/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
/**
* @file
- * @brief Lower Double word operations, ie 64bit -> 32bit, 32bit -> 16bit etc.
+ * @brief Lower double word operations, i.e. 64bit -> 32bit, 32bit -> 16bit etc.
* @date 8.10.2004
* @author Michael Beck
* @version $Id$
#include <string.h>
#include <stdlib.h>
+#include <stdbool.h>
#include <assert.h>
#include "error.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;
+typedef struct lower_env_t lower_env_t;
+
+/**
+ * The type of a lower function.
+ *
+ * @param node the node to be lowered
+ * @param env the lower environment
+ */
+typedef void (*lower_func)(ir_node *node, ir_mode *mode, lower_env_t *env);
/** A map from (op, imode, omode) to Intrinsic functions entities. */
static set *intrinsic_fkt;
/**
* An entry in the (op, imode, omode) -> entity map.
*/
-typedef struct _op_mode_entry {
+typedef struct op_mode_entry {
const ir_op *op; /**< the op */
const ir_mode *imode; /**< the input mode */
const ir_mode *omode; /**< the output mode */
/**
* An entry in the (imode, omode) -> tp map.
*/
-typedef struct _conv_tp_entry {
+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 */
* Every double word node will be replaced,
* we need some store to hold the replacement:
*/
-typedef struct _node_entry_t {
+typedef struct node_entry_t {
ir_node *low_word; /**< the low word */
ir_node *high_word; /**< the high word */
} node_entry_t;
/**
* The lower environment.
*/
-typedef struct _lower_env_t {
+struct lower_env_t {
node_entry_t **entries; /**< entries per node */
+ ir_graph *irg;
struct obstack obst; /**< an obstack holding the temporary data */
- 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 */
+ ir_type *l_mtp; /**< lowered method type of the current method */
+ ir_tarval *tv_mode_bytes; /**< a tarval containing the number of bytes in the lowered modes */
+ ir_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 */
+ ir_node **lowered_phis; /**< list of lowered phis */
+ pmap *proj_2_block; /**< a map from ProjX to its destination blocks */
+ ir_mode *high_signed; /**< doubleword signed type */
+ ir_mode *high_unsigned; /**< doubleword unsigned type */
+ ir_mode *low_signed; /**< word signed type */
+ ir_mode *low_unsigned; /**< word unsigned type */
+ 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 */
-} 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);
+ unsigned n_entries; /**< number of entries */
+ ir_type *value_param_tp; /**< the old value param type */
+};
- pmap_insert(prim_types, mode, tp);
- return tp;
-} /* get_primitive_type */
+static void lower_node(lower_env_t *env, ir_node *node);
+static bool mtp_must_be_lowered(lower_env_t *env, ir_type *mtp);
/**
* 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;
key.omode = omode;
key.mtd = NULL;
- entry = set_insert(conv_types, &key, sizeof(key), HASH_PTR(imode) ^ HASH_PTR(omode));
+ entry = (conv_tp_entry_t*)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)
+ if (imode == env->high_signed || imode == env->high_unsigned)
n_param = 2;
- if (omode == env->params->high_signed || omode == env->params->high_unsigned)
+ if (omode == env->high_signed || omode == env->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);
+ mtd = new_type_method(n_param, n_res);
/* set param types and result types */
n_param = 0;
- if (imode == env->params->high_signed) {
+ if (imode == env->high_signed) {
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) {
+ } else if (imode == env->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);
+ ir_type *tp = get_type_for_mode(imode);
set_method_param_type(mtd, n_param++, tp);
- } /* if */
+ }
n_res = 0;
- if (omode == env->params->high_signed) {
+ if (omode == env->high_signed) {
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) {
+ } else if (omode == env->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);
+ ir_type *tp = get_type_for_mode(omode);
set_method_res_type(mtd, n_res++, tp);
- } /* if */
+ }
entry->mtd = mtd;
} else {
mtd = entry->mtd;
- } /* if */
+ }
return mtd;
-} /* get_conv_type */
+}
/**
* Add an additional control flow input to a block.
in[i] = get_irn_n(phi, i);
in[i] = in[nr];
set_irn_in(phi, i + 1, in);
- } /* for */
-} /* add_block_cf_input_nr */
+ }
+}
/**
* Add an additional control flow input to a block.
if (get_irn_n(block, i) == tmpl) {
nr = i;
break;
- } /* if */
- } /* for */
+ }
+ }
assert(i < arity);
add_block_cf_input_nr(block, nr, cf);
-} /* add_block_cf_input */
+}
/**
* Return the "operational" mode of a Firm node.
return get_Load_mode(node);
case iro_Store:
return get_irn_mode(get_Store_value(node));
- case iro_DivMod:
- return get_irn_mode(get_DivMod_left(node));
case iro_Div:
return get_irn_mode(get_Div_left(node));
case iro_Mod:
return get_irn_mode(get_Cmp_left(node));
default:
return get_irn_mode(node);
- } /* switch */
-} /* get_irn_op_mode */
+ }
+}
/**
- * Walker, prepare the node links.
+ * Walker, prepare the node links and determine which nodes need to be lowered
+ * at all.
*/
-static void prepare_links(ir_node *node, void *env)
+static void prepare_links(lower_env_t *env, ir_node *node)
{
- lower_env_t *lenv = env;
ir_mode *mode = get_irn_op_mode(node);
node_entry_t *link;
- int i, idx;
+ int i;
- if (mode == lenv->params->high_signed ||
- mode == lenv->params->high_unsigned) {
+ if (mode == env->high_signed || mode == env->high_unsigned) {
+ unsigned idx = get_irn_idx(node);
/* ok, found a node that will be lowered */
- link = obstack_alloc(&lenv->obst, sizeof(*link));
-
- memset(link, 0, sizeof(*link));
+ link = OALLOCZ(&env->obst, node_entry_t);
- idx = get_irn_idx(node);
- if (idx >= lenv->n_entries) {
+ if (idx >= env->n_entries) {
/* enlarge: this happens only for Rotl nodes which is RARELY */
- int old = lenv->n_entries;
- int n_idx = idx + (idx >> 3);
+ unsigned old = env->n_entries;
+ unsigned 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;
+ ARR_RESIZE(node_entry_t *, env->entries, n_idx);
+ memset(&env->entries[old], 0, (n_idx - old) * sizeof(env->entries[0]));
+ env->n_entries = n_idx;
}
- lenv->entries[idx] = link;
- lenv->flags |= MUST_BE_LOWERED;
+ env->entries[idx] = link;
+ env->flags |= MUST_BE_LOWERED;
} else if (is_Conv(node)) {
/* Conv nodes have two modes */
ir_node *pred = get_Conv_op(node);
mode = get_irn_mode(pred);
- if (mode == lenv->params->high_signed ||
- mode == lenv->params->high_unsigned) {
+ if (mode == env->high_signed || mode == env->high_unsigned) {
/* must lower this node either but don't need a link */
- lenv->flags |= MUST_BE_LOWERED;
- } /* if */
+ env->flags |= MUST_BE_LOWERED;
+ }
return;
- } /* if */
+ }
if (is_Proj(node)) {
/* link all Proj nodes to its predecessor:
ir_node *pred = get_Block_cfgpred(node, i);
if (is_Proj(pred))
- pmap_insert(lenv->proj_2_block, pred, node);
- } /* for */
- } /* if */
-} /* prepare_links */
+ pmap_insert(env->proj_2_block, pred, node);
+ }
+ }
+}
+
+static node_entry_t *get_node_entry(lower_env_t *env, ir_node *node)
+{
+ unsigned idx = get_irn_idx(node);
+ assert(idx < env->n_entries);
+ return env->entries[idx];
+}
+
+static void set_lowered(lower_env_t *env, ir_node *old,
+ ir_node *new_low, ir_node *new_high)
+{
+ node_entry_t *entry = get_node_entry(env, old);
+ entry->low_word = new_low;
+ entry->high_word = new_high;
+}
/**
* Translate a Constant: create two.
*/
-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);
- 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, 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, tv_h);
-
- idx = get_irn_idx(node);
- assert(idx < env->n_entries);
- env->entries[idx]->low_word = low;
- env->entries[idx]->high_word = high;
-} /* lower_Const */
+static void lower_Const(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_graph *irg = get_irn_irg(node);
+ dbg_info *dbg = get_irn_dbg_info(node);
+ ir_mode *low_mode = env->low_unsigned;
+ ir_tarval *tv = get_Const_tarval(node);
+ ir_tarval *tv_l = tarval_convert_to(tv, low_mode);
+ ir_node *res_low = new_rd_Const(dbg, irg, tv_l);
+ ir_tarval *tv_shrs = tarval_shrs(tv, env->tv_mode_bits);
+ ir_tarval *tv_h = tarval_convert_to(tv_shrs, mode);
+ ir_node *res_high = new_rd_Const(dbg, irg, tv_h);
+
+ set_lowered(env, node, res_low, res_high);
+}
/**
* Translate a Load: create two.
*/
-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;
+static void lower_Load(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_mode *low_mode = env->low_unsigned;
+ ir_graph *irg = get_irn_irg(node);
+ 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);
+ ir_cons_flags volatility = get_Load_volatility(node) == volatility_is_volatile
+ ? cons_volatile : cons_none;
if (env->params->little_endian) {
low = adr;
- high = new_r_Add(irg, block, adr,
- new_r_Const(irg, 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, 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, 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));
-
- idx = get_irn_idx(node);
- assert(idx < env->n_entries);
- env->entries[idx]->low_word = low;
- env->entries[idx]->high_word = high;
+ 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);
- for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
- idx = get_irn_idx(proj);
+ set_lowered(env, node, low, high);
+ for (proj = (ir_node*)get_irn_link(node); proj;
+ proj = (ir_node*)get_irn_link(proj)) {
switch (get_Proj_proj(proj)) {
case pn_Load_M: /* Memory result. */
/* put it to the second one */
/* put it to the first one */
set_Proj_pred(proj, low);
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, low_mode, pn_Load_res);
- env->entries[idx]->high_word = new_r_Proj(irg, block, high, mode, pn_Load_res);
+ case pn_Load_res: { /* Result of load operation. */
+ ir_node *res_low = new_r_Proj(low, low_mode, pn_Load_res);
+ ir_node *res_high = new_r_Proj(high, mode, pn_Load_res);
+ set_lowered(env, proj, res_low, res_high);
break;
+ }
default:
assert(0 && "unexpected Proj number");
- } /* switch */
- /* mark this proj: we have handled it already, otherwise we might fall into
- * out new nodes. */
+ }
+ /* mark this proj: we have handled it already, otherwise we might fall
+ * into out new nodes. */
mark_irn_visited(proj);
- } /* for */
-} /* lower_Load */
+ }
+}
/**
* 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;
- node_entry_t *entry;
- (void) node;
+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, *proj;
+ dbg_info *dbg;
+ ir_node *value = get_Store_value(node);
+ const node_entry_t *entry = get_node_entry(env, value);
+ ir_cons_flags volatility = get_Store_volatility(node) == volatility_is_volatile
+ ? cons_volatile : cons_none;
(void) mode;
- irn = get_Store_value(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 */
+ }
- irg = current_ir_graph;
+ irg = get_irn_irg(node);
adr = get_Store_ptr(node);
mem = get_Store_mem(node);
block = get_nodes_block(node);
if (env->params->little_endian) {
low = adr;
- high = new_r_Add(irg, block, adr,
- new_r_Const(irg, 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, 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));
-
- idx = get_irn_idx(node);
- assert(idx < env->n_entries);
- env->entries[idx]->low_word = low;
- env->entries[idx]->high_word = high;
+ 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);
- for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
- idx = get_irn_idx(proj);
+ set_lowered(env, node, low, high);
+ for (proj = (ir_node*)get_irn_link(node); proj;
+ proj = (ir_node*)get_irn_link(proj)) {
switch (get_Proj_proj(proj)) {
case pn_Store_M: /* Memory result. */
/* put it to the second one */
break;
default:
assert(0 && "unexpected Proj number");
- } /* switch */
+ }
/* mark this proj: we have handled it already, otherwise we might fall into
* out new nodes. */
mark_irn_visited(proj);
- } /* for */
-} /* lower_Store */
+ }
+}
/**
* Return a node containing the address of the intrinsic 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 *imode, ir_mode *omode,
- ir_node *block, lower_env_t *env) {
+ lower_env_t *env)
+{
symconst_symbol sym;
ir_entity *ent;
op_mode_entry_t key, *entry;
key.omode = omode;
key.ent = NULL;
- entry = set_insert(intrinsic_fkt, &key, sizeof(key),
+ entry = (op_mode_entry_t*)set_insert(intrinsic_fkt, &key, sizeof(key),
HASH_PTR(op) ^ HASH_PTR(imode) ^ (HASH_PTR(omode) << 8));
if (! entry->ent) {
/* create a new one */
entry->ent = ent;
} else {
ent = entry->ent;
- } /* if */
+ }
sym.entity_p = ent;
- return new_r_SymConst(current_ir_graph, block, mode_P_code, sym, symconst_addr_ent);
-} /* get_intrinsic_address */
+ return new_r_SymConst(env->irg, mode_P_code, sym, symconst_addr_ent);
+}
/**
* Translate a Div.
*
* Create an intrinsic Call.
*/
-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);
- entry = env->entries[get_irn_idx(irn)];
- assert(entry);
-
- if (! entry->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
-
- in[0] = entry->low_word;
- in[1] = entry->high_word;
-
- irn = get_Div_right(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 */
-
- in[2] = entry->low_word;
- in[3] = entry->high_word;
-
- dbg = get_irn_dbg_info(node);
- block = get_nodes_block(node);
- irg = current_ir_graph;
+static void lower_Div(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_node *left = get_Div_left(node);
+ ir_node *right = get_Div_right(node);
+ const node_entry_t *left_entry = get_node_entry(env, left);
+ const node_entry_t *right_entry = get_node_entry(env, right);
+ ir_node *block = get_nodes_block(node);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_type *mtp
+ = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
+ ir_mode *opmode = get_irn_op_mode(node);
+ ir_node *addr
+ = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, env);
+ ir_node *in[4] = {
+ left_entry->low_word, left_entry->high_word,
+ right_entry->low_word, right_entry->high_word };
+ ir_node *call
+ = new_rd_Call(dbgi, block, get_Div_mem(node), addr, 4, in, mtp);
+ ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
+ ir_node *proj;
- 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);
set_irn_pinned(call, get_irn_pinned(node));
- irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
- for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
+ for (proj = (ir_node*)get_irn_link(node); proj;
+ proj = (ir_node*)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 */
set_Proj_pred(proj, call);
set_Proj_proj(proj, pn_Call_X_except);
break;
- 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, env->params->low_unsigned, 0);
- env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, irn, mode, 1);
+ case pn_Div_res: {
+ /* Result of computation. */
+ ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
+ ir_node *res_high = new_r_Proj(resproj, mode, 1);
+ set_lowered(env, proj, res_low, res_high);
break;
+ }
default:
assert(0 && "unexpected Proj number");
- } /* switch */
+ }
/* mark this proj: we have handled it already, otherwise we might fall into
* out new nodes. */
mark_irn_visited(proj);
- } /* for */
-} /* lower_Div */
+ }
+}
/**
* Translate a Mod.
*
* Create an intrinsic Call.
*/
-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);
- entry = env->entries[get_irn_idx(irn)];
- assert(entry);
-
- if (! entry->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
-
- in[0] = entry->low_word;
- in[1] = entry->high_word;
-
- irn = get_Mod_right(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 */
-
- in[2] = entry->low_word;
- in[3] = entry->high_word;
-
- 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);
+static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_node *left = get_Mod_left(node);
+ ir_node *right = get_Mod_right(node);
+ const node_entry_t *left_entry = get_node_entry(env, left);
+ const node_entry_t *right_entry = get_node_entry(env, right);
+ ir_node *in[4] = {
+ left_entry->low_word, left_entry->high_word,
+ right_entry->low_word, right_entry->high_word
+ };
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_nodes_block(node);
+ ir_type *mtp
+ = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
+ ir_mode *opmode = get_irn_op_mode(node);
+ ir_node *addr
+ = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, env);
+ ir_node *call
+ = new_rd_Call(dbgi, block, get_Mod_mem(node), addr, 4, in, mtp);
+ ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
+ ir_node *proj;
set_irn_pinned(call, get_irn_pinned(node));
- irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
- for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
+ for (proj = (ir_node*)get_irn_link(node); proj;
+ proj = (ir_node*)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 */
set_Proj_pred(proj, call);
set_Proj_proj(proj, pn_Call_X_except);
break;
- 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, env->params->low_unsigned, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
- break;
- default:
- assert(0 && "unexpected Proj number");
- } /* switch */
- /* mark this proj: we have handled it already, otherwise we might fall into
- * out new nodes. */
- mark_irn_visited(proj);
- } /* for */
-} /* lower_Mod */
-
-/**
- * Translate a DivMod.
- *
- * 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;
- ir_node *resDiv = NULL;
- ir_node *resMod = NULL;
- ir_node *in[4];
- ir_mode *opmode;
- dbg_info *dbg;
- ir_type *mtp;
- 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)) {
- switch (get_Proj_proj(proj)) {
- case pn_DivMod_res_div: flags |= 1; break;
- case pn_DivMod_res_mod: flags |= 2; break;
- default: break;
- } /* switch */
- } /* for */
-
- irn = get_DivMod_left(node);
- entry = env->entries[get_irn_idx(irn)];
- assert(entry);
-
- if (! entry->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
-
- in[0] = entry->low_word;
- in[1] = entry->high_word;
-
- irn = get_DivMod_right(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 */
-
- in[2] = entry->low_word;
- in[3] = entry->high_word;
-
- dbg = get_irn_dbg_info(node);
- block = get_nodes_block(node);
- irg = current_ir_graph;
-
- mem = get_DivMod_mem(node);
-
- callDiv = callMod = NULL;
- 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);
- set_irn_pinned(callDiv, get_irn_pinned(node));
- resDiv = new_r_Proj(irg, block, 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);
- 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);
- set_irn_pinned(callMod, get_irn_pinned(node));
- resMod = new_r_Proj(irg, block, callMod, mode_T, pn_Call_T_result);
- } /* if */
-
- for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
- switch (get_Proj_proj(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);
- break;
- case pn_DivMod_X_except: /* Execution result if exception occurred. */
- /* reroute to the first call */
- set_Proj_pred(proj, callDiv ? callDiv : (callMod ? callMod : mem));
- set_Proj_proj(proj, pn_Call_X_except);
- break;
- 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, env->params->low_unsigned, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, 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, env->params->low_unsigned, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, resMod, mode, 1);
+ case pn_Mod_res: {
+ /* Result of computation. */
+ ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
+ ir_node *res_high = new_r_Proj(resproj, mode, 1);
+ set_lowered(env, proj, res_low, res_high);
break;
+ }
default:
assert(0 && "unexpected Proj number");
- } /* switch */
- /* mark this proj: we have handled it already, otherwise we might fall into
- * out new nodes. */
+ }
+ /* mark this proj: we have handled it already, otherwise we might fall
+ * into out new nodes. */
mark_irn_visited(proj);
- } /* for */
-} /* lower_DivMod */
+ }
+}
/**
- * Translate a Binop.
+ * Translate a binop.
*
* Create an intrinsic Call.
*/
-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;
- ir_type *mtp;
- int idx;
- ir_graph *irg;
- node_entry_t *entry;
-
- irn = get_binop_left(node);
- entry = env->entries[get_irn_idx(irn)];
- assert(entry);
-
- if (! entry->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
-
- in[0] = entry->low_word;
- in[1] = entry->high_word;
-
- irn = get_binop_right(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 */
-
- in[2] = entry->low_word;
- in[3] = entry->high_word;
-
- 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;
- 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, 4, in, mtp);
- set_irn_pinned(irn, get_irn_pinned(node));
- irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result);
-
- idx = get_irn_idx(node);
- assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_r_Proj(irg, block, irn, env->params->low_unsigned, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
-} /* lower_Binop */
+static void lower_binop(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_node *left = get_binop_left(node);
+ ir_node *right = get_binop_right(node);
+ const node_entry_t *left_entry = get_node_entry(env, left);
+ const node_entry_t *right_entry = get_node_entry(env, right);
+ ir_node *in[4] = {
+ left_entry->low_word, left_entry->high_word,
+ right_entry->low_word, right_entry->high_word
+ };
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_nodes_block(node);
+ ir_graph *irg = get_irn_irg(block);
+ ir_type *mtp
+ = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
+ ir_node *addr
+ = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
+ ir_node *call
+ = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 4, in, mtp);
+ ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
+ ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
+ ir_node *res_high = new_r_Proj(resproj, mode, 1);
+ set_irn_pinned(call, get_irn_pinned(node));
+ set_lowered(env, node, res_low, res_high);
+}
/**
* Translate a Shiftop.
*
* Create an intrinsic Call.
*/
-static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_node *block, *irn;
- ir_node *in[3];
- dbg_info *dbg;
- ir_type *mtp;
- int idx;
- ir_graph *irg;
- node_entry_t *entry;
-
- irn = get_binop_left(node);
- entry = env->entries[get_irn_idx(irn)];
- assert(entry);
-
- if (! entry->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
-
- in[0] = entry->low_word;
- in[1] = entry->high_word;
-
- /* The shift count is always mode_Iu in firm, so there is no need for lowering */
- in[2] = get_binop_right(node);
-
- dbg = get_irn_dbg_info(node);
- block = get_nodes_block(node);
- 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, 3, in, mtp);
- set_irn_pinned(irn, get_irn_pinned(node));
- irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result);
+static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_node *block = get_nodes_block(node);
+ ir_node *left = get_binop_left(node);
+ const node_entry_t *left_entry = get_node_entry(env, left);
+ ir_node *right = get_binop_right(node);
+ ir_node *in[3] = {
+ left_entry->low_word, left_entry->high_word,
+ /* it should be safe to conv to low_unsigned */
+ new_r_Conv(block, right, env->low_unsigned)
+ };
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_graph *irg = get_irn_irg(block);
+ ir_type *mtp
+ = mode_is_signed(mode) ? shiftop_tp_s : shiftop_tp_u;
+ ir_node *addr
+ = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
+ ir_node *call
+ = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 3, in, mtp);
+ ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
+ ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
+ ir_node *res_high = new_r_Proj(resproj, mode, 1);
- idx = get_irn_idx(node);
- assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_r_Proj(irg, block, irn, env->params->low_unsigned, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
-} /* lower_Shiftop */
+ set_irn_pinned(call, get_irn_pinned(node));
+ set_lowered(env, node, res_low, res_high);
+}
/**
* 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_graph *irg = get_irn_irg(node);
ir_node *right = get_Shr_right(node);
- ir_graph *irg = current_ir_graph;
if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
- tarval *tv = get_Const_tarval(right);
+ ir_tarval *tv = get_Const_tarval(right);
if (tarval_is_long(tv) &&
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;
+ ir_node *block = get_nodes_block(node);
+ ir_node *left = get_Shr_left(node);
+ ir_mode *low_unsigned = env->low_unsigned;
long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
- int idx = get_irn_idx(left);
+ const node_entry_t *left_entry = get_node_entry(env, left);
+ ir_node *res_low;
+ ir_node *res_high;
- left = env->entries[idx]->high_word;
- idx = get_irn_idx(node);
+ left = left_entry->high_word;
+
+ /* convert high word into low_unsigned mode if necessary */
+ if (get_irn_mode(left) != low_unsigned)
+ left = new_r_Conv(block, left, low_unsigned);
if (shf_cnt > 0) {
- c = new_r_Const_long(irg, env->params->low_unsigned, shf_cnt);
- env->entries[idx]->low_word = new_r_Shr(irg, block, left, c, mode);
+ ir_node *c = new_r_Const_long(irg, low_unsigned, shf_cnt);
+ res_low = new_r_Shr(block, left, c, low_unsigned);
} else {
- env->entries[idx]->low_word = left;
- } /* if */
- env->entries[idx]->high_word = new_r_Const(irg, get_mode_null(mode));
+ res_low = left;
+ }
+ res_high = new_r_Const(irg, get_mode_null(mode));
+ set_lowered(env, node, res_low, res_high);
return;
- } /* if */
- } /* if */
+ }
+ }
lower_Shiftop(node, mode, env);
-} /* lower_Shr */
+}
/**
* 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_graph *irg = get_irn_irg(node);
ir_node *right = get_Shl_right(node);
- ir_graph *irg = current_ir_graph;
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)) {
- ir_mode *mode_l;
- ir_node *block = get_nodes_block(node);
- ir_node *left = get_Shl_left(node);
- ir_node *c;
- long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
- int idx = get_irn_idx(left);
-
- left = new_r_Conv(irg, block, env->entries[idx]->low_word, mode);
- idx = get_irn_idx(node);
+ ir_tarval *tv = get_Const_tarval(right);
+
+ if (tarval_is_long(tv)) {
+ long value = get_tarval_long(tv);
+ if (value >= (long)get_mode_size_bits(mode)) {
+ /* simple case: shift above the lower word */
+ ir_mode *mode_l;
+ ir_node *block = get_nodes_block(node);
+ ir_node *left = get_Shl_left(node);
+ ir_node *c;
+ long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
+ const node_entry_t *left_entry = get_node_entry(env, left);
+ ir_node *res_low;
+ ir_node *res_high;
+
+ left = left_entry->low_word;
+ left = new_r_Conv(block, left, mode);
+
+ mode_l = env->low_unsigned;
+ if (shf_cnt > 0) {
+ c = new_r_Const_long(irg, mode_l, shf_cnt);
+ res_high = new_r_Shl(block, left, c, mode);
+ } else {
+ res_high = left;
+ }
+ res_low = new_r_Const(irg, get_mode_null(mode_l));
+ set_lowered(env, node, res_low, res_high);
- mode_l = env->params->low_unsigned;
- if (shf_cnt > 0) {
- c = new_r_Const_long(irg, mode_l, shf_cnt);
- env->entries[idx]->high_word = new_r_Shl(irg, block, left, c, mode);
- } else {
- env->entries[idx]->high_word = left;
- } /* if */
- env->entries[idx]->low_word = new_r_Const(irg, get_mode_null(mode_l));
+ return;
+ }
+ if (value == 1) {
+ /* left << 1 == left + left */
+ ir_node *left = get_binop_left(node);
+ const node_entry_t *left_entry = get_node_entry(env, left);
+ ir_node *in[4] = {
+ left_entry->low_word, left_entry->high_word,
+ left_entry->low_word, left_entry->high_word,
+ };
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_nodes_block(node);
+ ir_graph *irg = get_irn_irg(block);
+ ir_type *mtp
+ = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
+ ir_node *addr
+ = get_intrinsic_address(mtp, op_Add, mode, mode, env);
+ ir_node *call
+ = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 4, in, mtp);
+ ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
+ ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
+ ir_node *res_high = new_r_Proj(resproj, mode, 1);
+ set_irn_pinned(call, get_irn_pinned(node));
+ set_lowered(env, node, res_low, res_high);
- return;
- } /* if */
- } /* if */
+ return;
+ }
+ }
+ }
lower_Shiftop(node, mode, env);
-} /* lower_Shl */
+}
/**
* 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_graph *irg = get_irn_irg(node);
ir_node *right = get_Shrs_right(node);
- ir_graph *irg = current_ir_graph;
if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
- tarval *tv = get_Const_tarval(right);
+ ir_tarval *tv = get_Const_tarval(right);
if (tarval_is_long(tv) &&
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 *block = get_nodes_block(node);
+ ir_node *left = get_Shrs_left(node);
+ ir_mode *low_unsigned = env->low_unsigned;
+ long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
+ const node_entry_t *left_entry = get_node_entry(env, left);
+ ir_node *left_unsigned = left;
+ ir_node *res_low;
+ ir_node *res_high;
ir_node *c;
- left = env->entries[idx]->high_word;
- idx = get_irn_idx(node);
+ left = left_entry->high_word;
+
+ /* convert high word into low_unsigned mode if necessary */
+ if (get_irn_mode(left_unsigned) != low_unsigned)
+ left_unsigned = new_r_Conv(block, left, low_unsigned);
- mode_l = env->params->low_unsigned;
if (shf_cnt > 0) {
- c = new_r_Const_long(irg, mode_l, shf_cnt);
- low = new_r_Shrs(irg, block, left, c, mode);
+ c = new_r_Const_long(irg, low_unsigned, shf_cnt);
+ res_low = new_r_Shrs(block, left_unsigned, c, low_unsigned);
} else {
- low = left;
- } /* if */
- /* low word is expected to have mode_l */
- env->entries[idx]->low_word = new_r_Conv(irg, 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(irg, block, left, c, mode);
+ res_low = left_unsigned;
+ }
+ c = new_r_Const(irg, get_mode_all_one(low_unsigned));
+ res_high = new_r_Shrs(block, left, c, mode);
+ set_lowered(env, node, res_low, res_high);
return;
- } /* if */
- } /* if */
+ }
+ }
lower_Shiftop(node, mode, env);
-} /* lower_Shrs */
+}
/**
* Rebuild Rotl nodes into Or(Shl, Shr) and prepare all nodes.
*/
-static void prepare_links_and_handle_rotl(ir_node *node, void *env) {
- lower_env_t *lenv = env;
+static void prepare_links_and_handle_rotl(ir_node *node, void *env)
+{
+ lower_env_t *lenv = (lower_env_t*)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;
- ir_graph *irg;
- dbg_info *dbg;
- optimization_state_t state;
+ ir_mode *mode = get_irn_op_mode(node);
+ ir_node *right;
+ ir_node *left, *shl, *shr, *ornode, *block, *sub, *c;
+ ir_mode *omode, *rmode;
+ ir_graph *irg;
+ 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 (mode != lenv->high_signed && mode != lenv->high_unsigned) {
+ prepare_links(lenv, node);
+ return;
+ }
- 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)) */
+ right = get_Rotl_right(node);
+ irg = get_irn_irg(node);
+ 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_r_Const_long(irg, rmode, get_mode_size_bits(omode));
+ sub = new_rd_Sub(dbg, block, c, right, rmode);
+ shr = new_rd_Shr(dbg, block, left, sub, omode);
+
+ /* switch optimization off here, or we will get the Rotl back */
+ save_optimization_state(&state);
+ set_opt_algebraic_simplification(0);
+ ornode = new_rd_Or(dbg, block, shl, shr, omode);
+ restore_optimization_state(&state);
+
+ exchange(node, ornode);
+
+ /* do lowering on the new nodes */
+ prepare_links(lenv, shl);
+ prepare_links(lenv, c);
+ prepare_links(lenv, sub);
+ prepare_links(lenv, shr);
+ prepare_links(lenv, ornode);
+ 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);
- irg = current_ir_graph;
- block = get_nodes_block(node);
- shl = new_rd_Shl(dbg, irg, block, left, right, omode);
- rmode = get_irn_mode(right);
- c = new_Const_long(rmode, get_mode_size_bits(omode));
- sub = new_rd_Sub(dbg, irg, block, c, right, rmode);
- shr = new_rd_Shr(dbg, irg, 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, irg, 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);
- }
+ prepare_links(lenv, 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;
-} /* lower_Rotl */
-
/**
* Translate an Unop.
*
* Create an intrinsic Call.
*/
-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);
- entry = env->entries[get_irn_idx(irn)];
- assert(entry);
-
- if (! entry->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
-
- in[0] = entry->low_word;
- in[1] = entry->high_word;
-
- 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, 2, in, mtp);
- set_irn_pinned(irn, get_irn_pinned(node));
- irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result);
-
- idx = get_irn_idx(node);
- assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_r_Proj(irg, block, irn, env->params->low_unsigned, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
-} /* lower_Unop */
+static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_node *op = get_unop_op(node);
+ const node_entry_t *op_entry = get_node_entry(env, op);
+ ir_node *in[2] = { op_entry->low_word, op_entry->high_word };
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_nodes_block(node);
+ ir_graph *irg = get_irn_irg(block);
+ ir_type *mtp = mode_is_signed(mode) ? unop_tp_s : unop_tp_u;
+ ir_op *irop = get_irn_op(node);
+ ir_node *addr = get_intrinsic_address(mtp, irop, mode, mode, env);
+ ir_node *nomem = get_irg_no_mem(irg);
+ ir_node *call = new_rd_Call(dbgi, block, nomem, addr, 2, in, mtp);
+ ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
+ ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
+ ir_node *res_high = new_r_Proj(resproj, mode, 1);
+ set_irn_pinned(call, get_irn_pinned(node));
+ set_lowered(env, node, res_low, res_high);
+}
/**
- * Translate a logical Binop.
+ * Translate a logical binop.
*
- * Create two logical Binops.
+ * 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 *block, *irn;
- ir_node *lop_l, *lop_h, *rop_l, *rop_h;
- dbg_info *dbg;
- int idx;
- ir_graph *irg;
- node_entry_t *entry;
-
- irn = get_binop_left(node);
- entry = env->entries[get_irn_idx(irn)];
- assert(entry);
-
- if (! entry->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
-
- lop_l = entry->low_word;
- lop_h = entry->high_word;
-
- irn = get_binop_right(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 */
-
- rop_l = entry->low_word;
- rop_h = entry->high_word;
+static void lower_binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env,
+ ir_node *(*constr_rd)(dbg_info *db, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) )
+{
+ ir_node *left = get_binop_left(node);
+ ir_node *right = get_binop_right(node);
+ const node_entry_t *left_entry = get_node_entry(env, left);
+ const node_entry_t *right_entry = get_node_entry(env, right);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_nodes_block(node);
+ ir_node *res_low
+ = constr_rd(dbgi, block, left_entry->low_word, right_entry->low_word,
+ env->low_unsigned);
+ ir_node *res_high
+ = constr_rd(dbgi, block, left_entry->high_word, right_entry->high_word,
+ mode);
+ set_lowered(env, node, res_low, res_high);
+}
- dbg = get_irn_dbg_info(node);
- block = get_nodes_block(node);
+static void lower_And(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ lower_binop_logical(node, mode, env, new_rd_And);
+}
- 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, env->params->low_unsigned);
- env->entries[idx]->high_word = constr_rd(dbg, irg, block, lop_h, rop_h, mode);
-} /* lower_Binop_logical */
-
-/** 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); \
+static void lower_Or(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ lower_binop_logical(node, mode, env, new_rd_Or);
}
-lower_logical(And)
-lower_logical(Or)
-lower_logical(Eor)
+static void lower_Eor(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ lower_binop_logical(node, mode, env, new_rd_Eor);
+}
/**
* Translate a Not.
*
* Create two logical Nots.
*/
-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);
- 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;
+static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_node *op = get_Not_op(node);
+ const node_entry_t *op_entry = get_node_entry(env, op);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_nodes_block(node);
+ ir_node *res_low
+ = new_rd_Not(dbgi, block, op_entry->low_word, env->low_unsigned);
+ ir_node *res_high
+ = new_rd_Not(dbgi, block, op_entry->high_word, mode);
+ set_lowered(env, node, res_low, res_high);
+}
- 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, env->params->low_unsigned);
- env->entries[idx]->high_word = new_rd_Not(dbg, current_ir_graph, block, op_h, mode);
-} /* lower_Not */
+static bool is_equality_cmp_0(const ir_node *node)
+{
+ ir_relation relation = get_Cmp_relation(node);
+ ir_node *left = get_Cmp_left(node);
+ ir_node *right = get_Cmp_right(node);
+ ir_mode *mode = get_irn_mode(left);
+
+ /* this probably makes no sense if unordered is involved */
+ assert(!mode_is_float(mode));
+
+ if (!is_Const(right) || !is_Const_null(right))
+ return false;
+ if (relation == ir_relation_equal)
+ return true;
+ if (mode_is_signed(mode)) {
+ return relation == ir_relation_less_greater;
+ } else {
+ return relation == ir_relation_greater;
+ }
+}
/**
* Translate a Cond.
*/
-static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_node *cmp, *left, *right, *block;
+static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_node *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 *proj, *projT = NULL, *projF = NULL;
- ir_node *new_bl, *cmpH, *cmpL, *irn;
- ir_node *projHF, *projHT;
- ir_node *dst_blk;
- ir_graph *irg;
- pn_Cmp pnc;
- dbg_info *dbg;
-
- if(!is_Proj(sel))
- return;
+ ir_mode *cmp_mode;
+ const node_entry_t *lentry, *rentry;
+ ir_node *proj, *projT = NULL, *projF = NULL;
+ ir_node *new_bl, *irn;
+ ir_node *projHF, *projHT;
+ ir_node *dst_blk;
+ ir_relation relation;
+ ir_graph *irg;
+ dbg_info *dbg;
- cmp = get_Proj_pred(sel);
- if(!is_Cmp(cmp))
- return;
+ (void) mode;
- left = get_Cmp_left(cmp);
- idx = get_irn_idx(left);
- lentry = env->entries[idx];
+ if (m != mode_b) {
+ if (m == env->high_signed || m == env->high_unsigned) {
+ /* bad we can't really handle Switch with 64bit offsets */
+ panic("Cond with 64bit jumptable not supported");
+ }
+ lower_node(env, sel);
+ return;
+ }
- if (! lentry) {
- /* a normal Cmp */
- return;
- } /* if */
+ if (!is_Cmp(sel)) {
+ lower_node(env, sel);
+ return;
+ }
- right = get_Cmp_right(cmp);
- idx = get_irn_idx(right);
- rentry = env->entries[idx];
- assert(rentry);
+ left = get_Cmp_left(sel);
+ cmp_mode = get_irn_mode(left);
+ if (cmp_mode != env->high_signed && cmp_mode != env->high_unsigned) {
+ lower_node(env, sel);
+ return;
+ }
- if (! lentry->low_word || !rentry->low_word) {
- /* not yet ready */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
+ right = get_Cmp_right(sel);
+ lower_node(env, left);
+ lower_node(env, right);
+ lentry = get_node_entry(env, left);
+ rentry = get_node_entry(env, right);
- /* all right, build the code */
- for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
- long proj_nr = get_Proj_proj(proj);
+ /* all right, build the code */
+ for (proj = (ir_node*)get_irn_link(node); proj;
+ proj = (ir_node*)get_irn_link(proj)) {
+ long proj_nr = get_Proj_proj(proj);
- if (proj_nr == pn_Cond_true) {
- assert(projT == NULL && "more than one Proj(true)");
- projT = proj;
- } else {
- assert(proj_nr == pn_Cond_false);
- assert(projF == NULL && "more than one Proj(false)");
- projF = proj;
- } /* if */
- mark_irn_visited(proj);
- } /* for */
- assert(projT && projF);
-
- /* create a new high compare */
- block = get_nodes_block(node);
- 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(irg, block, lentry->low_word, mode);
- ir_node *high = new_r_Conv(irg, block, lentry->high_word, mode);
- ir_node *or = new_rd_Or(dbg, irg, block, low, high, mode);
- ir_node *cmp = new_rd_Cmp(dbg, irg, block, or, new_Const_long(mode, 0));
-
- ir_node *proj = new_r_Proj(irg, block, cmp, mode_b, pnc);
- set_Cond_selector(node, proj);
- return;
- }
+ if (proj_nr == pn_Cond_true) {
+ assert(projT == NULL && "more than one Proj(true)");
+ projT = proj;
+ } else {
+ assert(proj_nr == pn_Cond_false);
+ assert(projF == NULL && "more than one Proj(false)");
+ projF = proj;
}
+ mark_irn_visited(proj);
+ }
+ assert(projT && projF);
+
+ /* create a new high compare */
+ block = get_nodes_block(node);
+ irg = get_Block_irg(block);
+ dbg = get_irn_dbg_info(sel);
+ relation = get_Cmp_relation(sel);
+
+ if (is_equality_cmp_0(sel)) {
+ /* x ==/!= 0 ==> or(low,high) ==/!= 0 */
+ ir_mode *mode = env->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 *ornode = new_rd_Or(dbg, block, low, high, mode);
+ ir_node *cmp = new_rd_Cmp(dbg, block, ornode, new_r_Const_long(irg, mode, 0), relation);
+ set_Cond_selector(node, cmp);
+ return;
+ }
- cmpH = new_rd_Cmp(dbg, irg, block, lentry->high_word, rentry->high_word);
-
- 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);
+ if (relation == ir_relation_equal) {
+ /* 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;
+ assert(entry);
+ dst_blk = (ir_node*)entry->value;
- irn = new_r_Proj(irg, block, cmpH, mode_b, pn_Cmp_Eq);
- dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, block, irn);
+ irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
+ ir_relation_equal);
+ dbg = get_irn_dbg_info(node);
+ irn = new_rd_Cond(dbg, block, irn);
- projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false);
- mark_irn_visited(projHF);
- exchange(projF, projHF);
+ 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);
- mark_irn_visited(projHT);
+ projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
+ mark_irn_visited(projHT);
- new_bl = new_r_Block(irg, 1, &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);
- dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, new_bl, irn);
+ dbg = get_irn_dbg_info(sel);
+ irn = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word,
+ ir_relation_equal);
+ dbg = get_irn_dbg_info(node);
+ irn = new_rd_Cond(dbg, new_bl, irn);
- proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_false);
- mark_irn_visited(proj);
- add_block_cf_input(dst_blk, projHF, proj);
+ 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);
- mark_irn_visited(proj);
- exchange(projT, proj);
- } else if (pnc == pn_Cmp_Lg) {
- /* simple case:a != b <==> a_h != b_h || a_l != b_l */
- pmap_entry *entry = pmap_find(env->proj_2_block, projT);
+ proj = new_r_Proj(irn, mode_X, pn_Cond_true);
+ mark_irn_visited(proj);
+ exchange(projT, proj);
+ } else if (relation == ir_relation_less_greater) {
+ /* simple case:a != b <==> a_h != b_h || a_l != b_l */
+ pmap_entry *entry = pmap_find(env->proj_2_block, projT);
- assert(entry);
- dst_blk = entry->value;
+ assert(entry);
+ dst_blk = (ir_node*)entry->value;
- irn = new_r_Proj(irg, block, cmpH, mode_b, pn_Cmp_Lg);
- dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, block, irn);
+ irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
+ ir_relation_less_greater);
+ dbg = get_irn_dbg_info(node);
+ irn = new_rd_Cond(dbg, block, irn);
- projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
- mark_irn_visited(projHT);
- exchange(projT, projHT);
+ 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);
- mark_irn_visited(projHF);
+ projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
+ mark_irn_visited(projHF);
- new_bl = new_r_Block(irg, 1, &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);
- dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, new_bl, irn);
+ dbg = get_irn_dbg_info(sel);
+ irn = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word,
+ ir_relation_less_greater);
+ dbg = get_irn_dbg_info(node);
+ irn = new_rd_Cond(dbg, new_bl, irn);
- proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_true);
- mark_irn_visited(proj);
- add_block_cf_input(dst_blk, projHT, proj);
+ 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);
- mark_irn_visited(proj);
- exchange(projF, proj);
- } else {
- /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
- ir_node *dstT, *dstF, *newbl_eq, *newbl_l;
- pmap_entry *entry;
+ proj = new_r_Proj(irn, mode_X, pn_Cond_false);
+ mark_irn_visited(proj);
+ exchange(projF, proj);
+ } else {
+ /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
+ ir_node *dstT, *dstF, *newbl_eq, *newbl_l;
+ pmap_entry *entry;
- entry = pmap_find(env->proj_2_block, projT);
- assert(entry);
- dstT = entry->value;
+ entry = pmap_find(env->proj_2_block, projT);
+ assert(entry);
+ dstT = (ir_node*)entry->value;
- entry = pmap_find(env->proj_2_block, projF);
- assert(entry);
- dstF = entry->value;
+ entry = pmap_find(env->proj_2_block, projF);
+ assert(entry);
+ dstF = (ir_node*)entry->value;
- irn = new_r_Proj(irg, block, cmpH, mode_b, pnc & ~pn_Cmp_Eq);
- dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, block, irn);
+ irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
+ relation & ~ir_relation_equal);
+ dbg = get_irn_dbg_info(node);
+ irn = new_rd_Cond(dbg, block, irn);
- projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
- mark_irn_visited(projHT);
- exchange(projT, projHT);
- projT = projHT;
+ 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);
- mark_irn_visited(projHF);
+ projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
+ mark_irn_visited(projHF);
- newbl_eq = new_r_Block(irg, 1, &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_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
+ ir_relation_equal);
+ irn = new_rd_Cond(dbg, newbl_eq, irn);
- proj = new_r_Proj(irg, newbl_eq, irn, mode_X, pn_Cond_false);
- mark_irn_visited(proj);
- exchange(projF, proj);
- projF = proj;
+ 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);
- mark_irn_visited(proj);
+ proj = new_r_Proj(irn, mode_X, pn_Cond_true);
+ mark_irn_visited(proj);
- newbl_l = new_r_Block(irg, 1, &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);
- dbg = get_irn_dbg_info(node);
- irn = new_rd_Cond(dbg, irg, newbl_l, irn);
+ dbg = get_irn_dbg_info(sel);
+ irn = new_rd_Cmp(dbg, newbl_l, lentry->low_word, rentry->low_word,
+ relation);
+ dbg = get_irn_dbg_info(node);
+ irn = new_rd_Cond(dbg, newbl_l, irn);
- proj = new_r_Proj(irg, newbl_l, irn, mode_X, pn_Cond_true);
- mark_irn_visited(proj);
- add_block_cf_input(dstT, projT, proj);
+ 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);
- mark_irn_visited(proj);
- add_block_cf_input(dstF, projF, proj);
- } /* if */
+ proj = new_r_Proj(irn, mode_X, pn_Cond_false);
+ mark_irn_visited(proj);
+ add_block_cf_input(dstF, projF, proj);
+ }
- /* we have changed the control flow */
- env->flags |= CF_CHANGED;
- } else {
- idx = get_irn_idx(sel);
-
- if (env->entries[idx]) {
- /*
- Bad, a jump-table with double-word index.
- This should not happen, but if it does we handle
- it like a Conv were between (in other words, ignore
- the high part.
- */
-
- if (! env->entries[idx]->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
- set_Cond_selector(node, env->entries[idx]->low_word);
- } /* if */
- } /* if */
-} /* lower_Cond */
+ /* we have changed the control flow */
+ env->flags |= CF_CHANGED;
+}
/**
* 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_l = env->params->low_unsigned;
- ir_mode *dst_mode_h = 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_l);
- env->entries[idx]->high_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->high_word, dst_mode_h);
- } else {
- /* simple case: create a high word */
- if (imode != dst_mode_l)
- op = new_rd_Conv(dbg, irg, block, op, dst_mode_l);
-
- env->entries[idx]->low_word = op;
-
- if (mode_is_signed(imode)) {
- ir_node *op_conv = new_rd_Conv(dbg, irg, block, op, dst_mode_h);
- env->entries[idx]->high_word = new_rd_Shrs(dbg, irg, block, op_conv,
- new_Const_long(dst_mode_l, get_mode_size_bits(dst_mode_h) - 1), dst_mode_h);
- } else {
- env->entries[idx]->high_word = new_Const(get_mode_null(dst_mode_h));
- } /* if */
- } /* 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_l, 0);
- env->entries[idx]->high_word = new_r_Proj(irg, block, irn, dst_mode_h, 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);
-
- assert(idx < env->n_entries);
+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);
+ ir_graph *irg = get_irn_irg(node);
+ ir_node *block = get_nodes_block(node);
+ dbg_info *dbg = get_irn_dbg_info(node);
+ ir_node *res_low;
+ ir_node *res_high;
+
+ ir_mode *low_unsigned = env->low_unsigned;
+ ir_mode *low_signed
+ = mode_is_signed(omode) ? env->low_signed : low_unsigned;
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 (! 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);
+ if (imode == env->high_signed || imode == env->high_unsigned) {
+ /* a Conv from Lu to Ls or Ls to Lu */
+ const node_entry_t *op_entry = get_node_entry(env, op);
+ res_low = op_entry->low_word;
+ res_high = 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);
+ if (imode != low_unsigned)
+ op = new_rd_Conv(dbg, block, op, low_unsigned);
- env->entries[idx]->low_word = op;
+ res_low = op;
if (mode_is_signed(imode)) {
- env->entries[idx]->high_word = new_rd_Shrs(dbg, irg, block, op,
- new_Const_long(dst_mode, get_mode_size_bits(dst_mode) - 1), dst_mode);
+ int c = get_mode_size_bits(low_signed) - 1;
+ ir_node *cnst = new_r_Const_long(irg, low_unsigned, c);
+ if (get_irn_mode(op) != low_signed)
+ op = new_rd_Conv(dbg, block, op, low_signed);
+ res_high = new_rd_Shrs(dbg, block, op, cnst, low_signed);
} else {
- env->entries[idx]->high_word = new_Const(get_mode_null(dst_mode));
- } /* if */
- } /* if */
+ res_high = new_r_Const(irg, get_mode_null(low_signed));
+ }
+ }
+ } else if (imode == mode_b) {
+ res_low = new_rd_Conv(dbg, block, op, low_unsigned);
+ res_high = new_r_Const(irg, 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);
+ irn = new_r_Proj(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 */
+ res_low = new_r_Proj(irn, low_unsigned, 0);
+ res_high = new_r_Proj(irn, low_signed, 1);
+ }
+ set_lowered(env, node, res_low, res_high);
+}
/**
- * Translate a Conv from higher_signed
+ * Translate a Conv from higher_unsigned
*/
-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);
-
- if (! env->entries[idx]->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
+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);
+ ir_graph *irg = get_irn_irg(node);
+ const node_entry_t *entry = get_node_entry(env, op);
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_signed)
- op = new_rd_Conv(dbg, irg, block, op, omode);
+ if (omode != env->low_unsigned)
+ 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->low_unsigned;
+ ir_node *ornode = new_rd_Or(dbg, block, entry->low_word,
+ entry->high_word, mode);
+ set_Conv_op(node, ornode);
} else {
ir_node *irn, *call, *in[2];
- ir_mode *imode = env->params->high_signed;
- 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_Ls */
+ exchange(node, new_r_Proj(irn, omode, 0));
+ }
+}
/**
- * Translate a Conv from higher_unsigned
+ * lower Cmp
*/
-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;
-
- assert(idx < env->n_entries);
+static void lower_Cmp(ir_node *cmp, ir_mode *m, lower_env_t *env)
+{
+ ir_node *l = get_Cmp_left(cmp);
+ ir_mode *mode = get_irn_mode(l);
+ ir_node *r, *low, *high, *t, *res;
+ ir_relation relation;
+ ir_node *block;
+ dbg_info *dbg;
+ const node_entry_t *lentry;
+ const node_entry_t *rentry;
+ (void) m;
- if (! env->entries[idx]->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
+ if (mode != env->high_signed && mode != env->high_unsigned)
return;
- } /* if */
- 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_unsigned)
- op = new_rd_Conv(dbg, irg, block, op, omode);
+ r = get_Cmp_right(cmp);
+ lentry = get_node_entry(env, l);
+ rentry = get_node_entry(env, r);
+ relation = get_Cmp_relation(cmp);
+ block = get_nodes_block(cmp);
+ dbg = get_irn_dbg_info(cmp);
+
+ /* easy case for x ==/!= 0 (see lower_Cond for details) */
+ if (is_equality_cmp_0(cmp)) {
+ ir_graph *irg = get_irn_irg(cmp);
+ ir_mode *mode = env->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 *ornode = new_rd_Or(dbg, block, low, high, mode);
+ ir_node *new_cmp = new_rd_Cmp(dbg, block, ornode, new_r_Const_long(irg, mode, 0), relation);
+ exchange(cmp, new_cmp);
+ return;
+ }
- set_Conv_op(node, op);
+ if (relation == ir_relation_equal) {
+ /* simple case:a == b <==> a_h == b_h && a_l == b_l */
+ low = new_rd_Cmp(dbg, block, lentry->low_word, rentry->low_word,
+ relation);
+ high = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
+ relation);
+ res = new_rd_And(dbg, block, low, high, mode_b);
+ } else if (relation == ir_relation_less_greater) {
+ /* simple case:a != b <==> a_h != b_h || a_l != b_l */
+ low = new_rd_Cmp(dbg, block, lentry->low_word, rentry->low_word,
+ relation);
+ high = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
+ relation);
+ res = new_rd_Or(dbg, block, low, high, mode_b);
} else {
- 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));
- } /* if */
-} /* lower_Conv_from_Lu */
+ /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
+ ir_node *high1 = new_rd_Cmp(dbg, block, lentry->high_word,
+ rentry->high_word, relation & ~ir_relation_equal);
+ low = new_rd_Cmp(dbg, block, lentry->low_word, rentry->low_word,
+ relation);
+ high = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
+ ir_relation_equal);
+ t = new_rd_And(dbg, block, low, high, mode_b);
+ res = new_rd_Or(dbg, block, high1, t, mode_b);
+ }
+ exchange(cmp, res);
+}
/**
* 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->high_signed || mode == env->high_unsigned) {
+ lower_Conv_to_Ll(node, env);
} else {
- ir_mode *mode = get_irn_mode(get_Conv_op(node));
+ ir_mode *op_mode = get_irn_mode(get_Conv_op(node));
+
+ if (op_mode == env->high_signed || op_mode == env->high_unsigned) {
+ lower_Conv_from_Ll(node, env);
+ }
+ }
+}
+
+/**
+ * Remember the new argument index of this value type entity in the lowered
+ * method type.
+ *
+ * @param ent the entity
+ * @param pos the argument index of this entity
+ */
+static inline void set_entity_arg_idx(ir_entity *ent, size_t pos)
+{
+ set_entity_link(ent, INT_TO_PTR(pos));
+}
- 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 */
+/**
+ * Retrieve the argument index of a value type entity.
+ *
+ * @param ent the entity
+ */
+static size_t get_entity_arg_idx(const ir_entity *ent) {
+ return PTR_TO_INT(get_entity_link(ent));
+}
/**
* Lower the method type.
+ *
+ * @param env the lower environment
+ * @param mtp the method type to lower
+ *
+ * @return the lowered type
*/
-static ir_type *lower_mtp(ir_type *mtp, lower_env_t *env) {
+static ir_type *lower_mtp(lower_env_t *env, ir_type *mtp)
+{
pmap_entry *entry;
- ident *id;
- ir_type *res;
-
- if (is_lowered_type(mtp))
- return mtp;
+ ir_type *res, *value_type;
entry = pmap_find(lowered_type, mtp);
if (! entry) {
- int i, n, r, n_param, n_res;
+ size_t i, orig_n_params, orig_n_res, n_param, n_res;
/* count new number of params */
- n_param = n = get_method_n_params(mtp);
- for (i = n_param - 1; i >= 0; --i) {
- ir_type *tp = get_method_param_type(mtp, i);
+ n_param = orig_n_params = get_method_n_params(mtp);
+ for (i = orig_n_params; i > 0;) {
+ 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)
+ if (mode == env->high_signed ||
+ mode == env->high_unsigned)
++n_param;
- } /* if */
- } /* for */
+ }
+ }
/* count new number of results */
- n_res = r = get_method_n_ress(mtp);
- for (i = n_res - 1; i >= 0; --i) {
- ir_type *tp = get_method_res_type(mtp, i);
+ n_res = orig_n_res = get_method_n_ress(mtp);
+ for (i = orig_n_res; i > 0;) {
+ ir_type *tp = get_method_res_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)
+ if (mode == env->high_signed ||
+ mode == env->high_unsigned)
++n_res;
- } /* if */
- } /* for */
+ }
+ }
- id = 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) {
+ for (i = n_param = 0; i < orig_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) {
+ if (mode == env->high_signed) {
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) {
+ } else if (mode == env->high_unsigned) {
set_method_param_type(res, n_param++, tp_u);
set_method_param_type(res, n_param++, tp_u);
} else {
set_method_param_type(res, n_param++, tp);
- } /* if */
+ }
} else {
set_method_param_type(res, n_param++, tp);
- } /* if */
- } /* for */
- for (i = n_res = 0; i < r; ++i) {
+ }
+ }
+ for (i = n_res = 0; i < orig_n_res; ++i) {
ir_type *tp = get_method_res_type(mtp, i);
if (is_Primitive_type(tp)) {
ir_mode *mode = get_type_mode(tp);
- if (mode == env->params->high_signed) {
+ if (mode == env->high_signed) {
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) {
+ } else if (mode == env->high_unsigned) {
set_method_res_type(res, n_res++, tp_u);
set_method_res_type(res, n_res++, tp_u);
} else {
set_method_res_type(res, n_res++, tp);
- } /* if */
+ }
} else {
set_method_res_type(res, n_res++, tp);
- } /* if */
- } /* 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 all entities of the value type */
+ for (i = n_param = 0; i < orig_n_params; ++i) {
+ ir_type *tp = get_method_param_type(mtp, i);
+ ir_entity *ent = get_method_value_param_ent(mtp, i);
+
+ set_entity_arg_idx(ent, n_param);
+ if (is_Primitive_type(tp)) {
+ ir_mode *mode = get_type_mode(tp);
+
+ if (mode == env->high_signed || mode == env->high_unsigned) {
+ n_param += 2;
+ continue;
+ }
+ }
+ ++n_param;
+ }
+
+ set_lowered_type(value_type, get_method_value_param_type(res));
+ }
} else {
- res = entry->value;
- } /* if */
+ res = (ir_type*)entry->value;
+ }
return res;
-} /* lower_mtp */
+}
/**
* Translate a Return.
*/
-static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_graph *irg = current_ir_graph;
+static void lower_Return(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 *mtp = get_entity_type(ent);
- ir_node **in;
- int i, j, n, idx;
- int need_conv = 0;
+ ir_node **in;
+ size_t i, j, n;
+ int need_conv = 0;
(void) mode;
/* check if this return must be lowered */
ir_node *pred = get_Return_res(node, i);
ir_mode *mode = get_irn_op_mode(pred);
- if (mode == env->params->high_signed ||
- mode == env->params->high_unsigned) {
- idx = get_irn_idx(pred);
- if (! env->entries[idx]->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- } /* if */
+ if (mode == env->high_signed || mode == env->high_unsigned)
need_conv = 1;
- } /* if */
- } /* for */
+ }
if (! need_conv)
return;
ent = get_irg_entity(irg);
mtp = get_entity_type(ent);
- mtp = lower_mtp(mtp, env);
+ mtp = lower_mtp(env, mtp);
set_entity_type(ent, mtp);
/* create a new in array */
in[0] = get_Return_mem(node);
for (j = i = 0, n = get_Return_n_ress(node); i < n; ++i) {
- ir_node *pred = get_Return_res(node, i);
-
- idx = get_irn_idx(pred);
- assert(idx < env->n_entries);
+ ir_node *pred = get_Return_res(node, i);
+ ir_mode *pred_mode = get_irn_mode(pred);
- if (env->entries[idx]) {
- in[++j] = env->entries[idx]->low_word;
- in[++j] = env->entries[idx]->high_word;
+ if (pred_mode == env->high_signed || pred_mode == env->high_unsigned) {
+ const node_entry_t *entry = get_node_entry(env, pred);
+ in[++j] = entry->low_word;
+ in[++j] = entry->high_word;
} else {
in[++j] = pred;
- } /* if */
- } /* for */
+ }
+ }
set_irn_in(node, j+1, in);
-} /* lower_Return */
+}
/**
* Translate the parameters.
*/
-static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env) {
- ir_graph *irg = current_ir_graph;
+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;
+ size_t i, j, n_params;
+ int rem;
ir_node *proj, *args;
(void) mode;
- if (is_lowered_type(tp)) {
- mtp = get_associated_type(tp);
- } else {
- mtp = tp;
- } /* if */
- assert(! is_lowered_type(mtp));
+ if (!mtp_must_be_lowered(env, tp)) return;
- n_params = get_method_n_params(mtp);
- if (n_params <= 0)
- return;
+ n_params = get_method_n_params(tp);
NEW_ARR_A(long, new_projs, n_params);
- /* first check if we have parameters that must be fixed */
+ /* Calculate mapping of proj numbers in new_projs */
for (i = j = 0; i < n_params; ++i, ++j) {
- ir_type *tp = get_method_param_type(mtp, i);
+ ir_type *ptp = get_method_param_type(tp, i);
new_projs[i] = j;
- if (is_Primitive_type(tp)) {
- ir_mode *mode = get_type_mode(tp);
+ if (is_Primitive_type(ptp)) {
+ ir_mode *mode = get_type_mode(ptp);
- if (mode == env->params->high_signed ||
- mode == env->params->high_unsigned)
+ if (mode == env->high_signed ||
+ mode == env->high_unsigned)
++j;
- } /* if */
- } /* for */
- if (i == j)
- return;
+ }
+ }
- mtp = lower_mtp(mtp, env);
- set_entity_type(ent, mtp);
+ /* lower method type */
+ tp = lower_mtp(env, tp);
+ set_entity_type(ent, tp);
/* switch off optimization for new Proj nodes or they might be CSE'ed
with not patched one's */
rem = get_optimize();
set_optimize(0);
- /* ok, fix all Proj's and create new ones */
+ /* fix all Proj's and create new ones */
args = get_irg_args(irg);
- for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
+ for (proj = (ir_node*)get_irn_link(node); proj;
+ proj = (ir_node*)get_irn_link(proj)) {
ir_node *pred = get_Proj_pred(proj);
long proj_nr;
- int idx;
ir_mode *mode;
+ ir_mode *mode_l;
+ ir_mode *mode_h;
+ ir_node *res_low;
+ ir_node *res_high;
dbg_info *dbg;
/* do not visit this node again */
proj_nr = get_Proj_proj(proj);
set_Proj_proj(proj, new_projs[proj_nr]);
- idx = get_irn_idx(proj);
- if (env->entries[idx]) {
- ir_mode *low_mode = env->params->low_unsigned;
-
- mode = get_irn_mode(proj);
+ mode = get_irn_mode(proj);
+ mode_l = env->low_unsigned;
+ if (mode == env->high_signed) {
+ mode_h = env->low_signed;
+ } else if (mode == env->high_unsigned) {
+ mode_h = env->low_unsigned;
+ } else {
+ continue;
+ }
- if (mode == env->params->high_signed) {
- mode = env->params->low_signed;
- } else {
- mode = env->params->low_unsigned;
- } /* if */
-
- dbg = get_irn_dbg_info(proj);
- env->entries[idx]->low_word =
- new_rd_Proj(dbg, irg, get_nodes_block(proj), 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);
- } /* if */
- } /* for */
+ dbg = get_irn_dbg_info(proj);
+ res_low = new_rd_Proj(dbg, args, mode_l, new_projs[proj_nr]);
+ res_high = new_rd_Proj(dbg, args, mode_h, new_projs[proj_nr] + 1);
+ set_lowered(env, proj, res_low, res_high);
+ }
set_optimize(rem);
-} /* lower_Start */
+}
/**
* 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;
+ size_t n_params, n_res;
+ bool need_lower = false;
+ size_t i, j;
+ size_t p;
long *res_numbers = NULL;
(void) mode;
- if (is_lowered_type(tp)) {
- call_tp = get_associated_type(tp);
- } else {
- call_tp = tp;
- } /* if */
-
- assert(! is_lowered_type(call_tp));
-
- n_params = get_method_n_params(call_tp);
- for (i = 0; i < n_params; ++i) {
- ir_type *tp = get_method_param_type(call_tp, i);
+ n_params = get_method_n_params(tp);
+ for (p = 0; p < n_params; ++p) {
+ ir_type *ptp = get_method_param_type(tp, p);
- if (is_Primitive_type(tp)) {
- ir_mode *mode = get_type_mode(tp);
+ if (is_Primitive_type(ptp)) {
+ ir_mode *mode = get_type_mode(ptp);
- if (mode == env->params->high_signed ||
- mode == env->params->high_unsigned) {
- need_lower = 1;
+ if (mode == env->high_signed || mode == env->high_unsigned) {
+ need_lower = true;
break;
- } /* if */
- } /* if */
- } /* for */
- n_res = get_method_n_ress(call_tp);
+ }
+ }
+ }
+ n_res = get_method_n_ress(tp);
if (n_res > 0) {
NEW_ARR_A(long, res_numbers, n_res);
for (i = j = 0; i < n_res; ++i, ++j) {
- ir_type *tp = get_method_res_type(call_tp, i);
+ ir_type *ptp = get_method_res_type(tp, i);
res_numbers[i] = j;
- if (is_Primitive_type(tp)) {
- ir_mode *mode = get_type_mode(tp);
+ if (is_Primitive_type(ptp)) {
+ ir_mode *mode = get_type_mode(ptp);
- if (mode == env->params->high_signed ||
- mode == env->params->high_unsigned) {
- need_lower = 1;
+ if (mode == env->high_signed || mode == env->high_unsigned) {
+ need_lower = true;
++j;
- } /* if */
- } /* if */
- } /* for */
- } /* if */
+ }
+ }
+ }
+ }
if (! need_lower)
return;
/* let's lower it */
- call_tp = lower_mtp(call_tp, env);
- set_Call_type(node, call_tp);
+ tp = lower_mtp(env, tp);
+ set_Call_type(node, tp);
- NEW_ARR_A(ir_node *, in, get_method_n_params(call_tp) + 2);
+ NEW_ARR_A(ir_node *, in, get_method_n_params(tp) + 2);
in[0] = get_Call_mem(node);
in[1] = get_Call_ptr(node);
for (j = 2, i = 0; i < n_params; ++i) {
- ir_node *pred = get_Call_param(node, i);
- int idx = get_irn_idx(pred);
+ ir_node *pred = get_Call_param(node, i);
+ ir_mode *pred_mode = get_irn_mode(pred);
- if (env->entries[idx]) {
- if (! env->entries[idx]->low_word) {
- /* not ready yet, wait */
- pdeq_putr(env->waitq, node);
- return;
- }
- in[j++] = env->entries[idx]->low_word;
- in[j++] = env->entries[idx]->high_word;
+ if (pred_mode == env->high_signed || pred_mode == env->high_unsigned) {
+ const node_entry_t *pred_entry = get_node_entry(env, pred);
+ in[j++] = pred_entry->low_word;
+ in[j++] = pred_entry->high_word;
} else {
in[j++] = pred;
- } /* if */
- } /* for */
+ }
+ }
set_irn_in(node, j, in);
/* fix the results */
results = NULL;
- for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
+ for (proj = (ir_node*)get_irn_link(node); proj;
+ proj = (ir_node*)get_irn_link(proj)) {
long proj_nr = get_Proj_proj(proj);
if (proj_nr == pn_Call_T_result && get_Proj_pred(proj) == node) {
/* found the result proj */
results = proj;
break;
- } /* if */
- } /* for */
+ }
+ }
- if (results) { /* there are results */
+ if (results != NULL) { /* there are results */
int rem = get_optimize();
/* switch off optimization for new Proj nodes or they might be CSE'ed
with not patched one's */
set_optimize(0);
- for (i = j = 0, proj = get_irn_link(results); proj; proj = get_irn_link(proj), ++i, ++j) {
+ for (proj = (ir_node*)get_irn_link(results); proj; proj = (ir_node*)get_irn_link(proj)) {
if (get_Proj_pred(proj) == results) {
- long proj_nr = get_Proj_proj(proj);
- int idx;
+ long proj_nr = get_Proj_proj(proj);
+ ir_mode *proj_mode = get_irn_mode(proj);
+ ir_mode *mode_l;
+ ir_mode *mode_h;
+ ir_node *res_low;
+ ir_node *res_high;
+ dbg_info *dbg;
/* found a result */
- set_Proj_proj(proj, res_numbers[proj_nr]);
- 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) {
- mode = env->params->low_signed;
- } else {
- mode = env->params->low_unsigned;
- } /* if */
-
- dbg = get_irn_dbg_info(proj);
- env->entries[idx]->low_word =
- new_rd_Proj(dbg, irg, get_nodes_block(proj), 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);
- } /* if */
mark_irn_visited(proj);
- } /* if */
- } /* for */
+
+ set_Proj_proj(proj, res_numbers[proj_nr]);
+
+ mode_l = env->low_unsigned;
+ if (proj_mode == env->high_signed) {
+ mode_h = env->low_signed;
+ } else if (proj_mode == env->high_unsigned) {
+ mode_h = env->low_unsigned;
+ } else {
+ continue;
+ }
+
+ dbg = get_irn_dbg_info(proj);
+ res_low = new_rd_Proj(dbg, results, mode_l, res_numbers[proj_nr]);
+ res_high = new_rd_Proj(dbg, results, mode_h, res_numbers[proj_nr] + 1);
+ set_lowered(env, proj, res_low, res_high);
+ }
+ }
set_optimize(rem);
}
-} /* lower_Call */
+}
/**
* 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;
- ir_mode *low_mode = env->params->low_unsigned;
-
- env->entries[idx]->low_word = new_r_Unknown(irg, low_mode);
- env->entries[idx]->high_word = new_r_Unknown(irg, mode);
-} /* lower_Unknown */
+static void lower_Unknown(ir_node *node, ir_mode *mode, lower_env_t *env)
+{
+ ir_mode *low_mode = env->low_unsigned;
+ ir_graph *irg = get_irn_irg(node);
+ ir_node *res_low = new_r_Unknown(irg, low_mode);
+ ir_node *res_high = new_r_Unknown(irg, mode);
+ set_lowered(env, node, res_low, res_high);
+}
/**
* Translate a Phi.
*
* First step: just create two templates
*/
-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 = current_ir_graph;
- ir_node *block, *unk_l, *unk_h, *phi_l, *phi_h;
- ir_node **inl, **inh;
+static void lower_Phi(lower_env_t *env, ir_node *phi)
+{
+ ir_mode *mode = get_irn_mode(phi);
+ int i;
+ int arity;
+ ir_node **in_l;
+ ir_node **in_h;
+ ir_node *unk_l;
+ ir_node *unk_h;
+ ir_node *phi_l;
+ ir_node *phi_h;
dbg_info *dbg;
- int idx, i, arity = get_Phi_n_preds(phi);
- int enq = 0;
-
- idx = get_irn_idx(phi);
- if (env->entries[idx]->low_word) {
- /* Phi nodes already build, check for inputs */
- ir_node *phil = env->entries[idx]->low_word;
- ir_node *phih = env->entries[idx]->high_word;
+ ir_node *block;
+ ir_graph *irg;
+ ir_mode *mode_l;
+ ir_mode *mode_h;
- for (i = 0; i < arity; ++i) {
- ir_node *pred = get_Phi_pred(phi, i);
- int idx = get_irn_idx(pred);
+ /* enqueue predecessors */
+ arity = get_Phi_n_preds(phi);
+ for (i = 0; i < arity; ++i) {
+ ir_node *pred = get_Phi_pred(phi, i);
+ pdeq_putr(env->waitq, pred);
+ }
- if (env->entries[idx]->low_word) {
- set_Phi_pred(phil, i, env->entries[idx]->low_word);
- set_Phi_pred(phih, i, env->entries[idx]->high_word);
- } else {
- /* still not ready */
- pdeq_putr(env->waitq, phi);
- return;
- } /* if */
- } /* for */
- } /* if */
+ if (mode != env->high_signed && mode != env->high_unsigned)
+ return;
/* first create a new in array */
- NEW_ARR_A(ir_node *, inl, arity);
- NEW_ARR_A(ir_node *, inh, arity);
- unk_l = new_r_Unknown(irg, mode_l);
- unk_h = new_r_Unknown(irg, mode);
-
+ NEW_ARR_A(ir_node *, in_l, arity);
+ NEW_ARR_A(ir_node *, in_h, arity);
+ irg = get_irn_irg(phi);
+ mode_l = env->low_unsigned;
+ mode_h = mode == env->high_signed ? env->low_signed : env->low_unsigned;
+ unk_l = new_r_Dummy(irg, mode_l);
+ unk_h = new_r_Dummy(irg, mode_h);
for (i = 0; i < arity; ++i) {
- ir_node *pred = get_Phi_pred(phi, i);
- int idx = get_irn_idx(pred);
-
- if (env->entries[idx]->low_word) {
- inl[i] = env->entries[idx]->low_word;
- inh[i] = env->entries[idx]->high_word;
- } else {
- inl[i] = unk_l;
- inh[i] = unk_h;
- enq = 1;
- } /* if */
- } /* for */
+ in_l[i] = unk_l;
+ in_h[i] = unk_h;
+ }
dbg = get_irn_dbg_info(phi);
block = get_nodes_block(phi);
+ phi_l = new_rd_Phi(dbg, block, arity, in_l, mode_l);
+ phi_h = new_rd_Phi(dbg, block, arity, in_h, mode_h);
- idx = get_irn_idx(phi);
- assert(idx < env->n_entries);
- env->entries[idx]->low_word = phi_l = new_rd_Phi(dbg, irg, block, arity, inl, mode_l);
- env->entries[idx]->high_word = phi_h = new_rd_Phi(dbg, irg, block, arity, inh, mode);
+ set_lowered(env, phi, phi_l, phi_h);
+
+ /* remember that we need to fixup the predecessors later */
+ ARR_APP1(ir_node*, env->lowered_phis, phi);
/* Don't forget to link the new Phi nodes into the block.
* Beware that some Phis might be optimized away. */
add_Block_phi(block, phi_l);
if (is_Phi(phi_h))
add_Block_phi(block, phi_h);
+}
+
+static void fixup_phi(lower_env_t *env, ir_node *phi)
+{
+ const node_entry_t *entry = get_node_entry(env, phi);
+ ir_node *phi_l = entry->low_word;
+ ir_node *phi_h = entry->high_word;
+ int arity = get_Phi_n_preds(phi);
+ int i;
+
+ /* exchange phi predecessors which are lowered by now */
+ for (i = 0; i < arity; ++i) {
+ ir_node *pred = get_Phi_pred(phi, i);
+ const node_entry_t *pred_entry = get_node_entry(env, pred);
- if (enq) {
- /* not yet finished */
- pdeq_putr(env->waitq, phi);
- } /* if */
-} /* lower_Phi */
+ set_Phi_pred(phi_l, i, pred_entry->low_word);
+ set_Phi_pred(phi_h, i, pred_entry->high_word);
+ }
+}
/**
* Translate a Mux.
*/
-static void lower_Mux(ir_node *mux, ir_mode *mode, lower_env_t *env) {
- ir_graph *irg = current_ir_graph;
- ir_node *block, *val;
- ir_node *true_l, *true_h, *false_l, *false_h, *sel;
- dbg_info *dbg;
- int idx;
-
- 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 */
-
- val = get_Mux_false(mux);
- idx = get_irn_idx(val);
- if (env->entries[idx]->low_word) {
- /* Values already build */
- false_l = env->entries[idx]->low_word;
- false_h = env->entries[idx]->high_word;
- } else {
- /* still not ready */
- pdeq_putr(env->waitq, mux);
- return;
- } /* if */
-
-
- sel = get_Mux_sel(mux);
-
- dbg = get_irn_dbg_info(mux);
- block = get_nodes_block(mux);
-
- idx = get_irn_idx(mux);
- assert(idx < env->n_entries);
- env->entries[idx]->low_word = new_rd_Mux(dbg, irg, block, sel, false_l, true_l, mode);
- env->entries[idx]->high_word = new_rd_Mux(dbg, irg, block, sel, false_h, true_h, mode);
-} /* lower_Mux */
+static void lower_Mux(ir_node *mux, ir_mode *mode, lower_env_t *env)
+{
+ ir_node *truen = get_Mux_true(mux);
+ ir_node *falsen = get_Mux_false(mux);
+ ir_node *sel = get_Mux_sel(mux);
+ const node_entry_t *true_entry = get_node_entry(env, truen);
+ const node_entry_t *false_entry = get_node_entry(env, falsen);
+ ir_node *true_l = true_entry->low_word;
+ ir_node *true_h = true_entry->high_word;
+ ir_node *false_l = false_entry->low_word;
+ ir_node *false_h = false_entry->high_word;
+ dbg_info *dbgi = get_irn_dbg_info(mux);
+ ir_node *block = get_nodes_block(mux);
+ ir_node *res_low
+ = new_rd_Mux(dbgi, block, sel, false_l, true_l, env->low_unsigned);
+ ir_node *res_high
+ = new_rd_Mux(dbgi, block, sel, false_h, true_h, mode);
+ set_lowered(env, mux, res_low, res_high);
+}
+/**
+ * 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;
+ ir_mode *high_signed = env->high_signed;
+ ir_mode *high_unsigned = env->high_unsigned;
+ int n_outs = get_ASM_n_output_constraints(asmn);
+ ir_asm_constraint *output_constraints = get_ASM_output_constraints(asmn);
+ ir_asm_constraint *input_constraints = get_ASM_input_constraints(asmn);
+ unsigned n_64bit_outs = 0;
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");
+ ir_node *op = get_irn_n(asmn, i);
+ ir_mode *op_mode = get_irn_mode(op);
+ if (op_mode == high_signed || op_mode == high_unsigned) {
+ panic("lowering ASM 64bit input unimplemented");
}
}
- for (n = asmn;;) {
- ir_mode *proj_mode;
+ for (i = 0; i < n_outs; ++i) {
+ const ir_asm_constraint *constraint = &output_constraints[i];
+ if (constraint->mode == high_signed || constraint->mode == high_unsigned) {
+ const char *constr = get_id_str(constraint->constraint);
+ ++n_64bit_outs;
+ /* TODO: How to do this architecture neutral? This is very
+ * i386 specific... */
+ if (constr[0] != '=' || constr[1] != 'A') {
+ panic("lowering ASM 64bit output only supports '=A' currently");
+ }
+ }
+ }
- n = get_irn_link(n);
- if (n == NULL)
- break;
+ if (n_64bit_outs == 0)
+ return;
+
+ {
+ dbg_info *dbgi = get_irn_dbg_info(asmn);
+ ir_node *block = get_nodes_block(asmn);
+ int arity = get_irn_arity(asmn);
+ ir_node **in = get_irn_in(asmn) + 1;
+ int n_outs = get_ASM_n_output_constraints(asmn);
+ int new_n_outs = 0;
+ int n_clobber = get_ASM_n_clobbers(asmn);
+ long *proj_map = ALLOCAN(long, n_outs);
+ ident **clobbers = get_ASM_clobbers(asmn);
+ ident *asm_text = get_ASM_text(asmn);
+ ir_asm_constraint *new_outputs
+ = ALLOCAN(ir_asm_constraint, n_outs+n_64bit_outs);
+ ir_node *new_asm;
+
+ for (i = 0; i < n_outs; ++i) {
+ const ir_asm_constraint *constraint = &output_constraints[i];
+ if (constraint->mode == high_signed || constraint->mode == high_unsigned) {
+ new_outputs[new_n_outs].pos = constraint->pos;
+ new_outputs[new_n_outs].constraint = new_id_from_str("=a");
+ new_outputs[new_n_outs].mode = env->low_unsigned;
+ proj_map[i] = new_n_outs;
+ ++new_n_outs;
+ new_outputs[new_n_outs].pos = constraint->pos;
+ new_outputs[new_n_outs].constraint = new_id_from_str("=d");
+ if (constraint->mode == high_signed)
+ new_outputs[new_n_outs].mode = env->low_signed;
+ else
+ new_outputs[new_n_outs].mode = env->low_unsigned;
+ ++new_n_outs;
+ } else {
+ new_outputs[new_n_outs] = *constraint;
+ proj_map[i] = new_n_outs;
+ ++new_n_outs;
+ }
+ }
+ assert(new_n_outs == n_outs+(int)n_64bit_outs);
+
+ new_asm = new_rd_ASM(dbgi, block, arity, in, input_constraints,
+ new_n_outs, new_outputs, n_clobber, clobbers,
+ asm_text);
+
+ for (n = asmn;;) {
+ long pn;
+ ir_mode *proj_mode;
+ n = (ir_node*)get_irn_link(n);
+ if (n == NULL)
+ break;
+ proj_mode = get_irn_mode(n);
+ pn = get_Proj_proj(n);
+ if (pn < n_outs)
+ pn = proj_map[pn];
+ else
+ pn = new_n_outs + pn - n_outs;
+
+ if (proj_mode == high_signed || proj_mode == high_unsigned) {
+ ir_mode *high_mode
+ = proj_mode == high_signed ? env->low_signed : env->low_unsigned;
+ ir_node *np_low = new_r_Proj(new_asm, env->low_unsigned, pn);
+ ir_node *np_high = new_r_Proj(new_asm, high_mode, pn+1);
+ set_lowered(env, n, np_low, np_high);
+ } else {
+ ir_node *np = new_r_Proj(new_asm, proj_mode, pn);
+ exchange(n, np);
+ }
+ }
+ }
+}
+
+/**
+ * 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) {
+ size_t pos = get_entity_arg_idx(ent);
- proj_mode = get_irn_mode(n);
- if (proj_mode == his || proj_mode == hiu) {
- panic("lowering ASM unimplemented");
+ ent = get_method_value_param_ent(env->l_mtp, pos);
+ set_Sel_entity(sel, ent);
}
}
}
/**
* check for opcodes that must always be lowered.
*/
-static int always_lower(ir_opcode code) {
+static bool always_lower(unsigned code)
+{
switch (code) {
case iro_ASM:
case iro_Proj:
case iro_Return:
case iro_Cond:
case iro_Conv:
- return 1;
+ case iro_Sel:
+ return true;
default:
- return 0;
- } /* switch */
-} /* always_lower */
-
-/**
- * lower boolean Proj(Cmp)
- */
-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;
-
- l = get_Cmp_left(cmp);
- lidx = get_irn_idx(l);
- if (! env->entries[lidx]->low_word) {
- /* still not ready */
- return NULL;
- } /* if */
-
- r = get_Cmp_right(cmp);
- ridx = get_irn_idx(r);
- if (! env->entries[ridx]->low_word) {
- /* still not ready */
- return NULL;
- } /* if */
-
- 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);
-
- 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),
- 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),
- 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),
- mode_b);
- res = new_rd_Or(db, irg, blk,
- new_r_Proj(irg, blk, high, mode_b, pnc & ~pn_Cmp_Eq),
- t,
- mode_b);
- } /* if */
- return res;
-} /* lower_boolean_Proj_Cmp */
-
-/**
- * The type of a lower function.
- *
- * @param node the node to be lowered
- * @param mode the low mode for the destination node
- * @param env the lower environment
- */
-typedef void (*lower_func)(ir_node *node, ir_mode *mode, lower_env_t *env);
-
-/**
- * Lower a node.
- */
-static void lower_ops(ir_node *node, void *env)
-{
- 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))) {
- ir_op *op = get_irn_op(node);
- lower_func func = (lower_func)op->ops.generic;
-
- if (func) {
- mode = get_irn_op_mode(node);
-
- if (mode == lenv->params->high_signed)
- mode = lenv->params->low_signed;
- else
- mode = lenv->params->low_unsigned;
-
- DB((dbg, LEVEL_1, " %+F\n", node));
- func(node, mode, lenv);
- } /* if */
- } /* if */
-} /* lower_ops */
-
-#define IDENT(s) new_id_from_chars(s, sizeof(s)-1)
+ return false;
+ }
+}
/**
* Compare two op_mode_entry_t's.
*/
-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;
+static int cmp_op_mode(const void *elt, const void *key, size_t size)
+{
+ const op_mode_entry_t *e1 = (const op_mode_entry_t*)elt;
+ const op_mode_entry_t *e2 = (const op_mode_entry_t*)key;
(void) size;
- return (e1->op - e2->op) | (e1->imode - e2->imode) | (e1->omode - e2->omode);
-} /* cmp_op_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;
+static int cmp_conv_tp(const void *elt, const void *key, size_t size)
+{
+ const conv_tp_entry_t *e1 = (const conv_tp_entry_t*)elt;
+ const conv_tp_entry_t *e2 = (const conv_tp_entry_t*)key;
(void) size;
- return (e1->imode - e2->imode) | (e1->omode - e2->omode);
-} /* static int cmp_conv_tp */
+ return (e1->imode != e2->imode) | (e1->omode != e2->omode);
+}
/**
* Enter a lowering function into an ir_op.
*/
-static void enter_lower_func(ir_op *op, lower_func func) {
+static void enter_lower_func(ir_op *op, lower_func func)
+{
op->ops.generic = (op_func)func;
}
-/*
- * Do the lowering.
+/**
+ * Returns non-zero if a method type must be lowered.
+ *
+ * @param mtp the method type
*/
-void lower_dw_ops(const lwrdw_param_t *param)
+static bool mtp_must_be_lowered(lower_env_t *env, ir_type *mtp)
{
- lower_env_t lenv;
+ size_t i, n_params = get_method_n_params(mtp);
+
+ /* 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->high_signed ||
+ mode == env->high_unsigned)
+ return true;
+ }
+ }
+ return false;
+}
+
+/* Determine which modes need to be lowered */
+static void setup_modes(lower_env_t *env)
+{
+ unsigned size_bits = env->params->doubleword_size;
+ ir_mode *doubleword_signed = NULL;
+ ir_mode *doubleword_unsigned = NULL;
+ size_t n_modes = get_irp_n_modes();
+ ir_mode_arithmetic arithmetic;
+ unsigned modulo_shift;
+ size_t i;
+
+ /* search for doubleword modes... */
+ for (i = 0; i < n_modes; ++i) {
+ ir_mode *mode = get_irp_mode(i);
+ if (!mode_is_int(mode))
+ continue;
+ if (get_mode_size_bits(mode) != size_bits)
+ continue;
+ if (mode_is_signed(mode)) {
+ if (doubleword_signed != NULL) {
+ /* sigh - the lowerer should really just lower all mode with
+ * size_bits it finds. Unfortunately this required a bigger
+ * rewrite. */
+ panic("multiple double word signed modes found");
+ }
+ doubleword_signed = mode;
+ } else {
+ if (doubleword_unsigned != NULL) {
+ /* sigh - the lowerer should really just lower all mode with
+ * size_bits it finds. Unfortunately this required a bigger
+ * rewrite. */
+ panic("multiple double word unsigned modes found");
+ }
+ doubleword_unsigned = mode;
+ }
+ }
+ if (doubleword_signed == NULL || doubleword_unsigned == NULL) {
+ panic("Couldn't find doubleword modes");
+ }
+
+ arithmetic = get_mode_arithmetic(doubleword_signed);
+ modulo_shift = get_mode_modulo_shift(doubleword_signed);
+
+ assert(get_mode_size_bits(doubleword_unsigned) == size_bits);
+ assert(size_bits % 2 == 0);
+ assert(get_mode_sign(doubleword_signed) == 1);
+ assert(get_mode_sign(doubleword_unsigned) == 0);
+ assert(get_mode_sort(doubleword_signed) == irms_int_number);
+ assert(get_mode_sort(doubleword_unsigned) == irms_int_number);
+ assert(get_mode_arithmetic(doubleword_unsigned) == arithmetic);
+ assert(get_mode_modulo_shift(doubleword_unsigned) == modulo_shift);
+
+ /* try to guess a sensible modulo shift for the new mode.
+ * (This is IMO another indication that this should really be a node
+ * attribute instead of a mode thing) */
+ if (modulo_shift == size_bits) {
+ modulo_shift = modulo_shift / 2;
+ } else if (modulo_shift == 0) {
+ /* fine */
+ } else {
+ panic("Don't know what new modulo shift to use for lowered doubleword mode");
+ }
+ size_bits /= 2;
+
+ /* produce lowered modes */
+ env->high_signed = doubleword_signed;
+ env->high_unsigned = doubleword_unsigned;
+ env->low_signed = new_ir_mode("WS", irms_int_number, size_bits, 1,
+ arithmetic, modulo_shift);
+ env->low_unsigned = new_ir_mode("WU", irms_int_number, size_bits, 0,
+ arithmetic, modulo_shift);
+}
+
+static void enqueue_preds(lower_env_t *env, ir_node *node)
+{
+ int arity = get_irn_arity(node);
int i;
- ir_graph *rem;
- if (! param)
+ for (i = 0; i < arity; ++i) {
+ ir_node *pred = get_irn_n(node, i);
+ pdeq_putr(env->waitq, pred);
+ }
+}
+
+static void lower_node(lower_env_t *env, ir_node *node)
+{
+ int arity;
+ int i;
+ lower_func func;
+ ir_op *op;
+ ir_mode *mode;
+ unsigned idx;
+ node_entry_t *entry;
+
+ if (irn_visited_else_mark(node))
return;
- if (! param->enable)
+ /* cycles are always broken at Phi and Block nodes. So we don't need special
+ * magic in all the other lower functions */
+ if (is_Block(node)) {
+ enqueue_preds(env, node);
+ return;
+ } else if (is_Phi(node)) {
+ lower_Phi(env, node);
+ return;
+ }
+
+ /* depth-first: descend into operands */
+ if (!is_Block(node)) {
+ ir_node *block = get_nodes_block(node);
+ lower_node(env, block);
+ }
+
+ if (!is_Cond(node)) {
+ arity = get_irn_arity(node);
+ for (i = 0; i < arity; ++i) {
+ ir_node *pred = get_irn_n(node, i);
+ lower_node(env, pred);
+ }
+ }
+
+ op = get_irn_op(node);
+ func = (lower_func) op->ops.generic;
+ if (func == NULL)
return;
+ idx = get_irn_idx(node);
+ entry = idx < env->n_entries ? env->entries[idx] : NULL;
+ if (entry != NULL || always_lower(get_irn_opcode(node))) {
+ mode = get_irn_op_mode(node);
+ if (mode == env->high_signed) {
+ mode = env->low_signed;
+ } else {
+ mode = env->low_unsigned;
+ }
+ DB((dbg, LEVEL_1, " %+F\n", node));
+ func(node, mode, env);
+ }
+}
+
+static void lower_irg(lower_env_t *env, ir_graph *irg)
+{
+ ir_entity *ent;
+ ir_type *mtp;
+ unsigned n_idx;
+
+ obstack_init(&env->obst);
+
+ n_idx = get_irg_last_idx(irg);
+ n_idx = n_idx + (n_idx >> 2); /* add 25% */
+ env->n_entries = n_idx;
+ env->entries = NEW_ARR_F(node_entry_t*, n_idx);
+ memset(env->entries, 0, sizeof(env->entries[0]) * n_idx);
+
+ env->irg = irg;
+ env->l_mtp = NULL;
+ env->flags = 0;
+ env->proj_2_block = pmap_create();
+ env->value_param_tp = NULL;
+
+ ent = get_irg_entity(irg);
+ mtp = get_entity_type(ent);
+
+ if (mtp_must_be_lowered(env, mtp)) {
+ ir_type *ltp = lower_mtp(env, mtp);
+ /* Do not update the entity type yet, this will be done by lower_Start! */
+ env->flags |= MUST_BE_LOWERED;
+ env->l_mtp = ltp;
+ env->value_param_tp = get_method_value_param_type(mtp);
+ }
+
+ /* first step: link all nodes and allocate data */
+ ir_reserve_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
+ irg_walk_graph(irg, firm_clear_node_and_phi_links,
+ prepare_links_and_handle_rotl, env);
+
+ if (env->flags & MUST_BE_LOWERED) {
+ size_t i;
+ ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
+ inc_irg_visited(irg);
+
+ assert(pdeq_empty(env->waitq));
+ pdeq_putr(env->waitq, get_irg_end(irg));
+
+ env->lowered_phis = NEW_ARR_F(ir_node*, 0);
+ while (!pdeq_empty(env->waitq)) {
+ ir_node *node = (ir_node*)pdeq_getl(env->waitq);
+ lower_node(env, node);
+ }
+
+ /* we need to fixup phis */
+ for (i = 0; i < ARR_LEN(env->lowered_phis); ++i) {
+ ir_node *phi = env->lowered_phis[i];
+ fixup_phi(env, phi);
+ }
+ DEL_ARR_F(env->lowered_phis);
+
+
+ ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
+
+ /* outs are invalid, we changed the graph */
+ set_irg_outs_inconsistent(irg);
+
+ if (env->flags & CF_CHANGED) {
+ /* control flow changed, dominance info is invalid */
+ set_irg_doms_inconsistent(irg);
+ set_irg_extblk_inconsistent(irg);
+ set_irg_loopinfo_inconsistent(irg);
+ }
+ }
+
+ ir_free_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
+
+ pmap_destroy(env->proj_2_block);
+ DEL_ARR_F(env->entries);
+ obstack_free(&env->obst, NULL);
+}
+
+/*
+ * Do the lowering.
+ */
+void lower_dw_ops(const lwrdw_param_t *param)
+{
+ lower_env_t lenv;
+ size_t i, n;
+
+ assert(param != NULL);
FIRM_DBG_REGISTER(dbg, "firm.lower.dw");
- 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));
+ memset(&lenv, 0, sizeof(lenv));
+ lenv.params = param;
+ setup_modes(&lenv);
/* create the necessary maps */
- if (! prim_types)
- prim_types = pmap_create();
if (! intrinsic_fkt)
intrinsic_fkt = new_set(cmp_op_mode, iro_Last + 1);
if (! conv_types)
/* create a primitive unsigned and signed type */
if (! tp_u)
- tp_u = get_primitive_type(param->low_unsigned);
+ tp_u = get_type_for_mode(lenv.low_unsigned);
if (! tp_s)
- tp_s = get_primitive_type(param->low_signed);
+ tp_s = get_type_for_mode(lenv.low_signed);
/* 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_param_type(binop_tp_u, 3, tp_u);
set_method_res_type(binop_tp_u, 0, 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);
+ 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_u);
set_method_param_type(binop_tp_s, 3, 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, 0, 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);
+ 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);
set_method_param_type(shiftop_tp_s, 2, tp_u);
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);
+ 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_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), 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;
+ }
- /* first clear the generic function pointer for all ops */
clear_irp_opcodes_generic_func();
-
-#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(And);
- LOWER(Or);
- LOWER(Eor);
- LOWER(Not);
- LOWER(Cond);
- LOWER(Return);
- LOWER(Call);
- LOWER(Unknown);
- LOWER(Phi);
- LOWER(Mux);
- LOWER(Start);
-
- LOWER_BIN(Add);
- LOWER_BIN(Sub);
- LOWER_BIN(Mul);
- LOWER(Shl);
- LOWER(Shr);
- LOWER(Shrs);
- LOWER(Rotl);
- LOWER(DivMod);
- LOWER(Div);
- LOWER(Mod);
- LOWER_UN(Abs);
- LOWER_UN(Minus);
-
- LOWER(Conv);
-
-#undef LOWER_UN
-#undef LOWER_BIN
-#undef LOWER
-#undef LOWER2
+ enter_lower_func(op_ASM, lower_ASM);
+ enter_lower_func(op_Add, lower_binop);
+ enter_lower_func(op_And, lower_And);
+ enter_lower_func(op_Call, lower_Call);
+ enter_lower_func(op_Cmp, lower_Cmp);
+ enter_lower_func(op_Cond, lower_Cond);
+ enter_lower_func(op_Const, lower_Const);
+ enter_lower_func(op_Conv, lower_Conv);
+ enter_lower_func(op_Div, lower_Div);
+ enter_lower_func(op_Eor, lower_Eor);
+ enter_lower_func(op_Load, lower_Load);
+ enter_lower_func(op_Minus, lower_Unop);
+ enter_lower_func(op_Mod, lower_Mod);
+ enter_lower_func(op_Mul, lower_binop);
+ enter_lower_func(op_Mux, lower_Mux);
+ enter_lower_func(op_Not, lower_Not);
+ enter_lower_func(op_Or, lower_Or);
+ enter_lower_func(op_Return, lower_Return);
+ enter_lower_func(op_Sel, lower_Sel);
+ enter_lower_func(op_Shl, lower_Shl);
+ enter_lower_func(op_Shr, lower_Shr);
+ enter_lower_func(op_Shrs, lower_Shrs);
+ enter_lower_func(op_Start, lower_Start);
+ enter_lower_func(op_Store, lower_Store);
+ enter_lower_func(op_Sub, lower_binop);
+ enter_lower_func(op_Unknown, lower_Unknown);
+
+ lenv.tv_mode_bytes = new_tarval_from_long(param->doubleword_size/(2*8), lenv.low_unsigned);
+ lenv.tv_mode_bits = new_tarval_from_long(param->doubleword_size/2, lenv.low_unsigned);
+ lenv.waitq = new_pdeq();
+ 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);
/* transform all graphs */
- rem = current_ir_graph;
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ for (i = 0, n = get_irp_n_irgs(); i < n; ++i) {
ir_graph *irg = get_irp_irg(i);
- 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 = 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.proj_2_block = pmap_create();
-
- ir_reserve_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
-
- 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));
-
- /* must do some work */
- irg_walk_graph(irg, NULL, lower_ops, &lenv);
-
- /* last step: all waiting nodes */
- DB((dbg, LEVEL_1, "finishing waiting nodes:\n"));
- current_ir_graph = irg;
- while (! pdeq_empty(lenv.waitq)) {
- ir_node *node = pdeq_getl(lenv.waitq);
-
- 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);
-
- if (lenv.flags & CF_CHANGED) {
- /* control flow changed, dominance info is invalid */
- set_irg_doms_inconsistent(irg);
- set_irg_extblk_inconsistent(irg);
- set_irg_loopinfo_inconsistent(irg);
- } /* if */
- } else {
- ir_free_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
- } /* if */
- pmap_destroy(lenv.proj_2_block);
- DEL_ARR_F(lenv.entries);
- obstack_free(&lenv.obst, NULL);
- } /* for */
+ lower_irg(&lenv, irg);
+ }
del_pdeq(lenv.waitq);
- current_ir_graph = rem;
-} /* lower_dw_ops */
+}
/* Default implementation. */
ir_entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op,
} else {
snprintf(buf, sizeof(buf), "__l%s%s%s", get_op_name(op),
get_mode_name(imode), get_mode_name(omode));
- } /* if */
+ }
id = new_id_from_str(buf);
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 */
+}
projects / libfirm / blobdiff