*
* This file provides Perm, Copy, Spill and Reload nodes.
*
- * Copyright (C) 2005 Universitaet Karlsruhe
+ * Copyright (C) 2005-2006 Universitaet Karlsruhe
* Released under the GPL
*/
/** The be_Stack attribute type. */
typedef struct {
be_node_attr_t node_attr;
- int offset; /**< The offset by which the stack shall be increased/decreased. */
- be_stack_dir_t dir; /**< The direction in which the stack shall be modified (expand or shrink). */
+ int offset; /**< The offset by which the stack shall be expanded/shrinked. */
} be_stack_attr_t;
/** The be_Frame attribute type. */
typedef struct {
be_node_attr_t node_attr;
- entity *ent;
+ ir_entity *ent;
int offset;
} be_frame_attr_t;
/** The be_Call attribute type. */
typedef struct {
be_node_attr_t node_attr;
- entity *ent; /**< The called entity if this is a static call. */
+ ir_entity *ent; /**< The called entity if this is a static call. */
ir_type *call_tp; /**< The call type, copied from the original Call node. */
} be_call_attr_t;
typedef struct {
be_node_attr_t node_attr;
- entity **in_entities;
- entity **out_entities;
+ ir_entity **in_entities;
+ ir_entity **out_entities;
} be_memperm_attr_t;
ir_op *op_be_Spill;
ir_op *op_be_Return;
ir_op *op_be_IncSP;
ir_op *op_be_AddSP;
+ir_op *op_be_SubSP;
ir_op *op_be_SetSP;
ir_op *op_be_RegParams;
ir_op *op_be_StackParam;
op_be_Copy = new_ir_op(beo_base + beo_Copy, "be_Copy", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
op_be_Keep = new_ir_op(beo_base + beo_Keep, "be_Keep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
op_be_CopyKeep = new_ir_op(beo_base + beo_CopyKeep, "be_CopyKeep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_be_Call = new_ir_op(beo_base + beo_Call, "be_Call", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_call_attr_t), &be_node_op_ops);
+ op_be_Call = new_ir_op(beo_base + beo_Call, "be_Call", op_pin_state_pinned, F, oparity_variable, 0, sizeof(be_call_attr_t), &be_node_op_ops);
op_be_Return = new_ir_op(beo_base + beo_Return, "be_Return", op_pin_state_pinned, X, oparity_variable, 0, sizeof(be_return_attr_t), &be_node_op_ops);
op_be_AddSP = new_ir_op(beo_base + beo_AddSP, "be_AddSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_SubSP = new_ir_op(beo_base + beo_SubSP, "be_SubSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
op_be_SetSP = new_ir_op(beo_base + beo_SetSP, "be_SetSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
op_be_IncSP = new_ir_op(beo_base + beo_IncSP, "be_IncSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
op_be_RegParams = new_ir_op(beo_base + beo_RegParams, "be_RegParams", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
set_op_tag(op_be_Call, &be_node_tag);
set_op_tag(op_be_Return, &be_node_tag);
set_op_tag(op_be_AddSP, &be_node_tag);
+ set_op_tag(op_be_SubSP, &be_node_tag);
set_op_tag(op_be_SetSP, &be_node_tag);
set_op_tag(op_be_IncSP, &be_node_tag);
set_op_tag(op_be_RegParams, &be_node_tag);
}
-ir_node *be_new_Spill(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *to_spill)
+ir_node *be_new_Spill(const arch_register_class_t *cls, const arch_register_class_t *cls_frame,
+ ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *to_spill)
{
be_frame_attr_t *a;
- ir_node *in[2];
- ir_node *res;
-
- in[0] = frame;
- in[1] = to_spill;
- res = new_ir_node(NULL, irg, bl, op_be_Spill, mode_M, 2, in);
- a = init_node_attr(res, 2);
- a->ent = NULL;
+ ir_node *in[2];
+ ir_node *res;
+
+ in[0] = frame;
+ in[1] = to_spill;
+ res = new_ir_node(NULL, irg, bl, op_be_Spill, mode_M, 2, in);
+ a = init_node_attr(res, 2);
+ a->ent = NULL;
a->offset = 0;
- be_node_set_reg_class(res, 0, cls_frame);
- be_node_set_reg_class(res, 1, cls);
+ be_node_set_reg_class(res, be_pos_Spill_frame, cls_frame);
+ be_node_set_reg_class(res, be_pos_Spill_val, cls);
return res;
}
-ir_node *be_new_Reload(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *mem, ir_mode *mode)
+ir_node *be_new_Reload(const arch_register_class_t *cls, const arch_register_class_t *cls_frame,
+ ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *mem, ir_mode *mode)
{
ir_node *in[2];
ir_node *res;
in[0] = frame;
in[1] = mem;
res = new_ir_node(NULL, irg, bl, op_be_Reload, mode, 2, in);
+
init_node_attr(res, 2);
- be_node_set_reg_class(res, 0, cls_frame);
be_node_set_reg_class(res, -1, cls);
+ be_node_set_reg_class(res, be_pos_Reload_frame, cls_frame);
+ be_node_set_flags(res, -1, arch_irn_flags_rematerializable);
return res;
}
return get_irn_n(irn, be_pos_Reload_frame);
}
+ir_node *be_get_Spill_val(const ir_node *irn)
+{
+ assert(be_is_Spill(irn));
+ return get_irn_n(irn, be_pos_Spill_val);
+}
+ir_node *be_get_Spill_frame(const ir_node *irn)
+{
+ assert(be_is_Spill(irn));
+ return get_irn_n(irn, be_pos_Spill_frame);
+}
+
ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int n, ir_node *in[])
{
int i;
}
/* Gets the call entity or NULL if this is no static call. */
-entity *be_Call_get_entity(const ir_node *call) {
+ir_entity *be_Call_get_entity(const ir_node *call) {
be_call_attr_t *a = get_irn_attr(call);
assert(be_is_Call(call));
return a->ent;
}
/* Sets the call entity. */
-void be_Call_set_entity(ir_node *call, entity *ent) {
+void be_Call_set_entity(ir_node *call, ir_entity *ent) {
be_call_attr_t *a = get_irn_attr(call);
assert(be_is_Call(call));
a->ent = ent;
return a->num_ret_vals;
}
-ir_node *be_new_IncSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *mem, unsigned offset, be_stack_dir_t dir)
+ir_node *be_new_IncSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, int offset)
{
be_stack_attr_t *a;
ir_node *irn;
- ir_node *in[2];
+ ir_node *in[1];
in[0] = old_sp;
- in[1] = mem;
- irn = new_ir_node(NULL, irg, bl, op_be_IncSP, sp->reg_class->mode, 2, in);
+ irn = new_ir_node(NULL, irg, bl, op_be_IncSP, sp->reg_class->mode, sizeof(in) / sizeof(in[0]), in);
a = init_node_attr(irn, 1);
- a->dir = dir;
a->offset = offset;
be_node_set_flags(irn, -1, arch_irn_flags_ignore | arch_irn_flags_modify_sp);
return irn;
}
+ir_node *be_new_SubSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *sz)
+{
+ be_node_attr_t *a;
+ ir_node *irn;
+ ir_node *in[be_pos_SubSP_last];
+
+ in[be_pos_SubSP_old_sp] = old_sp;
+ in[be_pos_SubSP_size] = sz;
+
+ irn = new_ir_node(NULL, irg, bl, op_be_SubSP, mode_T, be_pos_SubSP_last, in);
+ a = init_node_attr(irn, be_pos_SubSP_last);
+
+ be_node_set_flags(irn, OUT_POS(pn_be_SubSP_res), arch_irn_flags_ignore | arch_irn_flags_modify_sp);
+
+ /* Set output constraint to stack register. */
+ be_set_constr_single_reg(irn, be_pos_SubSP_old_sp, sp);
+ be_node_set_reg_class(irn, be_pos_SubSP_size, arch_register_get_class(sp));
+ be_set_constr_single_reg(irn, OUT_POS(pn_be_SubSP_res), sp);
+ a->reg_data[pn_be_SubSP_res].reg = sp;
+
+ return irn;
+}
+
ir_node *be_new_SetSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *op, ir_node *mem)
{
be_node_attr_t *a;
/* Set output constraint to stack register. */
be_set_constr_single_reg(irn, OUT_POS(0), sp);
- be_node_set_reg_class(irn, 1, sp->reg_class);
- be_node_set_reg_class(irn, 2, sp->reg_class);
- be_node_set_irn_reg(NULL, irn, sp);
+ be_node_set_reg_class(irn, be_pos_AddSP_size, sp->reg_class);
+ be_node_set_reg_class(irn, be_pos_AddSP_old_sp, sp->reg_class);
return irn;
}
-ir_node *be_new_StackParam(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *frame_pointer, entity *ent)
+ir_node *be_new_StackParam(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *frame_pointer, ir_entity *ent)
{
be_frame_attr_t *a;
ir_node *irn;
}
ir_node *be_new_FrameLoad(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data,
- ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, entity *ent)
+ ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_entity *ent)
{
be_frame_attr_t *a;
ir_node *irn;
}
ir_node *be_new_FrameStore(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data,
- ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_node *data, entity *ent)
+ ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_node *data, ir_entity *ent)
{
be_frame_attr_t *a;
ir_node *irn;
return irn;
}
-ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, entity *ent)
+ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_entity *ent)
{
be_frame_attr_t *a;
ir_node *irn;
}
}
-entity *be_get_frame_entity(const ir_node *irn)
+ir_entity *be_get_frame_entity(const ir_node *irn)
{
- if(be_has_frame_entity(irn)) {
+ if (be_has_frame_entity(irn)) {
be_frame_attr_t *a = get_irn_attr(irn);
return a->ent;
}
return NULL;
}
-void be_set_frame_entity(const ir_node *irn, entity* ent)
+int be_get_frame_offset(const ir_node *irn)
{
- be_frame_attr_t *a;
-
- assert(be_has_frame_entity(irn));
-
- a = get_irn_attr(irn);
- a->ent = ent;
+ assert(is_be_node(irn));
+ if (be_has_frame_entity(irn)) {
+ be_frame_attr_t *a = get_irn_attr(irn);
+ return a->offset;
+ }
+ return 0;
}
-void be_set_MemPerm_in_entity(const ir_node *irn, int n, entity *ent)
+void be_set_MemPerm_in_entity(const ir_node *irn, int n, ir_entity *ent)
{
be_memperm_attr_t *attr = get_irn_attr(irn);
attr->in_entities[n] = ent;
}
-entity* be_get_MemPerm_in_entity(const ir_node* irn, int n)
+ir_entity* be_get_MemPerm_in_entity(const ir_node* irn, int n)
{
be_memperm_attr_t *attr = get_irn_attr(irn);
return attr->in_entities[n];
}
-void be_set_MemPerm_out_entity(const ir_node *irn, int n, entity *ent)
+void be_set_MemPerm_out_entity(const ir_node *irn, int n, ir_entity *ent)
{
be_memperm_attr_t *attr = get_irn_attr(irn);
attr->out_entities[n] = ent;
}
-entity* be_get_MemPerm_out_entity(const ir_node* irn, int n)
+ir_entity* be_get_MemPerm_out_entity(const ir_node* irn, int n)
{
be_memperm_attr_t *attr = get_irn_attr(irn);
void be_node_set_reg_class(ir_node *irn, int pos, const arch_register_class_t *cls)
{
be_req_t *r = get_req(irn, pos);
+
r->req.cls = cls;
- if(r->req.type == arch_register_req_type_none)
+
+ if (cls == NULL)
+ r->req.type = arch_register_req_type_none;
+ else if (r->req.type == arch_register_req_type_none)
r->req.type = arch_register_req_type_normal;
}
return get_irn_n(irn, 1);
}
-void be_set_IncSP_offset(ir_node *irn, unsigned offset)
+void be_set_IncSP_offset(ir_node *irn, int offset)
{
be_stack_attr_t *a = get_irn_attr(irn);
assert(be_is_IncSP(irn));
a->offset = offset;
}
-unsigned be_get_IncSP_offset(const ir_node *irn)
+int be_get_IncSP_offset(const ir_node *irn)
{
be_stack_attr_t *a = get_irn_attr(irn);
assert(be_is_IncSP(irn));
return a->offset;
}
-void be_set_IncSP_direction(ir_node *irn, be_stack_dir_t dir)
-{
- be_stack_attr_t *a = get_irn_attr(irn);
- assert(be_is_IncSP(irn));
- a->dir = dir;
-}
-
-be_stack_dir_t be_get_IncSP_direction(const ir_node *irn)
-{
- be_stack_attr_t *a = get_irn_attr(irn);
- assert(be_is_IncSP(irn));
- return a->dir;
-}
-
ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn)
{
- ir_node *bl = get_nodes_block(irn);
- ir_graph *irg = get_irn_irg(bl);
- ir_node *frame = get_irg_frame(irg);
- ir_node *spill;
-
+ ir_node *bl = get_nodes_block(irn);
+ ir_graph *irg = get_irn_irg(bl);
+ ir_node *frame = get_irg_frame(irg);
const arch_register_class_t *cls = arch_get_irn_reg_class(arch_env, irn, -1);
const arch_register_class_t *cls_frame = arch_get_irn_reg_class(arch_env, frame, -1);
+ ir_node *spill;
spill = be_new_Spill(cls, cls_frame, irg, bl, frame, irn);
return spill;
ir_node *be_reload(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *insert, ir_mode *mode, ir_node *spill)
{
- ir_node *reload;
-
- ir_node *bl = is_Block(insert) ? insert : get_nodes_block(insert);
- ir_graph *irg = get_irn_irg(bl);
- ir_node *frame = get_irg_frame(irg);
+ ir_node *reload;
+ ir_node *bl = is_Block(insert) ? insert : get_nodes_block(insert);
+ ir_graph *irg = get_irn_irg(bl);
+ ir_node *frame = get_irg_frame(irg);
const arch_register_class_t *cls_frame = arch_get_irn_reg_class(arch_env, frame, -1);
assert(be_is_Spill(spill) || (is_Phi(spill) && get_irn_mode(spill) == mode_M));
reload = be_new_Reload(cls, cls_frame, irg, bl, frame, spill, mode);
- if(is_Block(insert)) {
+ if (is_Block(insert)) {
insert = sched_skip(insert, 0, sched_skip_cf_predicator, (void *) arch_env);
sched_add_after(insert, reload);
}
{
int out_pos = pos;
- if(pos < 0) {
- if(get_irn_mode(irn) == mode_T)
+ if (pos < 0) {
+ if (get_irn_mode(irn) == mode_T)
return NULL;
- out_pos = redir_proj((const ir_node **) &irn, pos);
+ out_pos = redir_proj((const ir_node **)&irn, pos);
assert(is_be_node(irn));
return put_out_reg_req(req, irn, out_pos);
}
else {
- return is_be_node(irn) ? put_in_reg_req(req, irn, pos) : NULL;
+ if (is_be_node(irn)) {
+ /*
+ For spills and reloads, we return "none" as requirement for frame pointer,
+ so every input is ok. Some backends need this (e.g. STA). We use an arbitrary
+ large number as pos, so put_in_reg_req will return "none" as requirement.
+ */
+ if ((be_is_Spill(irn) && pos == be_pos_Spill_frame) ||
+ (be_is_Reload(irn) && pos == be_pos_Reload_frame))
+ return put_in_reg_req(req, irn, INT_MAX);
+ else
+ return put_in_reg_req(req, irn, pos);
+ }
+ return NULL;
}
return req;
XXX(StackParam, stackparam);
#undef XXX
default:
- return 0;
+ return arch_irn_class_normal;
}
return 0;
return r ? r->req.flags : 0;
}
-static entity *be_node_get_frame_entity(const void *self, const ir_node *irn)
+static ir_entity *be_node_get_frame_entity(const void *self, const ir_node *irn)
{
return be_get_frame_entity(irn);
}
+static void be_node_set_frame_entity(const void *self, ir_node *irn, ir_entity *ent)
+{
+ be_frame_attr_t *a;
+
+ assert(be_has_frame_entity(irn));
+
+ a = get_irn_attr(irn);
+ a->ent = ent;
+}
+
static void be_node_set_frame_offset(const void *self, ir_node *irn, int offset)
{
if(be_has_frame_entity(irn)) {
}
}
+static int be_node_get_sp_bias(const void *self, const ir_node *irn)
+{
+ return be_is_IncSP(irn) ? be_get_IncSP_offset(irn) : 0;
+}
+
/*
___ ____ _ _ _ _ _ _
|_ _| _ \| \ | | | | | | __ _ _ __ __| | | ___ _ __
be_node_classify,
be_node_get_flags,
be_node_get_frame_entity,
- be_node_set_frame_offset
+ be_node_set_frame_entity,
+ be_node_set_frame_offset,
+ be_node_get_sp_bias,
+ NULL, /* get_inverse */
+ NULL, /* get_op_estimated_cost */
+ NULL, /* possible_memory_operand */
+ NULL, /* perform_memory_operand */
};
static const arch_irn_ops_t be_node_irn_ops = {
return arch_irn_flags_none;
}
-static entity *phi_get_frame_entity(const void *_self, const ir_node *irn)
+static ir_entity *phi_get_frame_entity(const void *_self, const ir_node *irn)
{
return NULL;
}
+static void phi_set_frame_entity(const void *_self, ir_node *irn, ir_entity *ent)
+{
+}
+
static void phi_set_frame_offset(const void *_self, ir_node *irn, int bias)
{
}
+static int phi_get_sp_bias(const void* self, const ir_node *irn)
+{
+ return 0;
+}
+
static const arch_irn_ops_if_t phi_irn_ops = {
phi_get_irn_reg_req,
phi_set_irn_reg,
phi_classify,
phi_get_flags,
phi_get_frame_entity,
- phi_set_frame_offset
+ phi_set_frame_entity,
+ phi_set_frame_offset,
+ phi_get_sp_bias,
+ NULL, /* get_inverse */
+ NULL, /* get_op_estimated_cost */
+ NULL, /* possible_memory_operand */
+ NULL, /* perform_memory_operand */
};
static const arch_irn_handler_t phi_irn_handler = {
case beo_IncSP:
{
be_stack_attr_t *a = (be_stack_attr_t *) at;
- if (a->offset == BE_STACK_FRAME_SIZE)
+ if (a->offset == BE_STACK_FRAME_SIZE_EXPAND)
fprintf(f, "offset: FRAME_SIZE\n");
+ else if(a->offset == BE_STACK_FRAME_SIZE_SHRINK)
+ fprintf(f, "offset: -FRAME SIZE\n");
else
fprintf(f, "offset: %u\n", a->offset);
- fprintf(f, "direction: %s\n", a->dir == be_stack_dir_expand ? "expand" : "shrink");
}
break;
case beo_Call:
{
int i;
for(i = 0; i < be_get_MemPerm_entity_arity(irn); ++i) {
- entity *in, *out;
+ ir_entity *in, *out;
in = be_get_MemPerm_in_entity(irn, i);
out = be_get_MemPerm_out_entity(irn, i);
if(in) {
projects / libfirm / blobdiff