X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2FTEMPLATE%2Fbearch_TEMPLATE.c;h=8e8991d292b13eb2b84bd2d03d9474396cebc58c;hb=0860cafaff791b93c568c77739bd7d9c7240ee2f;hp=f7f6633aa06413d2bec0e8d73306aa2d105d2dcb;hpb=8535fe8732b0acf822be252812a7158ce5b8134a;p=libfirm diff --git a/ir/be/TEMPLATE/bearch_TEMPLATE.c b/ir/be/TEMPLATE/bearch_TEMPLATE.c index f7f6633aa..8e8991d29 100644 --- a/ir/be/TEMPLATE/bearch_TEMPLATE.c +++ b/ir/be/TEMPLATE/bearch_TEMPLATE.c @@ -1,8 +1,28 @@ -/* The main TEMPLATE backend driver file. */ -/* $Id$ */ -#ifdef HAVE_CONFIG_H -#include -#endif +/* + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * + * This file is part of libFirm. + * + * This file may be distributed and/or modified under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation and appearing in the file LICENSE.GPL included in the + * packaging of this file. + * + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE + * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. + */ + +/** + * @file + * @brief The main TEMPLATE backend driver file. + * @version $Id$ + */ +#include "config.h" #include "pseudo_irg.h" #include "irgwalk.h" @@ -14,19 +34,20 @@ #include "bitset.h" #include "debug.h" -#include "../bearch.h" /* the general register allocator interface */ +#include "be.h" +#include "../bearch.h" #include "../benode_t.h" #include "../belower.h" -#include "../besched_t.h" -#include "../be.h" +#include "../besched.h" #include "../beabi.h" #include "../bemodule.h" #include "../begnuas.h" +#include "../belistsched.h" #include "bearch_TEMPLATE_t.h" -#include "TEMPLATE_new_nodes.h" /* TEMPLATE nodes interface */ -#include "gen_TEMPLATE_regalloc_if.h" /* the generated interface (register type and class defenitions) */ +#include "TEMPLATE_new_nodes.h" +#include "gen_TEMPLATE_regalloc_if.h" #include "TEMPLATE_transform.h" #include "TEMPLATE_emitter.h" #include "TEMPLATE_map_regs.h" @@ -45,126 +66,23 @@ static set *cur_reg_set = NULL; * |___/ **************************************************/ -/** - * Return register requirements for a TEMPLATE node. - * If the node returns a tuple (mode_T) then the proj's - * will be asked for this information. - */ -static const -arch_register_req_t *TEMPLATE_get_irn_reg_req(const void *self, - const ir_node *node, int pos) { - long node_pos = pos == -1 ? 0 : pos; - ir_mode *mode = get_irn_mode(node); - - if (mode == mode_T || mode == mode_M) { - return arch_no_register_req; - } - - if (is_Proj(node)) { - /* in case of a proj, we need to get the correct OUT slot */ - /* of the node corresponding to the proj number */ - if (pos == -1) { - node_pos = TEMPLATE_translate_proj_pos(node); - } else { - node_pos = pos; - } - - node = skip_Proj_const(node); - } - - /* get requirements for our own nodes */ - if (is_TEMPLATE_irn(node)) { - const arch_register_req_t *req; - if (pos >= 0) { - req = get_TEMPLATE_in_req(node, pos); - } else { - req = get_TEMPLATE_out_req(node, node_pos); - } - - assert(req != NULL); - - return req; - } - - /* unknowns should be transformed already */ - assert(!is_Unknown(node)); - - return arch_no_register_req; -} - -static void TEMPLATE_set_irn_reg(const void *self, ir_node *irn, const arch_register_t *reg) { - int pos = 0; - - if (is_Proj(irn)) { - pos = TEMPLATE_translate_proj_pos(irn); - irn = skip_Proj(irn); - } - - if (is_TEMPLATE_irn(irn)) { - const arch_register_t **slots; - - slots = get_TEMPLATE_slots(irn); - slots[pos] = reg; - } - else { - /* here we set the registers for the Phi nodes */ - TEMPLATE_set_firm_reg(irn, reg, cur_reg_set); - } -} - -static const arch_register_t *TEMPLATE_get_irn_reg(const void *self, const ir_node *irn) { - int pos = 0; - const arch_register_t *reg = NULL; - - if (is_Proj(irn)) { - pos = TEMPLATE_translate_proj_pos(irn); - irn = skip_Proj_const(irn); - } - - if (is_TEMPLATE_irn(irn)) { - const arch_register_t **slots; - slots = get_TEMPLATE_slots(irn); - reg = slots[pos]; - } - else { - reg = TEMPLATE_get_firm_reg(irn, cur_reg_set); - } - - return reg; -} - -static arch_irn_class_t TEMPLATE_classify(const void *self, const ir_node *irn) { - irn = skip_Proj_const(irn); - - if (is_cfop(irn)) { - return arch_irn_class_branch; - } - else if (is_TEMPLATE_irn(irn)) { - return arch_irn_class_normal; - } - - return 0; -} - -static arch_irn_flags_t TEMPLATE_get_flags(const void *self, const ir_node *irn) { - irn = skip_Proj_const(irn); - - if (is_TEMPLATE_irn(irn)) { - return get_TEMPLATE_flags(irn); - } - else if (is_Unknown(irn)) { - return arch_irn_flags_ignore; - } - +static arch_irn_class_t TEMPLATE_classify(const ir_node *irn) +{ + (void) irn; return 0; } -static ir_entity *TEMPLATE_get_frame_entity(const void *self, const ir_node *node) { +static ir_entity *TEMPLATE_get_frame_entity(const ir_node *node) +{ + (void) node; /* TODO: return the ir_entity assigned to the frame */ return NULL; } -static void TEMPLATE_set_frame_entity(const void *self, ir_node *node, ir_entity *ent) { +static void TEMPLATE_set_frame_entity(ir_node *node, ir_entity *ent) +{ + (void) node; + (void) ent; /* TODO: set the ir_entity assigned to the frame */ } @@ -172,22 +90,25 @@ static void TEMPLATE_set_frame_entity(const void *self, ir_node *node, ir_entity * This function is called by the generic backend to correct offsets for * nodes accessing the stack. */ -static void TEMPLATE_set_frame_offset(const void *self, ir_node *irn, int offset) { +static void TEMPLATE_set_frame_offset(ir_node *irn, int offset) +{ + (void) irn; + (void) offset; /* TODO: correct offset if irn accesses the stack */ } -static int TEMPLATE_get_sp_bias(const void *self, const ir_node *irn) { +static int TEMPLATE_get_sp_bias(const ir_node *irn) +{ + (void) irn; return 0; } /* fill register allocator interface */ -static const arch_irn_ops_if_t TEMPLATE_irn_ops_if = { - TEMPLATE_get_irn_reg_req, - TEMPLATE_set_irn_reg, - TEMPLATE_get_irn_reg, +static const arch_irn_ops_t TEMPLATE_irn_ops = { + get_TEMPLATE_in_req, + get_TEMPLATE_out_req, TEMPLATE_classify, - TEMPLATE_get_flags, TEMPLATE_get_frame_entity, TEMPLATE_set_frame_entity, TEMPLATE_set_frame_offset, @@ -198,13 +119,6 @@ static const arch_irn_ops_if_t TEMPLATE_irn_ops_if = { NULL, /* perform_memory_operand */ }; -TEMPLATE_irn_ops_t TEMPLATE_irn_ops = { - &TEMPLATE_irn_ops_if, - NULL -}; - - - /************************************************** * _ _ __ * | | (_)/ _| @@ -239,18 +153,13 @@ static void TEMPLATE_finish_irg(void *self) { } -/** - * These are some hooks which must be filled but are probably not needed. - */ -static void TEMPLATE_before_sched(void *self) { - /* Some stuff you need to do after scheduling but before register allocation */ -} - static void TEMPLATE_before_ra(void *self) { + (void) self; /* Some stuff you need to do after scheduling but before register allocation */ } static void TEMPLATE_after_ra(void *self) { + (void) self; /* Some stuff you need to do immediatly after register allocation */ } @@ -270,17 +179,17 @@ static void TEMPLATE_emit_and_done(void *self) { /* de-allocate code generator */ del_set(cg->reg_set); - free(self); + free(cg); } static void *TEMPLATE_cg_init(be_irg_t *birg); static const arch_code_generator_if_t TEMPLATE_code_gen_if = { TEMPLATE_cg_init, + NULL, /* get_pic_base hook */ NULL, /* before abi introduce hook */ TEMPLATE_prepare_graph, NULL, /* spill hook */ - TEMPLATE_before_sched, /* before scheduling hook */ TEMPLATE_before_ra, /* before register allocation hook */ TEMPLATE_after_ra, /* after register allocation hook */ TEMPLATE_finish_irg, @@ -291,21 +200,19 @@ static const arch_code_generator_if_t TEMPLATE_code_gen_if = { * Initializes the code generator. */ static void *TEMPLATE_cg_init(be_irg_t *birg) { - TEMPLATE_isa_t *isa = (TEMPLATE_isa_t *)birg->main_env->arch_env->isa; - TEMPLATE_code_gen_t *cg = xmalloc(sizeof(*cg)); + const arch_env_t *arch_env = be_get_birg_arch_env(birg); + TEMPLATE_isa_t *isa = (TEMPLATE_isa_t *) arch_env; + TEMPLATE_code_gen_t *cg = XMALLOC(TEMPLATE_code_gen_t); cg->impl = &TEMPLATE_code_gen_if; - cg->irg = birg->irg; + cg->irg = be_get_birg_irg(birg); cg->reg_set = new_set(TEMPLATE_cmp_irn_reg_assoc, 1024); - cg->arch_env = birg->main_env->arch_env; cg->isa = isa; cg->birg = birg; FIRM_DBG_REGISTER(cg->mod, "firm.be.TEMPLATE.cg"); cur_reg_set = cg->reg_set; - TEMPLATE_irn_ops.cg = cg; - return (arch_code_generator_t *)cg; } @@ -326,16 +233,19 @@ static TEMPLATE_isa_t TEMPLATE_isa_template = { &TEMPLATE_isa_if, /* isa interface implementation */ &TEMPLATE_general_purpose_regs[REG_SP], /* stack pointer register */ &TEMPLATE_general_purpose_regs[REG_BP], /* base pointer register */ + &TEMPLATE_reg_classes[CLASS_TEMPLATE_general_purpose], /* link pointer register class */ -1, /* stack direction */ + 2, /* power of two stack alignment for calls, 2^2 == 4 */ NULL, /* main environment */ + 7, /* costs for a spill instruction */ + 5, /* costs for a reload instruction */ }, - {}, /* emitter environment */ }; /** * Initializes the backend ISA and opens the output file. */ -static void *TEMPLATE_init(FILE *outfile) { +static arch_env_t *TEMPLATE_init(FILE *outfile) { static int run_once = 0; TEMPLATE_isa_t *isa; @@ -343,15 +253,15 @@ static void *TEMPLATE_init(FILE *outfile) { return NULL; run_once = 1; - isa = xcalloc(1, sizeof(*isa)); + isa = XMALLOC(TEMPLATE_isa_t); memcpy(isa, &TEMPLATE_isa_template, sizeof(*isa)); - be_emit_init_env(&isa->emit, outfile); + be_emit_init(outfile); - TEMPLATE_register_init(isa); - TEMPLATE_create_opcodes(); + TEMPLATE_register_init(); + TEMPLATE_create_opcodes(&TEMPLATE_irn_ops); - return isa; + return &isa->arch_env; } @@ -363,20 +273,25 @@ static void TEMPLATE_done(void *self) { TEMPLATE_isa_t *isa = self; /* emit now all global declarations */ - be_gas_emit_decls(&isa->emit, isa->arch_isa.main_env); + be_gas_emit_decls(isa->arch_env.main_env, 0); - be_emit_destroy_env(&isa->emit); + be_emit_exit(); free(self); } -static int TEMPLATE_get_n_reg_class(const void *self) { +static unsigned TEMPLATE_get_n_reg_class(const void *self) +{ + (void) self; return N_CLASSES; } -static const arch_register_class_t *TEMPLATE_get_reg_class(const void *self, int i) { - assert(i >= 0 && i < N_CLASSES && "Invalid TEMPLATE register class requested."); +static const arch_register_class_t *TEMPLATE_get_reg_class(const void *self, + unsigned i) +{ + (void) self; + assert(i < N_CLASSES); return &TEMPLATE_reg_classes[i]; } @@ -388,7 +303,10 @@ static const arch_register_class_t *TEMPLATE_get_reg_class(const void *self, int * @param mode The mode in question. * @return A register class which can hold values of the given mode. */ -const arch_register_class_t *TEMPLATE_get_reg_class_for_mode(const void *self, const ir_mode *mode) { +const arch_register_class_t *TEMPLATE_get_reg_class_for_mode(const void *self, + const ir_mode *mode) +{ + (void) self; if (mode_is_float(mode)) return &TEMPLATE_reg_classes[CLASS_TEMPLATE_floating_point]; else @@ -400,18 +318,16 @@ const arch_register_class_t *TEMPLATE_get_reg_class_for_mode(const void *self, c typedef struct { be_abi_call_flags_bits_t flags; const arch_env_t *arch_env; - const arch_isa_t *isa; ir_graph *irg; } TEMPLATE_abi_env_t; static void *TEMPLATE_abi_init(const be_abi_call_t *call, const arch_env_t *arch_env, ir_graph *irg) { - TEMPLATE_abi_env_t *env = xmalloc(sizeof(env[0])); + TEMPLATE_abi_env_t *env = XMALLOC(TEMPLATE_abi_env_t); be_abi_call_flags_t fl = be_abi_call_get_flags(call); env->flags = fl.bits; env->irg = irg; env->arch_env = arch_env; - env->isa = arch_env->isa; return env; } @@ -420,10 +336,11 @@ static void *TEMPLATE_abi_init(const be_abi_call_t *call, const arch_env_t *arch * @param self The callback object. * @return The between type of for that call. */ -static ir_type *TEMPLATE_get_between_type(void *self) { - //TEMPLATE_abi_env_t *env = self; +static ir_type *TEMPLATE_get_between_type(void *self) +{ static ir_type *between_type = NULL; - static ir_entity *old_bp_ent = NULL; + static ir_entity *old_bp_ent = NULL; + (void) self; if(!between_type) { ir_entity *ret_addr_ent; @@ -442,38 +359,38 @@ static ir_type *TEMPLATE_get_between_type(void *self) { return between_type; } -static void TEMPLATE_abi_dont_save_regs(void *self, pset *s) -{ - TEMPLATE_abi_env_t *env = self; - if (env->flags.try_omit_fp) { - /* insert the BP register into the ignore set */ - pset_insert_ptr(s, env->isa->bp); - } -} - /** * Build the prolog, return the BASE POINTER register */ -static const arch_register_t *TEMPLATE_abi_prologue(void *self, ir_node **mem, pmap *reg_map) { +static const arch_register_t *TEMPLATE_abi_prologue(void *self, ir_node **mem, + pmap *reg_map, int *stack_bias) +{ TEMPLATE_abi_env_t *env = self; + (void) reg_map; + (void) mem; + (void) stack_bias; if(env->flags.try_omit_fp) - return env->isa->sp; - return env->isa->bp; + return env->arch_env->sp; + return env->arch_env->bp; } /* Build the epilog */ -static void arm_abi_epilogue(void *self, ir_node *bl, ir_node **mem, pmap *reg_map) { - //TEMPLATE_abi_env_t *env = self; +static void TEMPLATE_abi_epilogue(void *self, ir_node *bl, ir_node **mem, + pmap *reg_map) +{ + (void) self; + (void) bl; + (void) mem; + (void) reg_map; } static const be_abi_callbacks_t TEMPLATE_abi_callbacks = { TEMPLATE_abi_init, free, TEMPLATE_get_between_type, - TEMPLATE_abi_dont_save_regs, TEMPLATE_abi_prologue, - arm_abi_epilogue, + TEMPLATE_abi_epilogue, }; /** @@ -482,11 +399,14 @@ static const be_abi_callbacks_t TEMPLATE_abi_callbacks = { * @param method_type The type of the method (procedure) in question. * @param abi The abi object to be modified */ -void TEMPLATE_get_call_abi(const void *self, ir_type *method_type, be_abi_call_t *abi) { +void TEMPLATE_get_call_abi(const void *self, ir_type *method_type, + be_abi_call_t *abi) +{ ir_type *tp; ir_mode *mode; int i, n = get_method_n_params(method_type); be_abi_call_flags_t call_flags; + (void) self; /* set abi flags for calls */ call_flags.bits.left_to_right = 0; @@ -504,7 +424,9 @@ void TEMPLATE_get_call_abi(const void *self, ir_type *method_type, be_abi_call_t /* be_abi_call_param_reg(abi, i, reg); */ /* default: all parameters on stack */ - be_abi_call_param_stack(abi, i, 4, 0, 0); + tp = get_method_param_type(method_type, i); + mode = get_type_mode(tp); + be_abi_call_param_stack(abi, i, mode, 4, 0, 0); } /* TODO: set correct return register */ @@ -518,26 +440,23 @@ void TEMPLATE_get_call_abi(const void *self, ir_type *method_type, be_abi_call_t } } -static const void *TEMPLATE_get_irn_ops(const arch_irn_handler_t *self, const ir_node *irn) { - return &TEMPLATE_irn_ops; -} +int TEMPLATE_to_appear_in_schedule(void *block_env, const ir_node *irn) +{ + (void) block_env; -const arch_irn_handler_t TEMPLATE_irn_handler = { - TEMPLATE_get_irn_ops -}; + if(!is_TEMPLATE_irn(irn)) + return -1; -const arch_irn_handler_t *TEMPLATE_get_irn_handler(const void *self) { - return &TEMPLATE_irn_handler; -} - -int TEMPLATE_to_appear_in_schedule(void *block_env, const ir_node *irn) { - return is_TEMPLATE_irn(irn); + return 1; } /** * Initializes the code generator interface. */ -static const arch_code_generator_if_t *TEMPLATE_get_code_generator_if(void *self) { +static const arch_code_generator_if_t *TEMPLATE_get_code_generator_if( + void *self) +{ + (void) self; return &TEMPLATE_code_gen_if; } @@ -546,76 +465,114 @@ list_sched_selector_t TEMPLATE_sched_selector; /** * Returns the reg_pressure scheduler with to_appear_in_schedule() overloaded */ -static const list_sched_selector_t *TEMPLATE_get_list_sched_selector(const void *self, list_sched_selector_t *selector) { - memcpy(&TEMPLATE_sched_selector, trivial_selector, sizeof(list_sched_selector_t)); +static const list_sched_selector_t *TEMPLATE_get_list_sched_selector( + const void *self, list_sched_selector_t *selector) +{ + (void) self; + (void) selector; + + TEMPLATE_sched_selector = trivial_selector; TEMPLATE_sched_selector.to_appear_in_schedule = TEMPLATE_to_appear_in_schedule; return &TEMPLATE_sched_selector; } -static const ilp_sched_selector_t *TEMPLATE_get_ilp_sched_selector(const void *self) { +static const ilp_sched_selector_t *TEMPLATE_get_ilp_sched_selector( + const void *self) +{ + (void) self; return NULL; } /** * Returns the necessary byte alignment for storing a register of given class. */ -static int TEMPLATE_get_reg_class_alignment(const void *self, const arch_register_class_t *cls) { +static int TEMPLATE_get_reg_class_alignment(const void *self, + const arch_register_class_t *cls) { ir_mode *mode = arch_register_class_mode(cls); + (void) self; return get_mode_size_bytes(mode); } /** * Returns the libFirm configuration parameter for this backend. */ -static const backend_params *TEMPLATE_get_libfirm_params(void) { - static arch_dep_params_t ad = { - 1, /* allow subs */ - 0, /* Muls are fast enough on Firm */ - 31, /* shift would be ok */ - 0, /* no Mulhs */ - 0, /* no Mulhu */ - 0, /* no Mulh */ - }; +static const backend_params *TEMPLATE_get_backend_params(void) { static backend_params p = { - NULL, /* no additional opcodes */ - NULL, /* will be set later */ 0, /* no dword lowering */ + 0, /* no inline assembly */ + NULL, /* will be set later */ NULL, /* no creator function */ NULL, /* context for create_intrinsic_fkt */ + NULL, /* parameter for if conversion */ + NULL, /* float arithmetic mode */ + 0, /* no trampoline support: size 0 */ + 0, /* no trampoline support: align 0 */ + NULL, /* no trampoline support: no trampoline builder */ + 4 /* alignment of stack parameter: typically 4 (32bit) or 8 (64bit) */ }; - - p.dep_param = &ad; return &p; } -static const be_execution_unit_t ***TEMPLATE_get_allowed_execution_units(const void *self, const ir_node *irn) { +static const be_execution_unit_t ***TEMPLATE_get_allowed_execution_units( + const void *self, const ir_node *irn) +{ + (void) self; + (void) irn; /* TODO */ assert(0); return NULL; } -static const be_machine_t *TEMPLATE_get_machine(const void *self) { +static const be_machine_t *TEMPLATE_get_machine(const void *self) +{ + (void) self; /* TODO */ assert(0); return NULL; } +static ir_graph **TEMPLATE_get_backend_irg_list(const void *self, + ir_graph ***irgs) +{ + (void) self; + (void) irgs; + return NULL; +} + +static asm_constraint_flags_t TEMPLATE_parse_asm_constraint(const void *self, + const char **c) +{ + (void) self; + (void) c; + return ASM_CONSTRAINT_FLAG_INVALID; +} + +static int TEMPLATE_is_valid_clobber(const void *self, const char *clobber) +{ + (void) self; + (void) clobber; + return 0; +} const arch_isa_if_t TEMPLATE_isa_if = { TEMPLATE_init, TEMPLATE_done, + NULL, /* handle intrinsics */ TEMPLATE_get_n_reg_class, TEMPLATE_get_reg_class, TEMPLATE_get_reg_class_for_mode, TEMPLATE_get_call_abi, - TEMPLATE_get_irn_handler, TEMPLATE_get_code_generator_if, TEMPLATE_get_list_sched_selector, TEMPLATE_get_ilp_sched_selector, TEMPLATE_get_reg_class_alignment, - TEMPLATE_get_libfirm_params, + TEMPLATE_get_backend_params, TEMPLATE_get_allowed_execution_units, - TEMPLATE_get_machine + TEMPLATE_get_machine, + TEMPLATE_get_backend_irg_list, + NULL, /* mark remat */ + TEMPLATE_parse_asm_constraint, + TEMPLATE_is_valid_clobber }; void be_init_arch_TEMPLATE(void)