DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
-static beabi_helper_env_t *abihelper;
static const arch_register_t *sp_reg = &sparc_registers[REG_SP];
static const arch_register_t *fp_reg = &sparc_registers[REG_FRAME_POINTER];
static calling_convention_t *current_cconv = NULL;
+static be_stackorder_t *stackorder;
static ir_mode *mode_gp;
static ir_mode *mode_flags;
static ir_mode *mode_fp;
static ir_mode *mode_fp2;
//static ir_mode *mode_fp4;
static pmap *node_to_stack;
+static size_t start_mem_offset;
+static ir_node *start_mem;
+static size_t start_g0_offset;
+static ir_node *start_g0;
+static size_t start_sp_offset;
+static ir_node *start_sp;
+static size_t start_fp_offset;
+static ir_node *start_fp;
+static ir_node *frame_base;
+static size_t start_params_offset;
+static size_t start_callee_saves_offset;
static const arch_register_t *const caller_saves[] = {
&sparc_registers[REG_G1],
}
-static ir_node *get_g0(void)
+static ir_node *get_g0(ir_graph *irg)
{
- return be_prolog_get_reg_value(abihelper, &sparc_registers[REG_G0]);
+ if (start_g0 == NULL) {
+ /* this is already the transformed start node */
+ ir_node *start = get_irg_start(irg);
+ assert(is_sparc_Start(start));
+ start_g0 = new_r_Proj(start, mode_gp, start_g0_offset);
+ }
+ return start_g0;
}
typedef struct address_t {
new_right);
}
} else {
- ir_node *left_high = get_g0();
+ ir_graph *irg = get_irn_irg(node);
+ ir_node *left_high = get_g0(irg);
if (is_imm_encodeable(right)) {
int32_t immediate = get_tarval_long(get_Const_tarval(right));
res = new_bd_sparc_UDiv_imm(dbgi, new_block, left_high, left_low,
static ir_node *gen_Not(ir_node *node)
{
ir_node *op = get_Not_op(node);
- ir_node *zero = get_g0();
+ ir_graph *irg = get_irn_irg(node);
+ ir_node *zero = get_g0(irg);
dbg_info *dbgi = get_irn_dbg_info(node);
ir_node *block = be_transform_node(get_nodes_block(node));
ir_node *new_op = be_transform_node(op);
dbgi = get_irn_dbg_info(node);
op = get_Minus_op(node);
new_op = be_transform_node(op);
- zero = get_g0();
+ zero = get_g0(get_irn_irg(node));
return new_bd_sparc_Sub_reg(dbgi, block, zero, new_op);
}
value = get_tarval_long(tv);
if (value == 0) {
- return get_g0();
+ return get_g0(get_irn_irg(node));
} else if (sparc_is_value_imm_encodeable(value)) {
- return new_bd_sparc_Or_imm(dbgi, block, get_g0(), NULL, value);
+ ir_graph *irg = get_irn_irg(node);
+ return new_bd_sparc_Or_imm(dbgi, block, get_g0(irg), NULL, value);
} else {
ir_node *hi = new_bd_sparc_SetHi(dbgi, block, NULL, value);
if ((value & 0x3ff) != 0) {
ir_node *block = be_transform_node(get_nodes_block(node));
return gen_float_const(NULL, block, get_mode_null(mode));
} else if (mode_needs_gp_reg(mode)) {
- return get_g0();
+ ir_graph *irg = get_irn_irg(node);
+ return get_g0(irg);
}
panic("Unexpected Unknown mode");
ir_node *block = get_nodes_block(node);
ir_node *new_block = be_transform_node(block);
dbg_info *dbgi = get_irn_dbg_info(node);
+ struct obstack *obst = be_get_be_obst(irg);
+ const arch_register_req_t *req;
+ size_t n_outs;
ir_node *start;
size_t i;
+ size_t o;
+
+ /* start building list of start constraints */
+ assert(obstack_object_size(obst) == 0);
+
+ /* calculate number of outputs */
+ n_outs = 3; /* memory, zero, sp */
+ if (!current_cconv->omit_fp)
+ ++n_outs; /* framepointer */
+ /* function parameters */
+ n_outs += current_cconv->n_param_regs;
+ /* callee saves */
+ if (current_cconv->omit_fp) {
+ n_outs += ARRAY_SIZE(omit_fp_callee_saves);
+ }
+
+ start = new_bd_sparc_Start(dbgi, new_block, n_outs);
+
+ o = 0;
- /* stackpointer is important at function prolog */
- be_prolog_add_reg(abihelper, sp_reg,
+ /* first output is memory */
+ start_mem_offset = o;
+ arch_set_out_register_req(start, o++, arch_no_register_req);
+ /* the zero register */
+ start_g0_offset = o;
+ req = be_create_reg_req(obst, &sparc_registers[REG_G0],
+ arch_register_req_type_ignore);
+ arch_set_out_register_req(start, o, req);
+ arch_irn_set_register(start, o, &sparc_registers[REG_G0]);
+ ++o;
+
+ /* we need an output for the stackpointer */
+ start_sp_offset = o;
+ req = be_create_reg_req(obst, sp_reg,
arch_register_req_type_produces_sp | arch_register_req_type_ignore);
- be_prolog_add_reg(abihelper, &sparc_registers[REG_G0],
- arch_register_req_type_ignore);
+ arch_set_out_register_req(start, o, req);
+ arch_irn_set_register(start, o, sp_reg);
+ ++o;
+
+ if (!current_cconv->omit_fp) {
+ start_fp_offset = o;
+ req = be_create_reg_req(obst, fp_reg, arch_register_req_type_ignore);
+ arch_set_out_register_req(start, o, req);
+ arch_irn_set_register(start, o, fp_reg);
+ ++o;
+ }
+
/* function parameters in registers */
+ start_params_offset = o;
for (i = 0; i < get_method_n_params(function_type); ++i) {
const reg_or_stackslot_t *param = ¤t_cconv->parameters[i];
- if (param->reg0 != NULL) {
- be_prolog_add_reg(abihelper, param->reg0,
- arch_register_req_type_none);
+ const arch_register_t *reg0 = param->reg0;
+ const arch_register_t *reg1 = param->reg1;
+ if (reg0 != NULL) {
+ arch_set_out_register_req(start, o, reg0->single_req);
+ arch_irn_set_register(start, o, reg0);
+ ++o;
}
- if (param->reg1 != NULL) {
- be_prolog_add_reg(abihelper, param->reg1,
- arch_register_req_type_none);
+ if (reg1 != NULL) {
+ arch_set_out_register_req(start, o, reg1->single_req);
+ arch_irn_set_register(start, o, reg1);
+ ++o;
}
}
/* we need the values of the callee saves (Note: non omit-fp mode has no
* callee saves) */
+ start_callee_saves_offset = o;
if (current_cconv->omit_fp) {
size_t n_callee_saves = ARRAY_SIZE(omit_fp_callee_saves);
size_t c;
for (c = 0; c < n_callee_saves; ++c) {
- be_prolog_add_reg(abihelper, omit_fp_callee_saves[c],
- arch_register_req_type_none);
+ const arch_register_t *reg = omit_fp_callee_saves[c];
+ arch_set_out_register_req(start, o, reg->single_req);
+ arch_irn_set_register(start, o, reg);
+ ++o;
}
- } else {
- be_prolog_add_reg(abihelper, fp_reg, arch_register_req_type_ignore);
}
+ assert(n_outs == o);
- start = be_prolog_create_start(abihelper, dbgi, new_block);
return start;
}
+static ir_node *get_initial_sp(ir_graph *irg)
+{
+ if (start_sp == NULL) {
+ ir_node *start = get_irg_start(irg);
+ start_sp = new_r_Proj(start, mode_gp, start_sp_offset);
+ }
+ return start_sp;
+}
+
+static ir_node *get_initial_fp(ir_graph *irg)
+{
+ if (start_fp == NULL) {
+ ir_node *start = get_irg_start(irg);
+ start_fp = new_r_Proj(start, mode_gp, start_fp_offset);
+ }
+ return start_fp;
+}
+
+static ir_node *get_initial_mem(ir_graph *irg)
+{
+ if (start_mem == NULL) {
+ ir_node *start = get_irg_start(irg);
+ start_mem = new_r_Proj(start, mode_M, start_mem_offset);
+ }
+ return start_mem;
+}
+
static ir_node *get_stack_pointer_for(ir_node *node)
{
/* get predecessor in stack_order list */
- ir_node *stack_pred = be_get_stack_pred(abihelper, node);
+ ir_node *stack_pred = be_get_stack_pred(stackorder, node);
ir_node *stack;
if (stack_pred == NULL) {
/* first stack user in the current block. We can simply use the
* initial sp_proj for it */
- ir_node *sp_proj = be_prolog_get_reg_value(abihelper, sp_reg);
- return sp_proj;
+ ir_graph *irg = get_irn_irg(node);
+ return get_initial_sp(irg);
}
be_transform_node(stack_pred);
static ir_node *gen_Return(ir_node *node)
{
ir_node *block = get_nodes_block(node);
+ ir_graph *irg = get_irn_irg(node);
ir_node *new_block = be_transform_node(block);
dbg_info *dbgi = get_irn_dbg_info(node);
ir_node *mem = get_Return_mem(node);
ir_node *new_mem = be_transform_node(mem);
ir_node *sp = get_stack_pointer_for(node);
size_t n_res = get_Return_n_ress(node);
+ struct obstack *be_obst = be_get_be_obst(irg);
ir_node *bereturn;
+ ir_node **in;
+ const arch_register_req_t **reqs;
size_t i;
+ size_t p;
+ size_t n_ins;
+
+ /* estimate number of return values */
+ n_ins = 2 + n_res; /* memory + stackpointer, return values */
+ if (current_cconv->omit_fp)
+ n_ins += ARRAY_SIZE(omit_fp_callee_saves);
- be_epilog_begin(abihelper);
- be_epilog_set_memory(abihelper, new_mem);
- /* connect stack pointer with initial stack pointer. fix_stack phase
- will later serialize all stack pointer adjusting nodes */
- be_epilog_add_reg(abihelper, sp_reg,
- arch_register_req_type_produces_sp | arch_register_req_type_ignore,
- sp);
+ in = ALLOCAN(ir_node*, n_ins);
+ reqs = OALLOCN(be_obst, const arch_register_req_t*, n_ins);
+ p = 0;
+
+ in[p] = new_mem;
+ reqs[p] = arch_no_register_req;
+ ++p;
+
+ in[p] = sp;
+ reqs[p] = sp_reg->single_req;
+ ++p;
/* result values */
for (i = 0; i < n_res; ++i) {
const reg_or_stackslot_t *slot = ¤t_cconv->results[i];
const arch_register_t *reg = slot->reg0;
assert(slot->reg1 == NULL);
- be_epilog_add_reg(abihelper, reg, arch_register_req_type_none,
- new_res_value);
+ in[p] = new_res_value;
+ reqs[p] = reg->single_req;
+ ++p;
}
/* callee saves */
if (current_cconv->omit_fp) {
- size_t n_callee_saves = ARRAY_SIZE(omit_fp_callee_saves);
+ ir_node *start = get_irg_start(irg);
+ size_t n_callee_saves = ARRAY_SIZE(omit_fp_callee_saves);
for (i = 0; i < n_callee_saves; ++i) {
const arch_register_t *reg = omit_fp_callee_saves[i];
+ ir_mode *mode = reg->reg_class->mode;
ir_node *value
- = be_prolog_get_reg_value(abihelper, reg);
- be_epilog_add_reg(abihelper, reg, arch_register_req_type_none,
- value);
+ = new_r_Proj(start, mode, i + start_callee_saves_offset);
+ in[p] = value;
+ reqs[p] = reg->single_req;
+ ++p;
}
}
+ assert(p == n_ins);
+
+ bereturn = new_bd_sparc_Return_reg(dbgi, new_block, n_ins, in);
+ arch_set_in_register_reqs(bereturn, reqs);
- bereturn = be_epilog_create_return(abihelper, dbgi, new_block);
return bereturn;
}
panic("Unsupported Proj from Div");
}
-static ir_node *get_frame_base(void)
+static ir_node *get_frame_base(ir_graph *irg)
{
- const arch_register_t *reg = current_cconv->omit_fp ? sp_reg : fp_reg;
- return be_prolog_get_reg_value(abihelper, reg);
+ if (frame_base == NULL) {
+ if (current_cconv->omit_fp) {
+ frame_base = get_initial_sp(irg);
+ } else {
+ frame_base = get_initial_fp(irg);
+ }
+ }
+ return frame_base;
}
static ir_node *gen_Proj_Start(ir_node *node)
case pn_Start_X_initial_exec:
/* exchange ProjX with a jump */
return new_bd_sparc_Ba(NULL, new_block);
- case pn_Start_M:
- return be_prolog_get_memory(abihelper);
+ case pn_Start_M: {
+ ir_graph *irg = get_irn_irg(node);
+ return get_initial_mem(irg);
+ }
case pn_Start_T_args:
return new_r_Bad(get_irn_irg(block), mode_T);
case pn_Start_P_frame_base:
- return get_frame_base();
+ return get_frame_base(get_irn_irg(block));
}
panic("Unexpected start proj: %ld\n", pn);
}
{
long pn = get_Proj_proj(node);
ir_node *block = get_nodes_block(node);
+ ir_graph *irg = get_irn_irg(node);
ir_node *new_block = be_transform_node(block);
- ir_entity *entity = get_irg_entity(current_ir_graph);
+ ir_entity *entity = get_irg_entity(irg);
ir_type *method_type = get_entity_type(entity);
ir_type *param_type = get_method_param_type(method_type, pn);
+ ir_node *args = get_Proj_pred(node);
+ ir_node *start = get_Proj_pred(args);
+ ir_node *new_start = be_transform_node(start);
const reg_or_stackslot_t *param;
/* Proj->Proj->Start must be a method argument */
if (param->reg0 != NULL) {
/* argument transmitted in register */
- ir_mode *mode = get_type_mode(param_type);
- const arch_register_t *reg = param->reg0;
- ir_node *value = be_prolog_get_reg_value(abihelper, reg);
+ ir_mode *mode = get_type_mode(param_type);
+ const arch_register_t *reg = param->reg0;
+ ir_mode *reg_mode = reg->reg_class->mode;
+ long pn = param->reg_offset + start_params_offset;
+ ir_node *value = new_r_Proj(new_start, reg_mode, pn);
if (mode_is_float(mode)) {
+ const arch_register_t *reg1 = param->reg1;
ir_node *value1 = NULL;
- if (param->reg1 != NULL) {
- value1 = be_prolog_get_reg_value(abihelper, param->reg1);
+ if (reg1 != NULL) {
+ ir_mode *reg1_mode = reg1->reg_class->mode;
+ value1 = new_r_Proj(new_start, reg1_mode, pn+1);
} else if (param->entity != NULL) {
- ir_node *fp = be_prolog_get_reg_value(abihelper, fp_reg);
- ir_node *mem = be_prolog_get_memory(abihelper);
+ ir_node *fp = get_initial_fp(irg);
+ ir_node *mem = get_initial_mem(irg);
ir_node *ld = new_bd_sparc_Ld_imm(NULL, new_block, fp, mem,
mode_gp, param->entity,
0, true);
return value;
} else {
/* argument transmitted on stack */
- ir_node *mem = be_prolog_get_memory(abihelper);
- ir_mode *mode = get_type_mode(param->type);
- ir_node *base = get_frame_base();
+ ir_node *mem = get_initial_mem(irg);
+ ir_mode *mode = get_type_mode(param->type);
+ ir_node *base = get_frame_base(irg);
ir_node *load;
ir_node *value;
mode_flags = mode_Bu;
//mode_fp4 = ?
- abihelper = be_abihelper_prepare(irg);
- be_collect_stacknodes(abihelper);
+ start_mem = NULL;
+ start_g0 = NULL;
+ start_sp = NULL;
+ start_fp = NULL;
+ frame_base = NULL;
+
+ stackorder = be_collect_stacknodes(irg);
current_cconv
= sparc_decide_calling_convention(get_entity_type(entity), irg);
create_stacklayout(irg);
be_transform_graph(irg, NULL);
- be_abihelper_finish(abihelper);
+ be_free_stackorder(stackorder);
sparc_free_calling_convention(current_cconv);
frame_type = get_irg_frame_type(irg);
projects / libfirm / commitdiff