-/* The main TEMPLATE backend driver file. */
-/* $Id$ */
-#ifdef HAVE_CONFIG_H
+/*
+ * 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"
-#endif
#include "pseudo_irg.h"
#include "irgwalk.h"
#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"
* |___/
**************************************************/
-/**
- * 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 */
}
* 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,
NULL, /* perform_memory_operand */
};
-TEMPLATE_irn_ops_t TEMPLATE_irn_ops = {
- &TEMPLATE_irn_ops_if,
- NULL
-};
-
-
-
/**************************************************
* _ _ __
* | | (_)/ _|
}
-/**
- * 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 */
}
/* 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,
* 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;
}
&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 */
},
- { NULL, }, /* 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;
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;
}
TEMPLATE_isa_t *isa = self;
/* emit now all global declarations */
- be_gas_emit_decls(&isa->emit, isa->arch_isa.main_env, 0);
+ 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];
}
* @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
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;
}
* @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;
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 TEMPLATE_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,
TEMPLATE_abi_epilogue,
};
* @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;
/* 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 */
}
}
-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;
}
/**
* 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)