#include "config.h"
#include <stdint.h>
+#include <stdbool.h>
#include "irnode_t.h"
#include "irgraph_t.h"
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 *cconv = NULL;
+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],
+ &sparc_registers[REG_G2],
+ &sparc_registers[REG_G3],
+ &sparc_registers[REG_G4],
+ &sparc_registers[REG_O0],
+ &sparc_registers[REG_O1],
+ &sparc_registers[REG_O2],
+ &sparc_registers[REG_O3],
+ &sparc_registers[REG_O4],
+ &sparc_registers[REG_O5],
+
+ &sparc_registers[REG_F0],
+ &sparc_registers[REG_F1],
+ &sparc_registers[REG_F2],
+ &sparc_registers[REG_F3],
+ &sparc_registers[REG_F4],
+ &sparc_registers[REG_F5],
+ &sparc_registers[REG_F6],
+ &sparc_registers[REG_F7],
+ &sparc_registers[REG_F8],
+ &sparc_registers[REG_F9],
+ &sparc_registers[REG_F10],
+ &sparc_registers[REG_F11],
+ &sparc_registers[REG_F12],
+ &sparc_registers[REG_F13],
+ &sparc_registers[REG_F14],
+ &sparc_registers[REG_F15],
+ &sparc_registers[REG_F16],
+ &sparc_registers[REG_F17],
+ &sparc_registers[REG_F18],
+ &sparc_registers[REG_F19],
+ &sparc_registers[REG_F20],
+ &sparc_registers[REG_F21],
+ &sparc_registers[REG_F22],
+ &sparc_registers[REG_F23],
+ &sparc_registers[REG_F24],
+ &sparc_registers[REG_F25],
+ &sparc_registers[REG_F26],
+ &sparc_registers[REG_F27],
+ &sparc_registers[REG_F28],
+ &sparc_registers[REG_F29],
+ &sparc_registers[REG_F30],
+ &sparc_registers[REG_F31],
+};
+
+static const arch_register_t *const omit_fp_callee_saves[] = {
+ &sparc_registers[REG_L0],
+ &sparc_registers[REG_L1],
+ &sparc_registers[REG_L2],
+ &sparc_registers[REG_L3],
+ &sparc_registers[REG_L4],
+ &sparc_registers[REG_L5],
+ &sparc_registers[REG_L6],
+ &sparc_registers[REG_L7],
+ &sparc_registers[REG_I0],
+ &sparc_registers[REG_I1],
+ &sparc_registers[REG_I2],
+ &sparc_registers[REG_I3],
+ &sparc_registers[REG_I4],
+ &sparc_registers[REG_I5],
+};
-static inline int mode_needs_gp_reg(ir_mode *mode)
+static inline bool mode_needs_gp_reg(ir_mode *mode)
{
- return mode_is_int(mode) || mode_is_reference(mode);
+ if (mode_is_int(mode) || mode_is_reference(mode)) {
+ /* we should only see 32bit code */
+ assert(get_mode_size_bits(mode) <= 32);
+ return true;
+ }
+ return false;
}
/**
}
mode1 = get_irn_mode(op1);
mode2 = get_irn_mode(op2);
+ /* we shouldn't see 64bit code */
+ assert(get_mode_size_bits(mode1) <= 32);
+ assert(get_mode_size_bits(mode2) <= 32);
if (is_imm_encodeable(op2)) {
- ir_node *new_op1 = be_transform_node(op1);
int32_t immediate = get_tarval_long(get_Const_tarval(op2));
+ new_op1 = be_transform_node(op1);
if (! (flags & MATCH_MODE_NEUTRAL) && needs_extension(mode1)) {
new_op1 = gen_extension(dbgi, block, new_op1, mode1);
}
panic("unsupported mode %+F for float op", mode);
}
-static ir_node *get_g0(void)
+typedef ir_node* (*new_binopx_imm_func)(dbg_info *dbgi, ir_node *block,
+ ir_node *op1, ir_node *flags,
+ ir_entity *imm_entity, int32_t imm);
+
+typedef ir_node* (*new_binopx_reg_func)(dbg_info *dbgi, ir_node *block,
+ ir_node *op1, ir_node *op2,
+ ir_node *flags);
+
+static ir_node *gen_helper_binopx(ir_node *node, match_flags_t match_flags,
+ new_binopx_reg_func new_binopx_reg,
+ new_binopx_imm_func new_binopx_imm)
{
- return be_prolog_get_reg_value(abihelper, &sparc_registers[REG_G0]);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op1 = get_irn_n(node, 0);
+ ir_node *op2 = get_irn_n(node, 1);
+ ir_node *flags = get_irn_n(node, 2);
+ ir_node *new_flags = be_transform_node(flags);
+ ir_node *new_op1;
+ ir_node *new_op2;
+
+ /* only support for mode-neutral implemented so far */
+ assert(match_flags & MATCH_MODE_NEUTRAL);
+
+ if (is_imm_encodeable(op2)) {
+ int32_t immediate = get_tarval_long(get_Const_tarval(op2));
+ new_op1 = be_transform_node(op1);
+ return new_binopx_imm(dbgi, block, new_op1, new_flags, NULL, immediate);
+ }
+ new_op2 = be_transform_node(op2);
+ if ((match_flags & MATCH_COMMUTATIVE) && is_imm_encodeable(op1)) {
+ int32_t immediate = get_tarval_long(get_Const_tarval(op1));
+ return new_binopx_imm(dbgi, block, new_op2, new_flags, NULL, immediate);
+ }
+ new_op1 = be_transform_node(op1);
+ return new_binopx_reg(dbgi, block, new_op1, new_op2, new_flags);
+
+}
+
+static ir_node *get_g0(ir_graph *irg)
+{
+ 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_bd_sparc_Add_reg, new_bd_sparc_Add_imm);
}
+static ir_node *gen_AddCC_t(ir_node *node)
+{
+ return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_MODE_NEUTRAL,
+ new_bd_sparc_AddCC_reg, new_bd_sparc_AddCC_imm);
+}
+
+static ir_node *gen_Proj_AddCC_t(ir_node *node)
+{
+ long pn = get_Proj_proj(node);
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = be_transform_node(pred);
+
+ switch (pn) {
+ case pn_sparc_AddCC_t_res:
+ return new_r_Proj(new_pred, mode_gp, pn_sparc_AddCC_res);
+ case pn_sparc_AddCC_t_flags:
+ return new_r_Proj(new_pred, mode_flags, pn_sparc_AddCC_flags);
+ default:
+ panic("Invalid AddCC_t proj found");
+ }
+}
+
+static ir_node *gen_AddX_t(ir_node *node)
+{
+ return gen_helper_binopx(node, MATCH_COMMUTATIVE | MATCH_MODE_NEUTRAL,
+ new_bd_sparc_AddX_reg, new_bd_sparc_AddX_imm);
+}
+
/**
* Creates an sparc Sub.
*
new_bd_sparc_fsub_d, new_bd_sparc_fsub_q);
}
- return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sub_reg, new_bd_sparc_Sub_imm);
+ return gen_helper_binop(node, MATCH_MODE_NEUTRAL,
+ new_bd_sparc_Sub_reg, new_bd_sparc_Sub_imm);
+}
+
+static ir_node *gen_SubCC_t(ir_node *node)
+{
+ return gen_helper_binop(node, MATCH_MODE_NEUTRAL,
+ new_bd_sparc_SubCC_reg, new_bd_sparc_SubCC_imm);
+}
+
+static ir_node *gen_Proj_SubCC_t(ir_node *node)
+{
+ long pn = get_Proj_proj(node);
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = be_transform_node(pred);
+
+ switch (pn) {
+ case pn_sparc_SubCC_t_res:
+ return new_r_Proj(new_pred, mode_gp, pn_sparc_SubCC_res);
+ case pn_sparc_SubCC_t_flags:
+ return new_r_Proj(new_pred, mode_flags, pn_sparc_SubCC_flags);
+ default:
+ panic("Invalid SubCC_t proj found");
+ }
+}
+
+static ir_node *gen_SubX_t(ir_node *node)
+{
+ return gen_helper_binopx(node, MATCH_MODE_NEUTRAL,
+ new_bd_sparc_SubX_reg, new_bd_sparc_SubX_imm);
}
static ir_node *create_ldf(dbg_info *dbgi, ir_node *block, ir_node *ptr,
ir_node *new_load = NULL;
address_t address;
+ if (get_Load_unaligned(node) == align_non_aligned) {
+ panic("sparc: transformation of unaligned Loads not implemented yet");
+ }
+
if (mode_is_float(mode)) {
match_address(ptr, &address, false);
new_load = create_ldf(dbgi, block, address.ptr, new_mem, mode,
ir_node *new_store = NULL;
address_t address;
+ if (get_Store_unaligned(node) == align_non_aligned) {
+ panic("sparc: transformation of unaligned Stores not implemented yet");
+ }
+
if (mode_is_float(mode)) {
/* TODO: variants with reg+reg address mode */
match_address(ptr, &address, false);
new_store = create_stf(dbgi, block, new_val, address.ptr, new_mem,
mode, address.entity, address.offset, false);
} else {
+ assert(get_mode_size_bits(mode) <= 32);
match_address(ptr, &address, true);
if (address.ptr2 != NULL) {
assert(address.entity == NULL && address.offset == 0);
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,
return res;
}
-#if 0
-static ir_node *gen_Abs(ir_node *node)
-{
- ir_mode *const mode = get_irn_mode(node);
-
- if (mode_is_float(mode)) {
- return gen_helper_unfpop(node, mode, new_bd_sparc_fabs_s,
- new_bd_sparc_fabs_d, new_bd_sparc_fabs_q);
- } else {
- ir_node *const block = be_transform_node(get_nodes_block(node));
- dbg_info *const dbgi = get_irn_dbg_info(node);
- ir_node *const op = get_Abs_op(node);
- ir_node *const new_op = be_transform_node(op);
- ir_node *const sra = new_bd_sparc_Sra_imm(dbgi, block, new_op, NULL, 31);
- ir_node *const xor = new_bd_sparc_Xor_reg(dbgi, block, new_op, sra);
- ir_node *const sub = new_bd_sparc_Sub_reg(dbgi, block, xor, sra);
- return sub;
- }
-}
-#endif
-
/**
* Transforms a Not node.
*
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);
static ir_node *gen_Shl(ir_node *node)
{
+ ir_mode *mode = get_irn_mode(node);
+ if (get_mode_modulo_shift(mode) != 32)
+ panic("modulo_shift!=32 not supported by sparc backend");
return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sll_reg, new_bd_sparc_Sll_imm);
}
static ir_node *gen_Shr(ir_node *node)
{
+ ir_mode *mode = get_irn_mode(node);
+ if (get_mode_modulo_shift(mode) != 32)
+ panic("modulo_shift!=32 not supported by sparc backend");
return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Srl_reg, new_bd_sparc_Srl_imm);
}
static ir_node *gen_Shrs(ir_node *node)
{
+ ir_mode *mode = get_irn_mode(node);
+ if (get_mode_modulo_shift(mode) != 32)
+ panic("modulo_shift!=32 not supported by sparc backend");
return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sra_reg, new_bd_sparc_Sra_imm);
}
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);
}
{
ir_entity *entity = create_float_const_entity(tv);
ir_node *hi = new_bd_sparc_SetHi(dbgi, block, entity, 0);
- ir_node *mem = new_r_NoMem(current_ir_graph);
+ ir_node *mem = get_irg_no_mem(current_ir_graph);
ir_mode *mode = get_tarval_mode(tv);
ir_node *new_op
= create_ldf(dbgi, block, hi, mem, mode, entity, 0, false);
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 *hi = new_bd_sparc_SetHi(dbgi, block, entity, offset);
ir_node *low = new_bd_sparc_Or_imm(dbgi, block, hi, entity, offset);
+
+ if (get_entity_owner(entity) == get_tls_type())
+ panic("thread local storage not supported yet in sparc backend");
return low;
}
long default_pn = get_Cond_default_proj(node);
ir_entity *entity;
ir_node *table_address;
- ir_node *index;
+ ir_node *idx;
ir_node *load;
ir_node *address;
set_entity_visibility(entity, ir_visibility_private);
add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
- /* TODO: this code does not construct code to check for access
- * out-of bounds of the jumptable yet. I think we should put this stuff
- * into the switch_lowering phase to get some additional optimisations
- * done. */
-
/* construct base address */
table_address = make_address(dbgi, block, entity, 0);
/* scale index */
- index = new_bd_sparc_Sll_imm(dbgi, block, new_selector, NULL, 2);
+ idx = new_bd_sparc_Sll_imm(dbgi, block, new_selector, NULL, 2);
/* load from jumptable */
- load = new_bd_sparc_Ld_reg(dbgi, block, table_address, index,
- new_r_NoMem(current_ir_graph),
+ load = new_bd_sparc_Ld_reg(dbgi, block, table_address, idx,
+ get_irg_no_mem(current_ir_graph),
mode_gp);
address = new_r_Proj(load, mode_gp, pn_sparc_Ld_res);
{
ir_graph *irg = get_irn_irg(block);
ir_node *sp = get_irg_frame(irg);
- ir_node *nomem = new_r_NoMem(irg);
+ ir_node *nomem = get_irg_no_mem(irg);
ir_node *stf = create_stf(dbgi, block, ftoi, sp, nomem, src_mode,
NULL, 0, true);
ir_node *ld = new_bd_sparc_Ld_imm(dbgi, block, sp, stf, mode_gp,
{
ir_graph *irg = get_irn_irg(block);
ir_node *sp = get_irg_frame(irg);
- ir_node *nomem = new_r_NoMem(irg);
+ ir_node *nomem = get_irg_no_mem(irg);
ir_node *st = new_bd_sparc_St_imm(dbgi, block, op, sp, nomem,
mode_gp, NULL, 0, true);
ir_node *ldf = new_bd_sparc_Ldf_s(dbgi, block, sp, st, mode_fp,
ir_node *op = get_Conv_op(node);
ir_mode *src_mode = get_irn_mode(op);
ir_mode *dst_mode = get_irn_mode(node);
- dbg_info *dbg = get_irn_dbg_info(node);
+ dbg_info *dbgi = get_irn_dbg_info(node);
ir_node *new_op;
int src_bits = get_mode_size_bits(src_mode);
if (mode_is_float(src_mode)) {
if (mode_is_float(dst_mode)) {
/* float -> float conv */
- return create_fftof(dbg, block, new_op, src_mode, dst_mode);
+ return create_fftof(dbgi, block, new_op, src_mode, dst_mode);
} else {
/* float -> int conv */
if (!mode_is_signed(dst_mode))
panic("float to unsigned not implemented yet");
- return create_ftoi(dbg, block, new_op, src_mode);
+ return create_ftoi(dbgi, block, new_op, src_mode);
}
} else {
/* int -> float conv */
if (src_bits < 32) {
- new_op = gen_extension(dbg, block, new_op, src_mode);
+ new_op = gen_extension(dbgi, block, new_op, src_mode);
} else if (src_bits == 32 && !mode_is_signed(src_mode)) {
panic("unsigned to float not lowered!");
}
- return create_itof(dbg, block, new_op, dst_mode);
+ return create_itof(dbgi, block, new_op, dst_mode);
}
} else if (src_mode == mode_b) {
panic("ConvB not lowered %+F", node);
}
if (mode_is_signed(min_mode)) {
- return gen_sign_extension(dbg, block, new_op, min_bits);
+ return gen_sign_extension(dbgi, block, new_op, min_bits);
} else {
- return gen_zero_extension(dbg, block, new_op, min_bits);
+ return gen_zero_extension(dbgi, block, new_op, min_bits);
}
}
}
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");
static ir_type *between_type = NULL;
static ir_type *between_type0 = NULL;
- if (cconv->omit_fp) {
+ if (current_cconv->omit_fp) {
if (between_type0 == NULL) {
between_type0
= new_type_class(new_id_from_str("sparc_between_type"));
return between_type;
}
-static void create_stacklayout(ir_graph *irg)
+static ir_type *compute_arg_type(ir_graph *irg)
{
- ir_entity *entity = get_irg_entity(irg);
- ir_type *function_type = get_entity_type(entity);
- be_stack_layout_t *layout = be_get_irg_stack_layout(irg);
- ir_type *arg_type;
- int p;
- int n_params;
+ ir_entity *entity = get_irg_entity(irg);
+ ir_type *mtp = get_entity_type(entity);
+ size_t n_params = get_method_n_params(mtp);
+ ir_entity **param_map = ALLOCANZ(ir_entity*, n_params);
- /* calling conventions must be decided by now */
- assert(cconv != NULL);
+ ir_type *frame_type = get_irg_frame_type(irg);
+ size_t n_frame_members = get_compound_n_members(frame_type);
+ size_t f;
+ size_t i;
- /* construct argument type */
- arg_type = new_type_struct(id_mangle_u(get_entity_ident(entity), new_id_from_chars("arg_type", 8)));
- n_params = get_method_n_params(function_type);
- for (p = 0; p < n_params; ++p) {
- reg_or_stackslot_t *param = &cconv->parameters[p];
- char buf[128];
- ident *id;
+ ir_type *res = new_type_struct(id_mangle_u(get_entity_ident(entity), new_id_from_chars("arg_type", 8)));
- if (param->type == NULL)
+ /* search for existing value_param entities */
+ for (f = n_frame_members; f > 0; ) {
+ ir_entity *member = get_compound_member(frame_type, --f);
+ size_t num;
+ const reg_or_stackslot_t *param;
+
+ if (!is_parameter_entity(member))
+ continue;
+ num = get_entity_parameter_number(member);
+ assert(num < n_params);
+ if (param_map[num] != NULL)
+ panic("multiple entities for parameter %u in %+F found", f, irg);
+
+ param = ¤t_cconv->parameters[num];
+ if (param->reg0 != NULL)
continue;
- snprintf(buf, sizeof(buf), "param_%d", p);
- id = new_id_from_str(buf);
- param->entity = new_entity(arg_type, id, param->type);
- set_entity_offset(param->entity, param->offset);
+ param_map[num] = member;
+ /* move to new arg_type */
+ set_entity_owner(member, res);
+ }
+
+ for (i = 0; i < n_params; ++i) {
+ reg_or_stackslot_t *param = ¤t_cconv->parameters[i];
+ ir_entity *entity;
+
+ if (param->reg0 != NULL)
+ continue;
+ entity = param_map[i];
+ if (entity == NULL)
+ entity = new_parameter_entity(res, i, param->type);
+ param->entity = entity;
+ set_entity_offset(entity, param->offset);
}
+ return res;
+}
+
+static void create_stacklayout(ir_graph *irg)
+{
+ be_stack_layout_t *layout = be_get_irg_stack_layout(irg);
+
+ /* calling conventions must be decided by now */
+ assert(current_cconv != NULL);
+
memset(layout, 0, sizeof(*layout));
layout->frame_type = get_irg_frame_type(irg);
layout->between_type = sparc_get_between_type();
- layout->arg_type = arg_type;
+ layout->arg_type = compute_arg_type(irg);
layout->initial_offset = 0;
layout->initial_bias = 0;
- layout->stack_dir = -1;
- layout->sp_relative = cconv->omit_fp;
+ layout->sp_relative = current_cconv->omit_fp;
assert(N_FRAME_TYPES == 3);
layout->order[0] = layout->frame_type;
}
/**
- * transform the start node to the prolog code + initial barrier
+ * transform the start node to the prolog code
*/
static ir_node *gen_Start(ir_node *node)
{
ir_node *block = get_nodes_block(node);
ir_node *new_block = be_transform_node(block);
dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *mem;
+ struct obstack *obst = be_get_be_obst(irg);
+ const arch_register_req_t *req;
+ size_t n_outs;
ir_node *start;
- ir_node *sp;
size_t i;
+ size_t o;
+
+ /* start building list of start constraints */
+ assert(obstack_object_size(obst) == 0);
- /* stackpointer is important at function prolog */
- be_prolog_add_reg(abihelper, sp_reg,
+ /* 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;
+
+ /* 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 = &cconv->parameters[i];
- if (param->reg0 != NULL) {
- be_prolog_add_reg(abihelper, param->reg0,
- arch_register_req_type_none);
+ const reg_or_stackslot_t *param = ¤t_cconv->parameters[i];
+ 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) */
- if (cconv->omit_fp) {
+ 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);
- mem = be_prolog_get_memory(abihelper);
- sp = be_prolog_get_reg_value(abihelper, sp_reg);
+ return start;
+}
- if (!cconv->omit_fp) {
- ir_node *save = new_bd_sparc_Save_imm(NULL, block, sp, NULL,
- -SPARC_MIN_STACKSIZE);
- arch_irn_add_flags(save, arch_irn_flags_prolog);
- sp = new_r_Proj(save, mode_gp, pn_sparc_Save_stack);
- arch_set_irn_register(sp, sp_reg);
+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;
+}
- sp = be_new_IncSP(sp_reg, new_block, sp, BE_STACK_FRAME_SIZE_EXPAND, 0);
- arch_irn_add_flags(sp, arch_irn_flags_prolog);
- be_prolog_set_reg_value(abihelper, sp_reg, sp);
- be_prolog_set_memory(abihelper, mem);
+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;
+}
- return start;
+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_transformed;
+ 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);
}
- stack_pred_transformed = be_transform_node(stack_pred);
- stack = (ir_node*)pmap_get(node_to_stack, stack_pred);
+ be_transform_node(stack_pred);
+ stack = (ir_node*)pmap_get(node_to_stack, stack_pred);
if (stack == NULL) {
return get_stack_pointer_for(stack_pred);
}
*/
static ir_node *gen_Return(ir_node *node)
{
- ir_node *block = get_nodes_block(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);
+ 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;
- 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);
+ /* 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);
+
+ 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) {
ir_node *res_value = get_Return_res(node, i);
ir_node *new_res_value = be_transform_node(res_value);
- const reg_or_stackslot_t *slot = &cconv->results[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 (cconv->omit_fp) {
- size_t n_callee_saves = ARRAY_SIZE(omit_fp_callee_saves);
- size_t i;
+ if (current_cconv->omit_fp) {
+ 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);
- /* epilog code: an incsp */
- sp = be_epilog_get_reg_value(abihelper, sp_reg);
- sp = be_new_IncSP(sp_reg, new_block, sp,
- BE_STACK_FRAME_SIZE_SHRINK, 0);
- be_epilog_set_reg_value(abihelper, sp_reg, sp);
-
- /* we need a restore instruction */
- if (!cconv->omit_fp) {
- ir_node *restore = new_bd_sparc_RestoreZero(NULL, block);
- arch_irn_add_flags(restore, arch_irn_flags_epilog);
- keep_alive(restore);
- }
-
- bereturn = be_epilog_create_return(abihelper, dbgi, new_block);
- arch_irn_add_flags(bereturn, arch_irn_flags_epilog);
+ bereturn = new_bd_sparc_Return_reg(dbgi, new_block, n_ins, in);
+ arch_set_in_register_reqs(bereturn, reqs);
return bereturn;
}
{
ir_graph *irg = current_ir_graph;
ir_node *sp = get_irg_frame(irg);
- ir_node *nomem = new_r_NoMem(irg);
+ ir_node *nomem = get_irg_no_mem(irg);
ir_node *st = new_bd_sparc_St_imm(dbgi, block, value0, sp, nomem,
mode_gp, NULL, 0, true);
ir_mode *mode;
{
ir_graph *irg = current_ir_graph;
ir_node *stack = get_irg_frame(irg);
- ir_node *nomem = new_r_NoMem(irg);
+ ir_node *nomem = get_irg_no_mem(irg);
ir_node *stf = create_stf(dbgi, block, node, stack, nomem, float_mode,
NULL, 0, true);
int bits = get_mode_size_bits(float_mode);
dbg_info *dbgi = get_irn_dbg_info(node);
ir_type *type = get_Call_type(node);
size_t n_params = get_Call_n_params(node);
- size_t n_param_regs = sizeof(param_regs)/sizeof(param_regs[0]);
/* max inputs: memory, callee, register arguments */
- int max_inputs = 2 + n_param_regs;
- ir_node **in = ALLOCAN(ir_node*, max_inputs);
ir_node **sync_ins = ALLOCAN(ir_node*, n_params);
struct obstack *obst = be_get_be_obst(irg);
- const arch_register_req_t **in_req
- = OALLOCNZ(obst, const arch_register_req_t*, max_inputs);
calling_convention_t *cconv
= sparc_decide_calling_convention(type, NULL);
+ size_t n_param_regs = cconv->n_param_regs;
+ /* param-regs + mem + stackpointer + callee */
+ unsigned max_inputs = 3 + n_param_regs;
+ ir_node **in = ALLOCAN(ir_node*, max_inputs);
+ const arch_register_req_t **in_req
+ = OALLOCNZ(obst, const arch_register_req_t*, max_inputs);
int in_arity = 0;
int sync_arity = 0;
int n_caller_saves
set_irn_pinned(str, op_pin_state_floats);
sync_ins[sync_arity++] = str;
}
- assert(in_arity <= max_inputs);
/* construct memory input */
if (sync_arity == 0) {
in_req[in_arity] = sparc_reg_classes[CLASS_sparc_gp].class_req;
++in_arity;
}
+ assert(in_arity <= (int)max_inputs);
/* outputs:
* - memory
/* must be the frame pointer all other sels must have been lowered
* already */
assert(is_Proj(ptr) && is_Start(get_Proj_pred(ptr)));
- /* we should not have value types from parameters anymore - they should be
- lowered */
- assert(get_entity_owner(entity) !=
- get_method_value_param_type(get_entity_type(get_irg_entity(get_irn_irg(node)))));
return new_bd_sparc_FrameAddr(dbgi, new_block, new_ptr, entity, 0);
}
ir_node *pred = get_Proj_pred(node);
ir_node *new_pred = be_transform_node(pred);
long pn = get_Proj_proj(node);
+ ir_mode *res_mode;
- assert(is_sparc_SDiv(new_pred) || is_sparc_UDiv(new_pred)
- || is_sparc_fdiv(new_pred));
+ if (is_sparc_SDiv(new_pred) || is_sparc_UDiv(new_pred)) {
+ res_mode = mode_gp;
+ } else if (is_sparc_fdiv(new_pred)) {
+ res_mode = get_Div_resmode(pred);
+ } else {
+ panic("sparc backend: Div transformed to something unexpected: %+F",
+ new_pred);
+ }
assert((int)pn_sparc_SDiv_res == (int)pn_sparc_UDiv_res);
assert((int)pn_sparc_SDiv_M == (int)pn_sparc_UDiv_M);
assert((int)pn_sparc_SDiv_res == (int)pn_sparc_fdiv_res);
assert((int)pn_sparc_SDiv_M == (int)pn_sparc_fdiv_M);
switch (pn) {
case pn_Div_res:
- return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_res);
+ return new_r_Proj(new_pred, res_mode, pn_sparc_SDiv_res);
case pn_Div_M:
return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_M);
default:
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 = 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)
{
ir_node *block = get_nodes_block(node);
ir_node *new_block = be_transform_node(block);
- ir_node *barrier = be_transform_node(get_Proj_pred(node));
long pn = get_Proj_proj(node);
+ /* make sure prolog is constructed */
+ be_transform_node(get_Proj_pred(node));
switch ((pn_Start) pn) {
case pn_Start_X_initial_exec:
/* exchange ProjX with a jump */
return new_bd_sparc_Ba(NULL, new_block);
- case pn_Start_M:
- return new_r_Proj(barrier, mode_M, 0);
+ case pn_Start_M: {
+ ir_graph *irg = get_irn_irg(node);
+ return get_initial_mem(irg);
+ }
case pn_Start_T_args:
- return barrier;
+ return new_r_Bad(get_irn_irg(block), mode_T);
case pn_Start_P_frame_base:
- return get_frame_base();
- case pn_Start_P_tls:
- return new_r_Bad(current_ir_graph);
- case pn_Start_max:
- break;
+ 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 */
assert(get_Proj_proj(get_Proj_pred(node)) == pn_Start_T_args);
- param = &cconv->parameters[pn];
+ param = ¤t_cconv->parameters[pn];
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;
case pn_Call_X_regular:
case pn_Call_X_except:
case pn_Call_T_result:
- case pn_Call_P_value_res_base:
- case pn_Call_max:
break;
}
panic("Unexpected Call proj %ld\n", pn);
/* FALLTHROUGH */
}
default:
+ if (is_sparc_AddCC_t(pred)) {
+ return gen_Proj_AddCC_t(node);
+ } else if (is_sparc_SubCC_t(pred)) {
+ return gen_Proj_SubCC_t(node);
+ }
panic("code selection didn't expect Proj after %+F\n", pred);
}
}
be_set_transform_function(op_SymConst, gen_SymConst);
be_set_transform_function(op_Unknown, gen_Unknown);
+ be_set_transform_function(op_sparc_AddX_t, gen_AddX_t);
+ be_set_transform_function(op_sparc_AddCC_t,gen_AddCC_t);
be_set_transform_function(op_sparc_Save, be_duplicate_node);
-}
-
-/* hack to avoid unused fp proj at start barrier */
-static void assure_fp_keep(void)
-{
- unsigned n_users = 0;
- const ir_edge_t *edge;
- ir_node *fp_proj = be_prolog_get_reg_value(abihelper, fp_reg);
-
- foreach_out_edge(fp_proj, edge) {
- ir_node *succ = get_edge_src_irn(edge);
- if (is_End(succ) || is_Anchor(succ))
- continue;
- ++n_users;
- }
-
- if (n_users == 0) {
- ir_node *block = get_nodes_block(fp_proj);
- ir_node *in[1] = { fp_proj };
- be_new_Keep(block, 1, in);
- }
+ be_set_transform_function(op_sparc_SubX_t, gen_SubX_t);
+ be_set_transform_function(op_sparc_SubCC_t,gen_SubCC_t);
}
/**
node_to_stack = pmap_create();
- mode_gp = mode_Iu;
- mode_fp = mode_F;
- mode_fp2 = mode_D;
+ mode_gp = mode_Iu;
+ mode_fp = mode_F;
+ mode_fp2 = mode_D;
+ mode_flags = mode_Bu;
//mode_fp4 = ?
- abihelper = be_abihelper_prepare(irg);
- be_collect_stacknodes(abihelper);
- cconv = sparc_decide_calling_convention(get_entity_type(entity), irg);
+ 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_add_parameter_entity_stores(irg);
be_transform_graph(irg, NULL);
- if (!cconv->omit_fp)
- assure_fp_keep();
- be_abihelper_finish(abihelper);
- sparc_free_calling_convention(cconv);
+ be_free_stackorder(stackorder);
+ sparc_free_calling_convention(current_cconv);
frame_type = get_irg_frame_type(irg);
if (get_type_state(frame_type) == layout_undefined)
projects / libfirm / blobdiff