} be_reg_data_t;
typedef struct {
- int n_outs;
+ int max_reg_data;
+ arch_irn_flags_t flags;
const arch_register_class_t *cls;
be_reg_data_t *reg_data;
} be_node_attr_t;
/* Acquire all needed opcodes. */
beo_base = get_next_ir_opcodes(beo_Last - 1);
- op_Spill = new_ir_op(beo_base + beo_Spill, "Spill", op_pin_state_mem_pinned, N, oparity_unary, 0, sizeof(be_spill_attr_t), &be_node_op_ops);
- op_Reload = new_ir_op(beo_base + beo_Reload, "Reload", op_pin_state_mem_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_Perm = new_ir_op(beo_base + beo_Perm, "Perm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_Copy = new_ir_op(beo_base + beo_Copy, "Copy", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_Keep = new_ir_op(beo_base + beo_Keep, "Keep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_NoReg = new_ir_op(beo_base + beo_Keep, "NoReg", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_Call = new_ir_op(beo_base + beo_Keep, "Call", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_AddSP = new_ir_op(beo_base + beo_Keep, "AddSP", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
- op_IncSP = new_ir_op(beo_base + beo_Keep, "IncSP", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
- op_RegParams = new_ir_op(beo_base + beo_Keep, "RegParams", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_StackParam = new_ir_op(beo_base + beo_Keep, "StackParam", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_Spill = new_ir_op(beo_base + beo_Spill, "Spill", op_pin_state_mem_pinned, N, oparity_unary, 0, sizeof(be_spill_attr_t), &be_node_op_ops);
+ op_Reload = new_ir_op(beo_base + beo_Reload, "Reload", op_pin_state_mem_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_Perm = new_ir_op(beo_base + beo_Perm, "Perm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_Copy = new_ir_op(beo_base + beo_Copy, "Copy", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_Keep = new_ir_op(beo_base + beo_Keep, "Keep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_NoReg = new_ir_op(beo_base + beo_NoReg, "NoReg", op_pin_state_floats, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_Call = new_ir_op(beo_base + beo_Call, "Call", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_AddSP = new_ir_op(beo_base + beo_AddSP, "AddSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
+ op_IncSP = new_ir_op(beo_base + beo_IncSP, "IncSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
+ op_RegParams = new_ir_op(beo_base + beo_RegParams, "RegParams", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_StackParam = new_ir_op(beo_base + beo_StackParam, "StackParam", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
set_op_tag(op_Spill, &be_node_tag);
set_op_tag(op_Reload, &be_node_tag);
set_op_tag(op_StackParam, &be_node_tag);
}
-static void *init_node_attr(ir_node* irn, const arch_register_class_t *cls, ir_graph *irg, int n_outs)
+static void *init_node_attr(ir_node* irn, const arch_register_class_t *cls, ir_graph *irg, int max_reg_data)
{
be_node_attr_t *a = get_irn_attr(irn);
- a->n_outs = n_outs;
- a->cls = cls;
- a->reg_data = NULL;
+ a->max_reg_data = max_reg_data;
+ a->flags = arch_irn_flags_none;
+ a->cls = cls;
+ a->reg_data = NULL;
- if(n_outs > 0) {
+ if(max_reg_data > 0) {
int i;
- a->reg_data = NEW_ARR_D(be_reg_data_t, get_irg_obstack(irg), n_outs);
- memset(a->reg_data, 0, n_outs * sizeof(a->reg_data[0]));
- for(i = 0; i < n_outs; ++i) {
+ a->reg_data = NEW_ARR_D(be_reg_data_t, get_irg_obstack(irg), max_reg_data);
+ memset(a->reg_data, 0, max_reg_data * sizeof(a->reg_data[0]));
+ for(i = 0; i < max_reg_data; ++i) {
a->reg_data[i].req.req.cls = cls;
a->reg_data[i].req.req.type = arch_register_req_type_normal;
}
return is_be_node(irn) ? get_irn_opcode(irn) - beo_base : beo_NoBeOp;
}
+static int redir_proj(const ir_node **node, int pos)
+{
+ const ir_node *n = *node;
+
+ if(is_Proj(n)) {
+ assert(pos == -1 && "Illegal pos for a Proj");
+ *node = get_Proj_pred(n);
+ return get_Proj_proj(n);
+ }
+
+ return 0;
+}
+
+static void
+be_node_set_irn_reg(const void *_self, ir_node *irn, const arch_register_t *reg)
+{
+ int out_pos;
+ be_node_attr_t *a;
+
+ out_pos = redir_proj((const ir_node **) &irn, -1);
+ a = get_irn_attr(irn);
+
+ assert(is_be_node(irn));
+ assert(out_pos < a->max_reg_data && "position too high");
+ a->reg_data[out_pos].reg = reg;
+}
+
+
ir_node *be_new_Spill(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *to_spill, ir_node *ctx)
{
be_spill_attr_t *a;
memcpy(&real_in[3], in, n * sizeof(in[0]));
irn = new_ir_node(NULL, irg, bl, op_Call, mode_T, real_n, real_in);
- init_node_attr(irn, NULL, irg, n_outs);
+ init_node_attr(irn, NULL, irg, (n_outs > real_n ? n_outs : real_n));
return irn;
}
a->dir = dir;
a->offset = offset;
+ a->node_attr.flags |= arch_irn_flags_ignore;
+
/* Set output constraint to stack register. */
be_set_constr_single_reg(irn, -1, sp);
+ be_node_set_irn_reg(NULL, irn, sp);
return irn;
}
ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *op)
{
+ be_node_attr_t *a;
ir_node *irn;
ir_node *in[2];
in[0] = old_sp;
in[1] = op;
irn = new_ir_node(NULL, irg, bl, op_AddSP, sp->reg_class->mode, 2, in);
- init_node_attr(irn, sp->reg_class, irg, 1);
+ a = init_node_attr(irn, sp->reg_class, irg, 1);
+ a->flags |= arch_irn_flags_ignore;
/* Set output constraint to stack register. */
be_set_constr_single_reg(irn, -1, sp);
+ be_node_set_irn_reg(NULL, irn, sp);
return irn;
}
ir_node *be_new_NoReg(const arch_register_t *reg, ir_graph *irg, ir_node *bl)
{
+ be_node_attr_t *a;
ir_node *irn;
ir_node *in[1];
irn = new_ir_node(NULL, irg, bl, op_NoReg, reg->reg_class->mode, 0, in);
- init_node_attr(irn, reg->reg_class, irg, 1);
+ a = init_node_attr(irn, reg->reg_class, irg, 1);
+ a->flags |= arch_irn_flags_ignore;
be_set_constr_single_reg(irn, -1, reg);
+ be_node_set_irn_reg(NULL, irn, reg);
+ return irn;
+}
+
+ir_node *be_new_StackParam(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *frame_pointer, unsigned offset)
+{
+ be_stack_attr_t *a;
+ ir_node *irn;
+ ir_node *in[1];
+
+ in[0] = frame_pointer;
+ irn = new_ir_node(NULL, irg, bl, op_StackParam, mode, 1, in);
+ a = init_node_attr(irn, cls, irg, 1);
+ a->offset = offset;
+ return irn;
+}
+
+ir_node *be_new_RegParams(ir_graph *irg, ir_node *bl, int n_outs)
+{
+ ir_node *irn;
+ ir_node *in[1];
+
+ irn = new_ir_node(NULL, irg, bl, op_RegParams, mode_T, 0, in);
+ init_node_attr(irn, NULL, irg, n_outs);
return irn;
}
void be_set_constr_single_reg(ir_node *irn, int pos, const arch_register_t *reg)
{
- int idx = pos < 0 ? -(pos - 1) : pos;
+ int idx = pos < 0 ? -(pos + 1) : pos;
be_node_attr_t *a = get_irn_attr(irn);
be_reg_data_t *rd = &a->reg_data[idx];
be_req_t *r = pos < 0 ? &rd->req : &rd->in_req;
assert(is_be_node(irn));
assert(!(pos >= 0) || pos < get_irn_arity(irn));
- assert(!(pos < 0) || -(pos + 1) <= a->n_outs);
+ assert(!(pos < 0) || -(pos + 1) <= a->max_reg_data);
r->kind = be_req_kind_single_reg;
r->x.single_reg = reg;
assert(is_be_node(irn));
assert(!(pos >= 0) || pos < get_irn_arity(irn));
- assert(!(pos < 0) || -(pos + 1) <= a->n_outs);
+ assert(!(pos < 0) || -(pos + 1) <= a->max_reg_data);
assert(arch_register_req_is(req, limited));
r->kind = be_req_kind_old_limited;
return reload;
}
-static int redir_proj(const ir_node **node, int pos)
-{
- const ir_node *n = *node;
-
- if(is_Proj(n)) {
- assert(pos == -1 && "Illegal pos for a Proj");
- *node = get_Proj_pred(n);
- return get_Proj_proj(n);
- }
-
- return 0;
-}
-
static void *put_out_reg_req(arch_register_req_t *req, const ir_node *irn, int out_pos)
{
const be_node_attr_t *a = get_irn_attr(irn);
- if(out_pos < a->n_outs)
+ if(out_pos < a->max_reg_data)
memcpy(req, &a->reg_data[out_pos].req, sizeof(req[0]));
else {
req->type = arch_register_req_type_none;
return req;
}
-static void
-be_node_set_irn_reg(const void *_self, ir_node *irn, const arch_register_t *reg)
-{
- int out_pos;
- be_node_attr_t *a;
-
- out_pos = redir_proj((const ir_node **) &irn, -1);
- a = get_irn_attr(irn);
-
- assert(is_be_node(irn));
- assert(out_pos < a->n_outs && "position too high");
- a->reg_data[out_pos].reg = reg;
-}
-
const arch_register_t *
be_node_get_irn_reg(const void *_self, const ir_node *irn)
{
a = get_irn_attr(irn);
assert(is_be_node(irn));
- assert(out_pos < a->n_outs && "position too high");
+ assert(out_pos < a->max_reg_data && "position too high");
return a->reg_data[out_pos].reg;
}
return 0;
}
-arch_irn_class_t be_node_get_flags(const void *_self, const ir_node *irn)
+arch_irn_flags_t be_node_get_flags(const void *_self, const ir_node *irn)
{
- return 0;
+ be_node_attr_t *a = get_irn_attr(irn);
+ return a->flags;
}
static const arch_irn_ops_if_t be_node_irn_ops_if = {
case dump_node_nodeattr_txt:
break;
case dump_node_info_txt:
- fprintf(f, "reg class: %s\n", at->cls->name);
- for(i = 0; i < at->n_outs; ++i) {
+ fprintf(f, "reg class: %s\n", at->cls ? at->cls->name : "n/a");
+ for(i = 0; i < at->max_reg_data; ++i) {
const arch_register_t *reg = at->reg_data[i].reg;
fprintf(f, "reg #%d: %s\n", i, reg ? reg->name : "n/a");
}
- if(get_irn_be_opcode(irn) == beo_Spill) {
- be_spill_attr_t *a = (be_spill_attr_t *) at;
-
- ir_fprintf(f, "spill context: %+F\n", a->spill_ctx);
- if (a->ent) {
- unsigned ofs = get_entity_offset_bytes(a->ent);
- ir_fprintf(f, "spill entity: %+F offset %x (%d)\n", a->ent, ofs, ofs);
+ switch(get_irn_be_opcode(irn)) {
+ case beo_Spill:
+ {
+ be_spill_attr_t *a = (be_spill_attr_t *) at;
+
+ ir_fprintf(f, "spill context: %+F\n", a->spill_ctx);
+ if (a->ent) {
+ unsigned ofs = get_entity_offset_bytes(a->ent);
+ ir_fprintf(f, "spill entity: %+F offset %x (%d)\n", a->ent, ofs, ofs);
+ }
+ else {
+ ir_fprintf(f, "spill entity: n/a\n");
+ }
}
- else {
- ir_fprintf(f, "spill entity: n/a\n");
+ break;
+
+ case beo_IncSP:
+ {
+ be_stack_attr_t *a = (be_stack_attr_t *) at;
+ fprintf(f, "offset: %u\n", a->offset);
+ fprintf(f, "direction: %s\n", a->dir == be_stack_dir_along ? "along" : "against");
}
+ break;
}
- break;
+
}
return 0;
}
+void copy_attr(const ir_node *old_node, ir_node *new_node)
+{
+ be_node_attr_t *old_attr = get_irn_attr(old_node);
+ be_node_attr_t *new_attr = get_irn_attr(new_node);
+
+ assert(is_be_node(old_node));
+ assert(is_be_node(new_node));
+
+ memcpy(new_attr, old_attr, get_op_attr_size(get_irn_op(old_node)));
+ new_attr->reg_data = NULL;
+
+ if(new_attr->max_reg_data > 0) {
+ new_attr->reg_data = NEW_ARR_D(be_reg_data_t, get_irg_obstack(get_irn_irg(new_node)), new_attr->max_reg_data);
+ memcpy(new_attr->reg_data, old_attr->reg_data, new_attr->max_reg_data * sizeof(be_reg_data_t));
+ }
+}
+
static const ir_op_ops be_node_op_ops = {
NULL,
NULL,
NULL,
NULL,
NULL,
- NULL,
+ copy_attr,
NULL,
NULL,
NULL,
for(x = pset_first(live); x; x = pset_next(live))
DBG((dbg, LEVEL_1, "\tlive: %+F\n", x));
- if(arch_irn_has_reg_class(arch_env, irn, -1, cls))
+ if(arch_irn_consider_in_reg_alloc(arch_env, cls, irn))
pset_remove_ptr(live, irn);
for(i = 0, n = get_irn_arity(irn); i < n; ++i) {