/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @brief emit assembler for a backend graph
* @version $Id$
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <limits.h>
#include "gen_TEMPLATE_emitter.h"
#include "TEMPLATE_nodes_attr.h"
#include "TEMPLATE_new_nodes.h"
-#include "TEMPLATE_map_regs.h"
#define SNPRINTF_BUF_LEN 128
/**
* Returns the register at in position pos.
*/
-static const arch_register_t *get_in_reg(const arch_env_t *arch_env,
- const ir_node *node, int pos)
+static const arch_register_t *get_in_reg(const ir_node *node, int pos)
{
ir_node *op;
const arch_register_t *reg = NULL;
in register we need. */
op = get_irn_n(node, pos);
- reg = arch_get_irn_register(arch_env, op);
+ reg = arch_get_irn_register(op);
assert(reg && "no in register found");
return reg;
/**
* Returns the register at out position pos.
*/
-static const arch_register_t *get_out_reg(const arch_env_t *arch_env,
- const ir_node *node, int pos)
+static const arch_register_t *get_out_reg(const ir_node *node, int pos)
{
ir_node *proj;
const arch_register_t *reg = NULL;
/* Proj with the corresponding projnum for the register */
if (get_irn_mode(node) != mode_T) {
- reg = arch_get_irn_register(arch_env, node);
+ reg = arch_get_irn_register(node);
} else if (is_TEMPLATE_irn(node)) {
- reg = get_TEMPLATE_out_reg(node, pos);
+ reg = arch_irn_get_register(node, pos);
} else {
const ir_edge_t *edge;
proj = get_edge_src_irn(edge);
assert(is_Proj(proj) && "non-Proj from mode_T node");
if (get_Proj_proj(proj) == pos) {
- reg = arch_get_irn_register(arch_env, proj);
+ reg = arch_get_irn_register(proj);
break;
}
}
* |_| |_|
*************************************************************/
-void TEMPLATE_emit_immediate(TEMPLATE_emit_env_t *env, const ir_node *node)
+void TEMPLATE_emit_immediate(const ir_node *node)
{
+ (void) node;
/* TODO */
}
-void TEMPLATE_emit_source_register(TEMPLATE_emit_env_t *env, const ir_node *node, int pos)
+void TEMPLATE_emit_source_register(const ir_node *node, int pos)
{
- const arch_register_t *reg = get_in_reg(env->arch_env, node, pos);
- be_emit_string(env->emit, arch_register_get_name(reg));
+ const arch_register_t *reg = get_in_reg(node, pos);
+ be_emit_string(arch_register_get_name(reg));
}
-void TEMPLATE_emit_dest_register(TEMPLATE_emit_env_t *env, const ir_node *node, int pos)
+void TEMPLATE_emit_dest_register(const ir_node *node, int pos)
{
- const arch_register_t *reg = get_out_reg(env->arch_env, node, pos);
- be_emit_string(env->emit, arch_register_get_name(reg));
+ const arch_register_t *reg = get_out_reg(node, pos);
+ be_emit_string(arch_register_get_name(reg));
}
/**
* Returns the target label for a control flow node.
*/
-static void TEMPLATE_emit_cfop_target(TEMPLATE_emit_env_t *env, const ir_node *node) {
+static void TEMPLATE_emit_cfop_target(const ir_node *node)
+{
ir_node *block = get_irn_link(node);
- be_emit_irprintf(env->emit, "BLOCK_%ld", get_irn_node_nr(block));
+ be_emit_irprintf("BLOCK_%ld", get_irn_node_nr(block));
}
/***********************************************************************************
/**
* Emits code for a unconditional jump.
*/
-static void emit_Jmp(TEMPLATE_emit_env_t *env, const ir_node *node) {
+static void emit_Jmp(const ir_node *node)
+{
ir_node *block;
/* for now, the code works for scheduled and non-schedules blocks */
block = get_nodes_block(node);
- be_emit_cstring(env->emit, "\tjmp ");
- TEMPLATE_emit_cfop_target(env, node);
- be_emit_finish_line_gas(env->emit, node);
+ be_emit_cstring("\tjmp ");
+ TEMPLATE_emit_cfop_target(node);
+ be_emit_finish_line_gas(node);
}
/**
* Enters the emitter functions for handled nodes into the generic
* pointer of an opcode.
*/
-static void TEMPLATE_register_emitters(void) {
+static void TEMPLATE_register_emitters(void)
+{
/* some convienience macros to register additional emitter functions
(other than the generated ones) */
#undef EMIT
}
-typedef void (*emit_func_ptr) (TEMPLATE_emit_env_t *, const ir_node *);
+typedef void (*emit_func_ptr) (const ir_node *);
/**
* Emits code for a node.
*/
-void TEMPLATE_emit_node(TEMPLATE_emit_env_t *env, const ir_node *node) {
+void TEMPLATE_emit_node(const ir_node *node)
+{
ir_op *op = get_irn_op(node);
- DEBUG_ONLY(firm_dbg_module_t *mod = env->mod;)
-
- DBG((mod, LEVEL_1, "emitting code for %+F\n", node));
if (op->ops.generic) {
emit_func_ptr func = (emit_func_ptr) op->ops.generic;
- (*func) (env, node);
+ (*func) (node);
} else {
ir_fprintf(stderr, "No emitter for node %+F\n", node);
}
* Walks over the nodes in a block connected by scheduling edges
* and emits code for each node.
*/
-void TEMPLATE_gen_block(ir_node *block, void *data) {
- TEMPLATE_emit_env_t *env = data;
+void TEMPLATE_gen_block(ir_node *block, void *data)
+{
ir_node *node;
+ (void) data;
if (! is_Block(block))
return;
- be_emit_cstring(env->emit, "BLOCK_");
- be_emit_irprintf(env->emit, "%ld:\n", get_irn_node_nr(block));
- be_emit_write_line(env->emit);
+ be_emit_cstring("BLOCK_");
+ be_emit_irprintf("%ld:\n", get_irn_node_nr(block));
+ be_emit_write_line();
sched_foreach(block, node) {
- TEMPLATE_emit_node(env, node);
+ TEMPLATE_emit_node(node);
}
}
/**
* Emits code for function start.
*/
-void TEMPLATE_emit_func_prolog(TEMPLATE_emit_env_t *env, ir_graph *irg) {
+void TEMPLATE_emit_func_prolog(ir_graph *irg)
+{
const char *irg_name = get_entity_name(get_irg_entity(irg));
/* TODO: emit function header */
- be_emit_cstring(env->emit, "/* start of ");
- be_emit_string(env->emit, irg_name);
- be_emit_cstring(env->emit, " */\n");
- be_emit_write_line(env->emit);
+ be_emit_cstring("/* start of ");
+ be_emit_string(irg_name);
+ be_emit_cstring(" */\n");
+ be_emit_write_line();
}
/**
* Emits code for function end
*/
-void TEMPLATE_emit_func_epilog(TEMPLATE_emit_env_t *env, ir_graph *irg) {
+void TEMPLATE_emit_func_epilog(ir_graph *irg)
+{
const char *irg_name = get_entity_name(get_irg_entity(irg));
/* TODO: emit function end */
- be_emit_cstring(env->emit, "/* end of ");
- be_emit_string(env->emit, irg_name);
- be_emit_cstring(env->emit, " */\n");
- be_emit_write_line(env->emit);
+ be_emit_cstring("/* end of ");
+ be_emit_string(irg_name);
+ be_emit_cstring(" */\n");
+ be_emit_write_line();
}
/**
* Sets labels for control flow nodes (jump target)
* TODO: Jump optimization
*/
-void TEMPLATE_gen_labels(ir_node *block, void *env) {
+void TEMPLATE_gen_labels(ir_node *block, void *env)
+{
ir_node *pred;
int n = get_Block_n_cfgpreds(block);
+ (void) env;
for (n--; n >= 0; n--) {
pred = get_Block_cfgpred(block, n);
/**
* Main driver
*/
-void TEMPLATE_gen_routine(const TEMPLATE_code_gen_t *cg, ir_graph *irg) {
- TEMPLATE_emit_env_t env;
-
- env.isa = (TEMPLATE_isa_t *) cg->arch_env->isa;
- env.emit = &env.isa->emit;
- env.arch_env = cg->arch_env;
- env.cg = cg;
- FIRM_DBG_REGISTER(env.mod, "firm.be.TEMPLATE.emit");
+void TEMPLATE_gen_routine(const TEMPLATE_code_gen_t *cg, ir_graph *irg)
+{
+ (void)cg;
/* register all emitter functions */
TEMPLATE_register_emitters();
- TEMPLATE_emit_func_prolog(&env, irg);
- irg_block_walk_graph(irg, TEMPLATE_gen_labels, NULL, &env);
- irg_walk_blkwise_graph(irg, NULL, TEMPLATE_gen_block, &env);
- TEMPLATE_emit_func_epilog(&env, irg);
+ TEMPLATE_emit_func_prolog(irg);
+ irg_block_walk_graph(irg, TEMPLATE_gen_labels, NULL, NULL);
+ irg_walk_blkwise_graph(irg, NULL, TEMPLATE_gen_block, NULL);
+ TEMPLATE_emit_func_epilog(irg);
}
projects / libfirm / blobdiff