X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Flower%2Flower_intrinsics.c;h=bab53c600451e177ccf71660af03cdc229e32e6e;hb=66a85ef5ee56713b80b444e55963354ff923f0f0;hp=0014bdc20aa6e1d9c9757dd611b486b0ca3304ed;hpb=ab182d4b9ed44239ab3ff1d08b2f8e14a3699ccf;p=libfirm diff --git a/ir/lower/lower_intrinsics.c b/ir/lower/lower_intrinsics.c index 0014bdc20..bab53c600 100644 --- a/ir/lower/lower_intrinsics.c +++ b/ir/lower/lower_intrinsics.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -43,11 +43,12 @@ #include "irpass_t.h" #include "iropt_dbg.h" #include "error.h" +#include "be.h" /** Walker environment. */ typedef struct walker_env { pmap *c_map; /**< The intrinsic call map. */ - unsigned nr_of_intrinsics; /**< statistics */ + size_t nr_of_intrinsics; /**< statistics */ i_instr_record **i_map; /**< The intrinsic instruction map. */ } walker_env_t; @@ -56,7 +57,7 @@ typedef struct walker_env { */ static void call_mapper(ir_node *node, void *env) { - walker_env_t *wenv = env; + walker_env_t *wenv = (walker_env_t*)env; ir_op *op = get_irn_op(node); if (op == op_Call) { @@ -73,7 +74,7 @@ static void call_mapper(ir_node *node, void *env) p = pmap_find(wenv->c_map, ent); if (p) { - r = p->value; + r = (const i_call_record*)p->value; wenv->nr_of_intrinsics += r->i_mapper(node, r->ctx) ? 1 : 0; } } else { @@ -85,28 +86,29 @@ static void call_mapper(ir_node *node, void *env) ++wenv->nr_of_intrinsics; break; } - r = r->link; + r = (const i_instr_record*)r->link; } } } } /* call_mapper */ /* Go through all graphs and map calls to intrinsic functions. */ -unsigned lower_intrinsics(i_record *list, int length, int part_block_used) +size_t lower_intrinsics(i_record *list, size_t length, int part_block_used) { - int i, n_ops = get_irp_n_opcodes(); + size_t i, n; + size_t n_ops = get_irp_n_opcodes(); ir_graph *irg; pmap *c_map = pmap_create_ex(length); i_instr_record **i_map; - unsigned nr_of_intrinsics = 0; + size_t nr_of_intrinsics = 0; walker_env_t wenv; /* we use the ir_op generic pointers here */ - NEW_ARR_A(const i_instr_record *, i_map, n_ops); + NEW_ARR_A(i_instr_record *, i_map, n_ops); memset((void *)i_map, 0, sizeof(*i_map) * n_ops); /* fill a map for faster search */ - for (i = length - 1; i >= 0; --i) { + for (i = 0; i < length; ++i) { if (list[i].i_call.kind == INTRINSIC_CALL) { pmap_insert(c_map, list[i].i_call.i_ent, (void *)&list[i].i_call); } else { @@ -121,7 +123,7 @@ unsigned lower_intrinsics(i_record *list, int length, int part_block_used) wenv.c_map = c_map; wenv.i_map = i_map; - for (i = get_irp_n_irgs() - 1; i >= 0; --i) { + for (i = 0, n = get_irp_n_irgs(); i < n; ++i) { irg = get_irp_irg(i); if (part_block_used) { @@ -162,20 +164,20 @@ unsigned lower_intrinsics(i_record *list, int length, int part_block_used) return nr_of_intrinsics; } /* lower_intrinsics */ -struct pass_t { +typedef struct pass_t { ir_prog_pass_t pass; - int part_block_used; - int length; + int part_block_used; + size_t length; i_record list[1]; -}; +} pass_t; /** * Wrapper for running lower_intrinsics() as an ir_prog pass. */ static int pass_wrapper(ir_prog *irp, void *context) { - struct pass_t *pass = context; + pass_t *pass = (pass_t*)context; (void) irp; /* TODO: set current irp, or remove parameter */ lower_intrinsics(pass->list, pass->length, pass->part_block_used); /* probably this pass should not run again */ @@ -192,9 +194,9 @@ static int pass_wrapper(ir_prog *irp, void *context) */ ir_prog_pass_t *lower_intrinsics_pass( const char *name, - i_record *list, int length, int part_block_used) + i_record *list, size_t length, int part_block_used) { - struct pass_t *pass = xmalloc(sizeof(*pass) + (length-1) * sizeof(pass->list[0])); + pass_t *pass = (pass_t*)xmalloc(sizeof(*pass) + (length-1) * sizeof(pass->list[0])); memcpy(pass->list, list, sizeof(list[0]) * length); pass->length = length; @@ -215,7 +217,8 @@ ir_prog_pass_t *lower_intrinsics_pass( */ static void replace_call(ir_node *irn, ir_node *call, ir_node *mem, ir_node *reg_jmp, ir_node *exc_jmp) { - ir_node *block = get_nodes_block(call); + ir_node *block = get_nodes_block(call); + ir_graph *irg = get_irn_irg(block); if (reg_jmp == NULL) { @@ -224,7 +227,7 @@ static void replace_call(ir_node *irn, ir_node *call, ir_node *mem, ir_node *reg set_opt_cse(0); reg_jmp = new_r_Jmp(block); set_opt_cse(old_cse); - exc_jmp = new_Bad(); + exc_jmp = new_r_Bad(irg); } irn = new_r_Tuple(block, 1, &irn); @@ -233,22 +236,32 @@ static void replace_call(ir_node *irn, ir_node *call, ir_node *mem, ir_node *reg set_Tuple_pred(call, pn_Call_X_regular, reg_jmp); set_Tuple_pred(call, pn_Call_X_except, exc_jmp); set_Tuple_pred(call, pn_Call_T_result, irn); - set_Tuple_pred(call, pn_Call_P_value_res_base, new_Bad()); } /* replace_call */ /* A mapper for the integer abs. */ int i_mapper_abs(ir_node *call, void *ctx) { - ir_node *mem = get_Call_mem(call); - ir_node *block = get_nodes_block(call); - ir_node *op = get_Call_param(call, 0); - ir_node *irn; - dbg_info *dbg = get_irn_dbg_info(call); + ir_node *mem = get_Call_mem(call); + ir_node *block = get_nodes_block(call); + ir_node *op = get_Call_param(call, 0); + ir_graph *irg = get_irn_irg(call); + ir_mode *mode = get_irn_mode(op); + dbg_info *dbg = get_irn_dbg_info(call); + ir_node *zero = new_r_Const(irg, get_mode_null(mode)); + ir_node *cmp = new_rd_Cmp(dbg, block, op, zero, ir_relation_less); + ir_node *minus_op = new_rd_Minus(dbg, block, op, mode); + ir_node *mux; + arch_allow_ifconv_func allow_ifconv = be_get_backend_param()->allow_ifconv; (void) ctx; - irn = new_rd_Abs(dbg, block, op, get_irn_mode(op)); - DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_ABS); - replace_call(irn, call, mem, NULL, NULL); + /* mux allowed by backend? */ + if (!allow_ifconv(cmp, op, minus_op)) + return 0; + + /* construct Mux */ + mux = new_rd_Mux(dbg, block, cmp, op, minus_op, mode); + DBG_OPT_ALGSIM0(call, mux, FS_OPT_RTS_ABS); + replace_call(mux, call, mem, NULL, NULL); return 1; } /* i_mapper_abs */ @@ -265,7 +278,6 @@ int i_mapper_bswap(ir_node *call, void *ctx) irn = new_rd_Builtin(dbg, block, get_irg_no_mem(current_ir_graph), 1, &op, ir_bk_bswap, tp); set_irn_pinned(irn, op_pin_state_floats); - DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_ABS); irn = new_r_Proj(irn, get_irn_mode(op), pn_Builtin_1_result); replace_call(irn, call, mem, NULL, NULL); return 1; @@ -304,9 +316,9 @@ int i_mapper_alloca(ir_node *call, void *ctx) /* A mapper for the floating point sqrt. */ int i_mapper_sqrt(ir_node *call, void *ctx) { - ir_node *mem; - tarval *tv; - ir_node *op = get_Call_param(call, 0); + ir_node *mem; + ir_tarval *tv; + ir_node *op = get_Call_param(call, 0); (void) ctx; if (!is_Const(op)) @@ -327,9 +339,9 @@ int i_mapper_sqrt(ir_node *call, void *ctx) /* A mapper for the floating point cbrt. */ int i_mapper_cbrt(ir_node *call, void *ctx) { - ir_node *mem; - tarval *tv; - ir_node *op = get_Call_param(call, 0); + ir_node *mem; + ir_tarval *tv; + ir_node *op = get_Call_param(call, 0); (void) ctx; if (!is_Const(op)) @@ -351,22 +363,23 @@ int i_mapper_cbrt(ir_node *call, void *ctx) int i_mapper_pow(ir_node *call, void *ctx) { dbg_info *dbg; - ir_node *mem; - ir_node *left = get_Call_param(call, 0); - ir_node *right = get_Call_param(call, 1); - ir_node *block = get_nodes_block(call); - ir_node *irn, *reg_jmp = NULL, *exc_jmp = NULL; + ir_node *mem; + ir_node *left = get_Call_param(call, 0); + ir_node *right = get_Call_param(call, 1); + ir_node *block = get_nodes_block(call); + ir_graph *irg = get_irn_irg(block); + ir_node *irn, *reg_jmp = NULL, *exc_jmp = NULL; (void) ctx; if (is_Const(left) && is_Const_one(left)) { /* pow (1.0, x) = 1.0 */ irn = left; } else if (is_Const(right)) { - tarval *tv = get_Const_tarval(right); + ir_tarval *tv = get_Const_tarval(right); if (tarval_is_null(tv)) { /* pow(x, 0.0) = 1.0 */ ir_mode *mode = get_tarval_mode(tv); - irn = new_Const(get_mode_one(mode)); + irn = new_r_Const(irg, get_mode_one(mode)); } else if (tarval_is_one(tv)) { /* pow(x, 1.0) = x */ irn = left; @@ -384,14 +397,14 @@ int i_mapper_pow(ir_node *call, void *ctx) if (irn == NULL) { ir_mode *mode = get_irn_mode(left); - ir_node *quot; - - irn = new_Const(get_mode_one(mode)); - quot = new_rd_Quot(dbg, block, mem, irn, left, mode, op_pin_state_pinned); - mem = new_r_Proj(quot, mode_M, pn_Quot_M); - irn = new_r_Proj(quot, mode, pn_Quot_res); - reg_jmp = new_r_Proj(quot, mode_X, pn_Quot_X_regular); - exc_jmp = new_r_Proj(quot, mode_X, pn_Quot_X_except); + ir_node *div; + + irn = new_r_Const(irg, get_mode_one(mode)); + div = new_rd_Div(dbg, block, mem, irn, left, mode, op_pin_state_pinned); + mem = new_r_Proj(div, mode_M, pn_Div_M); + irn = new_r_Proj(div, mode, pn_Div_res); + reg_jmp = new_r_Proj(div, mode_X, pn_Div_X_regular); + exc_jmp = new_r_Proj(div, mode_X, pn_Div_X_except); } DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_POW); replace_call(irn, call, mem, reg_jmp, exc_jmp); @@ -406,8 +419,9 @@ int i_mapper_exp(ir_node *call, void *ctx) if (is_Const(val) && is_Const_null(val)) { /* exp(0.0) = 1.0 */ + ir_graph *irg = get_irn_irg(val); ir_mode *mode = get_irn_mode(val); - ir_node *irn = new_Const(get_mode_one(mode)); + ir_node *irn = new_r_Const(irg, get_mode_one(mode)); ir_node *mem = get_Call_mem(call); DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_EXP); replace_call(irn, call, mem, NULL, NULL); @@ -444,9 +458,10 @@ static int i_mapper_one_to_zero(ir_node *call, void *ctx, int reason) if (is_Const(val) && is_Const_one(val)) { /* acos(1.0) = 0.0 */ - ir_mode *mode = get_irn_mode(val); - ir_node *irn = new_Const(get_mode_null(mode)); - ir_node *mem = get_Call_mem(call); + ir_graph *irg = get_irn_irg(val); + ir_mode *mode = get_irn_mode(val); + ir_node *irn = new_r_Const(irg, get_mode_null(mode)); + ir_node *mem = get_Call_mem(call); DBG_OPT_ALGSIM0(call, irn, reason); replace_call(irn, call, mem, NULL, NULL); return 1; @@ -461,7 +476,8 @@ static int i_mapper_one_to_zero(ir_node *call, void *ctx, int reason) */ static int i_mapper_symmetric_zero_to_one(ir_node *call, void *ctx, int reason) { - ir_node *val = get_Call_param(call, 0); + int changed = 0; + ir_node *val = get_Call_param(call, 0); (void) ctx; if (is_strictConv(val)) { @@ -480,24 +496,27 @@ static int i_mapper_symmetric_zero_to_one(ir_node *call, void *ctx, int reason) } DBG_OPT_ALGSIM2(call, op, call, FS_OPT_RTS_SYMMETRIC); set_Call_param(call, 0, val); + changed = 1; } } else if (is_Minus(val)) { /* f(-x) = f(x) */ val = get_Minus_op(val); DBG_OPT_ALGSIM2(call, val, call, FS_OPT_RTS_SYMMETRIC); set_Call_param(call, 0, val); + changed = 1; } if (is_Const(val) && is_Const_null(val)) { /* f(0.0) = 1.0 */ + ir_graph *irg = get_irn_irg(val); ir_mode *mode = get_irn_mode(val); - ir_node *irn = new_Const(get_mode_one(mode)); + ir_node *irn = new_r_Const(irg, get_mode_one(mode)); ir_node *mem = get_Call_mem(call); DBG_OPT_ALGSIM0(call, irn, reason); replace_call(irn, call, mem, NULL, NULL); - return 1; + changed = 1; } - return 0; + return changed; } /* i_mapper_symmetric_zero_to_one */ /* A mapper for the floating point log. */ @@ -591,7 +610,7 @@ static ir_entity *get_const_entity(ir_node *ptr) static bool initializer_val_is_null(ir_initializer_t *init) { - tarval *tv; + ir_tarval *tv; if (get_initializer_kind(init) == IR_INITIALIZER_NULL) return true; @@ -619,13 +638,13 @@ static bool initializer_val_is_null(ir_initializer_t *init) * @return a Const node containing the strlen() result or NULL * if the evaluation fails */ -static ir_node *eval_strlen(ir_entity *ent, ir_type *res_tp) +static ir_node *eval_strlen(ir_graph *irg, ir_entity *ent, ir_type *res_tp) { ir_type *tp = get_entity_type(ent); ir_mode *mode; ir_initializer_t *initializer; - unsigned size; - unsigned i; + size_t size; + size_t i; if (! is_Array_type(tp)) return NULL; @@ -639,9 +658,7 @@ static ir_node *eval_strlen(ir_entity *ent, ir_type *res_tp) return NULL; if (!has_entity_initializer(ent)) { - int len = 0; - int n; - int i = -1; + size_t i, n; n = get_compound_ent_n_values(ent); for (i = 0; i < n; ++i) { @@ -652,14 +669,10 @@ static ir_node *eval_strlen(ir_entity *ent, ir_type *res_tp) if (is_Const_null(irn)) { /* found the length */ - len = i; - break; + ir_tarval *tv = new_tarval_from_long(i, get_type_mode(res_tp)); + return new_r_Const(irg, tv); } } - if (len >= 0) { - tarval *tv = new_tarval_from_long(len, get_type_mode(res_tp)); - return new_Const_type(tv, res_tp); - } return NULL; } @@ -671,8 +684,8 @@ static ir_node *eval_strlen(ir_entity *ent, ir_type *res_tp) for (i = 0; i < size; ++i) { ir_initializer_t *val = get_initializer_compound_value(initializer, i); if (initializer_val_is_null(val)) { - tarval *tv = new_tarval_from_long(i, get_type_mode(res_tp)); - return new_Const_type(tv, res_tp); + ir_tarval *tv = new_tarval_from_long(i, get_type_mode(res_tp)); + return new_r_Const(irg, tv); } } @@ -694,7 +707,7 @@ int i_mapper_strlen(ir_node *call, void *ctx) ir_node *irn; tp = get_method_res_type(tp, 0); - irn = eval_strlen(ent, tp); + irn = eval_strlen(get_irn_irg(call), ent, tp); if (irn) { ir_node *mem = get_Call_mem(call); @@ -716,11 +729,11 @@ int i_mapper_strlen(ir_node *call, void *ctx) * @return a Const node containing the strcmp() result or NULL * if the evaluation fails */ -static ir_node *eval_strcmp(ir_entity *left, ir_entity *right, ir_type *res_tp) +static ir_node *eval_strcmp(ir_graph *irg, ir_entity *left, ir_entity *right, + ir_type *res_tp) { ir_type *tp; ir_mode *mode; - int i, n, n_r, res; tp = get_entity_type(left); if (! is_Array_type(tp)) @@ -748,16 +761,17 @@ static ir_node *eval_strcmp(ir_entity *left, ir_entity *right, ir_type *res_tp) if (!has_entity_initializer(left) && !has_entity_initializer(right)) { /* code that uses deprecated compound_graph_path stuff */ + size_t n = get_compound_ent_n_values(left); + size_t n_r = get_compound_ent_n_values(right); + size_t i; + int res = 0; - n = get_compound_ent_n_values(left); - n_r = get_compound_ent_n_values(right); if (n_r < n) n = n_r; - res = 0; for (i = 0; i < n; ++i) { ir_node *irn; long v_l, v_r; - tarval *tv; + ir_tarval *tv; irn = get_compound_ent_value(left, i); if (! is_Const(irn)) @@ -787,8 +801,8 @@ static ir_node *eval_strcmp(ir_entity *left, ir_entity *right, ir_type *res_tp) } if (i < n) { /* we found an end */ - tarval *tv = new_tarval_from_long(res, get_type_mode(res_tp)); - return new_Const_type(tv, res_tp); + ir_tarval *tv = new_tarval_from_long(res, get_type_mode(res_tp)); + return new_r_Const(irg, tv); } return NULL; } @@ -826,7 +840,7 @@ static int is_empty_string(ir_entity *ent) if (!has_entity_initializer(ent)) { /* code for deprecated compound_graph_path stuff */ - int n = get_compound_ent_n_values(ent); + size_t n = get_compound_ent_n_values(ent); if (n < 1) return 0; irn = get_compound_ent_value(ent, 0); @@ -873,10 +887,11 @@ int i_mapper_strcmp(ir_node *call, void *ctx) if (left == right) { /* a strcmp(s, s) ==> 0 */ + ir_graph *irg = get_irn_irg(call); ir_node *mem = get_Call_mem(call); ir_mode *mode = get_type_mode(res_tp); - irn = new_Const(get_mode_null(mode)); + irn = new_r_Const(irg, get_mode_null(mode)); DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_STRCMP); replace_call(irn, call, mem, NULL, NULL); return 1; @@ -886,7 +901,7 @@ int i_mapper_strcmp(ir_node *call, void *ctx) if (ent_l != NULL && ent_r != NULL) { /* both entities are const, try to evaluate */ - irn = eval_strcmp(ent_l, ent_r, res_tp); + irn = eval_strcmp(get_irn_irg(call), ent_l, ent_r, res_tp); } else if (ent_l != NULL) { if (is_empty_string(ent_l)) { /* s strcmp("", s) ==> -(*s)*/ @@ -908,7 +923,7 @@ replace_by_call: mode = get_type_mode(char_tp); /* replace the strcmp by (*x) */ - irn = new_rd_Load(dbg, block, mem, v, mode, 0); + irn = new_rd_Load(dbg, block, mem, v, mode, cons_none); mem = new_r_Proj(irn, mode_M, pn_Load_M); exc = new_r_Proj(irn, mode_X, pn_Load_X_except); reg = new_r_Proj(irn, mode_X, pn_Load_X_regular); @@ -947,6 +962,7 @@ int i_mapper_strncmp(ir_node *call, void *ctx) if (left == right || (is_Const(len) && is_Const_null(len))) { /* a strncmp(s, s, len) ==> 0 OR a strncmp(a, b, 0) ==> 0 */ + ir_graph *irg = get_irn_irg(call); ir_node *mem = get_Call_mem(call); ir_node *adr = get_Call_ptr(call); ir_entity *ent = get_SymConst_entity(adr); @@ -954,7 +970,7 @@ int i_mapper_strncmp(ir_node *call, void *ctx) ir_type *res_tp = get_method_res_type(call_tp, 0); ir_mode *mode = get_type_mode(res_tp); - irn = new_Const(get_mode_null(mode)); + irn = new_r_Const(irg, get_mode_null(mode)); DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_STRNCMP); replace_call(irn, call, mem, NULL, NULL); return 1; @@ -1075,6 +1091,7 @@ int i_mapper_memcmp(ir_node *call, void *ctx) if (left == right || (is_Const(len) && is_Const_null(len))) { /* a memcmp(s, s, len) ==> 0 OR a memcmp(a, b, 0) ==> 0 */ + ir_graph *irg = get_irn_irg(call); ir_node *mem = get_Call_mem(call); ir_node *adr = get_Call_ptr(call); ir_entity *ent = get_SymConst_entity(adr); @@ -1082,7 +1099,7 @@ int i_mapper_memcmp(ir_node *call, void *ctx) ir_type *res_tp = get_method_res_type(call_tp, 0); ir_mode *mode = get_type_mode(res_tp); - irn = new_Const(get_mode_null(mode)); + irn = new_r_Const(irg, get_mode_null(mode)); DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_STRNCMP); replace_call(irn, call, mem, NULL, NULL); return 1; @@ -1097,10 +1114,8 @@ static ir_mode *get_irn_res_mode(ir_node *node) { switch (get_irn_opcode(node)) { case iro_Load: return get_Load_mode(node); - case iro_Quot: return get_Quot_resmode(node); case iro_Div: return get_Div_resmode(node); case iro_Mod: return get_Mod_resmode(node); - case iro_DivMod: return get_DivMod_resmode(node); default: return NULL; } } /* get_irn_res_mode */