-/* The main TEMPLATE backend driver file. */
-/* $Id$ */
+/*
+ * 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.
+ */
-#ifdef HAVE_CONFIG_H
+/**
+ * @file
+ * @brief The main TEMPLATE backend driver file.
+ * @version $Id$
+ */
#include "config.h"
-#endif
#include "pseudo_irg.h"
#include "irgwalk.h"
#include "bitset.h"
#include "debug.h"
-#include "../bearch.h" /* the general register allocator interface */
-#include "../benode_t.h"
+#include "be.h"
+#include "../bearch.h"
+#include "../benode.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_gen_decls.h" /* interface declaration emitter */
+#include "TEMPLATE_new_nodes.h"
+#include "gen_TEMPLATE_regalloc_if.h"
#include "TEMPLATE_transform.h"
#include "TEMPLATE_emitter.h"
-#include "TEMPLATE_map_regs.h"
-
-#define DEBUG_MODULE "firm.be.TEMPLATE.isa"
-
-/* TODO: ugly, but we need it to get access to the registers assigned to Phi nodes */
-static set *cur_reg_set = NULL;
-
-/**************************************************
- * _ _ _ __
- * | | | (_)/ _|
- * _ __ ___ __ _ __ _| | | ___ ___ _| |_
- * | '__/ _ \/ _` | / _` | | |/ _ \ / __| | | _|
- * | | | __/ (_| | | (_| | | | (_) | (__ | | |
- * |_| \___|\__, | \__,_|_|_|\___/ \___| |_|_|
- * __/ |
- * |___/
- **************************************************/
-
-static ir_node *my_skip_proj(const ir_node *n) {
- while (is_Proj(n))
- n = get_Proj_pred(n);
- return (ir_node *)n;
-}
-
-/**
- * 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, arch_register_req_t *req, const ir_node *irn, int pos) {
- const TEMPLATE_register_req_t *irn_req;
- long node_pos = pos == -1 ? 0 : pos;
- ir_mode *mode = get_irn_mode(irn);
- FIRM_DBG_REGISTER(firm_dbg_module_t *mod, DEBUG_MODULE);
-
- if (mode == mode_T || mode == mode_M) {
- DBG((mod, LEVEL_1, "ignoring mode_T, mode_M node %+F\n", irn));
- return NULL;
- }
-
- DBG((mod, LEVEL_1, "get requirements at pos %d for %+F ... ", pos, irn));
-
- if (is_Proj(irn)) {
- /* 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(irn);
- }
- else {
- node_pos = pos;
- }
-
- irn = my_skip_proj(irn);
-
- DB((mod, LEVEL_1, "skipping Proj, going to %+F at pos %d ... ", irn, node_pos));
- }
-
- /* get requirements for our own nodes */
- if (is_TEMPLATE_irn(irn)) {
- if (pos >= 0) {
- irn_req = get_TEMPLATE_in_req(irn, pos);
- }
- else {
- irn_req = get_TEMPLATE_out_req(irn, node_pos);
- }
-
- DB((mod, LEVEL_1, "returning reqs for %+F at pos %d\n", irn, pos));
-
- memcpy(req, &(irn_req->req), sizeof(*req));
-
- if (arch_register_req_is(&(irn_req->req), should_be_same)) {
- assert(irn_req->same_pos >= 0 && "should be same constraint for in -> out NYI");
- req->other_same = get_irn_n(irn, irn_req->same_pos);
- }
-
- if (arch_register_req_is(&(irn_req->req), should_be_different)) {
- assert(irn_req->different_pos >= 0 && "should be different constraint for in -> out NYI");
- req->other_different = get_irn_n(irn, irn_req->different_pos);
- }
- }
- /* get requirements for FIRM nodes */
- else {
- /* treat Phi like Const with default requirements */
- if (is_Phi(irn)) {
- DB((mod, LEVEL_1, "returning standard reqs for %+F\n", irn));
-
- if (mode_is_float(mode)) {
- memcpy(req, &(TEMPLATE_default_req_TEMPLATE_floating_point.req), sizeof(*req));
- }
- else if (mode_is_int(mode) || mode_is_reference(mode)) {
- memcpy(req, &(TEMPLATE_default_req_TEMPLATE_general_purpose.req), sizeof(*req));
- }
- else if (mode == mode_T || mode == mode_M) {
- DBG((mod, LEVEL_1, "ignoring Phi node %+F\n", irn));
- return NULL;
- }
- else {
- assert(0 && "unsupported Phi-Mode");
- }
- }
- else {
- DB((mod, LEVEL_1, "returning NULL for %+F (node not supported)\n", irn));
- req = NULL;
- }
- }
-
- return 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 = my_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 = my_skip_proj(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 = my_skip_proj(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 = my_skip_proj(irn);
-
- if (is_TEMPLATE_irn(irn)) {
- return get_TEMPLATE_flags(irn);
- }
- else if (is_Unknown(irn)) {
- return arch_irn_flags_ignore;
- }
+DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
+static arch_irn_class_t TEMPLATE_classify(const ir_node *irn)
+{
+ (void) irn;
return 0;
}
-static entity *TEMPLATE_get_frame_entity(const void *self, const ir_node *irn) {
- /* TODO: return the entity assigned to the frame */
+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, const ir_node *irn, entity *ent) {
- /* TODO: set the entity assigned to the frame */
+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 */
}
/**
* This function is called by the generic backend to correct offsets for
* nodes accessing the stack.
*/
-static void TEMPLATE_set_stack_bias(const void *self, ir_node *irn, int bias) {
+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 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,
TEMPLATE_classify,
- TEMPLATE_get_flags,
TEMPLATE_get_frame_entity,
TEMPLATE_set_frame_entity,
- TEMPLATE_set_stack_bias
+ TEMPLATE_set_frame_offset,
+ TEMPLATE_get_sp_bias,
NULL, /* get_inverse */
NULL, /* get_op_estimated_cost */
NULL, /* possible_memory_operand */
NULL, /* perform_memory_operand */
};
-TEMPLATE_irn_ops_t TEMPLATE_irn_ops = {
- &TEMPLATE_irn_ops_if,
- NULL
-};
-
-
-/**************************************************
- * _ _ __
- * | | (_)/ _|
- * ___ ___ __| | ___ __ _ ___ _ __ _| |_
- * / __/ _ \ / _` |/ _ \/ _` |/ _ \ '_ \ | | _|
- * | (_| (_) | (_| | __/ (_| | __/ | | | | | |
- * \___\___/ \__,_|\___|\__, |\___|_| |_| |_|_|
- * __/ |
- * |___/
- **************************************************/
/**
* Transforms the standard firm graph into
* a TEMLPATE firm graph
*/
-static void TEMPLATE_prepare_graph(void *self) {
+static void TEMPLATE_prepare_graph(void *self)
+{
TEMPLATE_code_gen_t *cg = self;
irg_walk_blkwise_graph(cg->irg, NULL, TEMPLATE_transform_node, cg);
/**
* Called immediatly before emit phase.
*/
-static void TEMPLATE_finish_irg(void *self) {
+static void TEMPLATE_finish_irg(void *self)
+{
TEMPLATE_code_gen_t *cg = self;
ir_graph *irg = cg->irg;
}
-/**
- * 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) {
+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) {
+static void TEMPLATE_after_ra(void *self)
+{
+ (void) self;
/* Some stuff you need to do immediatly after register allocation */
}
* Emits the code, closes the output file and frees
* the code generator interface.
*/
-static void TEMPLATE_emit_and_done(void *self) {
+static void TEMPLATE_emit_and_done(void *self)
+{
TEMPLATE_code_gen_t *cg = self;
ir_graph *irg = cg->irg;
- FILE *out = cg->isa->out;
-
- if (cg->emit_decls) {
- TEMPLATE_gen_decls(out);
- cg->emit_decls = 0;
- }
- TEMPLATE_gen_routine(out, irg, cg);
-
- cur_reg_set = NULL;
+ TEMPLATE_gen_routine(cg, irg);
/* de-allocate code generator */
- del_set(cg->reg_set);
- free(self);
+ free(cg);
}
-static void *TEMPLATE_cg_init(const be_irg_t *birg);
+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,
- TEMPLATE_before_sched, /* before scheduling hook */
+ NULL, /* spill hook */
TEMPLATE_before_ra, /* before register allocation hook */
TEMPLATE_after_ra, /* after register allocation hook */
TEMPLATE_finish_irg,
/**
* Initializes the code generator.
*/
-static void *TEMPLATE_cg_init(const 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));
+static void *TEMPLATE_cg_init(be_irg_t *birg)
+{
+ 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->reg_set = new_set(TEMPLATE_cmp_irn_reg_assoc, 1024);
- cg->arch_env = birg->main_env->arch_env;
+ cg->irg = be_get_birg_irg(birg);
cg->isa = isa;
cg->birg = birg;
- FIRM_DBG_REGISTER(cg->mod, "firm.be.TEMPLATE.cg");
-
- isa->num_codegens++;
-
- if (isa->num_codegens > 1)
- cg->emit_decls = 0;
- else
- cg->emit_decls = 1;
-
- cur_reg_set = cg->reg_set;
-
- TEMPLATE_irn_ops.cg = cg;
return (arch_code_generator_t *)cg;
}
-/*****************************************************************
- * ____ _ _ _____ _____
- * | _ \ | | | | |_ _|/ ____| /\
- * | |_) | __ _ ___| | _____ _ __ __| | | | | (___ / \
- * | _ < / _` |/ __| |/ / _ \ '_ \ / _` | | | \___ \ / /\ \
- * | |_) | (_| | (__| < __/ | | | (_| | _| |_ ____) / ____ \
- * |____/ \__,_|\___|_|\_\___|_| |_|\__,_| |_____|_____/_/ \_\
- *
- *****************************************************************/
-
+const arch_isa_if_t TEMPLATE_isa_if;
static TEMPLATE_isa_t TEMPLATE_isa_template = {
- &TEMPLATE_isa_if,
- &TEMPLATE_general_purpose_regs[REG_R6],
- &TEMPLATE_general_purpose_regs[REG_R7],
- -1,
- 0
+ {
+ &TEMPLATE_isa_if, /* isa interface implementation */
+ &TEMPLATE_gp_regs[REG_SP], /* stack pointer register */
+ &TEMPLATE_gp_regs[REG_BP], /* base pointer register */
+ &TEMPLATE_reg_classes[CLASS_TEMPLATE_gp], /* 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 */
+ },
};
/**
- * Initializes the backend ISA and opens the output file.
+ * Initializes the backend ISA
*/
-static void *TEMPLATE_init(FILE *outfile) {
- static int inited = 0;
+static arch_env_t *TEMPLATE_init(FILE *outfile)
+{
+ static int run_once = 0;
TEMPLATE_isa_t *isa;
- if(inited)
+ if (run_once)
return NULL;
+ run_once = 1;
- isa = xcalloc(1, sizeof(*isa));
+ isa = XMALLOC(TEMPLATE_isa_t);
memcpy(isa, &TEMPLATE_isa_template, sizeof(*isa));
- isa->out = outfile;
-
- TEMPLATE_register_init(isa);
- TEMPLATE_create_opcodes();
+ be_emit_init(outfile);
- inited = 1;
+ TEMPLATE_register_init();
+ TEMPLATE_create_opcodes(&TEMPLATE_irn_ops);
- return isa;
+ return &isa->arch_env;
}
/**
* Closes the output file and frees the ISA structure.
*/
-static void TEMPLATE_done(void *self) {
+static void TEMPLATE_done(void *self)
+{
+ TEMPLATE_isa_t *isa = self;
+
+ /* emit now all global declarations */
+ be_gas_emit_decls(isa->arch_env.main_env);
+
+ be_emit_exit();
free(self);
}
-
-static int TEMPLATE_get_n_reg_class(const void *self) {
+static unsigned TEMPLATE_get_n_reg_class(void)
+{
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(unsigned i)
+{
+ assert(i < N_CLASSES);
return &TEMPLATE_reg_classes[i];
}
* @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 ir_mode *mode)
+{
if (mode_is_float(mode))
- return &TEMPLATE_reg_classes[CLASS_TEMPLATE_floating_point];
+ return &TEMPLATE_reg_classes[CLASS_TEMPLATE_fp];
else
- return &TEMPLATE_reg_classes[CLASS_TEMPLATE_general_purpose];
+ return &TEMPLATE_reg_classes[CLASS_TEMPLATE_gp];
}
+typedef struct {
+ be_abi_call_flags_bits_t flags;
+ const arch_env_t *arch_env;
+ 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(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;
+ return env;
+}
+
/**
- * Produces the type which sits between the stack args and the locals on the stack.
- * it will contain the return address and space to store the old base pointer.
- * @return The Firm type modelling the ABI between type.
+ * Get the between type for that call.
+ * @param self The callback object.
+ * @return The between type of for that call.
*/
-static ir_type *get_between_type(void) {
+static ir_type *TEMPLATE_get_between_type(void *self)
+{
static ir_type *between_type = NULL;
- static entity *old_bp_ent = NULL;
+ static ir_entity *old_bp_ent = NULL;
+ (void) self;
- if(!between_type) {
- entity *ret_addr_ent;
- ir_type *ret_addr_type = new_type_primitive(new_id_from_str("return_addr"), mode_P);
- ir_type *old_bp_type = new_type_primitive(new_id_from_str("bp"), mode_P);
+ if (!between_type) {
+ ir_entity *ret_addr_ent;
+ ir_type *ret_addr_type = new_type_primitive(mode_P);
+ ir_type *old_bp_type = new_type_primitive(mode_P);
between_type = new_type_class(new_id_from_str("TEMPLATE_between_type"));
old_bp_ent = new_entity(between_type, new_id_from_str("old_bp"), old_bp_type);
ret_addr_ent = new_entity(between_type, new_id_from_str("old_bp"), ret_addr_type);
- set_entity_offset_bytes(old_bp_ent, 0);
- set_entity_offset_bytes(ret_addr_ent, get_type_size_bytes(old_bp_type));
+ set_entity_offset(old_bp_ent, 0);
+ set_entity_offset(ret_addr_ent, get_type_size_bytes(old_bp_type));
set_type_size_bytes(between_type, get_type_size_bytes(old_bp_type) + get_type_size_bytes(ret_addr_type));
}
return between_type;
}
+/**
+ * Build the prolog, return the BASE POINTER register
+ */
+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->arch_env->sp;
+ return env->arch_env->bp;
+}
+
+/* Build the epilog */
+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_prologue,
+ TEMPLATE_abi_epilogue,
+};
+
/**
* Get the ABI restrictions for procedure calls.
* @param self The this pointer.
* @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) {
- ir_type *between_type;
+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);
- const arch_register_t *reg;
be_abi_call_flags_t call_flags;
+ (void) self;
/* set abi flags for calls */
call_flags.bits.left_to_right = 0;
call_flags.bits.fp_free = 0;
call_flags.bits.call_has_imm = 1;
- /* get the between type and the frame pointer save entity */
- between_type = get_between_type();
-
/* set stack parameter passing style */
- be_abi_call_set_flags(abi, call_flags, between_type);
+ be_abi_call_set_flags(abi, call_flags, &TEMPLATE_abi_callbacks);
for (i = 0; i < n; i++) {
/* TODO: implement register parameter: */
/* 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 */
mode = get_type_mode(tp);
be_abi_call_res_reg(abi, 0,
- mode_is_float(mode) ? &TEMPLATE_floating_point_regs[REG_F0] : &TEMPLATE_general_purpose_regs[REG_R0]);
+ mode_is_float(mode) ? &TEMPLATE_fp_regs[REG_F0] : &TEMPLATE_gp_regs[REG_R0]);
}
}
-static const void *TEMPLATE_get_irn_ops(const arch_irn_handler_t *self, const ir_node *irn) {
- return &TEMPLATE_irn_ops;
-}
-
-const arch_irn_handler_t TEMPLATE_irn_handler = {
- TEMPLATE_get_irn_ops
-};
+int TEMPLATE_to_appear_in_schedule(void *block_env, const ir_node *irn)
+{
+ (void) block_env;
-const arch_irn_handler_t *TEMPLATE_get_irn_handler(const void *self) {
- return &TEMPLATE_irn_handler;
-}
+ if (!is_TEMPLATE_irn(irn))
+ return -1;
-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;
}
/**
* 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) {
- 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)
+{
+ (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 arch_register_class_t *cls)
+{
ir_mode *mode = arch_register_class_mode(cls);
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;
}
-#ifdef WITH_LIBCORE
-static void TEMPLATE_register_options(lc_opt_entry_t *ent)
+static const be_execution_unit_t ***TEMPLATE_get_allowed_execution_units(
+ const ir_node *irn)
{
+ (void) irn;
+ /* TODO */
+ assert(0);
+ return NULL;
+}
+
+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 char **c)
+{
+ (void) c;
+ return ASM_CONSTRAINT_FLAG_INVALID;
+}
+
+static int TEMPLATE_is_valid_clobber(const char *clobber)
+{
+ (void) clobber;
+ return 0;
}
-#endif /* WITH_LIBCORE */
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,
-#ifdef WITH_LIBCORE
- TEMPLATE_register_options
-#endif
+ TEMPLATE_get_backend_params,
+ TEMPLATE_get_allowed_execution_units,
+ 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)
+{
+ be_register_isa_if("TEMPLATE", &TEMPLATE_isa_if);
+ FIRM_DBG_REGISTER(dbg, "firm.be.TEMPLATE.cg");
+ TEMPLATE_init_transform();
+}
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_arch_TEMPLATE);