-/* The main TEMPLATE backend driver file. */
-/* $Id$ */
+/*
+ * Copyright (C) 1995-2007 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 $Id$
+ */
#ifdef HAVE_CONFIG_H
-#include <config.h>
+#include "config.h"
#endif
#include "pseudo_irg.h"
#include "bitset.h"
#include "debug.h"
-#include "../bearch.h" /* the general register allocator interface */
+#include "../bearch_t.h"
#include "../benode_t.h"
#include "../belower.h"
#include "../besched_t.h"
#include "../be.h"
#include "../beabi.h"
#include "../bemodule.h"
+#include "../begnuas.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;
+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(irn);
- FIRM_DBG_REGISTER(firm_dbg_module_t *mod, DEBUG_MODULE);
+ ir_mode *mode = get_irn_mode(node);
if (mode == mode_T || mode == mode_M) {
- DBG((mod, LEVEL_1, "ignoring mode_T, mode_M node %+F\n", irn));
- return NULL;
+ return arch_no_register_req;
}
- DBG((mod, LEVEL_1, "get requirements at pos %d for %+F ... ", pos, irn));
-
- if (is_Proj(irn)) {
+ 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(irn);
- }
- else {
+ node_pos = TEMPLATE_translate_proj_pos(node);
+ } else {
node_pos = pos;
}
- irn = my_skip_proj(irn);
-
- DB((mod, LEVEL_1, "skipping Proj, going to %+F at pos %d ... ", irn, node_pos));
+ node = skip_Proj_const(node);
}
/* get requirements for our own nodes */
- if (is_TEMPLATE_irn(irn)) {
+ if (is_TEMPLATE_irn(node)) {
+ const arch_register_req_t *req;
if (pos >= 0) {
- irn_req = get_TEMPLATE_in_req(irn, pos);
- }
- else {
- irn_req = get_TEMPLATE_out_req(irn, node_pos);
+ req = get_TEMPLATE_in_req(node, pos);
+ } else {
+ req = get_TEMPLATE_out_req(node, node_pos);
}
- DB((mod, LEVEL_1, "returning reqs for %+F at pos %d\n", irn, pos));
+ assert(req != NULL);
- 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;
}
- 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) {
if (is_Proj(irn)) {
pos = TEMPLATE_translate_proj_pos(irn);
- irn = my_skip_proj(irn);
+ irn = skip_Proj(irn);
}
if (is_TEMPLATE_irn(irn)) {
}
}
-static const arch_register_t *TEMPLATE_get_irn_reg(const void *self, const ir_node *irn) {
+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);
+ irn = skip_Proj_const(irn);
}
if (is_TEMPLATE_irn(irn)) {
- const arch_register_t **slots;
- slots = get_TEMPLATE_slots(irn);
+ const arch_register_t * const *slots;
+ slots = get_TEMPLATE_slots_const(irn);
reg = slots[pos];
}
else {
}
static arch_irn_class_t TEMPLATE_classify(const void *self, const ir_node *irn) {
- irn = my_skip_proj(irn);
+ irn = skip_Proj_const(irn);
if (is_cfop(irn)) {
return arch_irn_class_branch;
}
static arch_irn_flags_t TEMPLATE_get_flags(const void *self, const ir_node *irn) {
- irn = my_skip_proj(irn);
+ irn = skip_Proj_const(irn);
if (is_TEMPLATE_irn(irn)) {
return get_TEMPLATE_flags(irn);
return 0;
}
-static ir_entity *TEMPLATE_get_frame_entity(const void *self, const ir_node *irn) {
+static ir_entity *TEMPLATE_get_frame_entity(const void *self, const ir_node *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, ir_entity *ent) {
+static void TEMPLATE_set_frame_entity(const void *self, ir_node *node, ir_entity *ent) {
/* TODO: set the ir_entity assigned to the frame */
}
/* Some stuff you need to do after scheduling but before register allocation */
}
-static void TEMPLATE_before_ra(void *self, be_irg_t *birg) {
+static void TEMPLATE_before_ra(void *self) {
/* Some stuff you need to do after scheduling but before register allocation */
}
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);
+ TEMPLATE_gen_routine(cg, irg);
cur_reg_set = NULL;
/* 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, /* 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 */
/**
* 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->isa;
+ TEMPLATE_code_gen_t *cg = xmalloc(sizeof(*cg));
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->arch_env = arch_env;
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;
*****************************************************************/
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_general_purpose_regs[REG_SP], /* stack pointer register */
+ &TEMPLATE_general_purpose_regs[REG_BP], /* base pointer register */
+ -1, /* stack direction */
+ 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 int inited = 0;
+ static int run_once = 0;
TEMPLATE_isa_t *isa;
- if(inited)
+ if(run_once)
return NULL;
+ run_once = 1;
isa = xcalloc(1, sizeof(*isa));
memcpy(isa, &TEMPLATE_isa_template, sizeof(*isa));
- isa->out = outfile;
+ be_emit_init_env(&isa->emit, outfile);
TEMPLATE_register_init(isa);
TEMPLATE_create_opcodes();
- inited = 1;
-
return isa;
}
* Closes the output file and frees the ISA structure.
*/
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, 0);
+
+ be_emit_destroy_env(&isa->emit);
free(self);
}
* @return The between type of for that call.
*/
static ir_type *TEMPLATE_get_between_type(void *self) {
- TEMPLATE_abi_env_t *env = self;
+ //TEMPLATE_abi_env_t *env = self;
static ir_type *between_type = NULL;
static ir_entity *old_bp_ent = NULL;
}
/* 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) {
+ //TEMPLATE_abi_env_t *env = self;
}
static const be_abi_callbacks_t TEMPLATE_abi_callbacks = {
TEMPLATE_get_between_type,
TEMPLATE_abi_dont_save_regs,
TEMPLATE_abi_prologue,
- arm_abi_epilogue,
+ TEMPLATE_abi_epilogue,
};
/**
projects / libfirm / blobdiff