#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#endif
+
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "bearch.h"
#include "ircons_t.h"
+#include "irnode_t.h"
#include "bitset.h"
#include "pset.h"
#include "entity.h"
-arch_env_t *arch_env_init(arch_env_t *env, const arch_isa_if_t *isa)
+#include "irprintf.h"
+
+/* Initialize the architecture environment struct. */
+arch_env_t *arch_env_init(arch_env_t *env, const arch_isa_if_t *isa_if, FILE *file_handle)
{
memset(env, 0, sizeof(*env));
- env->isa = isa;
+ env->isa = isa_if->init(file_handle);
return env;
}
-arch_env_t *arch_env_add_irn_handler(arch_env_t *env,
+arch_env_t *arch_env_push_irn_handler(arch_env_t *env,
const arch_irn_handler_t *handler)
{
assert(env->handlers_tos <= ARCH_MAX_HANDLERS);
return env;
}
+const arch_irn_handler_t *arch_env_pop_irn_handler(arch_env_t *env)
+{
+ assert(env->handlers_tos > 0 && env->handlers_tos <= ARCH_MAX_HANDLERS);
+ return env->handlers[--env->handlers_tos];
+}
+
static const arch_irn_ops_t *fallback_irn_ops = NULL;
-int arch_register_class_put(const arch_register_class_t *cls, struct _bitset_t *bs)
+int arch_register_class_put(const arch_register_class_t *cls, bitset_t *bs)
{
if(bs) {
int i, n;
return fallback_irn_ops;
}
+const arch_irn_ops_t *arch_get_irn_ops(const arch_env_t *env, const ir_node *irn) {
+ return get_irn_ops(env, irn);
+}
+
const arch_register_req_t *arch_get_register_req(const arch_env_t *env,
arch_register_req_t *req, const ir_node *irn, int pos)
{
const arch_irn_ops_t *ops = get_irn_ops(env, irn);
- return ops->get_irn_reg_req(ops, req, irn, pos);
+ req->type = arch_register_req_type_none;
+ return ops->impl->get_irn_reg_req(ops, req, irn, pos);
}
-int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn,
- int pos, const arch_register_class_t *cls, bitset_t *bs)
+void arch_set_frame_offset(const arch_env_t *env, ir_node *irn, int offset)
{
- arch_register_req_t local_req;
const arch_irn_ops_t *ops = get_irn_ops(env, irn);
- const arch_register_req_t *req = ops->get_irn_reg_req(ops, &local_req, irn, pos);
+ ops->impl->set_frame_offset(ops, irn, offset);
+}
- switch(req->type) {
- case arch_register_req_type_normal:
- arch_register_class_put(req->cls, bs);
- return req->cls->n_regs;
+entity *arch_get_frame_entity(const arch_env_t *env, ir_node *irn)
+{
+ const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+ return ops->impl->get_frame_entity(ops, irn);
+}
- case arch_register_req_type_limited:
- return req->data.limited(irn, pos, bs);
+void arch_set_frame_entity(const arch_env_t *env, ir_node *irn, entity *ent)
+{
+ const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+ ops->impl->set_frame_entity(ops, irn, ent);
+}
- default:
- assert(0 && "This register requirement case is not covered");
+arch_inverse_t *arch_get_inverse(const arch_env_t *env, const ir_node *irn, int i, arch_inverse_t *inverse, struct obstack *obstack)
+{
+ const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+ if(ops->impl->get_inverse) {
+ return ops->impl->get_inverse(ops, irn, i, inverse, obstack);
+ } else {
+ return NULL;
}
+}
- return 0;
+int arch_possible_memory_operand(const arch_env_t *env, const ir_node *irn, unsigned int i) {
+ const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+ if(ops->impl->possible_memory_operand) {
+ return ops->impl->possible_memory_operand(ops, irn, i);
+ } else {
+ return 0;
+ }
}
-int arch_is_register_operand(const arch_env_t *env,
- const ir_node *irn, int pos)
+extern void arch_perform_memory_operand(const arch_env_t *env, ir_node *irn, ir_node *reload, unsigned int i) {
+ const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+ if(ops->impl->perform_memory_operand) {
+ ops->impl->perform_memory_operand(ops, irn, reload, i);
+ } else {
+ return;
+ }
+}
+
+int arch_get_op_estimated_cost(const arch_env_t *env, const ir_node *irn)
+{
+ const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+ if(ops->impl->get_op_estimated_cost) {
+ return ops->impl->get_op_estimated_cost(ops, irn);
+ } else {
+ return 1;
+ }
+}
+
+int arch_is_possible_memory_operand(const arch_env_t *env, const ir_node *irn, int i)
+{
+ const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+ if(ops->impl->possible_memory_operand) {
+ return ops->impl->possible_memory_operand(ops, irn, i);
+ } else {
+ return 0;
+ }
+}
+
+int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn, int pos, bitset_t *bs)
{
arch_register_req_t local_req;
const arch_irn_ops_t *ops = get_irn_ops(env, irn);
- const arch_register_req_t *req = ops->get_irn_reg_req(ops, &local_req, irn, pos);
- return req != NULL;
+ const arch_register_req_t *req = ops->impl->get_irn_reg_req(ops, &local_req, irn, pos);
+
+ if(req->type == arch_register_req_type_none) {
+ bitset_clear_all(bs);
+ return 0;
+ }
+
+ if(arch_register_req_is(req, limited)) {
+ req->limited(req->limited_env, bs);
+ return bitset_popcnt(bs);
+ }
+
+ arch_register_class_put(req->cls, bs);
+ return req->cls->n_regs;
+}
+
+void arch_put_non_ignore_regs(const arch_env_t *env, const arch_register_class_t *cls, bitset_t *bs)
+{
+ int i;
+
+ for(i = 0; i < cls->n_regs; ++i) {
+ if(!arch_register_type_is(&cls->regs[i], ignore))
+ bitset_set(bs, i);
+ }
+}
+
+int arch_count_non_ignore_regs(const arch_env_t *env, const arch_register_class_t *cls)
+{
+ int i;
+ int result = 0;
+
+ for(i = 0; i < cls->n_regs; ++i) {
+ if(!arch_register_type_is(&cls->regs[i], ignore))
+ result++;
+ }
+
+ return result;
+}
+
+int arch_is_register_operand(const arch_env_t *env,
+ const ir_node *irn, int pos)
+{
+ arch_register_req_t local_req;
+ const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+ const arch_register_req_t *req = ops->impl->get_irn_reg_req(ops, &local_req, irn, pos);
+ return req != NULL;
}
int arch_reg_is_allocatable(const arch_env_t *env, const ir_node *irn,
int pos, const arch_register_t *reg)
{
- const arch_register_class_t *cls = arch_register_get_class(reg);
- int n_regs = arch_register_class_n_regs(cls);
- bitset_t *bs = bitset_alloca(n_regs);
+ arch_register_req_t req;
- arch_get_allocatable_regs(env, irn, pos, cls, bs);
- return bitset_is_set(bs, arch_register_get_index(reg));
+ arch_get_register_req(env, &req, irn, pos);
+
+ if(req.type == arch_register_req_type_none)
+ return 0;
+
+ if(arch_register_req_is(&req, limited)) {
+ bitset_t *bs = bitset_alloca(req.cls->n_regs);
+ req.limited(req.limited_env, bs);
+ return bitset_is_set(bs, arch_register_get_index(reg));
+ }
+
+ return req.cls == reg->reg_class;
}
const arch_register_class_t *
{
arch_register_req_t local_req;
const arch_irn_ops_t *ops = get_irn_ops(env, irn);
- const arch_register_req_t *req = ops->get_irn_reg_req(ops, &local_req, irn, pos);
+ const arch_register_req_t *req = ops->impl->get_irn_reg_req(ops, &local_req, irn, pos);
return req ? req->cls : NULL;
}
extern const arch_register_t *
-arch_get_irn_register(const arch_env_t *env, const ir_node *irn, int idx)
+arch_get_irn_register(const arch_env_t *env, const ir_node *irn)
{
const arch_irn_ops_t *ops = get_irn_ops(env, irn);
- assert(idx >= 0);
- return ops->get_irn_reg(ops, irn, idx);
+ return ops->impl->get_irn_reg(ops, irn);
}
extern void arch_set_irn_register(const arch_env_t *env,
- ir_node *irn, int idx, const arch_register_t *reg)
+ ir_node *irn, const arch_register_t *reg)
{
const arch_irn_ops_t *ops = get_irn_ops(env, irn);
- assert(idx >= 0);
- ops->set_irn_reg(ops, irn, idx, reg);
+ ops->impl->set_irn_reg(ops, irn, reg);
+}
+
+extern arch_irn_class_t arch_irn_classify(const arch_env_t *env, const ir_node *irn)
+{
+ const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+ return ops->impl->classify(ops, irn);
+}
+
+extern arch_irn_flags_t arch_irn_get_flags(const arch_env_t *env, const ir_node *irn)
+{
+ const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+ return ops->impl->get_flags(ops, irn);
+}
+
+extern const char *arch_irn_flag_str(arch_irn_flags_t fl)
+{
+ switch(fl) {
+#define XXX(x) case arch_irn_flags_ ## x: return #x;
+ XXX(dont_spill);
+ XXX(ignore);
+ XXX(rematerializable);
+ XXX(modify_sp);
+ XXX(none);
+#undef XXX
+ }
+ return "n/a";
+}
+
+extern char *arch_register_req_format(char *buf, size_t len, const arch_register_req_t *req)
+{
+ char tmp[128];
+ snprintf(buf, len, "class: %s", req->cls->name);
+
+ if(arch_register_req_is(req, limited)) {
+ bitset_pos_t elm;
+ bitset_t *bs = bitset_alloca(req->cls->n_regs);
+ req->limited(req->limited_env, bs);
+ strncat(buf, " limited:", len);
+ bitset_foreach(bs, elm) {
+ strncat(buf, " ", len);
+ strncat(buf, req->cls->regs[elm].name, len);
+ }
+ }
+
+ if(arch_register_req_is(req, should_be_same)) {
+ ir_snprintf(tmp, sizeof(tmp), " same to: %+F", req->other_different);
+ strncat(buf, tmp, len);
+ }
+
+ if(arch_register_req_is(req, should_be_different)) {
+ ir_snprintf(tmp, sizeof(tmp), " different to: %+F", req->other_different);
+ strncat(buf, tmp, len);
+ }
+
+ return buf;
}
projects / libfirm / blobdiff