X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Flower%2Flower_dw.c;h=2264a3322be3a445d122e3b5c1568d7027b386b9;hb=ed498a05fe0a01e8475c146f5459369326861d55;hp=8cf05222d210144d304b4fca0b0844df945d920c;hpb=475125056d60b876a4658ae08a8997b717cdb405;p=libfirm diff --git a/ir/lower/lower_dw.c b/ir/lower/lower_dw.c index 8cf05222d..2264a3322 100644 --- a/ir/lower/lower_dw.c +++ b/ir/lower/lower_dw.c @@ -24,19 +24,13 @@ * @author Michael Beck * @version $Id$ */ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#ifdef HAVE_STRING_H -# include -#endif -#ifdef HAVE_STDLIB_H -# include -#endif +#include "config.h" +#include +#include #include +#include "error.h" #include "lowering.h" #include "irnode_t.h" #include "irgraph_t.h" @@ -57,10 +51,8 @@ #include "pmap.h" #include "pdeq.h" #include "irdump.h" -#include "xmalloc.h" - -/** A map from mode to a primitive type. */ -static pmap *prim_types; +#include "array_t.h" +#include "irpass_t.h" /** A map from (op, imode, omode) to Intrinsic functions entities. */ static set *intrinsic_fkt; @@ -80,7 +72,7 @@ DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;) /** * 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 */ @@ -90,7 +82,7 @@ typedef struct _op_mode_entry { /** * 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 */ @@ -100,7 +92,7 @@ typedef struct _conv_tp_entry { * 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; @@ -113,40 +105,32 @@ enum lower_flags { /** * The lower environment. */ -typedef struct _lower_env_t { +typedef struct lower_env_t { node_entry_t **entries; /**< entries per node */ + ir_graph *irg; struct obstack obst; /**< an obstack holding the temporary data */ + ir_type *l_mtp; /**< lowered method type of the current method */ tarval *tv_mode_bytes; /**< a tarval containing the number of bytes in the lowered modes */ tarval *tv_mode_bits; /**< a tarval containing the number of bits in the lowered modes */ pdeq *waitq; /**< a wait queue of all nodes that must be handled later */ pmap *proj_2_block; /**< a map from ProjX to its destination blocks */ + 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 */ + unsigned n_entries; /**< number of entries */ + ir_type *value_param_tp; /**< the old value param type */ } lower_env_t; -/** - * Get a primitive mode for a mode. - */ -static ir_type *get_primitive_type(ir_mode *mode) { - pmap_entry *entry = pmap_find(prim_types, mode); - ir_type *tp; - char buf[64]; - - if (entry) - return entry->value; - - snprintf(buf, sizeof(buf), "_prim_%s", get_mode_name(mode)); - tp = new_type_primitive(new_id_from_str(buf), mode); - - pmap_insert(prim_types, mode, tp); - return tp; -} /* get_primitive_type */ - /** * 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; @@ -157,47 +141,45 @@ static ir_type *get_conv_type(ir_mode *imode, ir_mode *omode, lower_env_t *env) entry = set_insert(conv_types, &key, sizeof(key), HASH_PTR(imode) ^ HASH_PTR(omode)); if (! entry->mtd) { int n_param = 1, n_res = 1; - char buf[64]; - if (imode == env->params->high_signed || imode == env->params->high_unsigned) + 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. @@ -218,13 +200,13 @@ static void add_block_cf_input_nr(ir_node *block, int nr, ir_node *cf) set_irn_in(block, i + 1, in); - for (phi = get_irn_link(block); phi; phi = get_irn_link(phi)) { + for (phi = get_Block_phis(block); phi != NULL; phi = get_Phi_next(phi)) { for (i = 0; i < arity; ++i) in[i] = get_irn_n(phi, i); in[i] = in[nr]; set_irn_in(phi, i + 1, in); - } /* for */ -} /* add_block_cf_input_nr */ + } +} /** * Add an additional control flow input to a block. @@ -240,11 +222,11 @@ static void add_block_cf_input(ir_node *block, ir_node *tmpl, ir_node *cf) 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. @@ -266,8 +248,8 @@ static ir_mode *get_irn_op_mode(ir_node *node) return get_irn_mode(get_Cmp_left(node)); default: return get_irn_mode(node); - } /* switch */ -} /* get_irn_op_mode */ + } +} /** * Walker, prepare the node links. @@ -277,29 +259,37 @@ static void prepare_links(ir_node *node, void *env) lower_env_t *lenv = env; ir_mode *mode = get_irn_op_mode(node); node_entry_t *link; - int i; + int i; - if (mode == lenv->params->high_signed || - mode == lenv->params->high_unsigned) { + if (mode == lenv->high_signed || mode == lenv->high_unsigned) { + unsigned idx = get_irn_idx(node); /* ok, found a node that will be lowered */ - link = obstack_alloc(&lenv->obst, sizeof(*link)); + link = OALLOCZ(&lenv->obst, node_entry_t); - memset(link, 0, sizeof(*link)); + idx = get_irn_idx(node); + if (idx >= lenv->n_entries) { + /* enlarge: this happens only for Rotl nodes which is RARELY */ + unsigned old = lenv->n_entries; + unsigned n_idx = idx + (idx >> 3); - lenv->entries[get_irn_idx(node)] = link; + ARR_RESIZE(node_entry_t *, lenv->entries, n_idx); + memset(&lenv->entries[old], 0, (n_idx - old) * sizeof(lenv->entries[0])); + lenv->n_entries = n_idx; + } + lenv->entries[idx] = link; lenv->flags |= MUST_BE_LOWERED; } else if (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 == lenv->high_signed || + mode == lenv->high_unsigned) { /* must lower this node either but don't need a link */ lenv->flags |= MUST_BE_LOWERED; - } /* if */ + } return; - } /* if */ + } if (is_Proj(node)) { /* link all Proj nodes to its predecessor: @@ -311,9 +301,7 @@ static void prepare_links(ir_node *node, void *env) } else if (is_Phi(node)) { /* link all Phi nodes to its block */ ir_node *block = get_nodes_block(node); - - set_irn_link(node, get_irn_link(block)); - set_irn_link(block, node); + add_Block_phi(block, node); } else if (is_Block(node)) { /* fill the Proj -> Block map */ for (i = get_Block_n_cfgpreds(node) - 1; i >= 0; --i) { @@ -321,69 +309,65 @@ static void prepare_links(ir_node *node, void *env) if (is_Proj(pred)) pmap_insert(lenv->proj_2_block, pred, node); - } /* for */ - } /* if */ -} /* prepare_links */ + } + } +} /** * Translate a Constant: create two. */ -static void lower_Const(ir_node *node, ir_mode *mode, lower_env_t *env) { +static void lower_Const(ir_node *node, ir_mode *mode, lower_env_t *env) +{ + ir_graph *irg = get_irn_irg(node); + dbg_info *dbg = get_irn_dbg_info(node); + ir_mode *low_mode = env->low_unsigned; + unsigned idx; tarval *tv, *tv_l, *tv_h; ir_node *low, *high; - dbg_info *dbg = get_irn_dbg_info(node); - ir_node *block = get_nodes_block(node); - int idx; - ir_graph *irg = current_ir_graph; - ir_mode *low_mode = env->params->low_unsigned; tv = get_Const_tarval(node); tv_l = tarval_convert_to(tv, low_mode); - low = new_rd_Const(dbg, irg, block, low_mode, tv_l); + low = new_rd_Const(dbg, irg, tv_l); tv_h = tarval_convert_to(tarval_shrs(tv, env->tv_mode_bits), mode); - high = new_rd_Const(dbg, irg, block, mode, tv_h); + high = new_rd_Const(dbg, irg, tv_h); idx = get_irn_idx(node); assert(idx < env->n_entries); env->entries[idx]->low_word = low; env->entries[idx]->high_word = high; -} /* lower_Const */ +} /** * 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); + unsigned idx; + ir_cons_flags volatility = get_Load_volatility(node) == volatility_is_volatile + ? cons_volatile : 0; if (env->params->little_endian) { low = adr; - high = new_r_Add(irg, block, adr, - new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes), - get_irn_mode(adr)); + high = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr)); } else { - low = new_r_Add(irg, block, adr, - new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes), - get_irn_mode(adr)); + low = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr)); high = adr; - } /* if */ + } /* create two loads */ dbg = get_irn_dbg_info(node); - low = new_rd_Load(dbg, irg, block, mem, low, low_mode); - proj = new_r_Proj(irg, block, low, mode_M, pn_Load_M); - high = new_rd_Load(dbg, irg, block, proj, high, mode); - - set_Load_volatility(low, get_Load_volatility(node)); - set_Load_volatility(high, get_Load_volatility(node)); + low = new_rd_Load(dbg, block, mem, low, low_mode, volatility); + proj = new_r_Proj(low, mode_M, pn_Load_M); + high = new_rd_Load(dbg, block, proj, high, mode, volatility); idx = get_irn_idx(node); assert(idx < env->n_entries); @@ -404,29 +388,31 @@ static void lower_Load(ir_node *node, ir_mode *mode, lower_env_t *env) { 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); + env->entries[idx]->low_word = new_r_Proj(low, low_mode, pn_Load_res); + env->entries[idx]->high_word = new_r_Proj(high, mode, pn_Load_res); break; default: assert(0 && "unexpected Proj number"); - } /* switch */ + } /* 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; +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; + unsigned idx; node_entry_t *entry; - (void) node; + ir_cons_flags volatility = get_Store_volatility(node) == volatility_is_volatile + ? cons_volatile : 0; (void) mode; irn = get_Store_value(node); @@ -437,33 +423,26 @@ static void lower_Store(ir_node *node, ir_mode *mode, lower_env_t *env) { /* 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, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes), - get_irn_mode(adr)); + high = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr)); } else { - low = new_r_Add(irg, block, adr, - new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes), - get_irn_mode(adr)); + low = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr)); high = adr; - } /* if */ + } /* create two Stores */ dbg = get_irn_dbg_info(node); - low = new_rd_Store(dbg, irg, block, mem, low, entry->low_word); - proj = new_r_Proj(irg, block, low, mode_M, pn_Store_M); - high = new_rd_Store(dbg, irg, block, proj, high, entry->high_word); - - set_Store_volatility(low, get_Store_volatility(node)); - set_Store_volatility(high, get_Store_volatility(node)); + low = new_rd_Store(dbg, block, mem, low, entry->low_word, volatility); + proj = new_r_Proj(low, mode_M, pn_Store_M); + high = new_rd_Store(dbg, block, proj, high, entry->high_word, volatility); idx = get_irn_idx(node); assert(idx < env->n_entries); @@ -484,12 +463,12 @@ static void lower_Store(ir_node *node, ir_mode *mode, lower_env_t *env) { 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. @@ -498,12 +477,12 @@ static void lower_Store(ir_node *node, ir_mode *mode, lower_env_t *env) { * @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; @@ -523,24 +502,24 @@ static ir_node *get_intrinsic_address(ir_type *method, ir_op *op, 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) { +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; + unsigned idx; node_entry_t *entry; irn = get_Div_left(node); @@ -551,7 +530,7 @@ static void lower_Div(ir_node *node, ir_mode *mode, lower_env_t *env) { /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ + } in[0] = entry->low_word; in[1] = entry->high_word; @@ -564,29 +543,27 @@ static void lower_Div(ir_node *node, ir_mode *mode, lower_env_t *env) { /* 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_Div_mem(node), - irn, 4, in, mtp); + irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, env); + call = new_rd_Call(dbg, block, get_Div_mem(node), irn, 4, in, mtp); set_irn_pinned(call, get_irn_pinned(node)); - irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result); + irn = new_r_Proj(call, mode_T, pn_Call_T_result); for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) { switch (get_Proj_proj(proj)) { case pn_Div_M: /* Memory result. */ /* reroute to the call */ set_Proj_pred(proj, call); - set_Proj_proj(proj, pn_Call_M_except); + set_Proj_proj(proj, pn_Call_M); break; case pn_Div_X_except: /* Execution result if exception occurred. */ /* reroute to the call */ @@ -596,31 +573,31 @@ static void lower_Div(ir_node *node, ir_mode *mode, lower_env_t *env) { 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); + env->entries[idx]->low_word = new_r_Proj(irn, env->low_unsigned, 0); + env->entries[idx]->high_word = new_r_Proj(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_Div */ + } +} /** * Translate a Mod. * * Create an intrinsic Call. */ -static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env) { +static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env) +{ ir_node *block, *proj, *irn, *call; ir_node *in[4]; ir_mode *opmode; dbg_info *dbg; ir_type *mtp; - int idx; - ir_graph *irg; + unsigned idx; node_entry_t *entry; irn = get_Mod_left(node); @@ -631,7 +608,7 @@ static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env) { /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ + } in[0] = entry->low_word; in[1] = entry->high_word; @@ -644,29 +621,27 @@ static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env) { /* 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); + irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, env); + call = new_rd_Call(dbg, block, get_Mod_mem(node), irn, 4, in, mtp); set_irn_pinned(call, get_irn_pinned(node)); - irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result); + irn = new_r_Proj(call, mode_T, pn_Call_T_result); for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) { switch (get_Proj_proj(proj)) { case pn_Mod_M: /* Memory result. */ /* reroute to the call */ set_Proj_pred(proj, call); - set_Proj_proj(proj, pn_Call_M_except); + set_Proj_proj(proj, pn_Call_M); break; case pn_Mod_X_except: /* Execution result if exception occurred. */ /* reroute to the call */ @@ -676,24 +651,25 @@ static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env) { 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); + env->entries[idx]->low_word = new_r_Proj(irn, env->low_unsigned, 0); + env->entries[idx]->high_word = new_r_Proj(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) { +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; @@ -701,10 +677,9 @@ static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env) { ir_mode *opmode; dbg_info *dbg; ir_type *mtp; - int idx; + unsigned 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)) { @@ -712,8 +687,8 @@ static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env) { 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)]; @@ -723,7 +698,7 @@ static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env) { /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ + } in[0] = entry->low_word; in[1] = entry->high_word; @@ -736,14 +711,13 @@ static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env) { /* 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); @@ -751,29 +725,27 @@ static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env) { mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u; if (flags & 1) { opmode = get_irn_op_mode(node); - irn = get_intrinsic_address(mtp, op_Div, opmode, opmode, block, env); - callDiv = new_rd_Call(dbg, irg, block, mem, - irn, 4, in, mtp); + irn = get_intrinsic_address(mtp, op_Div, opmode, opmode, env); + callDiv = new_rd_Call(dbg, block, mem, irn, 4, in, mtp); set_irn_pinned(callDiv, get_irn_pinned(node)); - resDiv = new_r_Proj(irg, block, callDiv, mode_T, pn_Call_T_result); - } /* if */ + resDiv = new_r_Proj(callDiv, mode_T, pn_Call_T_result); + } if (flags & 2) { if (flags & 1) - mem = new_r_Proj(irg, block, callDiv, mode_M, pn_Call_M); + mem = new_r_Proj(callDiv, mode_M, pn_Call_M); opmode = get_irn_op_mode(node); - irn = get_intrinsic_address(mtp, op_Mod, opmode, opmode, block, env); - callMod = new_rd_Call(dbg, irg, block, mem, - irn, 4, in, mtp); + irn = get_intrinsic_address(mtp, op_Mod, opmode, opmode, env); + callMod = new_rd_Call(dbg, block, mem, irn, 4, in, mtp); set_irn_pinned(callMod, get_irn_pinned(node)); - resMod = new_r_Proj(irg, block, callMod, mode_T, pn_Call_T_result); - } /* if */ + resMod = new_r_Proj(callMod, mode_T, pn_Call_T_result); + } for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) { switch (get_Proj_proj(proj)) { case pn_DivMod_M: /* Memory result. */ /* reroute to the first call */ set_Proj_pred(proj, callDiv ? callDiv : (callMod ? callMod : mem)); - set_Proj_proj(proj, pn_Call_M_except); + set_Proj_proj(proj, pn_Call_M); break; case pn_DivMod_X_except: /* Execution result if exception occurred. */ /* reroute to the first call */ @@ -783,34 +755,35 @@ static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env) { 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); + env->entries[idx]->low_word = new_r_Proj(resDiv, env->low_unsigned, 0); + env->entries[idx]->high_word = new_r_Proj(resDiv, mode, 1); break; case pn_DivMod_res_mod: /* Result of Mod. */ idx = get_irn_idx(proj); - env->entries[idx]->low_word = new_r_Proj(irg, block, resMod, env->params->low_unsigned, 0); - env->entries[idx]->high_word = new_r_Proj(irg, block, resMod, mode, 1); + env->entries[idx]->low_word = new_r_Proj(resMod, env->low_unsigned, 0); + env->entries[idx]->high_word = new_r_Proj(resMod, 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_DivMod */ + } +} /** * Translate a Binop. * * Create an intrinsic Call. */ -static void lower_Binop(ir_node *node, ir_mode *mode, lower_env_t *env) { +static void lower_Binop(ir_node *node, ir_mode *mode, lower_env_t *env) +{ ir_node *block, *irn; ir_node *in[4]; dbg_info *dbg; ir_type *mtp; - int idx; + unsigned idx; ir_graph *irg; node_entry_t *entry; @@ -822,7 +795,7 @@ static void lower_Binop(ir_node *node, ir_mode *mode, lower_env_t *env) { /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ + } in[0] = entry->low_word; in[1] = entry->high_word; @@ -835,39 +808,39 @@ static void lower_Binop(ir_node *node, ir_mode *mode, lower_env_t *env) { /* 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; + irg = get_irn_irg(block); 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); + irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env); + irn = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 4, in, mtp); set_irn_pinned(irn, get_irn_pinned(node)); - irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result); + irn = new_r_Proj(irn, mode_T, pn_Call_T_result); idx = get_irn_idx(node); assert(idx < env->n_entries); - env->entries[idx]->low_word = new_r_Proj(irg, block, irn, env->params->low_unsigned, 0); - env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1); -} /* lower_Binop */ + env->entries[idx]->low_word = new_r_Proj(irn, env->low_unsigned, 0); + env->entries[idx]->high_word = new_r_Proj(irn, mode, 1); +} /** * Translate a Shiftop. * * Create an intrinsic Call. */ -static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env) { +static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env) +{ ir_node *block, *irn; ir_node *in[3]; dbg_info *dbg; ir_type *mtp; - int idx; + unsigned idx; ir_graph *irg; node_entry_t *entry; @@ -879,179 +852,274 @@ static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env) { /* 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); + assert(get_irn_mode(in[2]) != env->high_signed + && get_irn_mode(in[2]) != env->high_unsigned); dbg = get_irn_dbg_info(node); block = get_nodes_block(node); - irg = current_ir_graph; + irg = get_irn_irg(block); 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); + irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env); + irn = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 3, in, mtp); set_irn_pinned(irn, get_irn_pinned(node)); - irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result); + irn = new_r_Proj(irn, mode_T, pn_Call_T_result); idx = get_irn_idx(node); assert(idx < env->n_entries); - env->entries[idx]->low_word = new_r_Proj(irg, block, irn, env->params->low_unsigned, 0); - env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1); -} /* lower_Shiftop */ + env->entries[idx]->low_word = new_r_Proj(irn, env->low_unsigned, 0); + env->entries[idx]->high_word = new_r_Proj(irn, mode, 1); +} /** * 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); if (tarval_is_long(tv) && - get_tarval_long(tv) >= (int) get_mode_size_bits(mode)) { - ir_node *block = get_nodes_block(node); - ir_node *left = get_Shr_left(node); + 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_mode *low_unsigned = env->low_unsigned; ir_node *c; long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode); - int idx = get_irn_idx(left); + unsigned idx = get_irn_idx(left); left = env->entries[idx]->high_word; + if (left == NULL) { + /* not ready yet, wait */ + pdeq_putr(env->waitq, node); + return; + } + idx = get_irn_idx(node); + /* 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, block, mode_Iu, shf_cnt); - env->entries[idx]->low_word = new_r_Shr(irg, block, left, c, mode); + c = new_r_Const_long(irg, low_unsigned, shf_cnt); + env->entries[idx]->low_word = 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, block, mode, get_mode_null(mode)); + } + env->entries[idx]->high_word = new_r_Const(irg, get_mode_null(mode)); 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) >= (int) get_mode_size_bits(mode)) { + get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) { ir_mode *mode_l; ir_node *block = get_nodes_block(node); ir_node *left = get_Shl_left(node); ir_node *c; long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode); - int idx = get_irn_idx(left); + unsigned idx = get_irn_idx(left); + + left = env->entries[idx]->low_word; + if (left == NULL) { + /* not ready yet, wait */ + pdeq_putr(env->waitq, node); + return; + } - left = new_r_Conv(irg, block, env->entries[idx]->low_word, mode); + left = new_r_Conv(block, left, mode); idx = get_irn_idx(node); + mode_l = env->low_unsigned; if (shf_cnt > 0) { - c = new_r_Const_long(irg, block, mode_Iu, shf_cnt); - env->entries[idx]->high_word = new_r_Shl(irg, block, left, c, mode); + c = new_r_Const_long(irg, mode_l, shf_cnt); + env->entries[idx]->high_word = new_r_Shl(block, left, c, mode); } else { env->entries[idx]->high_word = left; - } /* if */ - mode_l = env->params->low_unsigned; - env->entries[idx]->low_word = new_r_Const(irg, block, mode_l, get_mode_null(mode_l)); + } + env->entries[idx]->low_word = new_r_Const(irg, get_mode_null(mode_l)); return; - } /* if */ - } /* if */ + } + } 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); if (tarval_is_long(tv) && - get_tarval_long(tv) >= (int) get_mode_size_bits(mode)) { - ir_node *block = get_nodes_block(node); - ir_node *left = get_Shrs_left(node); - long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode); + get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) { + ir_node *block = get_nodes_block(node); + ir_node *left = get_Shrs_left(node); + ir_mode *low_unsigned = env->low_unsigned; + long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode); + unsigned idx = get_irn_idx(left); + ir_node *left_unsigned = left; + ir_node *low; ir_node *c; - int idx = get_irn_idx(left); left = env->entries[idx]->high_word; + if (left == NULL) { + /* not ready yet, wait */ + pdeq_putr(env->waitq, node); + return; + } + idx = get_irn_idx(node); + /* 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); if (shf_cnt > 0) { - c = new_r_Const_long(irg, block, mode_Iu, shf_cnt); - env->entries[idx]->low_word = new_r_Shrs(irg, block, left, c, mode); + c = new_r_Const_long(irg, low_unsigned, shf_cnt); + low = new_r_Shrs(block, left_unsigned, c, low_unsigned); } else { - env->entries[idx]->low_word = left; - } /* if */ - c = new_r_Const_long(irg, block, mode_Iu, get_mode_size_bits(mode) - 1); - env->entries[idx]->high_word = new_r_Shrs(irg, block, left, c, mode); + low = left_unsigned; + } + /* low word is expected to have low_unsigned */ + env->entries[idx]->low_word = new_r_Conv(block, low, low_unsigned); + + c = new_r_Const_long(irg, low_unsigned, + get_mode_size_bits(mode) - 1); + env->entries[idx]->high_word = new_r_Shrs(block, left, c, mode); return; - } /* if */ - } /* if */ + } + } lower_Shiftop(node, mode, env); -} /* lower_Shrs */ +} /** - * Translate a Rot and handle special cases. + * Rebuild Rotl nodes into Or(Shl, Shr) and prepare all nodes. */ -static void lower_Rot(ir_node *node, ir_mode *mode, lower_env_t *env) { - ir_node *right = get_Rot_right(node); - - if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) { - tarval *tv = get_Const_tarval(right); +static void prepare_links_and_handle_rotl(ir_node *node, void *env) +{ + lower_env_t *lenv = env; + + if (is_Rotl(node)) { + ir_mode *mode = get_irn_op_mode(node); + if (mode == lenv->high_signed || + mode == lenv->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; + + if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) { + tarval *tv = get_Const_tarval(right); + + if (tarval_is_long(tv) && + get_tarval_long(tv) == (long)get_mode_size_bits(mode)) { + /* will be optimized in lower_Rotl() */ + return; + } + } + + /* replace the Rotl(x,y) by an Or(Shl(x,y), Shr(x,64-y)) and lower those */ + 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); + + /* optimization must be switched off here, or we will get the Rotl back */ + save_optimization_state(&state); + set_opt_algebraic_simplification(0); + or = new_rd_Or(dbg, block, shl, shr, omode); + restore_optimization_state(&state); + + exchange(node, or); + + /* do lowering on the new nodes */ + prepare_links(shl, env); + prepare_links(c, env); + prepare_links(sub, env); + prepare_links(shr, env); + prepare_links(or, env); + } + } else { + prepare_links(node, env); + } +} - if (tarval_is_long(tv) && - get_tarval_long(tv) == (int) get_mode_size_bits(mode)) { - ir_node *left = get_Rot_left(node); - ir_node *h, *l; - int idx = get_irn_idx(left); +/** + * 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; + unsigned idx = get_irn_idx(left); + (void) right; + (void) mode; - l = env->entries[idx]->low_word; - h = env->entries[idx]->high_word; - idx = get_irn_idx(node); + 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)); - env->entries[idx]->low_word = h; - env->entries[idx]->high_word = l; + l = env->entries[idx]->low_word; + h = env->entries[idx]->high_word; + idx = get_irn_idx(node); - return; - } /* if */ - } /* if */ - lower_Shiftop(node, mode, env); -} /* lower_Rot */ + env->entries[idx]->low_word = h; + env->entries[idx]->high_word = l; +} /** * Translate an Unop. * * Create an intrinsic Call. */ -static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env) { +static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env) +{ ir_node *block, *irn; ir_node *in[2]; dbg_info *dbg; ir_type *mtp; - int idx; ir_graph *irg; + unsigned idx; node_entry_t *entry; irn = get_unop_op(node); @@ -1062,27 +1130,26 @@ static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env) { /* 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; + irg = get_irn_irg(block); 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); + irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env); + irn = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 2, in, mtp); set_irn_pinned(irn, get_irn_pinned(node)); - irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result); + irn = new_r_Proj(irn, mode_T, pn_Call_T_result); idx = get_irn_idx(node); assert(idx < env->n_entries); - env->entries[idx]->low_word = new_r_Proj(irg, block, irn, env->params->low_unsigned, 0); - env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1); -} /* lower_Unop */ + env->entries[idx]->low_word = new_r_Proj(irn, env->low_unsigned, 0); + env->entries[idx]->high_word = new_r_Proj(irn, mode, 1); +} /** * Translate a logical Binop. @@ -1090,11 +1157,11 @@ static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env) { * Create two logical Binops. */ static void lower_Binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env, - ir_node *(*constr_rd)(dbg_info *db, ir_graph *irg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) ) { + ir_node *(*constr_rd)(dbg_info *db, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) ) { ir_node *block, *irn; ir_node *lop_l, *lop_h, *rop_l, *rop_h; dbg_info *dbg; - int idx; + unsigned idx; ir_graph *irg; node_entry_t *entry; @@ -1106,7 +1173,7 @@ static void lower_Binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env, /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ + } lop_l = entry->low_word; lop_h = entry->high_word; @@ -1119,7 +1186,7 @@ static void lower_Binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env, /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ + } rop_l = entry->low_word; rop_h = entry->high_word; @@ -1129,12 +1196,12 @@ static void lower_Binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env, 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 */ + irg = get_irn_irg(node); + env->entries[idx]->low_word = constr_rd(dbg, block, lop_l, rop_l, env->low_unsigned); + env->entries[idx]->high_word = constr_rd(dbg, block, lop_h, rop_h, mode); +} -/** create a logical operation tranformation */ +/** create a logical operation transformation */ #define lower_logical(op) \ static void lower_##op(ir_node *node, ir_mode *mode, lower_env_t *env) { \ lower_Binop_logical(node, mode, env, new_rd_##op); \ @@ -1149,12 +1216,12 @@ lower_logical(Eor) * * Create two logical Nots. */ -static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env) { +static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env) +{ ir_node *block, *irn; ir_node *op_l, *op_h; dbg_info *dbg; - int idx; - ir_graph *irg; + unsigned idx; node_entry_t *entry; irn = get_Not_op(node); @@ -1165,29 +1232,29 @@ static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env) { /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ + } op_l = entry->low_word; op_h = entry->high_word; dbg = get_irn_dbg_info(node); block = get_nodes_block(node); - irg = current_ir_graph; idx = get_irn_idx(node); assert(idx < env->n_entries); - env->entries[idx]->low_word = new_rd_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 */ + env->entries[idx]->low_word = new_rd_Not(dbg, block, op_l, env->low_unsigned); + env->entries[idx]->high_word = new_rd_Not(dbg, block, op_h, mode); +} /** * Translate a Cond. */ -static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) { +static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) +{ ir_node *cmp, *left, *right, *block; ir_node *sel = get_Cond_selector(node); ir_mode *m = get_irn_mode(sel); - int idx; + unsigned idx; (void) mode; if (m == mode_b) { @@ -1196,15 +1263,15 @@ static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) { ir_node *new_bl, *cmpH, *cmpL, *irn; ir_node *projHF, *projHT; ir_node *dst_blk; - ir_graph *irg; pn_Cmp pnc; + ir_graph *irg; dbg_info *dbg; - if(!is_Proj(sel)) + if (!is_Proj(sel)) return; cmp = get_Proj_pred(sel); - if(!is_Cmp(cmp)) + if (!is_Cmp(cmp)) return; left = get_Cmp_left(cmp); @@ -1214,7 +1281,7 @@ static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) { if (! lentry) { /* a normal Cmp */ return; - } /* if */ + } right = get_Cmp_right(cmp); idx = get_irn_idx(right); @@ -1225,7 +1292,7 @@ static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) { /* not yet ready */ pdeq_putr(env->waitq, node); return; - } /* if */ + } /* all right, build the code */ for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) { @@ -1238,33 +1305,33 @@ static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) { 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(cmp); + block = get_nodes_block(node); + irg = get_Block_irg(block); dbg = get_irn_dbg_info(cmp); - irg = current_ir_graph; pnc = get_Proj_proj(sel); if (is_Const(right) && is_Const_null(right)) { if (pnc == pn_Cmp_Eq || pnc == pn_Cmp_Lg) { /* x ==/!= 0 ==> or(low,high) ==/!= 0 */ - ir_mode *mode = env->params->low_unsigned; - ir_node *low = new_r_Conv(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); - exchange(sel, proj); + 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 *or = new_rd_Or(dbg, block, low, high, mode); + ir_node *cmp = new_rd_Cmp(dbg, block, or, new_r_Const_long(irg, mode, 0)); + + ir_node *proj = new_r_Proj(cmp, mode_b, pnc); + set_Cond_selector(node, proj); return; } } - cmpH = new_rd_Cmp(dbg, irg, block, lentry->high_word, rentry->high_word); + cmpH = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word); if (pnc == pn_Cmp_Eq) { /* simple case:a == b <==> a_h == b_h && a_l == b_l */ @@ -1273,30 +1340,30 @@ static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) { assert(entry); dst_blk = entry->value; - irn = new_r_Proj(irg, block, cmpH, mode_b, pn_Cmp_Eq); + irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Eq); dbg = get_irn_dbg_info(node); - irn = new_rd_Cond(dbg, irg, block, irn); + irn = new_rd_Cond(dbg, block, irn); - projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false); + projHF = new_r_Proj(irn, mode_X, pn_Cond_false); mark_irn_visited(projHF); exchange(projF, projHF); - projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true); + projHT = new_r_Proj(irn, mode_X, pn_Cond_true); mark_irn_visited(projHT); new_bl = new_r_Block(irg, 1, &projHT); dbg = get_irn_dbg_info(cmp); - cmpL = new_rd_Cmp(dbg, irg, new_bl, lentry->low_word, rentry->low_word); - irn = new_r_Proj(irg, new_bl, cmpL, mode_b, pn_Cmp_Eq); + cmpL = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word); + irn = new_r_Proj(cmpL, mode_b, pn_Cmp_Eq); dbg = get_irn_dbg_info(node); - irn = new_rd_Cond(dbg, irg, new_bl, irn); + irn = new_rd_Cond(dbg, new_bl, irn); - proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_false); + proj = new_r_Proj(irn, mode_X, pn_Cond_false); mark_irn_visited(proj); add_block_cf_input(dst_blk, projHF, proj); - proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_true); + proj = new_r_Proj(irn, mode_X, pn_Cond_true); mark_irn_visited(proj); exchange(projT, proj); } else if (pnc == pn_Cmp_Lg) { @@ -1306,30 +1373,30 @@ static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) { assert(entry); dst_blk = entry->value; - irn = new_r_Proj(irg, block, cmpH, mode_b, pn_Cmp_Lg); + irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Lg); dbg = get_irn_dbg_info(node); - irn = new_rd_Cond(dbg, irg, block, irn); + irn = new_rd_Cond(dbg, block, irn); - projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true); + projHT = new_r_Proj(irn, mode_X, pn_Cond_true); mark_irn_visited(projHT); exchange(projT, projHT); - projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false); + projHF = new_r_Proj(irn, mode_X, pn_Cond_false); mark_irn_visited(projHF); new_bl = new_r_Block(irg, 1, &projHF); dbg = get_irn_dbg_info(cmp); - cmpL = new_rd_Cmp(dbg, irg, new_bl, lentry->low_word, rentry->low_word); - irn = new_r_Proj(irg, new_bl, cmpL, mode_b, pn_Cmp_Lg); + cmpL = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word); + irn = new_r_Proj(cmpL, mode_b, pn_Cmp_Lg); dbg = get_irn_dbg_info(node); - irn = new_rd_Cond(dbg, irg, new_bl, irn); + irn = new_rd_Cond(dbg, new_bl, irn); - proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_true); + proj = new_r_Proj(irn, mode_X, pn_Cond_true); mark_irn_visited(proj); add_block_cf_input(dst_blk, projHT, proj); - proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_false); + proj = new_r_Proj(irn, mode_X, pn_Cond_false); mark_irn_visited(proj); exchange(projF, proj); } else { @@ -1345,47 +1412,47 @@ static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) { assert(entry); dstF = entry->value; - irn = new_r_Proj(irg, block, cmpH, mode_b, pnc & ~pn_Cmp_Eq); + irn = new_r_Proj(cmpH, mode_b, pnc & ~pn_Cmp_Eq); dbg = get_irn_dbg_info(node); - irn = new_rd_Cond(dbg, irg, block, irn); + irn = new_rd_Cond(dbg, block, irn); - projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true); + projHT = new_r_Proj(irn, mode_X, pn_Cond_true); mark_irn_visited(projHT); exchange(projT, projHT); projT = projHT; - projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false); + projHF = new_r_Proj(irn, mode_X, pn_Cond_false); mark_irn_visited(projHF); newbl_eq = new_r_Block(irg, 1, &projHF); - irn = new_r_Proj(irg, newbl_eq, cmpH, mode_b, pn_Cmp_Eq); - irn = new_rd_Cond(dbg, irg, newbl_eq, irn); + irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Eq); + irn = new_rd_Cond(dbg, newbl_eq, irn); - proj = new_r_Proj(irg, newbl_eq, irn, mode_X, pn_Cond_false); + proj = new_r_Proj(irn, mode_X, pn_Cond_false); mark_irn_visited(proj); exchange(projF, proj); projF = proj; - proj = new_r_Proj(irg, newbl_eq, irn, mode_X, pn_Cond_true); + proj = new_r_Proj(irn, mode_X, pn_Cond_true); mark_irn_visited(proj); newbl_l = new_r_Block(irg, 1, &proj); dbg = get_irn_dbg_info(cmp); - cmpL = new_rd_Cmp(dbg, irg, newbl_l, lentry->low_word, rentry->low_word); - irn = new_r_Proj(irg, newbl_l, cmpL, mode_b, pnc); + cmpL = new_rd_Cmp(dbg, newbl_l, lentry->low_word, rentry->low_word); + irn = new_r_Proj(cmpL, mode_b, pnc); dbg = get_irn_dbg_info(node); - irn = new_rd_Cond(dbg, irg, newbl_l, irn); + irn = new_rd_Cond(dbg, newbl_l, irn); - proj = new_r_Proj(irg, newbl_l, irn, mode_X, pn_Cond_true); + proj = new_r_Proj(irn, mode_X, pn_Cond_true); mark_irn_visited(proj); add_block_cf_input(dstT, projT, proj); - proj = new_r_Proj(irg, newbl_l, irn, mode_X, pn_Cond_false); + proj = new_r_Proj(irn, mode_X, pn_Cond_false); mark_irn_visited(proj); add_block_cf_input(dstF, projF, proj); - } /* if */ + } /* we have changed the control flow */ env->flags |= CF_CHANGED; @@ -1404,241 +1471,166 @@ static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) { /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ + } set_Cond_selector(node, env->entries[idx]->low_word); - } /* if */ - } /* if */ -} /* lower_Cond */ + } + } +} /** * 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(mode_Iu, get_mode_size_bits(dst_mode_h) - 1), dst_mode_h); - } else { - env->entries[idx]->high_word = new_Const(dst_mode_h, 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); +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); + unsigned idx = get_irn_idx(node); + ir_graph *irg = get_irn_irg(node); + ir_node *block = get_nodes_block(node); + dbg_info *dbg = get_irn_dbg_info(node); + node_entry_t *entry = env->entries[idx]; + ir_mode *low_unsigned = env->low_unsigned; + ir_mode *low_signed + = mode_is_signed(omode) ? env->low_signed : low_unsigned; assert(idx < env->n_entries); if (mode_is_int(imode) || mode_is_reference(imode)) { - if (imode == env->params->high_signed) { - /* a Conv from Ls to Lu */ - int op_idx = get_irn_idx(op); + if (imode == env->high_signed + || imode == env->high_unsigned) { + /* a Conv from Lu to Ls or Ls to Lu */ + unsigned op_idx = get_irn_idx(op); + node_entry_t *op_entry = env->entries[op_idx]; - if (! env->entries[op_idx]->low_word) { + if (! op_entry->low_word) { /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ - env->entries[idx]->low_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->low_word, dst_mode); - env->entries[idx]->high_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->high_word, dst_mode); + } + entry->low_word = op_entry->low_word; + entry->high_word = new_rd_Conv(dbg, block, op_entry->high_word, + low_signed); } else { /* simple case: create a high word */ - if (imode != dst_mode) - op = new_rd_Conv(dbg, irg, block, op, dst_mode); + if (imode != low_unsigned) + op = new_rd_Conv(dbg, block, op, low_unsigned); - env->entries[idx]->low_word = op; + entry->low_word = op; if (mode_is_signed(imode)) { - env->entries[idx]->high_word = new_rd_Shrs(dbg, irg, block, op, - new_Const_long(mode_Iu, get_mode_size_bits(dst_mode) - 1), dst_mode); + 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); + entry->high_word = new_rd_Shrs(dbg, block, op, cnst, + low_signed); } else { - env->entries[idx]->high_word = new_Const(dst_mode, get_mode_null(dst_mode)); - } /* if */ - } /* if */ + entry->high_word = new_r_Const(irg, get_mode_null(low_signed)); + } + } + } else if (imode == mode_b) { + entry->low_word = new_rd_Conv(dbg, block, op, low_unsigned); + entry->high_word = new_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); - set_irn_pinned(call, get_irn_pinned(node)); - irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result); - - env->entries[idx]->low_word = new_r_Proj(irg, block, irn, dst_mode, 0); - env->entries[idx]->high_word = new_r_Proj(irg, block, irn, dst_mode, 1); - } /* if */ -} /* lower_Conv_to_Lu */ - -/** - * Translate a Conv from higher_signed - */ -static void lower_Conv_from_Ls(ir_node *node, lower_env_t *env) { - ir_node *op = get_Conv_op(node); - ir_mode *omode = get_irn_mode(node); - ir_node *block = get_nodes_block(node); - dbg_info *dbg = get_irn_dbg_info(node); - int idx = get_irn_idx(op); - ir_graph *irg = current_ir_graph; - - assert(idx < env->n_entries); - - if (! env->entries[idx]->low_word) { - /* not ready yet, wait */ - pdeq_putr(env->waitq, node); - 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_signed) - op = new_rd_Conv(dbg, irg, block, op, omode); - - set_Conv_op(node, op); - } else { - ir_node *irn, *call, *in[2]; - ir_mode *imode = env->params->high_signed; ir_type *mtp = get_conv_type(imode, omode, env); - irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env); - in[0] = env->entries[idx]->low_word; - in[1] = env->entries[idx]->high_word; - - call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 2, in, mtp); + 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); - exchange(node, new_r_Proj(irg, block, irn, omode, 0)); - } /* if */ -} /* lower_Conv_from_Ls */ + entry->low_word = new_r_Proj(irn, low_unsigned, 0); + entry->high_word = new_r_Proj(irn, low_signed, 1); + } +} /** * Translate a Conv from higher_unsigned */ -static void lower_Conv_from_Lu(ir_node *node, lower_env_t *env) { - ir_node *op = get_Conv_op(node); - ir_mode *omode = get_irn_mode(node); - ir_node *block = get_nodes_block(node); - dbg_info *dbg = get_irn_dbg_info(node); - int idx = get_irn_idx(op); - ir_graph *irg = current_ir_graph; +static void lower_Conv_from_Ll(ir_node *node, lower_env_t *env) +{ + ir_node *op = get_Conv_op(node); + ir_mode *omode = get_irn_mode(node); + ir_node *block = get_nodes_block(node); + dbg_info *dbg = get_irn_dbg_info(node); + unsigned idx = get_irn_idx(op); + ir_graph *irg = get_irn_irg(node); + node_entry_t *entry = env->entries[idx]; assert(idx < env->n_entries); - if (! env->entries[idx]->low_word) { + if (! entry->low_word) { /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ + } if (mode_is_int(omode) || mode_is_reference(omode)) { - op = env->entries[idx]->low_word; + op = entry->low_word; /* simple case: create a high word */ - if (omode != env->params->low_unsigned) - op = new_rd_Conv(dbg, irg, block, op, omode); + 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 *or = new_rd_Or(dbg, block, entry->low_word, entry->high_word, + mode); + set_Conv_op(node, or); } else { ir_node *irn, *call, *in[2]; - ir_mode *imode = env->params->high_unsigned; - ir_type *mtp = get_conv_type(imode, omode, env); + ir_mode *imode = get_irn_mode(op); + ir_type *mtp = get_conv_type(imode, omode, env); - irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env); - in[0] = env->entries[idx]->low_word; - in[1] = env->entries[idx]->high_word; + irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env); + in[0] = entry->low_word; + in[1] = entry->high_word; - call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 2, in, mtp); + call = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 2, in, mtp); set_irn_pinned(call, get_irn_pinned(node)); - irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result); + irn = new_r_Proj(call, mode_T, pn_Call_T_result); - exchange(node, new_r_Proj(irg, block, irn, omode, 0)); - } /* if */ -} /* lower_Conv_from_Lu */ + exchange(node, new_r_Proj(irn, omode, 0)); + } +} /** * Translate a Conv. */ -static void lower_Conv(ir_node *node, ir_mode *mode, lower_env_t *env) { +static void lower_Conv(ir_node *node, ir_mode *mode, lower_env_t *env) +{ mode = get_irn_mode(node); - if (mode == env->params->high_signed) { - lower_Conv_to_Ls(node, env); - } else if (mode == env->params->high_unsigned) { - lower_Conv_to_Lu(node, env); + if (mode == env->high_signed + || mode == env->high_unsigned) { + lower_Conv_to_Ll(node, env); } else { ir_mode *mode = get_irn_mode(get_Conv_op(node)); - if (mode == env->params->high_signed) { - lower_Conv_from_Ls(node, env); - } else if (mode == env->params->high_unsigned) { - lower_Conv_from_Lu(node, env); - } /* if */ - } /* if */ -} /* lower_Conv */ + if (mode == env->high_signed + || mode == env->high_unsigned) { + lower_Conv_from_Ll(node, env); + } + } +} /** * Lower the method type. + * + * @param mtp the method type to lower + * @param ent the lower environment + * + * @return the lowered type */ -static ir_type *lower_mtp(ir_type *mtp, lower_env_t *env) { +static ir_type *lower_mtp(ir_type *mtp, lower_env_t *env) +{ pmap_entry *entry; - ident *id; - ir_type *res; + ident *lid; + ir_type *res, *value_type; if (is_lowered_type(mtp)) return mtp; @@ -1655,11 +1647,11 @@ static ir_type *lower_mtp(ir_type *mtp, lower_env_t *env) { 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); @@ -1669,14 +1661,13 @@ static ir_type *lower_mtp(ir_type *mtp, lower_env_t *env) { 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 = 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) { @@ -1685,56 +1676,96 @@ static ir_type *lower_mtp(ir_type *mtp, lower_env_t *env) { 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) { 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 (i = n_param = 0; i < n; ++i) { + ir_type *tp = get_method_param_type(mtp, i); + ident *id = get_method_param_ident(mtp, i); + ir_entity *ent = get_method_value_param_ent(mtp, i); + + set_entity_link(ent, INT_TO_PTR(n_param)); + if (is_Primitive_type(tp)) { + ir_mode *mode = get_type_mode(tp); + + if (mode == env->high_signed || mode == env->high_unsigned) { + if (id != NULL) { + lid = id_mangle(id, env->first_id); + set_method_param_ident(res, n_param, lid); + set_entity_ident(get_method_value_param_ent(res, n_param), lid); + lid = id_mangle(id, env->next_id); + set_method_param_ident(res, n_param + 1, lid); + set_entity_ident(get_method_value_param_ent(res, n_param + 1), lid); + } + n_param += 2; + continue; + } + } + if (id != NULL) { + set_method_param_ident(res, n_param, id); + set_entity_ident(get_method_value_param_ent(res, n_param), id); + } + ++n_param; + } + + set_lowered_type(value_type, get_method_value_param_type(res)); + } } else { res = entry->value; - } /* if */ + } 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; + int i, j, n; + unsigned idx; + int need_conv = 0; (void) mode; /* check if this return must be lowered */ @@ -1742,17 +1773,17 @@ static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env) { 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) { + if (mode == env->high_signed || + mode == env->high_unsigned) { idx = get_irn_idx(pred); if (! env->entries[idx]->low_word) { /* not ready yet, wait */ pdeq_putr(env->waitq, node); return; - } /* if */ + } need_conv = 1; - } /* if */ - } /* for */ + } + } if (! need_conv) return; @@ -1777,17 +1808,18 @@ static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env) { in[++j] = env->entries[idx]->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; @@ -1800,7 +1832,7 @@ static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env) { mtp = get_associated_type(tp); } else { mtp = tp; - } /* if */ + } assert(! is_lowered_type(mtp)); n_params = get_method_n_params(mtp); @@ -1817,11 +1849,11 @@ static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env) { 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) ++j; - } /* if */ - } /* for */ + } + } if (i == j) return; @@ -1838,7 +1870,7 @@ static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env) { for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) { ir_node *pred = get_Proj_pred(proj); long proj_nr; - int idx; + unsigned idx; ir_mode *mode; dbg_info *dbg; @@ -1853,31 +1885,31 @@ static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env) { idx = get_irn_idx(proj); if (env->entries[idx]) { - ir_mode *low_mode = env->params->low_unsigned; + ir_mode *low_mode = env->low_unsigned; mode = get_irn_mode(proj); - if (mode == env->params->high_signed) { - mode = env->params->low_signed; + if (mode == env->high_signed) { + mode = env->low_signed; } else { - mode = env->params->low_unsigned; - } /* if */ + mode = env->low_unsigned; + } 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]); + new_rd_Proj(dbg, args, low_mode, new_projs[proj_nr]); env->entries[idx]->high_word = - new_rd_Proj(dbg, irg, get_nodes_block(proj), args, mode, new_projs[proj_nr] + 1); - } /* if */ - } /* for */ + new_rd_Proj(dbg, args, mode, new_projs[proj_nr] + 1); + } + } 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; @@ -1890,7 +1922,7 @@ static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env) { call_tp = get_associated_type(tp); } else { call_tp = tp; - } /* if */ + } assert(! is_lowered_type(call_tp)); @@ -1901,13 +1933,13 @@ static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env) { 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) { need_lower = 1; break; - } /* if */ - } /* if */ - } /* for */ + } + } + } n_res = get_method_n_ress(call_tp); if (n_res > 0) { NEW_ARR_A(long, res_numbers, n_res); @@ -1919,14 +1951,14 @@ static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env) { 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) { need_lower = 1; ++j; - } /* if */ - } /* if */ - } /* for */ - } /* if */ + } + } + } + } if (! need_lower) return; @@ -1942,7 +1974,7 @@ static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env) { for (j = 2, i = 0; i < n_params; ++i) { ir_node *pred = get_Call_param(node, i); - int idx = get_irn_idx(pred); + unsigned idx = get_irn_idx(pred); if (env->entries[idx]) { if (! env->entries[idx]->low_word) { @@ -1954,8 +1986,8 @@ static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env) { in[j++] = env->entries[idx]->high_word; } else { in[j++] = pred; - } /* if */ - } /* for */ + } + } set_irn_in(node, j, in); @@ -1968,10 +2000,10 @@ static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env) { /* found the result proj */ results = proj; break; - } /* if */ - } /* for */ + } + } - if (results) { /* there are results */ + if (results) { /* there are results */ int rem = get_optimize(); /* switch off optimization for new Proj nodes or they might be CSE'ed @@ -1980,60 +2012,63 @@ static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env) { for (i = j = 0, proj = get_irn_link(results); proj; proj = get_irn_link(proj), ++i, ++j) { if (get_Proj_pred(proj) == results) { long proj_nr = get_Proj_proj(proj); - int idx; + unsigned idx; /* 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; + ir_mode *low_mode = env->low_unsigned; dbg_info *dbg; - if (mode == env->params->high_signed) { - mode = env->params->low_signed; + if (mode == env->high_signed) { + mode = env->low_signed; } else { - mode = env->params->low_unsigned; - } /* if */ + mode = env->low_unsigned; + } 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]); + new_rd_Proj(dbg, results, low_mode, res_numbers[proj_nr]); env->entries[idx]->high_word = - new_rd_Proj(dbg, irg, get_nodes_block(proj), results, mode, res_numbers[proj_nr] + 1); - } /* if */ + new_rd_Proj(dbg, results, mode, res_numbers[proj_nr] + 1); + } mark_irn_visited(proj); - } /* if */ - } /* for */ + } + } 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; +static void lower_Unknown(ir_node *node, ir_mode *mode, lower_env_t *env) +{ + unsigned idx = get_irn_idx(node); + ir_graph *irg = get_irn_irg(node); + ir_mode *low_mode = env->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 */ +} /** * 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; +static void lower_Phi(ir_node *phi, ir_mode *mode, lower_env_t *env) +{ + ir_mode *mode_l = env->low_unsigned; + ir_graph *irg = get_irn_irg(phi); ir_node *block, *unk_l, *unk_h, *phi_l, *phi_h; ir_node **inl, **inh; dbg_info *dbg; - int idx, i, arity = get_Phi_n_preds(phi); - int enq = 0; + unsigned idx; + int i, arity = get_Phi_n_preds(phi); + int enq = 0; idx = get_irn_idx(phi); if (env->entries[idx]->low_word) { @@ -2043,7 +2078,7 @@ static void lower_Phi(ir_node *phi, ir_mode *mode, lower_env_t *env) { for (i = 0; i < arity; ++i) { ir_node *pred = get_Phi_pred(phi, i); - int idx = get_irn_idx(pred); + unsigned idx = get_irn_idx(pred); if (env->entries[idx]->low_word) { set_Phi_pred(phil, i, env->entries[idx]->low_word); @@ -2052,19 +2087,19 @@ static void lower_Phi(ir_node *phi, ir_mode *mode, lower_env_t *env) { /* still not ready */ pdeq_putr(env->waitq, phi); return; - } /* if */ - } /* for */ - } /* if */ + } + } + } /* 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); + unk_l = new_r_Dummy(irg, mode_l); + unk_h = new_r_Dummy(irg, mode); for (i = 0; i < arity; ++i) { ir_node *pred = get_Phi_pred(phi, i); - int idx = get_irn_idx(pred); + unsigned idx = get_irn_idx(pred); if (env->entries[idx]->low_word) { inl[i] = env->entries[idx]->low_word; @@ -2073,108 +2108,159 @@ static void lower_Phi(ir_node *phi, ir_mode *mode, lower_env_t *env) { inl[i] = unk_l; inh[i] = unk_h; enq = 1; - } /* if */ - } /* for */ + } + } dbg = get_irn_dbg_info(phi); block = get_nodes_block(phi); 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); + env->entries[idx]->low_word = phi_l = new_rd_Phi(dbg, block, arity, inl, mode_l); + env->entries[idx]->high_word = phi_h = new_rd_Phi(dbg, block, arity, inh, mode); - /* Don't forget to link the new Phi nodes into the block! */ - set_irn_link(phi_l, get_irn_link(block)); - set_irn_link(phi_h, phi_l); - set_irn_link(block, phi_h); + /* Don't forget to link the new Phi nodes into the block. + * Beware that some Phis might be optimized away. */ + if (is_Phi(phi_l)) + add_Block_phi(block, phi_l); + if (is_Phi(phi_h)) + add_Block_phi(block, phi_h); if (enq) { /* not yet finished */ pdeq_putr(env->waitq, phi); - } /* if */ -} /* lower_Phi */ + } +} /** - * Translate a Psi. + * Translate a Mux. */ -static void lower_Psi(ir_node *psi, ir_mode *mode, lower_env_t *env) { - ir_graph *irg = current_ir_graph; +static void lower_Mux(ir_node *mux, ir_mode *mode, lower_env_t *env) +{ ir_node *block, *val; - ir_node **valsl, **valsh, **conds; + ir_node *true_l, *true_h, *false_l, *false_h, *sel; dbg_info *dbg; - int idx, i, n_conds = get_Psi_n_conds(psi); + unsigned idx; - /* first create a new in array */ - NEW_ARR_A(ir_node *, valsl, n_conds + 1); - NEW_ARR_A(ir_node *, valsh, n_conds + 1); + val = get_Mux_true(mux); + idx = get_irn_idx(val); + if (env->entries[idx]->low_word) { + /* Values already build */ + true_l = env->entries[idx]->low_word; + true_h = env->entries[idx]->high_word; + } else { + /* still not ready */ + pdeq_putr(env->waitq, mux); + return; + } - for (i = 0; i < n_conds; ++i) { - val = get_Psi_val(psi, i); - idx = get_irn_idx(val); - if (env->entries[idx]->low_word) { - /* Values already build */ - valsl[i] = env->entries[idx]->low_word; - valsh[i] = env->entries[idx]->high_word; - } else { - /* still not ready */ - pdeq_putr(env->waitq, psi); - return; - } /* if */ - } /* for */ - val = get_Psi_default(psi); + val = get_Mux_false(mux); idx = get_irn_idx(val); if (env->entries[idx]->low_word) { /* Values already build */ - valsl[i] = env->entries[idx]->low_word; - valsh[i] = env->entries[idx]->high_word; + false_l = env->entries[idx]->low_word; + false_h = env->entries[idx]->high_word; } else { /* still not ready */ - pdeq_putr(env->waitq, psi); + pdeq_putr(env->waitq, mux); return; - } /* if */ + } - NEW_ARR_A(ir_node *, conds, n_conds); - for (i = 0; i < n_conds; ++i) { - conds[i] = get_Psi_cond(psi, i); - } /* for */ + sel = get_Mux_sel(mux); - dbg = get_irn_dbg_info(psi); - block = get_nodes_block(psi); + dbg = get_irn_dbg_info(mux); + block = get_nodes_block(mux); - idx = get_irn_idx(psi); + idx = get_irn_idx(mux); assert(idx < env->n_entries); - env->entries[idx]->low_word = new_rd_Psi(dbg, irg, block, n_conds, conds, valsl, mode); - env->entries[idx]->high_word = new_rd_Psi(dbg, irg, block, n_conds, conds, valsh, mode); -} /* lower_Psi */ + env->entries[idx]->low_word = new_rd_Mux(dbg, block, sel, false_l, true_l, env->low_unsigned); + env->entries[idx]->high_word = new_rd_Mux(dbg, block, sel, false_h, true_h, mode); +} + +/** + * Translate an ASM node. + */ +static void lower_ASM(ir_node *asmn, ir_mode *mode, lower_env_t *env) +{ + ir_mode *his = env->high_signed; + ir_mode *hiu = env->high_unsigned; + int i; + ir_node *n; + + (void)mode; + + for (i = get_irn_arity(asmn) - 1; i >= 0; --i) { + ir_mode *op_mode = get_irn_mode(get_irn_n(asmn, i)); + if (op_mode == his || op_mode == hiu) { + panic("lowering ASM unimplemented"); + } + } + + for (n = asmn;;) { + ir_mode *proj_mode; + + n = get_irn_link(n); + if (n == NULL) + break; + + proj_mode = get_irn_mode(n); + if (proj_mode == his || proj_mode == hiu) { + panic("lowering ASM unimplemented"); + } + } +} + +/** + * Translate a Sel node. + */ +static void lower_Sel(ir_node *sel, ir_mode *mode, lower_env_t *env) +{ + (void) mode; + + /* we must only lower value parameter Sels if we change the + value parameter type. */ + if (env->value_param_tp != NULL) { + ir_entity *ent = get_Sel_entity(sel); + if (get_entity_owner(ent) == env->value_param_tp) { + int pos = PTR_TO_INT(get_entity_link(ent)); + + ent = get_method_value_param_ent(env->l_mtp, pos); + set_Sel_entity(sel, ent); + } + } +} /** * check for opcodes that must always be lowered. */ -static int always_lower(ir_opcode code) { +static int always_lower(ir_opcode code) +{ switch (code) { + case iro_ASM: case iro_Proj: case iro_Start: case iro_Call: case iro_Return: case iro_Cond: case iro_Conv: + case iro_Sel: return 1; default: return 0; - } /* switch */ -} /* always_lower */ + } +} /** * lower boolean Proj(Cmp) */ -static ir_node *lower_boolean_Proj_Cmp(ir_node *proj, ir_node *cmp, lower_env_t *env) { - int lidx, ridx; +static ir_node *lower_boolean_Proj_Cmp(ir_node *proj, ir_node *cmp, lower_env_t *env) +{ + unsigned lidx; + unsigned 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); @@ -2182,46 +2268,46 @@ static ir_node *lower_boolean_Proj_Cmp(ir_node *proj, ir_node *cmp, lower_env_t 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); + low = new_rd_Cmp(db, blk, env->entries[lidx]->low_word, env->entries[ridx]->low_word); + high = new_rd_Cmp(db, blk, env->entries[lidx]->high_word, env->entries[ridx]->high_word); if (pnc == pn_Cmp_Eq) { /* simple case:a == b <==> a_h == b_h && a_l == b_l */ - res = new_rd_And(db, irg, blk, - new_r_Proj(irg, blk, low, mode_b, pnc), - new_r_Proj(irg, blk, high, mode_b, pnc), + res = new_rd_And(db, blk, + new_r_Proj(low, mode_b, pnc), + new_r_Proj(high, mode_b, pnc), mode_b); } else if (pnc == pn_Cmp_Lg) { /* simple case:a != b <==> a_h != b_h || a_l != b_l */ - res = new_rd_Or(db, irg, blk, - new_r_Proj(irg, blk, low, mode_b, pnc), - new_r_Proj(irg, blk, high, mode_b, pnc), + res = new_rd_Or(db, blk, + new_r_Proj(low, mode_b, pnc), + new_r_Proj(high, mode_b, pnc), mode_b); } else { /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */ - t = new_rd_And(db, irg, blk, - new_r_Proj(irg, blk, low, mode_b, pnc), - new_r_Proj(irg, blk, high, mode_b, pn_Cmp_Eq), + t = new_rd_And(db, blk, + new_r_Proj(low, mode_b, pnc), + new_r_Proj(high, mode_b, pn_Cmp_Eq), mode_b); - res = new_rd_Or(db, irg, blk, - new_r_Proj(irg, blk, high, mode_b, pnc & ~pn_Cmp_Eq), + res = new_rd_Or(db, blk, + new_r_Proj(high, mode_b, pnc & ~pn_Cmp_Eq), t, mode_b); - } /* if */ + } return res; -} /* lower_boolean_Proj_Cmp */ +} /** * The type of a lower function. @@ -2239,10 +2325,10 @@ static void lower_ops(ir_node *node, void *env) { lower_env_t *lenv = env; node_entry_t *entry; - int idx = get_irn_idx(node); + unsigned idx = get_irn_idx(node); ir_mode *mode = get_irn_mode(node); - if (mode == mode_b || is_Psi(node)) { + if (mode == mode_b || is_Mux(node) || is_Conv(node)) { int i; for (i = get_irn_arity(node) - 1; i >= 0; --i) { @@ -2255,21 +2341,21 @@ static void lower_ops(ir_node *node, void *env) ir_node *arg = get_Cmp_left(cmp); mode = get_irn_mode(arg); - if (mode == lenv->params->high_signed || - mode == lenv->params->high_unsigned) { + if (mode == lenv->high_signed || + mode == lenv->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))) { @@ -2279,74 +2365,171 @@ static void lower_ops(ir_node *node, void *env) if (func) { mode = get_irn_op_mode(node); - if (mode == lenv->params->high_signed) - mode = lenv->params->low_signed; + if (mode == lenv->high_signed) + mode = lenv->low_signed; else - mode = lenv->params->low_unsigned; + mode = lenv->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) /** * Compare two op_mode_entry_t's. */ -static int cmp_op_mode(const void *elt, const void *key, size_t size) { +static int cmp_op_mode(const void *elt, const void *key, size_t size) +{ const op_mode_entry_t *e1 = elt; const op_mode_entry_t *e2 = key; (void) size; return (e1->op - e2->op) | (e1->imode - e2->imode) | (e1->omode - e2->omode); -} /* cmp_op_mode */ +} /** * Compare two conv_tp_entry_t's. */ -static int cmp_conv_tp(const void *elt, const void *key, size_t size) { +static int cmp_conv_tp(const void *elt, const void *key, size_t size) +{ const conv_tp_entry_t *e1 = elt; const conv_tp_entry_t *e2 = key; (void) size; return (e1->imode - e2->imode) | (e1->omode - e2->omode); -} /* static int cmp_conv_tp */ +} /** * 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; } +/** + * Returns non-zero if a method type must be lowered. + * + * @param mtp the method type + */ +static int mtp_must_be_lowered(ir_type *mtp, lower_env_t *env) +{ + int i, n_params; + + n_params = get_method_n_params(mtp); + if (n_params <= 0) + return 0; + + /* first check if we have parameters that must be fixed */ + for (i = 0; i < n_params; ++i) { + ir_type *tp = get_method_param_type(mtp, i); + + if (is_Primitive_type(tp)) { + ir_mode *mode = get_type_mode(tp); + + if (mode == env->high_signed || + mode == env->high_unsigned) + return 1; + } + } + return 0; +} + +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; + int n_modes = get_irp_n_modes(); + ir_mode_arithmetic arithmetic; + unsigned modulo_shift; + int 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); +} + /* * Do the lowering. */ void lower_dw_ops(const lwrdw_param_t *param) { lower_env_t lenv; - int i; - ir_graph *rem; + int i; if (! param) return; - if (! param->enable) - return; - 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_MaxOpcode); + intrinsic_fkt = new_set(cmp_op_mode, iro_Last + 1); if (! conv_types) conv_types = new_set(cmp_conv_tp, 16); if (! lowered_type) @@ -2354,127 +2537,131 @@ void lower_dw_ops(const lwrdw_param_t *param) /* 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); - /* beware: shift count is always mode_Iu */ set_method_param_type(shiftop_tp_s, 2, tp_u); set_method_res_type(shiftop_tp_s, 0, tp_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), mode_Iu); - lenv.tv_mode_bits = new_tarval_from_long(get_mode_size_bits(param->low_unsigned), mode_Iu); + lenv.tv_mode_bytes = new_tarval_from_long(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.params = param; + lenv.first_id = new_id_from_chars(param->little_endian ? ".l" : ".h", 2); + lenv.next_id = new_id_from_chars(param->little_endian ? ".h" : ".l", 2); - /* first clear the generic function pointer for all ops */ clear_irp_opcodes_generic_func(); - -#define LOWER2(op, fkt) 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(Load); - LOWER(Store); - LOWER(Const); - LOWER(And); - LOWER(Or); - LOWER(Eor); - LOWER(Not); - LOWER(Cond); - LOWER(Return); - LOWER(Call); - LOWER(Unknown); - LOWER(Phi); - LOWER(Psi); - LOWER(Start); - - LOWER_BIN(Add); - LOWER_BIN(Sub); - LOWER_BIN(Mul); - LOWER(Shl); - LOWER(Shr); - LOWER(Shrs); - LOWER(Rot); - 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_Add, lower_Binop); + enter_lower_func(op_And, lower_And); + enter_lower_func(op_ASM, lower_ASM); + enter_lower_func(op_Call, lower_Call); + 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_DivMod, lower_DivMod); + 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_Phi, lower_Phi); + enter_lower_func(op_Return, lower_Return); + enter_lower_func(op_Rotl, lower_Rotl); + 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); /* transform all graphs */ - rem = current_ir_graph; for (i = get_irp_n_irgs() - 1; i >= 0; --i) { - ir_graph *irg = get_irp_irg(i); - int n_idx; + ir_graph *irg = get_irp_irg(i); + ir_entity *ent; + ir_type *mtp; + unsigned n_idx; obstack_init(&lenv.obst); n_idx = get_irg_last_idx(irg); + n_idx = n_idx + (n_idx >> 2); /* add 25% */ lenv.n_entries = n_idx; - lenv.entries = xmalloc(n_idx * sizeof(lenv.entries[0])); + lenv.entries = NEW_ARR_F(node_entry_t *, n_idx); memset(lenv.entries, 0, n_idx * sizeof(lenv.entries[0])); - /* first step: link all nodes and allocate data */ - lenv.flags = 0; + lenv.irg = irg; + lenv.l_mtp = NULL; + lenv.flags = 0; lenv.proj_2_block = pmap_create(); - irg_walk_graph(irg, firm_clear_link, prepare_links, &lenv); + lenv.value_param_tp = NULL; + ir_reserve_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK); + + ent = get_irg_entity(irg); + mtp = get_entity_type(ent); + + if (mtp_must_be_lowered(mtp, &lenv)) { + ir_type *ltp = lower_mtp(mtp, &lenv); + lenv.flags |= MUST_BE_LOWERED; + set_entity_type(ent, ltp); + lenv.l_mtp = ltp; + lenv.value_param_tp = get_method_value_param_type(mtp); + } + + /* first step: link all nodes and allocate data */ + irg_walk_graph(irg, firm_clear_node_and_phi_links, prepare_links_and_handle_rotl, &lenv); if (lenv.flags & MUST_BE_LOWERED) { DB((dbg, LEVEL_1, "Lowering graph %+F\n", irg)); @@ -2484,12 +2671,13 @@ void lower_dw_ops(const lwrdw_param_t *param) /* 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); @@ -2499,15 +2687,16 @@ void lower_dw_ops(const lwrdw_param_t *param) set_irg_doms_inconsistent(irg); set_irg_extblk_inconsistent(irg); set_irg_loopinfo_inconsistent(irg); - } /* if */ - } /* if */ + } + } else { + ir_free_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK); + } pmap_destroy(lenv.proj_2_block); - free(lenv.entries); + DEL_ARR_F(lenv.entries); obstack_free(&lenv.obst, NULL); - } /* for */ + } del_pdeq(lenv.waitq); - current_ir_graph = rem; -} /* lower_dw_ops */ +} /* Default implementation. */ ir_entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op, @@ -2524,11 +2713,10 @@ 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 */ +}