MEM_VECTOR_INIT(self, functions);
MEM_VECTOR_INIT(self, globals);
+ MEM_VECTOR_INIT(self, fields);
self->name = NULL;
if (!ir_builder_set_name(self, modulename)) {
mem_d(self);
}
MEM_VEC_FUNCTIONS(ir_builder, ir_value*, globals)
+MEM_VEC_FUNCTIONS(ir_builder, ir_value*, fields)
MEM_VEC_FUNCTIONS(ir_builder, ir_function*, functions)
void ir_builder_delete(ir_builder* self)
for (i = 0; i != self->globals_count; ++i) {
ir_value_delete(self->globals[i]);
}
- MEM_VECTOR_CLEAR(self, globals);
+ MEM_VECTOR_CLEAR(self, fields);
+ for (i = 0; i != self->fields_count; ++i) {
+ ir_value_delete(self->fields[i]);
+ }
+ MEM_VECTOR_CLEAR(self, fields);
mem_d(self);
}
return ve;
}
+ir_value* ir_builder_get_field(ir_builder *self, const char *name)
+{
+ size_t i;
+ for (i = 0; i < self->fields_count; ++i) {
+ if (!strcmp(self->fields[i]->name, name))
+ return self->fields[i];
+ }
+ return NULL;
+}
+
+
+ir_value* ir_builder_create_field(ir_builder *self, const char *name, int vtype)
+{
+ ir_value *ve = ir_builder_get_field(self, name);
+ if (ve) {
+ return NULL;
+ }
+
+ ve = ir_value_var(name, store_global, TYPE_FIELD);
+ ve->fieldtype = vtype;
+ if (!ir_builder_fields_add(self, ve)) {
+ ir_value_delete(ve);
+ return NULL;
+ }
+ return ve;
+}
+
/***********************************************************************
*IR Function
*/
*IR Value
*/
+void ir_value_code_setaddr(ir_value *self, int32_t gaddr)
+{
+ self->code.globaladdr = gaddr;
+ if (self->members[0]) self->members[0]->code.globaladdr = gaddr;
+ if (self->members[1]) self->members[1]->code.globaladdr = gaddr;
+ if (self->members[2]) self->members[2]->code.globaladdr = gaddr;
+}
+
+int32_t ir_value_code_addr(const ir_value *self)
+{
+ return self->code.globaladdr + self->code.addroffset;
+}
+
ir_value* ir_value_var(const char *name, int storetype, int vtype)
{
ir_value *self;
MEM_VECTOR_INIT(self, life);
return self;
}
+
+ir_value* ir_value_vector_member(ir_value *self, unsigned int member)
+{
+ ir_value *m;
+ if (member >= 3)
+ return NULL;
+
+ if (self->members[member])
+ return self->members[member];
+
+ m = ir_value_var(self->name, self->store, TYPE_FLOAT);
+ if (!m)
+ return NULL;
+ m->context = self->context;
+
+ self->members[member] = m;
+ m->code.addroffset = member;
+
+ return m;
+}
+
MEM_VEC_FUNCTIONS(ir_value, ir_life_entry_t, life)
MEM_VEC_FUNCTIONS_ALL(ir_value, ir_instr*, reads)
MEM_VEC_FUNCTIONS_ALL(ir_value, ir_instr*, writes)
void ir_value_delete(ir_value* self)
{
+ size_t i;
if (self->name)
mem_d((void*)self->name);
if (self->isconst)
if (self->vtype == TYPE_STRING)
mem_d((void*)self->constval.vstring);
}
+ for (i = 0; i < 3; ++i) {
+ if (self->members[i])
+ ir_value_delete(self->members[i]);
+ }
MEM_VECTOR_CLEAR(self, reads);
MEM_VECTOR_CLEAR(self, writes);
MEM_VECTOR_CLEAR(self, life);
return true;
}
+bool ir_value_set_field(ir_value *self, ir_value *fld)
+{
+ if (self->vtype != TYPE_FIELD)
+ return false;
+ self->constval.vpointer = fld;
+ self->isconst = true;
+ return true;
+}
+
bool ir_value_set_string(ir_value *self, const char *str)
{
if (self->vtype != TYPE_STRING)
bool ir_block_create_store_op(ir_block *self, int op, ir_value *target, ir_value *what)
{
- if (target->store == store_value) {
+ ir_instr *in = ir_instr_new(self, op);
+ if (!in)
+ return false;
+
+ if (target->store == store_value &&
+ (op < INSTR_STOREP_F || op > INSTR_STOREP_FNC))
+ {
fprintf(stderr, "cannot store to an SSA value\n");
fprintf(stderr, "trying to store: %s <- %s\n", target->name, what->name);
+ fprintf(stderr, "instruction: %s\n", asm_instr[op].m);
+ return false;
+ }
+
+ if (!ir_instr_op(in, 0, target, true) ||
+ !ir_instr_op(in, 1, what, false) ||
+ !ir_block_instr_add(self, in) )
+ {
return false;
- } else {
- ir_instr *in = ir_instr_new(self, op);
- if (!in)
- return false;
- if (!ir_instr_op(in, 0, target, true) ||
- !ir_instr_op(in, 1, what, false) ||
- !ir_block_instr_add(self, in) )
- {
- return false;
- }
- return true;
}
+ return true;
}
bool ir_block_create_store(ir_block *self, ir_value *target, ir_value *what)
ir_value* ir_block_create_fieldaddress(ir_block *self, const char *label, ir_value *ent, ir_value *field)
{
+ ir_value *v;
+
/* Support for various pointer types todo if so desired */
if (ent->vtype != TYPE_ENTITY)
return NULL;
if (field->vtype != TYPE_FIELD)
return NULL;
- return ir_block_create_general_instr(self, label, INSTR_ADDRESS, ent, field, TYPE_POINTER);
+ v = ir_block_create_general_instr(self, label, INSTR_ADDRESS, ent, field, TYPE_POINTER);
+ v->fieldtype = field->fieldtype;
+ return v;
}
ir_value* ir_block_create_load_from_ent(ir_block *self, const char *label, ir_value *ent, ir_value *field, int outype)
}
/* copy the field's value */
- global->code.globaladdr = code_globals_add(code_globals_data[fld->code.globaladdr]);
+ ir_value_code_setaddr(global, code_globals_add(code_globals_data[fld->code.globaladdr]));
}
else
{
- prog_section_field fld;
-
- fld.name = global->code.name;
- fld.offset = code_fields_elements;
- fld.type = global->fieldtype;
-
- if (fld.type == TYPE_VOID) {
- printf("Field is missing a type: %s\n", global->name);
- return false;
- }
-
- if (code_fields_add(fld) < 0)
- return false;
-
- global->code.globaladdr = code_globals_add(fld.offset);
+ ir_value_code_setaddr(global, code_globals_add(0));
}
if (global->code.globaladdr < 0)
return false;
return false;
}
- global->code.globaladdr = code_globals_add(target->code.globaladdr);
+ ir_value_code_setaddr(global, code_globals_add(target->code.globaladdr));
}
else
{
- global->code.globaladdr = code_globals_add(0);
+ ir_value_code_setaddr(global, code_globals_add(0));
}
if (global->code.globaladdr < 0)
return false;
* come first: eg. optimize IFs without ELSE...
*/
- stmt.o1.u1 = instr->_ops[0]->code.globaladdr;
+ stmt.o1.u1 = ir_value_code_addr(instr->_ops[0]);
stmt.o2.u1 = 0;
stmt.o3.s1 = 0;
stmt.o3.u1 = 0;
stmt.opcode = type_store_instr[param->vtype];
- stmt.o1.u1 = param->code.globaladdr;
+ stmt.o1.u1 = ir_value_code_addr(param);
stmt.o2.u1 = OFS_PARM0 + 3 * p;
if (code_statements_add(stmt) < 0)
return false;
stmt.opcode = INSTR_CALL0 + instr->params_count;
if (stmt.opcode > INSTR_CALL8)
stmt.opcode = INSTR_CALL8;
- stmt.o1.u1 = instr->_ops[1]->code.globaladdr;
+ stmt.o1.u1 = ir_value_code_addr(instr->_ops[1]);
stmt.o2.u1 = 0;
stmt.o3.u1 = 0;
if (code_statements_add(stmt) < 0)
/* not to be kept in OFS_RETURN */
stmt.opcode = type_store_instr[retvalue->vtype];
stmt.o1.u1 = OFS_RETURN;
- stmt.o2.u1 = retvalue->code.globaladdr;
+ stmt.o2.u1 = ir_value_code_addr(retvalue);
stmt.o3.u1 = 0;
if (code_statements_add(stmt) < 0)
return false;
/* This is the general order of operands */
if (instr->_ops[0])
- stmt.o3.u1 = instr->_ops[0]->code.globaladdr;
+ stmt.o3.u1 = ir_value_code_addr(instr->_ops[0]);
if (instr->_ops[1])
- stmt.o1.u1 = instr->_ops[1]->code.globaladdr;
+ stmt.o1.u1 = ir_value_code_addr(instr->_ops[1]);
if (instr->_ops[2])
- stmt.o2.u1 = instr->_ops[2]->code.globaladdr;
+ stmt.o2.u1 = ir_value_code_addr(instr->_ops[2]);
if (stmt.opcode == INSTR_RETURN || stmt.opcode == INSTR_DONE)
{
stmt.o1.u1 = stmt.o3.u1;
stmt.o3.u1 = 0;
}
- else if ((stmt.opcode >= INSTR_STORE_F &&
- stmt.opcode <= INSTR_STORE_FNC) ||
- (stmt.opcode >= INSTR_NOT_F &&
- stmt.opcode <= INSTR_NOT_FNC))
+ else if (stmt.opcode >= INSTR_STORE_F &&
+ stmt.opcode <= INSTR_STORE_FNC)
{
/* 2-operand instructions with A -> B */
stmt.o2.u1 = stmt.o3.u1;
{
/* generate code.globaladdr for ssa values */
ir_value *v = irfun->values[i];
- v->code.globaladdr = local_var_end + v->code.local;
+ ir_value_code_setaddr(v, local_var_end + v->code.local);
}
for (i = 0; i < irfun->locals_count; ++i) {
/* fill the locals with zeros */
if (global->isconst) {
iptr = (int32_t*)&global->constval.vfloat;
- global->code.globaladdr = code_globals_add(*iptr);
+ ir_value_code_setaddr(global, code_globals_add(*iptr));
} else
- global->code.globaladdr = code_globals_add(0);
+ ir_value_code_setaddr(global, code_globals_add(0));
return global->code.globaladdr >= 0;
}
if (code_defs_add(def) < 0)
return false;
if (global->isconst)
- global->code.globaladdr = code_globals_add(code_cachedstring(global->constval.vstring));
+ ir_value_code_setaddr(global, code_globals_add(code_cachedstring(global->constval.vstring)));
else
- global->code.globaladdr = code_globals_add(0);
+ ir_value_code_setaddr(global, code_globals_add(0));
return global->code.globaladdr >= 0;
}
case TYPE_VECTOR:
if (global->isconst) {
iptr = (int32_t*)&global->constval.vvec;
- global->code.globaladdr = code_globals_add(iptr[0]);
+ ir_value_code_setaddr(global, code_globals_add(iptr[0]));
if (global->code.globaladdr < 0)
return false;
for (d = 1; d < type_sizeof[global->vtype]; ++d)
return false;
}
} else {
- global->code.globaladdr = code_globals_add(0);
+ ir_value_code_setaddr(global, code_globals_add(0));
if (global->code.globaladdr < 0)
return false;
for (d = 1; d < type_sizeof[global->vtype]; ++d)
case TYPE_FUNCTION:
if (code_defs_add(def) < 0)
return false;
- global->code.globaladdr = code_globals_elements;
+ ir_value_code_setaddr(global, code_globals_elements);
code_globals_add(code_functions_elements);
return gen_global_function(self, global);
case TYPE_VARIANT:
/* assume biggest type */
- global->code.globaladdr = code_globals_add(0);
+ ir_value_code_setaddr(global, code_globals_add(0));
for (i = 1; i < type_sizeof[TYPE_VARIANT]; ++i)
code_globals_add(0);
return true;
}
}
+static bool ir_builder_gen_field(ir_builder *self, ir_value *field)
+{
+ prog_section_def def;
+ prog_section_field fld;
+
+ def.type = field->vtype;
+ def.offset = code_globals_elements;
+
+ /* create a global named the same as the field */
+ if (opts_standard == COMPILER_GMQCC) {
+ /* in our standard, the global gets a dot prefix */
+ size_t len = strlen(field->name);
+ char name[1024];
+
+ /* we really don't want to have to allocate this, and 1024
+ * bytes is more than enough for a variable/field name
+ */
+ if (len+2 >= sizeof(name)) {
+ printf("invalid field name size: %u\n", (unsigned int)len);
+ return false;
+ }
+
+ name[0] = '.';
+ strcpy(name+1, field->name); /* no strncpy - we used strlen above */
+ name[len+1] = 0;
+
+ def.name = code_genstring(name);
+ fld.name = def.name + 1; /* we reuse that string table entry */
+ } else {
+ /* in plain QC, there cannot be a global with the same name,
+ * and so we also name the global the same.
+ * FIXME: fteqcc should create a global as well
+ * check if it actually uses the same name. Probably does
+ */
+ def.name = code_genstring(field->name);
+ fld.name = def.name;
+ }
+
+ field->code.name = def.name;
+
+ if (code_defs_add(def) < 0)
+ return false;
+
+ fld.type = field->fieldtype;
+
+ if (fld.type == TYPE_VOID) {
+ printf("field is missing a type: %s - don't know its size\n", field->name);
+ return false;
+ }
+
+ fld.offset = code_alloc_field(type_sizeof[field->fieldtype]);
+
+ if (code_fields_add(fld) < 0)
+ return false;
+
+ if (!code_globals_add(fld.offset))
+ return false;
+
+ ir_value_code_setaddr(field, code_globals_add(fld.offset));
+ return field->code.globaladdr >= 0;
+}
+
bool ir_builder_generate(ir_builder *self, const char *filename)
{
size_t i;
code_init();
+ for (i = 0; i < self->fields_count; ++i)
+ {
+ if (!ir_builder_gen_field(self, self->fields[i])) {
+ return false;
+ }
+ }
+
for (i = 0; i < self->globals_count; ++i)
{
if (!ir_builder_gen_global(self, self->globals[i])) {