg, irg, block, op,
- new_Const_long(mode_Iu, get_mode_size_bits(dst_mode) - 1), dst_mode);
- } /* if */
- } else {
- 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);
- } /* if */
-} /* lower_Conv_to_Ls */
-
-/**
- * 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 *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);
+static void lower_Conv_to_Ll(ir_node *node, lower_env_t *env)
+{
+ ir_mode *omode = get_irn_mode(node);
+ ir_node *op = get_Conv_op(node);
+ ir_mode *imode = get_irn_mode(op);
+ 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);
+ node_entry_t *entry = env->entries[idx];
+ ir_mode *low_unsigned = env->params->low_unsigned;
+ ir_mode *low_signed
+ = mode_is_signed(omode) ? env->params->low_signed : low_unsigned;
assert(idx < env->n_entries);
if (mode_is_int(imode) || mode_is_reference(imode)) {
- if (imode == env->params->high_signed) {
- /* a Conv from Ls to Lu */
- int op_idx = get_irn_idx(op);
+ if (imode == env->params->high_signed
+ || imode == env->params->high_unsigned) {
+ /* a Conv from Lu to Ls or Ls to Lu */
+ int op_idx = get_irn_idx(op);
+ node_entry_t *op_entry = env->entries[op_idx];
- if (! env->entries[op_idx]->low_word) {
+ if (! op_entry->low_word) {
/* not ready yet, wait */
pdeq_putr(env->waitq, node);
return;
- } /* if */
- env->entries[idx]->low_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->low_word, dst_mode);
- env->entries[idx]->high_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->high_word, dst_mode);
+ }
+ entry->low_word = op_entry->low_word;
+ entry->high_word = new_rd_Conv(dbg, block, op_entry->high_word,
+ low_signed);
} else {
/* simple case: create a high word */
- 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));
- } /* if */
+ if (imode != low_unsigned)
+ op = new_rd_Conv(dbg, block, op, low_unsigned);
+
+ entry->low_word = op;
+
+ if (mode_is_signed(imode)) {
+ int c = get_mode_size_bits(low_signed) - 1;
+ ir_node *cnst = new_Const_long(low_unsigned, c);
+ if (get_irn_mode(op) != low_signed)
+ op = new_rd_Conv(dbg, block, op, low_signed);
+ entry->high_word = new_rd_Shrs(dbg, block, op, cnst,
+ low_signed);
+ } else {
+ entry->high_word = new_Const(get_mode_null(low_signed));
+ }
+ }
+ } else if (imode == mode_b) {
+ entry->low_word = new_rd_Conv(dbg, block, op, low_unsigned);
+ entry->high_word = new_Const(get_mode_null(low_signed));
} else {
ir_node *irn, *call;
- ir_mode *omode = env->params->high_unsigned;
ir_type *mtp = get_conv_type(imode, omode, env);
- /* do an intrinsic call */
- 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);
+ irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env);
+ call = new_rd_Call(dbg, 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);
- } /* if */
-} /* lower_Conv_to_Lu */
-
-/**
- * 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 *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;
-
- assert(idx < env->n_entries);
+ irn = new_r_Proj(call, mode_T, pn_Call_T_result);
- if (mode_is_int(omode) || mode_is_reference(omode)) {
- op = env->entries[idx]->low_word;
-
- /* simple case: create a high word */
- if (omode != env->params->low_signed)
- op = new_rd_Conv(dbg, irg, block, op, omode);
-
- set_Conv_op(node, op);
- } else {
- 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));
- } /* if */
-} /* lower_Conv_from_Ls */
+ entry->low_word = new_r_Proj(irn, low_unsigned, 0);
+ entry->high_word = new_r_Proj(irn, low_signed, 1);
+ }
+}
/**
* 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 *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;
+static void lower_Conv_from_Ll(ir_node *node, lower_env_t *env)
+{
+ 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;
+ node_entry_t *entry = env->entries[idx];
assert(idx < env->n_entries);
+ if (! entry->low_word) {
+ /* not ready yet, wait */
+ pdeq_putr(env->waitq, node);
+ return;
+ }
+
if (mode_is_int(omode) || mode_is_reference(omode)) {
- op = env->entries[idx]->low_word;
+ op = entry->low_word;
/* simple case: create a high word */
if (omode != env->params->low_unsigned)
- op = new_rd_Conv(dbg, irg, block, op, omode);
+ op = new_rd_Conv(dbg, block, op, omode);
set_Conv_op(node, op);
+ } else if (omode == mode_b) {
+ /* llu ? true : false <=> (low|high) ? true : false */
+ ir_mode *mode = env->params->low_unsigned;
+ ir_node *or = new_rd_Or(dbg, block, entry->low_word, entry->high_word,
+ mode);
+ set_Conv_op(node, or);
} else {
ir_node *irn, *call, *in[2];
- ir_mode *imode = env->params->high_unsigned;
- ir_type *mtp = get_conv_type(imode, omode, env);
+ ir_mode *imode = get_irn_mode(op);
+ 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;
+ irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env);
+ in[0] = entry->low_word;
+ in[1] = entry->high_word;
- call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
+ call = new_rd_Call(dbg, 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);
+ irn = new_r_Proj(call, mode_T, pn_Call_T_result);
- exchange(node, new_r_Proj(irg, block, irn, omode, 0));
- } /* if */
-} /* lower_Conv_from_Lu */
+ exchange(node, new_r_Proj(irn, omode, 0));
+ }
+}
/**
* Translate a Conv.
*/
-static void lower_Conv(ir_node *node, ir_mode *mode, lower_env_t *env) {
+static void lower_Conv(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
mode = get_irn_mode(node);
- if (mode == env->params->high_signed) {
- lower_Conv_to_Ls(node, env);
- } else if (mode == env->params->high_unsigned) {
- lower_Conv_to_Lu(node, env);
+ if (mode == env->params->high_signed
+ || mode == env->params->high_unsigned) {
+ lower_Conv_to_Ll(node, env);
} else {
ir_mode *mode = get_irn_mode(get_Conv_op(node));
- if (mode == env->params->high_signed) {
- lower_Conv_from_Ls(node, env);
- } else if (mode == env->params->high_unsigned) {
- lower_Conv_from_Lu(node, env);
- } /* if */
- } /* if */
-} /* lower_Conv */
+ if (mode == env->params->high_signed
+ || mode == env->params->high_unsigned) {
+ lower_Conv_from_Ll(node, env);
+ }
+ }
+}
/**
* Lower the method type.
+ *
+ * @param mtp the method type to lower
+ * @param ent the lower environment
+ *
+ * @return the lowered type
*/
-static ir_type *lower_mtp(ir_type *mtp, lower_env_t *env) {
+static ir_type *lower_mtp(ir_type *mtp, lower_env_t *env)
+{
pmap_entry *entry;
- ident *id;
- ir_type *res;
+ ident *lid;
+ ir_type *res, *value_type;
if (is_lowered_type(mtp))
return mtp;
} /* if */
} /* for */
- id = mangle_u(new_id_from_chars("L", 1), get_type_ident(mtp));
- res = new_type_method(id, n_param, n_res);
+ res = new_type_method(n_param, n_res);
/* set param types and result types */
for (i = n_param = 0; i < n; ++i) {
ir_mode *mode = get_type_mode(tp);
if (mode == env->params->high_signed) {
- set_method_param_type(res, n_param++, tp_s);
+ set_method_param_type(res, n_param++, tp_u);
set_method_param_type(res, n_param++, tp_s);
} else if (mode == env->params->high_unsigned) {
set_method_param_type(res, n_param++, tp_u);
ir_mode *mode = get_type_mode(tp);
if (mode == env->params->high_signed) {
- set_method_res_type(res, n_res++, tp_s);
+ set_method_res_type(res, n_res++, tp_u);
set_method_res_type(res, n_res++, tp_s);
} else if (mode == env->params->high_unsigned) {
set_method_res_type(res, n_res++, tp_u);
} /* for */
set_lowered_type(mtp, res);
pmap_insert(lowered_type, mtp, res);
+
+ value_type = get_method_value_param_type(mtp);
+ if (value_type != NULL) {
+ /* this creates a new value parameter type */
+ (void)get_method_value_param_ent(res, 0);
+
+ /* set new param positions */
+ for (i = n_param = 0; i < n; ++i) {
+ ir_type *tp = get_method_param_type(mtp, i);
+ ident *id = get_method_param_ident(mtp, i);
+ ir_entity *ent = get_method_value_param_ent(mtp, i);
+
+ set_entity_link(ent, INT_TO_PTR(n_param));
+ if (is_Primitive_type(tp)) {
+ ir_mode *mode = get_type_mode(tp);
+
+ if (mode == env->params->high_signed || mode == env->params->high_unsigned) {
+ if (id != NULL) {
+ lid = id_mangle(id, env->first_id);
+ set_method_param_ident(res, n_param, lid);
+ set_entity_ident(get_method_value_param_ent(res, n_param), lid);
+ lid = id_mangle(id, env->next_id);
+ set_method_param_ident(res, n_param + 1, lid);
+ set_entity_ident(get_method_value_param_ent(res, n_param + 1), lid);
+ } /* if */
+ n_param += 2;
+ continue;
+ } /* if */
+ } /* if */
+ if (id != NULL) {
+ set_method_param_ident(res, n_param, id);
+ set_entity_ident(get_method_value_param_ent(res, n_param), id);
+ } /* if */
+ ++n_param;
+ } /* for */
+
+ set_lowered_type(value_type, get_method_value_param_type(res));
+ } /* if */
} else {
res = entry->value;
} /* if */
/**
* Translate a Return.
*/
-static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_graph *irg = current_ir_graph;
- entity *ent = get_irg_entity(irg);
- ir_type *mtp = get_entity_type(ent);
- ir_node **in;
- int i, j, n, idx;
- int need_conv = 0;
+static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_graph *irg = current_ir_graph;
+ ir_entity *ent = get_irg_entity(irg);
+ ir_type *mtp = get_entity_type(ent);
+ ir_node **in;
+ int i, j, n, idx;
+ int need_conv = 0;
+ (void) mode;
/* check if this return must be lowered */
for (i = 0, n = get_Return_n_ress(node); i < n; ++i) {
/**
* Translate the parameters.
*/
-static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_graph *irg = current_ir_graph;
- entity *ent = get_irg_entity(irg);
- ir_type *tp = get_entity_type(ent);
- ir_type *mtp;
- long *new_projs;
- int i, j, n_params, rem;
- ir_node *proj, *args;
+static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_graph *irg = get_irn_irg(node);
+ ir_entity *ent = get_irg_entity(irg);
+ ir_type *tp = get_entity_type(ent);
+ ir_type *mtp;
+ long *new_projs;
+ int i, j, n_params, rem;
+ ir_node *proj, *args;
+ (void) mode;
if (is_lowered_type(tp)) {
mtp = get_associated_type(tp);
idx = get_irn_idx(proj);
if (env->entries[idx]) {
+ ir_mode *low_mode = env->params->low_unsigned;
+
mode = get_irn_mode(proj);
if (mode == env->params->high_signed) {
dbg = get_irn_dbg_info(proj);
env->entries[idx]->low_word =
- new_rd_Proj(dbg, irg, get_nodes_block(proj), args, mode, new_projs[proj_nr]);
+ new_rd_Proj(dbg, args, low_mode, new_projs[proj_nr]);
env->entries[idx]->high_word =
- new_rd_Proj(dbg, irg, get_nodes_block(proj), args, mode, new_projs[proj_nr] + 1);
+ new_rd_Proj(dbg, args, mode, new_projs[proj_nr] + 1);
} /* if */
} /* for */
set_optimize(rem);
/**
* Translate a Call.
*/
-static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_graph *irg = current_ir_graph;
+static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
ir_type *tp = get_Call_type(node);
ir_type *call_tp;
ir_node **in, *proj, *results;
int n_params, n_res, need_lower = 0;
int i, j;
long *res_numbers = NULL;
+ (void) mode;
if (is_lowered_type(tp)) {
call_tp = get_associated_type(tp);
idx = get_irn_idx(proj);
if (env->entries[idx]) {
ir_mode *mode = get_irn_mode(proj);
+ ir_mode *low_mode = env->params->low_unsigned;
dbg_info *dbg;
if (mode == env->params->high_signed) {
dbg = get_irn_dbg_info(proj);
env->entries[idx]->low_word =
- new_rd_Proj(dbg, irg, get_nodes_block(proj), results, mode, res_numbers[proj_nr]);
+ new_rd_Proj(dbg, results, low_mode, res_numbers[proj_nr]);
env->entries[idx]->high_word =
- new_rd_Proj(dbg, irg, get_nodes_block(proj), results, mode, res_numbers[proj_nr] + 1);
+ new_rd_Proj(dbg, results, mode, res_numbers[proj_nr] + 1);
} /* if */
mark_irn_visited(proj);
} /* if */
/**
* Translate an Unknown into two.
*/
-static void lower_Unknown(ir_node *node, ir_mode *mode, lower_env_t *env) {
- int idx = get_irn_idx(node);
- ir_graph *irg = current_ir_graph;
+static void lower_Unknown(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ int idx = get_irn_idx(node);
+ ir_graph *irg = get_irn_irg(node);
+ ir_mode *low_mode = env->params->low_unsigned;
- env->entries[idx]->low_word =
+ env->entries[idx]->low_word = new_r_Unknown(irg, low_mode);
env->entries[idx]->high_word = new_r_Unknown(irg, mode);
} /* lower_Unknown */
*
* First step: just create two templates
*/
-static void lower_Phi(ir_node *phi, ir_mode *mode, lower_env_t *env) {
- ir_graph *irg = current_ir_graph;
- ir_node *block, *unk;
+static void lower_Phi(ir_node *phi, ir_mode *mode, lower_env_t *env)
+{
+ ir_mode *mode_l = env->params->low_unsigned;
+ ir_graph *irg = get_irn_irg(phi);
+ ir_node *block, *unk_l, *unk_h, *phi_l, *phi_h;
ir_node **inl, **inh;
dbg_info *dbg;
int idx, i, arity = get_Phi_n_preds(phi);
/* first create a new in array */
NEW_ARR_A(ir_node *, inl, arity);
NEW_ARR_A(ir_node *, inh, arity);
- unk = new_r_Unknown(irg, mode);
+ unk_l = new_r_Unknown(irg, mode_l);
+ unk_h = new_r_Unknown(irg, mode);
for (i = 0; i < arity; ++i) {
ir_node *pred = get_Phi_pred(phi, i);
inl[i] = env->entries[idx]->low_word;
inh[i] = env->entries[idx]->high_word;
} else {
- inl[i] = unk;
- inh[i] = unk;
+ inl[i] = unk_l;
+ inh[i] = unk_h;
enq = 1;
} /* if */
} /* for */
idx = get_irn_idx(phi);
assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_rd_Phi(dbg, irg, block, arity, inl, mode);
- env->entries[idx]->high_word = new_rd_Phi(dbg, irg, block, arity, inh, mode);
+ env->entries[idx]->low_word = phi_l = new_rd_Phi(dbg, block, arity, inl, mode_l);
+ env->entries[idx]->high_word = phi_h = new_rd_Phi(dbg, block, arity, inh, mode);
+
+ /* Don't forget to link the new Phi nodes into the block.
+ * Beware that some Phis might be optimized away. */
+ if (is_Phi(phi_l))
+ add_Block_phi(block, phi_l);
+ if (is_Phi(phi_h))
+ add_Block_phi(block, phi_h);
if (enq) {
/* not yet finished */
} /* lower_Phi */
/**
- * Translate a Psi.
+ * Translate a Mux.
*/
-static void lower_Psi(ir_node *psi, ir_mode *mode, lower_env_t *env) {
- ir_graph *irg = current_ir_graph;
+static void lower_Mux(ir_node *mux, ir_mode *mode, lower_env_t *env)
+{
ir_node *block, *val;
- ir_node **valsl, **valsh, **conds;
+ ir_node *true_l, *true_h, *false_l, *false_h, *sel;
dbg_info *dbg;
- int idx, i, n_conds = get_Psi_n_conds(psi);
+ int idx;
- /* first create a new in array */
- NEW_ARR_A(ir_node *, valsl, n_conds + 1);
- NEW_ARR_A(ir_node *, valsh, n_conds + 1);
+ val = get_Mux_true(mux);
+ idx = get_irn_idx(val);
+ if (env->entries[idx]->low_word) {
+ /* Values already build */
+ true_l = env->entries[idx]->low_word;
+ true_h = env->entries[idx]->high_word;
+ } else {
+ /* still not ready */
+ pdeq_putr(env->waitq, mux);
+ return;
+ } /* if */
- for (i = 0; i < n_conds; ++i) {
- val = get_Psi_val(psi, i);
- idx = get_irn_idx(val);
- if (env->entries[idx]->low_word) {
- /* Values already build */
- valsl[i] = env->entries[idx]->low_word;
- valsh[i] = env->entries[idx]->high_word;
- } else {
- /* still not ready */
- pdeq_putr(env->waitq, psi);
- return;
- } /* if */
- } /* for */
- val = get_Psi_default(psi);
+ val = get_Mux_false(mux);
idx = get_irn_idx(val);
if (env->entries[idx]->low_word) {
/* Values already build */
- valsl[i] = env->entries[idx]->low_word;
- valsh[i] = env->entries[idx]->high_word;
+ false_l = env->entries[idx]->low_word;
+ false_h = env->entries[idx]->high_word;
} else {
/* still not ready */
- pdeq_putr(env->waitq, psi);
+ pdeq_putr(env->waitq, mux);
return;
} /* if */
- NEW_ARR_A(ir_node *, conds, n_conds);
- for (i = 0; i < n_conds; ++i) {
- conds[i] = get_Psi_cond(psi, i);
- } /* for */
+ sel = get_Mux_sel(mux);
- dbg = get_irn_dbg_info(psi);
- block = get_nodes_block(psi);
+ dbg = get_irn_dbg_info(mux);
+ block = get_nodes_block(mux);
- idx = get_irn_idx(psi);
+ idx = get_irn_idx(mux);
assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_rd_Psi(dbg, irg, block, n_conds, conds, valsl, mode);
- env->entries[idx]->high_word = new_rd_Psi(dbg, irg, block, n_conds, conds, valsh, mode);
-} /* lower_Psi */
+ env->entries[idx]->low_word = new_rd_Mux(dbg, block, sel, false_l, true_l, mode);
+ env->entries[idx]->high_word = new_rd_Mux(dbg, block, sel, false_h, true_h, mode);
+} /* lower_Mux */
+
+/**
+ * Translate an ASM node.
+ */
+static void lower_ASM(ir_node *asmn, ir_mode *mode, lower_env_t *env)
+{
+ ir_mode *his = env->params->high_signed;
+ ir_mode *hiu = env->params->high_unsigned;
+ int i;
+ ir_node *n;
+
+ (void)mode;
+
+ for (i = get_irn_arity(asmn) - 1; i >= 0; --i) {
+ ir_mode *op_mode = get_irn_mode(get_irn_n(asmn, i));
+ if (op_mode == his || op_mode == hiu) {
+ panic("lowering ASM unimplemented");
+ } /* if */
+ } /* for */
+
+ for (n = asmn;;) {
+ ir_mode *proj_mode;
+
+ n = get_irn_link(n);
+ if (n == NULL)
+ break;
+
+ proj_mode = get_irn_mode(n);
+ if (proj_mode == his || proj_mode == hiu) {
+ panic("lowering ASM unimplemented");
+ } /* if */
+ } /* for */
+} /* lower_ASM */
+
+/**
+ * Translate a Sel node.
+ */
+static void lower_Sel(ir_node *sel, ir_mode *mode, lower_env_t *env)
+{
+ (void) mode;
+
+ /* we must only lower value parameter Sels if we change the
+ value parameter type. */
+ if (env->value_param_tp != NULL) {
+ ir_entity *ent = get_Sel_entity(sel);
+ if (get_entity_owner(ent) == env->value_param_tp) {
+ int pos = PTR_TO_INT(get_entity_link(ent));
+
+ ent = get_method_value_param_ent(env->l_mtp, pos);
+ set_Sel_entity(sel, ent);
+ } /* if */
+ } /* if */
+} /* lower_Sel */
+
+/**
+ * check for opcodes that must always be lowered.
+ */
+static int always_lower(ir_opcode code)
+{
+ switch (code) {
+ case iro_ASM:
+ case iro_Proj:
+ case iro_Start:
+ case iro_Call:
+ case iro_Return:
+ case iro_Cond:
+ case iro_Conv:
+ case iro_Sel:
+ return 1;
+ default:
+ return 0;
+ } /* switch */
+} /* always_lower */
/**
- * lower all marked Proj(Cmp)
+ * lower boolean Proj(Cmp)
*/
-static void lower_Proj(ir_node *node, ir_mode *mode, lower_env_t *env) {
- int idx, lidx, ridx;
- ir_node *cmp, *l, *r, *low, *high, *t, *res;
+static ir_node *lower_boolean_Proj_Cmp(ir_node *proj, ir_node *cmp, lower_env_t *env)
+{
+ int lidx, ridx;
+ ir_node *l, *r, *low, *high, *t, *res;
pn_Cmp pnc;
ir_node *blk;
- ir_graph *irg = current_ir_graph;
dbg_info *db;
- idx = get_irn_idx(node);
- if (env->entries[idx] == NULL)
- return;
-
- cmp = get_Proj_pred(node);
- l = get_Cmp_left(cmp);
+ l = get_Cmp_left(cmp);
lidx = get_irn_idx(l);
if (! env->entries[lidx]->low_word) {
/* still not ready */
- pdeq_putr(env->waitq, node);
- return;
+ return NULL;
} /* if */
- r = get_Cmp_right(cmp);
+ r = get_Cmp_right(cmp);
ridx = get_irn_idx(r);
if (! env->entries[ridx]->low_word) {
/* still not ready */
- pdeq_putr(env->waitq, node);
- return;
+ return NULL;
} /* if */
- pnc = get_Proj_proj(node);
+ pnc = get_Proj_proj(proj);
blk = get_nodes_block(cmp);
db = get_irn_dbg_info(cmp);
- low = new_rd_Cmp(db, irg, blk, env->entries[lidx]->low_word, env->entries[ridx]->low_word);
- high = new_rd_Cmp(db, irg, blk, env->entries[lidx]->high_word, env->entries[ridx]->high_word);
+ low = new_rd_Cmp(db, blk, env->entries[lidx]->low_word, env->entries[ridx]->low_word);
+ high = new_rd_Cmp(db, blk, env->entries[lidx]->high_word, env->entries[ridx]->high_word);
if (pnc == pn_Cmp_Eq) {
/* simple case:a == b <==> a_h == b_h && a_l == b_l */
- res = new_rd_And(db, irg, blk,
- new_r_Proj(irg, blk, low, mode_b, pnc),
- new_r_Proj(irg, blk, high, mode_b, pnc),
+ res = new_rd_And(db, blk,
+ new_r_Proj(low, mode_b, pnc),
+ new_r_Proj(high, mode_b, pnc),
mode_b);
} else if (pnc == pn_Cmp_Lg) {
/* simple case:a != b <==> a_h != b_h || a_l != b_l */
- res = new_rd_Or(db, irg, blk,
- new_r_Proj(irg, blk, low, mode_b, pnc),
- new_r_Proj(irg, blk, high, mode_b, pnc),
+ res = new_rd_Or(db, blk,
+ new_r_Proj(low, mode_b, pnc),
+ new_r_Proj(high, mode_b, pnc),
mode_b);
} else {
/* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
- t = new_rd_And(db, irg, blk,
- new_r_Proj(irg, blk, low, mode_b, pnc),
- new_r_Proj(irg, blk, high, mode_b, pn_Cmp_Eq),
+ t = new_rd_And(db, blk,
+ new_r_Proj(low, mode_b, pnc),
+ new_r_Proj(high, mode_b, pn_Cmp_Eq),
mode_b);
- res = new_rd_Or(db, irg, blk,
- new_r_Proj(irg, blk, high, mode_b, pnc & ~pn_Cmp_Eq),
+ res = new_rd_Or(db, blk,
+ new_r_Proj(high, mode_b, pnc & ~pn_Cmp_Eq),
t,
mode_b);
} /* if */
- exchange(node, res);
-} /* lower_Proj */
-
-/**
- * check for opcodes that must always be lowered.
- */
-static int always_lower(opcode code) {
- switch (code) {
- case iro_Proj:
- case iro_Start:
- case iro_Call:
- case iro_Return:
- case iro_Cond:
- case iro_Conv:
- return 1;
- default:
- return 0;
- } /* switch */
-} /* always_lower */
+ return res;
+} /* lower_boolean_Proj_Cmp */
/**
* The type of a lower function.
lower_env_t *lenv = env;
node_entry_t *entry;
int idx = get_irn_idx(node);
+ ir_mode *mode = get_irn_mode(node);
+
+ if (mode == mode_b || is_Mux(node) || is_Conv(node)) {
+ int i;
+
+ for (i = get_irn_arity(node) - 1; i >= 0; --i) {
+ ir_node *proj = get_irn_n(node, i);
+
+ if (is_Proj(proj)) {
+ ir_node *cmp = get_Proj_pred(proj);
+
+ if (is_Cmp(cmp)) {
+ ir_node *arg = get_Cmp_left(cmp);
+
+ mode = get_irn_mode(arg);
+ if (mode == lenv->params->high_signed ||
+ mode == lenv->params->high_unsigned) {
+ ir_node *res = lower_boolean_Proj_Cmp(proj, cmp, lenv);
+
+ if (res == NULL) {
+ /* could not lower because predecessors not ready */
+ waitq_put(lenv->waitq, node);
+ return;
+ } /* if */
+ set_irn_n(node, i, res);
+ } /* if */
+ } /* if */
+ } /* if */
+ } /* for */
+ } /* if */
entry = idx < lenv->n_entries ? lenv->entries[idx] : NULL;
if (entry || always_lower(get_irn_opcode(node))) {
lower_func func = (lower_func)op->ops.generic;
if (func) {
- ir_mode *mode = get_irn_op_mode(node);
+ mode = get_irn_op_mode(node);
if (mode == lenv->params->high_signed)
mode = lenv->params->low_signed;
/**
* Compare two op_mode_entry_t's.
*/
-static int cmp_op_mode(const void *elt, const void *key, size_t size) {
+static int cmp_op_mode(const void *elt, const void *key, size_t size)
+{
const op_mode_entry_t *e1 = elt;
const op_mode_entry_t *e2 = key;
+ (void) size;
return (e1->op - e2->op) | (e1->imode - e2->imode) | (e1->omode - e2->omode);
} /* cmp_op_mode */
/**
* Compare two conv_tp_entry_t's.
*/
-static int cmp_conv_tp(const void *elt, const void *key, size_t size) {
+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;
+ (void) size;
return (e1->imode - e2->imode) | (e1->omode - e2->omode);
-} /* static int cmp_conv_tp */
+} /* cmp_conv_tp */
+
+/**
+ * Enter a lowering function into an ir_op.
+ */
+static void enter_lower_func(ir_op *op, lower_func func)
+{
+ op->ops.generic = (op_func)func;
+} /* enter_lower_func */
+
+/**
+ * Returns non-zero if a method type must be lowered.
+ *
+ * @param mtp the method type
+ */
+static int mtp_must_to_lowered(ir_type *mtp, lower_env_t *env)
+{
+ int i, n_params;
+
+ n_params = get_method_n_params(mtp);
+ if (n_params <= 0)
+ return 0;
+
+ /* first check if we have parameters that must be fixed */
+ for (i = 0; i < n_params; ++i) {
+ ir_type *tp = get_method_param_type(mtp, i);
+
+ if (is_Primitive_type(tp)) {
+ ir_mode *mode = get_type_mode(tp);
+
+ if (mode == env->params->high_signed ||
+ mode == env->params->high_unsigned)
+ return 1;
+ } /* if */
+ } /* for */
+ return 0;
+} /* mtp_must_to_lowered */
/*
* Do the lowering.
void lower_dw_ops(const lwrdw_param_t *param)
{
lower_env_t lenv;
- int i;
- ir_graph *rem;
+ int i;
+ ir_graph *rem;
if (! param)
return;
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));
- /* create the necessary maps */
+ /* create the necessary maps */
if (! prim_types)
prim_types = pmap_create();
if (! intrinsic_fkt)
- intrinsic_fkt = new_set(cmp_op_mode, iro_MaxOpcode);
+ intrinsic_fkt = new_set(cmp_op_mode, iro_Last + 1);
if (! conv_types)
conv_types = new_set(cmp_conv_tp, 16);
if (! lowered_type)
lowered_type = pmap_create();
- /* create a primitive unsigned and signed type */
+ /* create a primitive unsigned and signed type */
if (! tp_u)
tp_u = get_primitive_type(param->low_unsigned);
if (! tp_s)
tp_s = get_primitive_type(param->low_signed);
- /* create method types for the created binop calls */
+ /* create method types for the created binop calls */
if (! binop_tp_u) {
- binop_tp_u = new_type_method(IDENT("binop_u_intrinsic"), 4, 2);
+ binop_tp_u = new_type_method(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_u, 1, tp_u);
} /* if */
if (! binop_tp_s) {
- binop_tp_s = new_type_method(IDENT("binop_s_intrinsic"), 4, 2);
- set_method_param_type(binop_tp_s, 0, tp_s);
+ binop_tp_s = new_type_method(4, 2);
+ set_method_param_type(binop_tp_s, 0, tp_u);
set_method_param_type(binop_tp_s, 1, tp_s);
- set_method_param_type(binop_tp_s, 2, tp_s);
+ set_method_param_type(binop_tp_s, 2, tp_u);
set_method_param_type(binop_tp_s, 3, tp_s);
- set_method_res_type(binop_tp_s, 0, tp_s);
+ set_method_res_type(binop_tp_s, 0, tp_u);
set_method_res_type(binop_tp_s, 1, tp_s);
} /* if */
if (! shiftop_tp_u) {
- shiftop_tp_u = new_type_method(IDENT("shiftop_u_intrinsic"), 3, 2);
+ shiftop_tp_u = new_type_method(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, 1, tp_u);
} /* if */
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);
+ shiftop_tp_s = new_type_method(3, 2);
+ set_method_param_type(shiftop_tp_s, 0, tp_u);
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, 0, tp_u);
set_method_res_type(shiftop_tp_s, 1, tp_s);
} /* if */
if (! unop_tp_u) {
- unop_tp_u = new_type_method(IDENT("unop_u_intrinsic"), 2, 2);
+ unop_tp_u = new_type_method(2, 2);
set_method_param_type(unop_tp_u, 0, tp_u);
set_method_param_type(unop_tp_u, 1, tp_u);
set_method_res_type(unop_tp_u, 0, tp_u);
set_method_res_type(unop_tp_u, 1, tp_u);
} /* if */
if (! unop_tp_s) {
- unop_tp_s = new_type_method(IDENT("unop_s_intrinsic"), 2, 2);
- set_method_param_type(unop_tp_s, 0, tp_s);
+ unop_tp_s = new_type_method(2, 2);
+ set_method_param_type(unop_tp_s, 0, tp_u);
set_method_param_type(unop_tp_s, 1, tp_s);
- set_method_res_type(unop_tp_s, 0, tp_s);
+ set_method_res_type(unop_tp_s, 0, tp_u);
set_method_res_type(unop_tp_s, 1, tp_s);
} /* if */
- 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.tv_mode_bytes = new_tarval_from_long(get_mode_size_bytes(param->low_unsigned), param->low_unsigned);
+ lenv.tv_mode_bits = new_tarval_from_long(get_mode_size_bits(param->low_unsigned), param->low_unsigned);
lenv.waitq = new_pdeq();
lenv.params = param;
+ lenv.first_id = new_id_from_chars(param->little_endian ? ".l" : ".h", 2);
+ lenv.next_id = new_id_from_chars(param->little_endian ? ".h" : ".l", 2);
/* first clear the generic function pointer for all ops */
clear_irp_opcodes_generic_func();
-#define LOWER2(op, fkt) op_##op->ops.generic = (op_func)fkt
+#define LOWER2(op, fkt) enter_lower_func(op_##op, fkt)
#define LOWER(op) LOWER2(op, lower_##op)
#define LOWER_BIN(op) LOWER2(op, lower_Binop)
#define LOWER_UN(op) LOWER2(op, lower_Unop)
/* the table of all operations that must be lowered follows */
+ LOWER(ASM);
LOWER(Load);
LOWER(Store);
LOWER(Const);
LOWER(Call);
LOWER(Unknown);
LOWER(Phi);
- LOWER(Psi);
+ LOWER(Mux);
LOWER(Start);
LOWER_BIN(Add);
LOWER(Shl);
LOWER(Shr);
LOWER(Shrs);
- LOWER(Rot);
- LOWER2(Minus, lower_Minus);
+ LOWER(Rotl);
LOWER(DivMod);
LOWER(Div);
LOWER(Mod);
+ LOWER(Sel);
LOWER_UN(Abs);
- LOWER2(Proj, lower_Proj);
+ LOWER_UN(Minus);
LOWER(Conv);
/* transform all graphs */
rem = current_ir_graph;
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- ir_graph *irg = get_irp_irg(i);
+ ir_graph *irg = get_irp_irg(i);
+ ir_entity *ent;
+ ir_type *mtp;
int n_idx;
obstack_init(&lenv.obst);
n_idx = get_irg_last_idx(irg);
+ n_idx = n_idx + (n_idx >> 2); /* add 25% */
lenv.n_entries = n_idx;
- lenv.entries = xmalloc(n_idx * sizeof(lenv.entries[0]));
+ lenv.entries = NEW_ARR_F(node_entry_t *, n_idx);
memset(lenv.entries, 0, n_idx * sizeof(lenv.entries[0]));
- /* first step: link all nodes and allocate data */
- lenv.flags = 0;
+ lenv.l_mtp = NULL;
+ lenv.flags = 0;
lenv.proj_2_block = pmap_create();
- irg_walk_graph(irg, firm_clear_link, prepare_links, &lenv);
+ lenv.value_param_tp = NULL;
+ ir_reserve_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
+
+ ent = get_irg_entity(irg);
+ mtp = get_entity_type(ent);
+
+ if (mtp_must_to_lowered(mtp, &lenv)) {
+ ir_type *ltp = lower_mtp(mtp, &lenv);
+ lenv.flags |= MUST_BE_LOWERED;
+ set_entity_type(ent, ltp);
+ lenv.l_mtp = ltp;
+ lenv.value_param_tp = get_method_value_param_type(mtp);
+ } /* if */
+
+ /* first step: link all nodes and allocate data */
+ irg_walk_graph(irg, firm_clear_node_and_phi_links, prepare_links_and_handle_rotl, &lenv);
if (lenv.flags & MUST_BE_LOWERED) {
DB((dbg, LEVEL_1, "Lowering graph %+F\n", irg));
lower_ops(node, &lenv);
} /* while */
+ ir_free_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
+
/* outs are invalid, we changed the graph */
set_irg_outs_inconsistent(irg);
set_irg_extblk_inconsistent(irg);
set_irg_loopinfo_inconsistent(irg);
} /* if */
-
- dump_ir_block_graph(irg, "-dw");
+ } else {
+ ir_free_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
} /* if */
pmap_destroy(lenv.proj_2_block);
- free(lenv.entries);
+ DEL_ARR_F(lenv.entries);
obstack_free(&lenv.obst, NULL);
} /* for */
del_pdeq(lenv.waitq);
current_ir_graph = rem;
} /* lower_dw_ops */
+struct pass_t {
+ ir_prog_pass_t pass;
+ const lwrdw_param_t *param;
+};
+
+/**
+ * Creates a wrapper around lower_dw_ops().
+ */
+static int pass_wrapper(ir_prog *irp, void *context)
+{
+ struct pass_t *pass = context;
+
+ (void)irp;
+ lower_dw_ops(pass->param);
+ return 0;
+}
+
+ir_prog_pass_t *lower_dw_ops_pass(const char *name, const lwrdw_param_t *param)
+{
+ struct pass_t *pass = XMALLOCZ(struct pass_t);
+
+ pass->param = param;
+ return def_prog_pass_constructor(
+ &pass->pass, name ? name : "lower_dw", pass_wrapper);
+} /* lower_dw_ops_pass */
+
/* Default implementation. */
-entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op,
- const ir_mode *imode, const ir_mode *omode,
- void *context)
+ir_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;
+ ir_entity *ent;
+ (void) context;
if (imode == omode) {
snprintf(buf, sizeof(buf), "__l%s%s", get_op_name(op), get_mode_name(imode));
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;
} /* def_create_intrinsic_fkt */