/* The main mips backend driver file. */
/* $Id$ */
-
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
#include "pseudo_irg.h"
#include "../besched_t.h"
#include "../be.h"
#include "../beabi.h"
+#include "../bemachine.h"
+#include "../bemodule.h"
#include "bearch_mips_t.h"
* |___/
**************************************************/
-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 mips 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 *mips_get_irn_reg_req(const void *self, arch_register_req_t *req, const ir_node *irn, int pos) {
- const mips_register_req_t *irn_req;
+static const
+arch_register_req_t *mips_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 (is_Block(irn) || mode == mode_X || mode == mode_M) {
- DBG((mod, LEVEL_1, "ignoring mode_T, mode_M node %+F\n", irn));
- return NULL;
+ if (is_Block(node) || mode == mode_X || mode == mode_M) {
+ return arch_no_register_req;
}
if (mode == mode_T && pos < 0) {
- DBG((mod, LEVEL_1, "ignoring request for OUT requirements at %+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 = mips_translate_proj_pos(irn);
+ node_pos = mips_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_mips_irn(irn)) {
+ if (is_mips_irn(node)) {
+ const arch_register_req_t *req;
if (pos >= 0) {
- irn_req = get_mips_in_req(irn, pos);
- }
- else {
- irn_req = get_mips_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);
+ req = get_mips_in_req(node, pos);
+ } else {
+ req = get_mips_out_req(node, node_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);
- }
+ return req;
}
- /* 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, &(mips_default_req_mips_floating_point.req), sizeof(*req));
- assert(0 && "floating point not supported (yet)");
- }
- else if (mode_is_int(mode) || mode_is_reference(mode)) {
- memcpy(req, &(mips_default_req_mips_gp.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;
- }
- }
+ /* unknown should be translated by now */
+ assert(!is_Unknown(node));
- return req;
+ return arch_no_register_req;
}
static void mips_set_irn_reg(const void *self, ir_node *irn, const arch_register_t *reg) {
}
pos = mips_translate_proj_pos(irn);
- irn = my_skip_proj(irn);
+ irn = skip_Proj(irn);
}
if (is_mips_irn(irn)) {
}
pos = mips_translate_proj_pos(irn);
- irn = my_skip_proj(irn);
+ irn = skip_Proj_const(irn);
}
if (is_mips_irn(irn)) {
}
static arch_irn_class_t mips_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 mips_get_flags(const void *self, const ir_node *irn) {
- irn = my_skip_proj(irn);
+ irn = skip_Proj_const(irn);
if (is_mips_irn(irn)) {
return get_mips_flags(irn);
return 0;
}
-static entity *mips_get_frame_entity(const void *self, const ir_node *irn) {
+static ir_entity *mips_get_frame_entity(const void *self, const ir_node *irn) {
if(is_mips_load_r(irn) || is_mips_store_r(irn)) {
mips_attr_t *attr = get_mips_attr(irn);
return NULL;
}
+static void mips_set_frame_entity(const void *self, ir_node *irn, ir_entity *ent) {
+ mips_attr_t *attr = get_mips_attr(irn);
+ assert(is_mips_load_r(irn) || is_mips_store_r(irn));
+ attr->stack_entity = ent;
+}
+
/**
* This function is called by the generic backend to correct offsets for
* nodes accessing the stack.
attr->stack_entity_offset = offset;
}
+static int mips_get_sp_bias(const void *self, const ir_node *irn) {
+ return 0;
+}
+
/* fill register allocator interface */
static const arch_irn_ops_if_t mips_irn_ops_if = {
mips_classify,
mips_get_flags,
mips_get_frame_entity,
+ mips_set_frame_entity,
mips_set_frame_offset,
- NULL
+ mips_get_sp_bias,
+ NULL, /* get_inverse */
+ NULL, /* get_op_estimated_cost */
+ NULL, /* possible_memory_operand */
+ NULL, /* perform_memory_operand */
};
mips_irn_ops_t mips_irn_ops = {
/**
* Called immediately before emit phase.
*/
-static void mips_finish_irg(ir_graph *irg, mips_code_gen_t *cg) {
- /* TODO: - fix offsets for nodes accessing stack
- - ...
- */
+static void mips_finish_irg(void *self) {
+ mips_code_gen_t *cg = self;
+ ir_graph *irg = cg->irg;
+
+ dump_ir_block_graph_sched(irg, "-mips-finished");
}
cg->emit_decls = 0;
}
- mips_finish_irg(irg, cg);
- dump_ir_block_graph_sched(irg, "-mips-finished");
mips_gen_routine(out, irg, cg);
cur_reg_set = NULL;
free(cg);
}
-static void *mips_cg_init(const be_irg_t *birg);
+static void *mips_cg_init(be_irg_t *birg);
static const arch_code_generator_if_t mips_code_gen_if = {
mips_cg_init,
NULL, /* before abi introduce */
mips_prepare_graph,
+ NULL, /* spill */
mips_before_sched, /* before scheduling hook */
mips_before_ra, /* before register allocation hook */
mips_after_ra,
+ mips_finish_irg,
mips_emit_and_done
};
/**
* Initializes the code generator.
*/
-static void *mips_cg_init(const be_irg_t *birg) {
+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));
int initial_frame_size = env->debug ? 24 : 4;
int fp_save_offset = env->debug ? 16 : 0;
- // restore sp
- //sp = be_new_IncSP(&mips_gp_regs[REG_SP], irg, block, sp, *mem, BE_STACK_FRAME_SIZE, be_stack_dir_against);
-
// copy fp to sp
sp = new_rd_mips_move(dbg, irg, block, fp, mode_Iu);
mips_set_irn_reg(NULL, sp, &mips_gp_regs[REG_SP]);
static ir_type *debug_between_type = NULL;
static ir_type *opt_between_type = NULL;
- static entity *old_fp_ent = NULL;
+ static ir_entity *old_fp_ent = NULL;
if(env->debug && debug_between_type == NULL) {
- entity *a0_ent, *a1_ent, *a2_ent, *a3_ent;
- entity *ret_addr_ent;
+ ir_entity *a0_ent, *a1_ent, *a2_ent, *a3_ent;
+ ir_entity *ret_addr_ent;
ir_type *ret_addr_type = new_type_primitive(new_id_from_str("return_addr"), mode_P);
ir_type *old_fp_type = new_type_primitive(new_id_from_str("fp"), mode_P);
ir_type *old_param_type = new_type_primitive(new_id_from_str("param"), mode_Iu);
old_fp_ent = new_entity(debug_between_type, new_id_from_str("old_fp"), old_fp_type);
ret_addr_ent = new_entity(debug_between_type, new_id_from_str("ret_addr"), ret_addr_type);
- set_entity_offset_bytes(a0_ent, 0);
- set_entity_offset_bytes(a1_ent, 4);
- set_entity_offset_bytes(a2_ent, 8);
- set_entity_offset_bytes(a3_ent, 12);
- set_entity_offset_bytes(old_fp_ent, 16);
- set_entity_offset_bytes(ret_addr_ent, 20);
+ set_entity_offset(a0_ent, 0);
+ set_entity_offset(a1_ent, 4);
+ set_entity_offset(a2_ent, 8);
+ set_entity_offset(a3_ent, 12);
+ set_entity_offset(old_fp_ent, 16);
+ set_entity_offset(ret_addr_ent, 20);
set_type_size_bytes(debug_between_type, 24);
} else if(!env->debug && opt_between_type == NULL) {
ir_type *old_fp_type = new_type_primitive(new_id_from_str("fp"), mode_P);
- entity *old_fp_ent;
+ ir_entity *old_fp_ent;
opt_between_type = new_type_class(new_id_from_str("mips_between_type"));
old_fp_ent = new_entity(opt_between_type, new_id_from_str("old_fp"), old_fp_type);
- set_entity_offset_bytes(old_fp_ent, 0);
+ set_entity_offset(old_fp_ent, 0);
set_type_size_bytes(opt_between_type, 4);
}
return get_mode_size_bytes(mode);
}
+static const be_execution_unit_t ***mips_get_allowed_execution_units(const void *self, const ir_node *irn) {
+ /* TODO */
+ assert(0);
+ return NULL;
+}
+
+static const be_machine_t *mips_get_machine(const void *self) {
+ /* TODO */
+ assert(0);
+ return NULL;
+}
+
+/**
+ * Return irp irgs in the desired order.
+ */
+static ir_graph **mips_get_irg_list(const void *self, ir_graph ***irg_list) {
+ return NULL;
+}
+
/**
* Returns the libFirm configuration parameter for this backend.
*/
NULL, /* will be set later */
1, /* need dword lowering */
NULL, /* but yet no creator function */
+ NULL, /* context for create_intrinsic_fkt */
};
p.dep_param = &ad;
return &p;
}
-#ifdef WITH_LIBCORE
-static void mips_register_options(lc_opt_entry_t *ent)
-{
-}
-#endif /* WITH_LIBCORE */
-
const arch_isa_if_t mips_isa_if = {
mips_init,
mips_done,
mips_get_irn_handler,
mips_get_code_generator_if,
mips_get_list_sched_selector,
+ mips_get_ilp_sched_selector,
mips_get_reg_class_alignment,
mips_get_libfirm_params,
-#ifdef WITH_LIBCORE
- mips_register_options
-#endif
+ mips_get_allowed_execution_units,
+ mips_get_machine,
+ mips_get_irg_list,
};
+
+void be_init_arch_mips(void)
+{
+ be_register_isa_if("mips", &mips_isa_if);
+}
+
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_arch_mips);
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