-/* The main mips 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 mips backend driver file.
+ * @author Matthias Braun, Mehdi
+ * @version $Id$
+ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#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 "../beabi.h"
#include "../bemachine.h"
#include "../bemodule.h"
+#include "../beemitter.h"
+#include "../begnuas.h"
+#include "../begnuas.h"
#include "bearch_mips_t.h"
-#include "mips_new_nodes.h" /* mips nodes interface */
-#include "gen_mips_regalloc_if.h" /* the generated interface (register type and class defenitions) */
-#include "mips_gen_decls.h" /* interface declaration emitter */
+#include "mips_new_nodes.h"
+#include "gen_mips_regalloc_if.h"
#include "mips_transform.h"
#include "mips_emitter.h"
#include "mips_map_regs.h"
* the code generator interface.
*/
static void mips_emit_and_done(void *self) {
- mips_code_gen_t *cg = self;
- ir_graph *irg = cg->irg;
- FILE *out = cg->isa->out;
-
- mips_register_emitters();
-
- if (cg->emit_decls) {
- mips_gen_decls(out);
- cg->emit_decls = 0;
- }
+ mips_code_gen_t *cg = self;
+ ir_graph *irg = cg->irg;
- mips_gen_routine(out, irg, cg);
+ mips_gen_routine(cg, irg);
cur_reg_set = NULL;
* Initializes the code generator.
*/
static void *mips_cg_init(be_irg_t *birg) {
- mips_isa_t *isa = (mips_isa_t *)birg->main_env->arch_env->isa;
- mips_code_gen_t *cg = xmalloc(sizeof(*cg));
+ const arch_env_t *arch_env = be_get_birg_arch_env(birg);
+ mips_isa_t *isa = (mips_isa_t *) arch_env->isa;
+ mips_code_gen_t *cg = xmalloc(sizeof(*cg));
cg->impl = &mips_code_gen_if;
- cg->irg = birg->irg;
+ cg->irg = be_get_birg_irg(birg);
cg->reg_set = new_set(mips_cmp_irn_reg_assoc, 1024);
- cg->arch_env = birg->main_env->arch_env;
+ cg->arch_env = arch_env;
cg->isa = isa;
cg->birg = birg;
cg->bl_list = NULL;
FIRM_DBG_REGISTER(cg->mod, "firm.be.mips.cg");
- isa->num_codegens++;
-
- if (isa->num_codegens > 1)
- cg->emit_decls = 0;
- else
- cg->emit_decls = 1;
-
cur_reg_set = cg->reg_set;
mips_irn_ops.cg = cg;
*****************************************************************/
static mips_isa_t mips_isa_template = {
- &mips_isa_if,
- &mips_gp_regs[REG_SP],
- &mips_gp_regs[REG_FP],
- -1, // stack direction
- 0, // num codegens?!? TODO what is this?
- NULL
+ {
+ &mips_isa_if,
+ &mips_gp_regs[REG_SP],
+ &mips_gp_regs[REG_FP],
+ -1, /* stack direction */
+ NULL, /* main environment */
+ },
+ { NULL, }, /* emitter environment */
};
/**
if(inited)
return NULL;
+ inited = 1;
- isa = xcalloc(1, sizeof(*isa));
- memcpy(isa, &mips_isa_template, sizeof(*isa));
+ isa = xcalloc(1, sizeof(isa[0]));
+ memcpy(isa, &mips_isa_template, sizeof(isa[0]));
- isa->out = file_handle;
+ be_emit_init_env(&isa->emit, file_handle);
mips_register_init(isa);
mips_create_opcodes();
mips_init_opcode_transforms();
- inited = 1;
+ /* we mark referenced global entities, so we can only emit those which
+ * are actually referenced. (Note: you mustn't use the type visited flag
+ * elsewhere in the backend)
+ */
+ inc_master_type_visited();
return isa;
}
* Closes the output file and frees the ISA structure.
*/
static void mips_done(void *self) {
- free(self);
+ mips_isa_t *isa = self;
+
+ be_gas_emit_decls(&isa->emit, isa->arch_isa.main_env, 1);
+
+ be_emit_destroy_env(&isa->emit);
+ free(isa);
}
static int mips_get_n_reg_class(const void *self) {
typedef struct {
be_abi_call_flags_bits_t flags;
- const mips_isa_t *isa;
+ const arch_isa_t *isa;
const arch_env_t *arch_env;
ir_graph *irg;
// do special handling to support debuggers
{
mips_abi_env_t *env = xmalloc(sizeof(env[0]));
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 = (const mips_isa_t*) arch_env->isa;
- env->debug = 1;
+ env->flags = fl.bits;
+ env->irg = irg;
+ env->arch_env = arch_env;
+ env->isa = arch_env->isa;
+ env->debug = 1;
return env;
}
static void mips_abi_dont_save_regs(void *self, pset *s)
{
mips_abi_env_t *env = self;
+
if(env->flags.try_omit_fp)
- pset_insert_ptr(s, env->isa->fp);
+ pset_insert_ptr(s, env->isa->bp);
}
static const arch_register_t *mips_abi_prologue(void *self, ir_node** mem, pmap *reg_map)
projects / libfirm / blobdiff