/*
- * Copyright (C) 2012
+ * Copyright (C) 2012, 2013
* Wolfgang Bumiller
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
"variant",
"struct",
"union",
- "array"
+ "array",
+
+ "nil",
+ "<no-expression>"
};
size_t type_sizeof_[TYPE_COUNT] = {
0, /* TYPE_STRUCT */
0, /* TYPE_UNION */
0, /* TYPE_ARRAY */
+ 0, /* TYPE_NIL */
+ 0, /* TYPE_NOESPR */
};
uint16_t type_store_instr[TYPE_COUNT] = {
INSTR_STORE_V, /* variant, should never be accessed */
- AINSTR_END, /* struct */
- AINSTR_END, /* union */
- AINSTR_END, /* array */
+ VINSTR_END, /* struct */
+ VINSTR_END, /* union */
+ VINSTR_END, /* array */
+ VINSTR_END, /* nil */
+ VINSTR_END, /* noexpr */
};
uint16_t field_store_instr[TYPE_COUNT] = {
INSTR_STORE_V, /* variant, should never be accessed */
- AINSTR_END, /* struct */
- AINSTR_END, /* union */
- AINSTR_END, /* array */
+ VINSTR_END, /* struct */
+ VINSTR_END, /* union */
+ VINSTR_END, /* array */
+ VINSTR_END, /* nil */
+ VINSTR_END, /* noexpr */
};
uint16_t type_storep_instr[TYPE_COUNT] = {
INSTR_STOREP_V, /* variant, should never be accessed */
- AINSTR_END, /* struct */
- AINSTR_END, /* union */
- AINSTR_END, /* array */
+ VINSTR_END, /* struct */
+ VINSTR_END, /* union */
+ VINSTR_END, /* array */
+ VINSTR_END, /* nil */
+ VINSTR_END, /* noexpr */
};
uint16_t type_eq_instr[TYPE_COUNT] = {
INSTR_EQ_V, /* variant, should never be accessed */
- AINSTR_END, /* struct */
- AINSTR_END, /* union */
- AINSTR_END, /* array */
+ VINSTR_END, /* struct */
+ VINSTR_END, /* union */
+ VINSTR_END, /* array */
+ VINSTR_END, /* nil */
+ VINSTR_END, /* noexpr */
};
uint16_t type_ne_instr[TYPE_COUNT] = {
INSTR_NE_V, /* variant, should never be accessed */
- AINSTR_END, /* struct */
- AINSTR_END, /* union */
- AINSTR_END, /* array */
+ VINSTR_END, /* struct */
+ VINSTR_END, /* union */
+ VINSTR_END, /* array */
+ VINSTR_END, /* nil */
+ VINSTR_END, /* noexpr */
};
uint16_t type_not_instr[TYPE_COUNT] = {
INSTR_NOT_V, /* variant, should never be accessed */
- AINSTR_END, /* struct */
- AINSTR_END, /* union */
- AINSTR_END, /* array */
+ VINSTR_END, /* struct */
+ VINSTR_END, /* union */
+ VINSTR_END, /* array */
+ VINSTR_END, /* nil */
+ VINSTR_END, /* noexpr */
};
/* protos */
-static void ir_gen_extparam(ir_builder *ir);
+static ir_value* ir_gen_extparam_proto(ir_builder *ir);
+static void ir_gen_extparam (ir_builder *ir);
/* error functions */
* Vector utility functions
*/
-bool GMQCC_WARN vec_ir_value_find(ir_value **vec, ir_value *what, size_t *idx)
+bool GMQCC_WARN vec_ir_value_find(ir_value **vec, const ir_value *what, size_t *idx)
{
size_t i;
size_t len = vec_size(vec);
self->functions = NULL;
self->globals = NULL;
self->fields = NULL;
- self->extparams = NULL;
self->filenames = NULL;
self->filestrings = NULL;
self->htglobals = util_htnew(IR_HT_SIZE);
self->htfields = util_htnew(IR_HT_SIZE);
self->htfunctions = util_htnew(IR_HT_SIZE);
+ self->extparams = NULL;
+ self->extparam_protos = NULL;
+
+ self->first_common_globaltemp = 0;
+ self->max_globaltemps = 0;
+ self->first_common_local = 0;
+ self->max_locals = 0;
+
self->str_immediate = 0;
self->name = NULL;
if (!ir_builder_set_name(self, modulename)) {
return NULL;
}
+ self->nil = ir_value_var("nil", store_value, TYPE_NIL);
+ self->nil->cvq = CV_CONST;
+
+ self->reserved_va_count = NULL;
+
return self;
}
for (i = 0; i != vec_size(self->fields); ++i) {
ir_value_delete(self->fields[i]);
}
+ ir_value_delete(self->nil);
vec_free(self->fields);
vec_free(self->filenames);
vec_free(self->filestrings);
return ve;
}
+ir_value* ir_builder_get_va_count(ir_builder *self)
+{
+ if (self->reserved_va_count)
+ return self->reserved_va_count;
+ return (self->reserved_va_count = ir_builder_create_global(self, "reserved:va_count", TYPE_FLOAT));
+}
+
ir_value* ir_builder_get_field(ir_builder *self, const char *name)
{
return (ir_value*)util_htget(self->htfields, name);
mem_d(self);
return NULL;
}
+ self->flags = 0;
+
self->owner = owner;
self->context.file = "<@no context>";
self->context.line = 0;
self->values = NULL;
self->locals = NULL;
+ self->max_varargs = 0;
+
self->code_function_def = -1;
self->allocated_locals = 0;
+ self->globaltemps = 0;
self->run_id = 0;
return self;
(op >= INSTR_LOAD_F && op <= INSTR_LOAD_FNC) ||
(op == INSTR_ADDRESS) ||
(op >= INSTR_NOT_F && op <= INSTR_NOT_FNC) ||
- (op >= INSTR_AND && op <= INSTR_BITOR) );
+ (op >= INSTR_AND && op <= INSTR_BITOR) ||
+ (op >= INSTR_CALL0 && op <= INSTR_CALL8) );
}
bool ir_function_pass_peephole(ir_function *self)
if (!instr_is_operation(oper->opcode))
continue;
+ if (OPTS_FLAG(LEGACY_VECTOR_MATHS)) {
+ if (oper->opcode == INSTR_MUL_VF && oper->_ops[2]->memberof == oper->_ops[1])
+ continue;
+ if (oper->opcode == INSTR_MUL_FV && oper->_ops[1]->memberof == oper->_ops[2])
+ continue;
+ }
+
value = oper->_ops[0];
/* only do it for SSA values */
if (inot->_ops[0] != value ||
inot->opcode < INSTR_NOT_F ||
inot->opcode > INSTR_NOT_FNC ||
- inot->opcode == INSTR_NOT_V) /* can't do this one */
+ inot->opcode == INSTR_NOT_V || /* can't do these */
+ inot->opcode == INSTR_NOT_S)
{
break;
}
return true;
}
-bool ir_function_pass_tailcall(ir_function *self)
+bool ir_function_pass_tailrecursion(ir_function *self)
{
size_t b, p;
bool ir_function_finalize(ir_function *self)
{
+ size_t i;
+
if (self->builtin)
return true;
}
if (OPTS_OPTIMIZATION(OPTIM_TAIL_RECURSION)) {
- if (!ir_function_pass_tailcall(self)) {
- irerror(self->context, "tailcall optimization pass broke something in `%s`", self->name);
+ if (!ir_function_pass_tailrecursion(self)) {
+ irerror(self->context, "tail-recursion optimization pass broke something in `%s`", self->name);
return false;
}
}
- if (!ir_function_naive_phi(self))
+ if (!ir_function_naive_phi(self)) {
+ irerror(self->context, "internal error: ir_function_naive_phi failed");
return false;
+ }
+
+ for (i = 0; i < vec_size(self->locals); ++i) {
+ ir_value *v = self->locals[i];
+ if (v->vtype == TYPE_VECTOR ||
+ (v->vtype == TYPE_FIELD && v->outtype == TYPE_VECTOR))
+ {
+ ir_value_vector_member(v, 0);
+ ir_value_vector_member(v, 1);
+ ir_value_vector_member(v, 2);
+ }
+ }
+ for (i = 0; i < vec_size(self->values); ++i) {
+ ir_value *v = self->values[i];
+ if (v->vtype == TYPE_VECTOR ||
+ (v->vtype == TYPE_FIELD && v->outtype == TYPE_VECTOR))
+ {
+ ir_value_vector_member(v, 0);
+ ir_value_vector_member(v, 1);
+ ir_value_vector_member(v, 2);
+ }
+ }
ir_function_enumerate(self);
}
ve = ir_value_var(name, (param ? store_param : store_local), vtype);
+ if (param)
+ ve->locked = true;
vec_push(self->locals, ve);
return ve;
}
self->eid = 0;
self->is_return = false;
- self->run_id = 0;
self->living = NULL;
self->fieldtype = TYPE_VOID;
self->outtype = TYPE_VOID;
self->store = storetype;
+ self->flags = 0;
self->reads = NULL;
self->writes = NULL;
self->memberof = NULL;
self->unique_life = false;
+ self->locked = false;
+ self->callparam = false;
self->life = NULL;
return self;
if (self->members[member])
return self->members[member];
- len = strlen(self->name);
- name = (char*)mem_a(len + 3);
- memcpy(name, self->name, len);
- name[len+0] = '_';
- name[len+1] = 'x' + member;
- name[len+2] = '\0';
+ if (self->name) {
+ len = strlen(self->name);
+ name = (char*)mem_a(len + 3);
+ memcpy(name, self->name, len);
+ name[len+0] = '_';
+ name[len+1] = 'x' + member;
+ name[len+2] = '\0';
+ }
+ else
+ name = NULL;
+
if (self->vtype == TYPE_VECTOR)
{
m = ir_value_var(name, self->store, TYPE_FLOAT);
- mem_d(name);
+ if (name)
+ mem_d(name);
if (!m)
return NULL;
m->context = self->context;
if (self->fieldtype != TYPE_VECTOR)
return NULL;
m = ir_value_var(name, self->store, TYPE_FIELD);
- mem_d(name);
+ if (name)
+ mem_d(name);
if (!m)
return NULL;
m->fieldtype = TYPE_FLOAT;
{
if (str && !*str) {
/* actually dup empty strings */
- char *out = mem_a(1);
+ char *out = (char*)mem_a(1);
*out = 0;
return out;
}
bool ir_value_life_merge(ir_value *self, size_t s)
{
size_t i;
+ const size_t vs = vec_size(self->life);
ir_life_entry_t *life = NULL;
ir_life_entry_t *before = NULL;
ir_life_entry_t new_entry;
/* Find the first range >= s */
- for (i = 0; i < vec_size(self->life); ++i)
+ for (i = 0; i < vs; ++i)
{
before = life;
life = &self->life[i];
break;
}
/* nothing found? append */
- if (i == vec_size(self->life)) {
+ if (i == vs) {
ir_life_entry_t e;
if (life && life->end+1 == s)
{
if (!in)
return false;
- if (!ir_instr_op(in, 0, target, true) ||
+ if (!ir_instr_op(in, 0, target, (op < INSTR_STOREP_F || op > INSTR_STOREP_FNC)) ||
!ir_instr_op(in, 1, what, false))
{
ir_instr_delete(in);
bool ir_block_create_goto(ir_block *self, lex_ctx ctx, ir_block *to)
{
- ir_instr *in;
- if (!ir_check_unreachable(self))
- return false;
- self->final = true;
- in = ir_instr_new(ctx, self, INSTR_GOTO);
- if (!in)
- return false;
-
- in->bops[0] = to;
- vec_push(self->instr, in);
-
- vec_push(self->exits, to);
- vec_push(to->entries, self);
- return true;
+ self->owner->flags |= IR_FLAG_HAS_GOTO;
+ return ir_block_create_jump(self, ctx, to);
}
ir_instr* ir_block_create_phi(ir_block *self, lex_ctx ctx, const char *label, int ot)
ir_value *out;
ir_instr *in;
if (!ir_check_unreachable(self))
- return false;
+ return NULL;
in = ir_instr_new(ctx, self, VINSTR_PHI);
if (!in)
return NULL;
ir_value *out;
ir_instr *in;
if (!ir_check_unreachable(self))
- return false;
+ return NULL;
in = ir_instr_new(ctx, self, (noreturn ? VINSTR_NRCALL : INSTR_CALL0));
if (!in)
return NULL;
return ir_block_create_general_instr(self, ctx, label, op, ent, field, outype);
}
-ir_value* ir_block_create_add(ir_block *self, lex_ctx ctx,
- const char *label,
- ir_value *left, ir_value *right)
-{
- int op = 0;
- int l = left->vtype;
- int r = right->vtype;
- if (l == r) {
- switch (l) {
- default:
- irerror(self->context, "invalid type for ir_block_create_add: %s", type_name[l]);
- return NULL;
- case TYPE_FLOAT:
- op = INSTR_ADD_F;
- break;
-#if 0
- case TYPE_INTEGER:
- op = INSTR_ADD_I;
- break;
-#endif
- case TYPE_VECTOR:
- op = INSTR_ADD_V;
- break;
- }
- } else {
-#if 0
- if ( (l == TYPE_FLOAT && r == TYPE_INTEGER) )
- op = INSTR_ADD_FI;
- else if ( (l == TYPE_INTEGER && r == TYPE_FLOAT) )
- op = INSTR_ADD_IF;
- else
-#endif
- {
- irerror(self->context, "invalid type for ir_block_create_add: %s", type_name[l]);
- return NULL;
- }
- }
- return ir_block_create_binop(self, ctx, label, op, left, right);
-}
-
-ir_value* ir_block_create_sub(ir_block *self, lex_ctx ctx,
- const char *label,
- ir_value *left, ir_value *right)
-{
- int op = 0;
- int l = left->vtype;
- int r = right->vtype;
- if (l == r) {
-
- switch (l) {
- default:
- irerror(self->context, "invalid type for ir_block_create_sub: %s", type_name[l]);
- return NULL;
- case TYPE_FLOAT:
- op = INSTR_SUB_F;
- break;
-#if 0
- case TYPE_INTEGER:
- op = INSTR_SUB_I;
- break;
-#endif
- case TYPE_VECTOR:
- op = INSTR_SUB_V;
- break;
- }
- } else {
-#if 0
- if ( (l == TYPE_FLOAT && r == TYPE_INTEGER) )
- op = INSTR_SUB_FI;
- else if ( (l == TYPE_INTEGER && r == TYPE_FLOAT) )
- op = INSTR_SUB_IF;
- else
-#endif
- {
- irerror(self->context, "invalid type for ir_block_create_sub: %s", type_name[l]);
- return NULL;
- }
- }
- return ir_block_create_binop(self, ctx, label, op, left, right);
-}
-
-ir_value* ir_block_create_mul(ir_block *self, lex_ctx ctx,
- const char *label,
- ir_value *left, ir_value *right)
-{
- int op = 0;
- int l = left->vtype;
- int r = right->vtype;
- if (l == r) {
-
- switch (l) {
- default:
- irerror(self->context, "invalid type for ir_block_create_mul: %s", type_name[l]);
- return NULL;
- case TYPE_FLOAT:
- op = INSTR_MUL_F;
- break;
-#if 0
- case TYPE_INTEGER:
- op = INSTR_MUL_I;
- break;
-#endif
- case TYPE_VECTOR:
- op = INSTR_MUL_V;
- break;
- }
- } else {
- if ( (l == TYPE_VECTOR && r == TYPE_FLOAT) )
- op = INSTR_MUL_VF;
- else if ( (l == TYPE_FLOAT && r == TYPE_VECTOR) )
- op = INSTR_MUL_FV;
-#if 0
- else if ( (l == TYPE_VECTOR && r == TYPE_INTEGER) )
- op = INSTR_MUL_VI;
- else if ( (l == TYPE_INTEGER && r == TYPE_VECTOR) )
- op = INSTR_MUL_IV;
- else if ( (l == TYPE_FLOAT && r == TYPE_INTEGER) )
- op = INSTR_MUL_FI;
- else if ( (l == TYPE_INTEGER && r == TYPE_FLOAT) )
- op = INSTR_MUL_IF;
-#endif
- else {
- irerror(self->context, "invalid type for ir_block_create_mul: %s", type_name[l]);
- return NULL;
- }
- }
- return ir_block_create_binop(self, ctx, label, op, left, right);
-}
-
-ir_value* ir_block_create_div(ir_block *self, lex_ctx ctx,
- const char *label,
- ir_value *left, ir_value *right)
-{
- int op = 0;
- int l = left->vtype;
- int r = right->vtype;
- if (l == r) {
-
- switch (l) {
- default:
- irerror(self->context, "invalid type for ir_block_create_div: %s", type_name[l]);
- return NULL;
- case TYPE_FLOAT:
- op = INSTR_DIV_F;
- break;
-#if 0
- case TYPE_INTEGER:
- op = INSTR_DIV_I;
- break;
-#endif
- }
- } else {
-#if 0
- if ( (l == TYPE_VECTOR && r == TYPE_FLOAT) )
- op = INSTR_DIV_VF;
- else if ( (l == TYPE_FLOAT && r == TYPE_INTEGER) )
- op = INSTR_DIV_FI;
- else if ( (l == TYPE_INTEGER && r == TYPE_FLOAT) )
- op = INSTR_DIV_IF;
- else
-#endif
- {
- irerror(self->context, "invalid type for ir_block_create_div: %s", type_name[l]);
- return NULL;
- }
- }
- return ir_block_create_binop(self, ctx, label, op, left, right);
-}
-
/* PHI resolving breaks the SSA, and must thus be the last
* step before life-range calculation.
*/
return true;
}
-#if 0
-static bool ir_naive_phi_emit_store(ir_block *block, size_t iid, ir_value *old, ir_value *what)
-{
- ir_instr *instr;
- size_t i;
-
- /* create a store */
- if (!ir_block_create_store(block, old, what))
- return false;
-
- /* we now move it up */
- instr = vec_last(block->instr);
- for (i = vec_size(block->instr)-1; i > iid; --i)
- block->instr[i] = block->instr[i-1];
- block->instr[i] = instr;
-
- return true;
-}
-#endif
-
static bool ir_block_naive_phi(ir_block *self)
{
size_t i, p; /*, w;*/
vec_push(b->instr, prevjump);
b->final = true;
}
-
-#if 0
- ir_value *v = instr->phi[p].value;
- for (w = 0; w < vec_size(v->writes); ++w) {
- ir_value *old;
-
- if (!v->writes[w]->_ops[0])
- continue;
-
- /* When the write was to a global, we have to emit a mov */
- old = v->writes[w]->_ops[0];
-
- /* The original instruction now writes to the PHI target local */
- if (v->writes[w]->_ops[0] == v)
- v->writes[w]->_ops[0] = instr->_ops[0];
-
- if (old->store != store_value && old->store != store_local && old->store != store_param)
- {
- /* If it originally wrote to a global we need to store the value
- * there as welli
- */
- if (!ir_naive_phi_emit_store(self, i+1, old, v))
- return false;
- if (i+1 < vec_size(self->instr))
- instr = self->instr[i+1];
- else
- instr = NULL;
- /* In case I forget and access instr later, it'll be NULL
- * when it's a problem, to make sure we crash, rather than accessing
- * invalid data.
- */
- }
- else
- {
- /* If it didn't, we can replace all reads by the phi target now. */
- size_t r;
- for (r = 0; r < vec_size(old->reads); ++r)
- {
- size_t op;
- ir_instr *ri = old->reads[r];
- for (op = 0; op < vec_size(ri->phi); ++op) {
- if (ri->phi[op].value == old)
- ri->phi[op].value = v;
- }
- for (op = 0; op < 3; ++op) {
- if (ri->_ops[op] == old)
- ri->_ops[op] = v;
- }
- }
- }
- }
-#endif
}
ir_instr_delete(instr);
}
size_t instruction_id = 0;
for (i = 0; i < vec_size(self->blocks); ++i)
{
+ /* each block now gets an additional "entry" instruction id
+ * we can use to avoid point-life issues
+ */
+ self->blocks[i]->entry_id = instruction_id;
+ ++instruction_id;
+
self->blocks[i]->eid = i;
- self->blocks[i]->run_id = 0;
ir_block_enumerate(self->blocks[i], &instruction_id);
}
}
-static bool ir_block_life_propagate(ir_block *b, ir_block *prev, bool *changed);
-bool ir_function_calculate_liferanges(ir_function *self)
-{
- size_t i;
- bool changed;
-
- do {
- self->run_id++;
- changed = false;
- for (i = 0; i != vec_size(self->blocks); ++i)
- {
- if (self->blocks[i]->is_return)
- {
- vec_free(self->blocks[i]->living);
- if (!ir_block_life_propagate(self->blocks[i], NULL, &changed))
- return false;
- }
- }
- } while (changed);
- if (vec_size(self->blocks)) {
- ir_block *block = self->blocks[0];
- for (i = 0; i < vec_size(block->living); ++i) {
- ir_value *v = block->living[i];
- if (v->store != store_local)
- continue;
- if ((v->members[0] && v->members[1] && v->members[2])) {
- /* all vector members have been accessed - only treat this as uninitialized
- * if any of them is also uninitialized.
- */
- if (!vec_ir_value_find(block->living, v->members[0], NULL) &&
- !vec_ir_value_find(block->living, v->members[1], NULL) &&
- !vec_ir_value_find(block->living, v->members[2], NULL))
- {
- continue;
- }
- }
- if (v->memberof) {
- /* A member is only uninitialized if the whole vector is also uninitialized */
- if (!vec_ir_value_find(block->living, v->memberof, NULL))
- continue;
- }
- if (irwarning(v->context, WARN_USED_UNINITIALIZED,
- "variable `%s` may be used uninitialized in this function", v->name))
- {
- return false;
- }
- }
- }
- return true;
-}
-
/* Local-value allocator
* After finishing creating the liferange of all values used in a function
* we can allocate their global-positions.
bool *unique;
} function_allocator;
-static bool function_allocator_alloc(function_allocator *alloc, const ir_value *var)
+static bool function_allocator_alloc(function_allocator *alloc, ir_value *var)
{
ir_value *slot;
size_t vsize = ir_value_sizeof(var);
+ var->code.local = vec_size(alloc->locals);
+
slot = ir_value_var("reg", store_global, var->vtype);
if (!slot)
return false;
return false;
}
+static bool ir_function_allocator_assign(ir_function *self, function_allocator *alloc, ir_value *v)
+{
+ size_t a;
+ ir_value *slot;
+
+ if (v->unique_life)
+ return function_allocator_alloc(alloc, v);
+
+ for (a = 0; a < vec_size(alloc->locals); ++a)
+ {
+ /* if it's reserved for a unique liferange: skip */
+ if (alloc->unique[a])
+ continue;
+
+ slot = alloc->locals[a];
+
+ /* never resize parameters
+ * will be required later when overlapping temps + locals
+ */
+ if (a < vec_size(self->params) &&
+ alloc->sizes[a] < ir_value_sizeof(v))
+ {
+ continue;
+ }
+
+ if (ir_values_overlap(v, slot))
+ continue;
+
+ if (!ir_value_life_merge_into(slot, v))
+ return false;
+
+ /* adjust size for this slot */
+ if (alloc->sizes[a] < ir_value_sizeof(v))
+ alloc->sizes[a] = ir_value_sizeof(v);
+
+ v->code.local = a;
+ return true;
+ }
+ if (a >= vec_size(alloc->locals)) {
+ if (!function_allocator_alloc(alloc, v))
+ return false;
+ }
+ return true;
+}
+
bool ir_function_allocate_locals(ir_function *self)
{
- size_t i, a;
+ size_t i;
bool retval = true;
size_t pos;
+ bool opt_gt = OPTS_OPTIMIZATION(OPTIM_GLOBAL_TEMPS);
- ir_value *slot;
- const ir_value *v;
+ ir_value *v;
- function_allocator alloc;
+ function_allocator lockalloc, globalloc;
if (!vec_size(self->locals) && !vec_size(self->values))
return true;
- alloc.locals = NULL;
- alloc.sizes = NULL;
- alloc.positions = NULL;
- alloc.unique = NULL;
+ globalloc.locals = NULL;
+ globalloc.sizes = NULL;
+ globalloc.positions = NULL;
+ globalloc.unique = NULL;
+ lockalloc.locals = NULL;
+ lockalloc.sizes = NULL;
+ lockalloc.positions = NULL;
+ lockalloc.unique = NULL;
for (i = 0; i < vec_size(self->locals); ++i)
{
-#if 0
- if (!OPTS_OPTIMIZATION(OPTIM_LOCALTEMPS))
-#endif
- self->locals[i]->unique_life = true;
- if (!function_allocator_alloc(&alloc, self->locals[i]))
+ v = self->locals[i];
+ if ((self->flags & IR_FLAG_MASK_NO_LOCAL_TEMPS) || !OPTS_OPTIMIZATION(OPTIM_LOCAL_TEMPS)) {
+ v->locked = true;
+ v->unique_life = true;
+ }
+ else if (i >= vec_size(self->params))
+ break;
+ else
+ v->locked = true; /* lock parameters locals */
+ if (!function_allocator_alloc((v->locked || !opt_gt ? &lockalloc : &globalloc), v))
+ goto error;
+ }
+ for (; i < vec_size(self->locals); ++i)
+ {
+ v = self->locals[i];
+ if (!vec_size(v->life))
+ continue;
+ if (!ir_function_allocator_assign(self, (v->locked || !opt_gt ? &lockalloc : &globalloc), v))
goto error;
}
if (!vec_size(v->life))
continue;
- for (a = 0; a < vec_size(alloc.locals); ++a)
- {
- /* if it's reserved for a unique liferange: skip */
- if (alloc.unique[a])
- continue;
-
- slot = alloc.locals[a];
-
- /* never resize parameters
- * will be required later when overlapping temps + locals
- */
- if (a < vec_size(self->params) &&
- alloc.sizes[a] < ir_value_sizeof(v))
+ /* CALL optimization:
+ * If the value is a parameter-temp: 1 write, 1 read from a CALL
+ * and it's not "locked", write it to the OFS_PARM directly.
+ */
+ if (OPTS_OPTIMIZATION(OPTIM_CALL_STORES) && !v->locked && !v->unique_life) {
+ if (vec_size(v->reads) == 1 && vec_size(v->writes) == 1 &&
+ (v->reads[0]->opcode == VINSTR_NRCALL ||
+ (v->reads[0]->opcode >= INSTR_CALL0 && v->reads[0]->opcode <= INSTR_CALL8)
+ )
+ )
{
+ size_t param;
+ ir_instr *call = v->reads[0];
+ if (!vec_ir_value_find(call->params, v, ¶m)) {
+ irerror(call->context, "internal error: unlocked parameter %s not found", v->name);
+ goto error;
+ }
+ ++opts_optimizationcount[OPTIM_CALL_STORES];
+ v->callparam = true;
+ if (param < 8)
+ ir_value_code_setaddr(v, OFS_PARM0 + 3*param);
+ else {
+ size_t nprotos = vec_size(self->owner->extparam_protos);
+ ir_value *ep;
+ param -= 8;
+ if (nprotos > param)
+ ep = self->owner->extparam_protos[param];
+ else
+ {
+ ep = ir_gen_extparam_proto(self->owner);
+ while (++nprotos <= param)
+ ep = ir_gen_extparam_proto(self->owner);
+ }
+ ir_instr_op(v->writes[0], 0, ep, true);
+ call->params[param+8] = ep;
+ }
continue;
}
-
- if (ir_values_overlap(v, slot))
+ if (vec_size(v->writes) == 1 && v->writes[0]->opcode == INSTR_CALL0)
+ {
+ v->store = store_return;
+ if (v->members[0]) v->members[0]->store = store_return;
+ if (v->members[1]) v->members[1]->store = store_return;
+ if (v->members[2]) v->members[2]->store = store_return;
+ ++opts_optimizationcount[OPTIM_CALL_STORES];
continue;
-
- if (!ir_value_life_merge_into(slot, v))
- goto error;
-
- /* adjust size for this slot */
- if (alloc.sizes[a] < ir_value_sizeof(v))
- alloc.sizes[a] = ir_value_sizeof(v);
-
- self->values[i]->code.local = a;
- break;
- }
- if (a >= vec_size(alloc.locals)) {
- self->values[i]->code.local = vec_size(alloc.locals);
- if (!function_allocator_alloc(&alloc, v))
- goto error;
+ }
}
+
+ if (!ir_function_allocator_assign(self, (v->locked || !opt_gt ? &lockalloc : &globalloc), v))
+ goto error;
}
- if (!alloc.sizes) {
+ if (!lockalloc.sizes && !globalloc.sizes) {
goto cleanup;
}
+ vec_push(lockalloc.positions, 0);
+ vec_push(globalloc.positions, 0);
/* Adjust slot positions based on sizes */
- vec_push(alloc.positions, 0);
-
- if (vec_size(alloc.sizes))
- pos = alloc.positions[0] + alloc.sizes[0];
- else
- pos = 0;
- for (i = 1; i < vec_size(alloc.sizes); ++i)
- {
- pos = alloc.positions[i-1] + alloc.sizes[i-1];
- vec_push(alloc.positions, pos);
+ if (lockalloc.sizes) {
+ pos = (vec_size(lockalloc.sizes) ? lockalloc.positions[0] : 0);
+ for (i = 1; i < vec_size(lockalloc.sizes); ++i)
+ {
+ pos = lockalloc.positions[i-1] + lockalloc.sizes[i-1];
+ vec_push(lockalloc.positions, pos);
+ }
+ self->allocated_locals = pos + vec_last(lockalloc.sizes);
+ }
+ if (globalloc.sizes) {
+ pos = (vec_size(globalloc.sizes) ? globalloc.positions[0] : 0);
+ for (i = 1; i < vec_size(globalloc.sizes); ++i)
+ {
+ pos = globalloc.positions[i-1] + globalloc.sizes[i-1];
+ vec_push(globalloc.positions, pos);
+ }
+ self->globaltemps = pos + vec_last(globalloc.sizes);
}
-
- self->allocated_locals = pos + vec_last(alloc.sizes);
/* Locals need to know their new position */
for (i = 0; i < vec_size(self->locals); ++i) {
- self->locals[i]->code.local = alloc.positions[i];
+ v = self->locals[i];
+ if (v->locked || !opt_gt)
+ v->code.local = lockalloc.positions[v->code.local];
+ else
+ v->code.local = globalloc.positions[v->code.local];
}
/* Take over the actual slot positions on values */
for (i = 0; i < vec_size(self->values); ++i) {
- self->values[i]->code.local = alloc.positions[self->values[i]->code.local];
+ v = self->values[i];
+ if (v->locked || !opt_gt)
+ v->code.local = lockalloc.positions[v->code.local];
+ else
+ v->code.local = globalloc.positions[v->code.local];
}
goto cleanup;
error:
retval = false;
cleanup:
- for (i = 0; i < vec_size(alloc.locals); ++i)
- ir_value_delete(alloc.locals[i]);
- vec_free(alloc.unique);
- vec_free(alloc.locals);
- vec_free(alloc.sizes);
- vec_free(alloc.positions);
+ for (i = 0; i < vec_size(lockalloc.locals); ++i)
+ ir_value_delete(lockalloc.locals[i]);
+ for (i = 0; i < vec_size(globalloc.locals); ++i)
+ ir_value_delete(globalloc.locals[i]);
+ vec_free(globalloc.unique);
+ vec_free(globalloc.locals);
+ vec_free(globalloc.sizes);
+ vec_free(globalloc.positions);
+ vec_free(lockalloc.unique);
+ vec_free(lockalloc.locals);
+ vec_free(lockalloc.sizes);
+ vec_free(lockalloc.positions);
return retval;
}
static bool ir_block_living_add_instr(ir_block *self, size_t eid)
{
- size_t i;
- bool changed = false;
- bool tempbool;
- for (i = 0; i != vec_size(self->living); ++i)
+ size_t i;
+ const size_t vs = vec_size(self->living);
+ bool changed = false;
+ for (i = 0; i != vs; ++i)
{
- tempbool = ir_value_life_merge(self->living[i], eid);
- /* debug
- if (tempbool)
- irerror(self->context, "block_living_add_instr() value instruction added %s: %i", self->living[i]->_name, (int)eid);
- */
- changed = changed || tempbool;
+ if (ir_value_life_merge(self->living[i], eid))
+ changed = true;
}
return changed;
}
-static bool ir_block_life_prop_previous(ir_block* self, ir_block *prev, bool *changed)
+static bool ir_block_living_lock(ir_block *self)
{
size_t i;
-
- (void)changed;
-
- /* values which have been read in a previous iteration are now
- * in the "living" array even if the previous block doesn't use them.
- * So we have to remove whatever does not exist in the previous block.
- * They will be re-added on-read, but the liferange merge won't cause
- * a change.
- for (i = 0; i < vec_size(self->living); ++i)
+ bool changed = false;
+ for (i = 0; i != vec_size(self->living); ++i)
{
- if (!vec_ir_value_find(prev->living, self->living[i], NULL)) {
- vec_remove(self->living, i, 1);
- --i;
+ if (!self->living[i]->locked) {
+ self->living[i]->locked = true;
+ changed = true;
}
}
- */
-
- /* Whatever the previous block still has in its living set
- * must now be added to ours as well.
- */
- for (i = 0; i < vec_size(prev->living); ++i)
- {
- if (vec_ir_value_find(self->living, prev->living[i], NULL))
- continue;
- vec_push(self->living, prev->living[i]);
- /*
- irerror(self->contextt from prev: %s", self->label, prev->living[i]->_name);
- */
- }
- return true;
+ return changed;
}
-static bool ir_block_life_propagate(ir_block *self, ir_block *prev, bool *changed)
+static bool ir_block_life_propagate(ir_block *self, bool *changed)
{
ir_instr *instr;
ir_value *value;
- bool tempbool;
- size_t i, o, p;
+ size_t i, o, p, mem, cnt;
/* bitmasks which operands are read from or written to */
size_t read, write;
- char dbg_ind[16] = { '#', '0' };
+ char dbg_ind[16];
+ dbg_ind[0] = '#';
+ dbg_ind[1] = '0';
(void)dbg_ind;
- if (prev)
- {
- if (!ir_block_life_prop_previous(self, prev, changed))
- return false;
+ vec_free(self->living);
+
+ p = vec_size(self->exits);
+ for (i = 0; i < p; ++i) {
+ ir_block *prev = self->exits[i];
+ cnt = vec_size(prev->living);
+ for (o = 0; o < cnt; ++o) {
+ if (!vec_ir_value_find(self->living, prev->living[o], NULL))
+ vec_push(self->living, prev->living[o]);
+ }
}
i = vec_size(self->instr);
{ --i;
instr = self->instr[i];
- /* PHI operands are always read operands */
- for (p = 0; p < vec_size(instr->phi); ++p)
- {
- value = instr->phi[p].value;
- if (!vec_ir_value_find(self->living, value, NULL))
- vec_push(self->living, value);
- }
-
- /* call params are read operands too */
- for (p = 0; p < vec_size(instr->params); ++p)
- {
- value = instr->params[p];
- if (!vec_ir_value_find(self->living, value, NULL))
- vec_push(self->living, value);
- }
-
/* See which operands are read and write operands */
ir_op_read_write(instr->opcode, &read, &write);
- if (instr->opcode == INSTR_MUL_VF)
- {
- /* the float source will get an additional lifetime */
- tempbool = ir_value_life_merge(instr->_ops[2], instr->eid+1);
- *changed = *changed || tempbool;
- }
- else if (instr->opcode == INSTR_MUL_FV)
- {
- /* the float source will get an additional lifetime */
- tempbool = ir_value_life_merge(instr->_ops[1], instr->eid+1);
- *changed = *changed || tempbool;
- }
-
- /* Go through the 3 main operands */
+ /* Go through the 3 main operands
+ * writes first, then reads
+ */
for (o = 0; o < 3; ++o)
{
if (!instr->_ops[o]) /* no such operand */
value->store != store_param)
continue;
- /* read operands */
- if (read & (1<<o))
- {
- if (!vec_ir_value_find(self->living, value, NULL))
- vec_push(self->living, value);
- }
-
/* write operands */
/* When we write to a local, we consider it "dead" for the
* remaining upper part of the function, since in SSA a value
* and make sure it's only printed once
* since this function is run multiple times.
*/
- /* For now: debug info: */
/* con_err( "Value only written %s\n", value->name); */
- tempbool = ir_value_life_merge(value, instr->eid);
- *changed = *changed || tempbool;
- /*
- ir_instr_dump(instr, dbg_ind, printf);
- abort();
- */
+ if (ir_value_life_merge(value, instr->eid))
+ *changed = true;
} else {
/* since 'living' won't contain it
* anymore, merge the value, since
* (A) doesn't.
*/
- tempbool = ir_value_life_merge(value, instr->eid);
- /*
- if (tempbool)
- con_err( "value added id %s %i\n", value->name, (int)instr->eid);
- */
- *changed = *changed || tempbool;
+ if (ir_value_life_merge(value, instr->eid))
+ *changed = true;
/* Then remove */
vec_remove(self->living, idx, 1);
}
+ /* Removing a vector removes all members */
+ for (mem = 0; mem < 3; ++mem) {
+ if (value->members[mem] && vec_ir_value_find(self->living, value->members[mem], &idx)) {
+ if (ir_value_life_merge(value->members[mem], instr->eid))
+ *changed = true;
+ vec_remove(self->living, idx, 1);
+ }
+ }
+ /* Removing the last member removes the vector */
+ if (value->memberof) {
+ value = value->memberof;
+ for (mem = 0; mem < 3; ++mem) {
+ if (value->members[mem] && vec_ir_value_find(self->living, value->members[mem], NULL))
+ break;
+ }
+ if (mem == 3 && vec_ir_value_find(self->living, value, &idx)) {
+ if (ir_value_life_merge(value, instr->eid))
+ *changed = true;
+ vec_remove(self->living, idx, 1);
+ }
+ }
}
}
- /* (A) */
- tempbool = ir_block_living_add_instr(self, instr->eid);
- /*con_err( "living added values\n");*/
- *changed = *changed || tempbool;
- }
+ if (instr->opcode == INSTR_MUL_VF)
+ {
+ value = instr->_ops[2];
+ /* the float source will get an additional lifetime */
+ if (ir_value_life_merge(value, instr->eid+1))
+ *changed = true;
+ if (value->memberof && ir_value_life_merge(value->memberof, instr->eid+1))
+ *changed = true;
+ }
+ else if (instr->opcode == INSTR_MUL_FV || instr->opcode == INSTR_LOAD_V)
+ {
+ value = instr->_ops[1];
+ /* the float source will get an additional lifetime */
+ if (ir_value_life_merge(value, instr->eid+1))
+ *changed = true;
+ if (value->memberof && ir_value_life_merge(value->memberof, instr->eid+1))
+ *changed = true;
+ }
- if (self->run_id == self->owner->run_id)
- return true;
+ for (o = 0; o < 3; ++o)
+ {
+ if (!instr->_ops[o]) /* no such operand */
+ continue;
- self->run_id = self->owner->run_id;
+ value = instr->_ops[o];
- for (i = 0; i < vec_size(self->entries); ++i)
- {
- ir_block *entry = self->entries[i];
- ir_block_life_propagate(entry, self, changed);
+ /* We only care about locals */
+ /* we also calculate parameter liferanges so that locals
+ * can take up parameter slots */
+ if (value->store != store_value &&
+ value->store != store_local &&
+ value->store != store_param)
+ continue;
+
+ /* read operands */
+ if (read & (1<<o))
+ {
+ if (!vec_ir_value_find(self->living, value, NULL))
+ vec_push(self->living, value);
+ /* reading adds the full vector */
+ if (value->memberof && !vec_ir_value_find(self->living, value->memberof, NULL))
+ vec_push(self->living, value->memberof);
+ for (mem = 0; mem < 3; ++mem) {
+ if (value->members[mem] && !vec_ir_value_find(self->living, value->members[mem], NULL))
+ vec_push(self->living, value->members[mem]);
+ }
+ }
+ }
+ /* PHI operands are always read operands */
+ for (p = 0; p < vec_size(instr->phi); ++p)
+ {
+ value = instr->phi[p].value;
+ if (!vec_ir_value_find(self->living, value, NULL))
+ vec_push(self->living, value);
+ /* reading adds the full vector */
+ if (value->memberof && !vec_ir_value_find(self->living, value->memberof, NULL))
+ vec_push(self->living, value->memberof);
+ for (mem = 0; mem < 3; ++mem) {
+ if (value->members[mem] && !vec_ir_value_find(self->living, value->members[mem], NULL))
+ vec_push(self->living, value->members[mem]);
+ }
+ }
+
+ /* on a call, all these values must be "locked" */
+ if (instr->opcode >= INSTR_CALL0 && instr->opcode <= INSTR_CALL8) {
+ if (ir_block_living_lock(self))
+ *changed = true;
+ }
+ /* call params are read operands too */
+ for (p = 0; p < vec_size(instr->params); ++p)
+ {
+ value = instr->params[p];
+ if (!vec_ir_value_find(self->living, value, NULL))
+ vec_push(self->living, value);
+ /* reading adds the full vector */
+ if (value->memberof && !vec_ir_value_find(self->living, value->memberof, NULL))
+ vec_push(self->living, value->memberof);
+ for (mem = 0; mem < 3; ++mem) {
+ if (value->members[mem] && !vec_ir_value_find(self->living, value->members[mem], NULL))
+ vec_push(self->living, value->members[mem]);
+ }
+ }
+
+ /* (A) */
+ if (ir_block_living_add_instr(self, instr->eid))
+ *changed = true;
}
+ /* the "entry" instruction ID */
+ if (ir_block_living_add_instr(self, self->entry_id))
+ *changed = true;
return true;
}
+bool ir_function_calculate_liferanges(ir_function *self)
+{
+ size_t i, s;
+ bool changed;
+
+ /* parameters live at 0 */
+ for (i = 0; i < vec_size(self->params); ++i)
+ ir_value_life_merge(self->locals[i], 0);
+
+ do {
+ self->run_id++;
+ changed = false;
+ i = vec_size(self->blocks);
+ while (i--) {
+ ir_block_life_propagate(self->blocks[i], &changed);
+ }
+ } while (changed);
+
+ if (vec_size(self->blocks)) {
+ ir_block *block = self->blocks[0];
+ for (i = 0; i < vec_size(block->living); ++i) {
+ ir_value *v = block->living[i];
+ if (v->store != store_local)
+ continue;
+ if (v->vtype == TYPE_VECTOR)
+ continue;
+ self->flags |= IR_FLAG_HAS_UNINITIALIZED;
+ /* find the instruction reading from it */
+ for (s = 0; s < vec_size(v->reads); ++s) {
+ if (v->reads[s]->eid == v->life[0].end)
+ break;
+ }
+ if (s < vec_size(v->reads)) {
+ if (irwarning(v->context, WARN_USED_UNINITIALIZED,
+ "variable `%s` may be used uninitialized in this function\n"
+ " -> %s:%i",
+ v->name,
+ v->reads[s]->context.file, v->reads[s]->context.line)
+ )
+ {
+ return false;
+ }
+ continue;
+ }
+ if (v->memberof) {
+ ir_value *vec = v->memberof;
+ for (s = 0; s < vec_size(vec->reads); ++s) {
+ if (vec->reads[s]->eid == v->life[0].end)
+ break;
+ }
+ if (s < vec_size(vec->reads)) {
+ if (irwarning(v->context, WARN_USED_UNINITIALIZED,
+ "variable `%s` may be used uninitialized in this function\n"
+ " -> %s:%i",
+ v->name,
+ vec->reads[s]->context.file, vec->reads[s]->context.line)
+ )
+ {
+ return false;
+ }
+ continue;
+ }
+ }
+ if (irwarning(v->context, WARN_USED_UNINITIALIZED,
+ "variable `%s` may be used uninitialized in this function", v->name))
+ {
+ return false;
+ }
+ }
+ }
+ return true;
+}
+
/***********************************************************************
*IR Code-Generation
*
size_t stidx;
size_t i;
-tailcall:
block->generated = true;
block->code_start = vec_size(code_statements);
for (i = 0; i < vec_size(block->instr); ++i)
/* for uncoditional jumps, if the target hasn't been generated
* yet, we generate them right here.
*/
- if (!target->generated) {
- block = target;
- goto tailcall;
- }
+ if (!target->generated)
+ return gen_blocks_recursive(func, target);
/* otherwise we generate a jump instruction */
stmt.opcode = INSTR_GOTO;
code_push_statement(&stmt, instr->context.line);
}
if (!ontrue->generated) {
- if (onfalse->generated) {
- block = ontrue;
- goto tailcall;
- }
+ if (onfalse->generated)
+ return gen_blocks_recursive(func, ontrue);
}
if (!onfalse->generated) {
- if (ontrue->generated) {
- block = onfalse;
- goto tailcall;
- }
+ if (ontrue->generated)
+ return gen_blocks_recursive(func, onfalse);
}
/* neither ontrue nor onfalse exist */
stmt.opcode = INSTR_IFNOT;
if (onfalse->generated) {
/* fixup the jump address */
code_statements[stidx].o2.s1 = (onfalse->code_start) - (stidx);
- if (code_statements[stidx].o2.s1 == 1) {
+ if (stidx+2 == vec_size(code_statements) && code_statements[stidx].o2.s1 == 1) {
code_statements[stidx] = code_statements[stidx+1];
if (code_statements[stidx].o1.s1 < 0)
code_statements[stidx].o1.s1++;
code_push_statement(&stmt, instr->context.line);
return true;
}
- else if (code_statements[stidx].o2.s1 == 1) {
+ else if (stidx+2 == vec_size(code_statements) && code_statements[stidx].o2.s1 == 1) {
code_statements[stidx] = code_statements[stidx+1];
if (code_statements[stidx].o1.s1 < 0)
code_statements[stidx].o1.s1++;
code_pop_statement();
}
/* if not, generate now */
- block = onfalse;
- goto tailcall;
+ return gen_blocks_recursive(func, onfalse);
}
if ( (instr->opcode >= INSTR_CALL0 && instr->opcode <= INSTR_CALL8)
|| instr->opcode == VINSTR_NRCALL)
{
- /* Trivial call translation:
- * copy all params to OFS_PARM*
- * if the output's storetype is not store_return,
- * add append a STORE instruction!
- *
- * NOTES on how to do it better without much trouble:
- * -) The liferanges!
- * Simply check the liferange of all parameters for
- * other CALLs. For each param with no CALL in its
- * liferange, we can store it in an OFS_PARM at
- * generation already. This would even include later
- * reuse.... probably... :)
- */
size_t p, first;
ir_value *retvalue;
for (p = 0; p < first; ++p)
{
ir_value *param = instr->params[p];
+ if (param->callparam)
+ continue;
stmt.opcode = INSTR_STORE_F;
stmt.o3.u1 = 0;
if (param->vtype == TYPE_FIELD)
stmt.opcode = field_store_instr[param->fieldtype];
+ else if (param->vtype == TYPE_NIL)
+ stmt.opcode = INSTR_STORE_V;
else
stmt.opcode = type_store_instr[param->vtype];
stmt.o1.u1 = ir_value_code_addr(param);
ir_value *param = instr->params[p];
ir_value *targetparam;
+ if (param->callparam)
+ continue;
+
if (p-8 >= vec_size(ir->extparams))
ir_gen_extparam(ir);
if (param->vtype == TYPE_FIELD)
stmt.opcode = field_store_instr[param->fieldtype];
+ else if (param->vtype == TYPE_NIL)
+ stmt.opcode = INSTR_STORE_V;
else
stmt.opcode = type_store_instr[param->vtype];
stmt.o1.u1 = ir_value_code_addr(param);
code_push_statement(&stmt, instr->context.line);
retvalue = instr->_ops[0];
- if (retvalue && retvalue->store != store_return && vec_size(retvalue->life))
+ if (retvalue && retvalue->store != store_return &&
+ (retvalue->store == store_global || vec_size(retvalue->life)))
{
/* not to be kept in OFS_RETURN */
- if (retvalue->vtype == TYPE_FIELD)
- stmt.opcode = field_store_instr[retvalue->vtype];
+ if (retvalue->vtype == TYPE_FIELD && OPTS_FLAG(ADJUST_VECTOR_FIELDS))
+ stmt.opcode = field_store_instr[retvalue->fieldtype];
else
stmt.opcode = type_store_instr[retvalue->vtype];
stmt.o1.u1 = OFS_RETURN;
static bool gen_function_code(ir_function *self)
{
ir_block *block;
- prog_section_statement stmt;
+ prog_section_statement stmt, *retst;
/* Starting from entry point, we generate blocks "as they come"
* for now. Dead blocks will not be translated obviously.
}
/* code_write and qcvm -disasm need to know that the function ends here */
- stmt.opcode = INSTR_DONE;
- stmt.o1.u1 = 0;
- stmt.o2.u1 = 0;
- stmt.o3.u1 = 0;
- code_push_statement(&stmt, vec_last(code_linenums));
+ retst = &vec_last(code_statements);
+ if (OPTS_OPTIMIZATION(OPTIM_VOID_RETURN) &&
+ self->outtype == TYPE_VOID &&
+ retst->opcode == INSTR_RETURN &&
+ !retst->o1.u1 && !retst->o2.u1 && !retst->o3.u1)
+ {
+ retst->opcode = INSTR_DONE;
+ ++opts_optimizationcount[OPTIM_VOID_RETURN];
+ } else {
+ stmt.opcode = INSTR_DONE;
+ stmt.o1.u1 = 0;
+ stmt.o2.u1 = 0;
+ stmt.o3.u1 = 0;
+ code_push_statement(&stmt, vec_last(code_linenums));
+ }
return true;
}
fun.argsize[i] = type_sizeof_[irfun->params[i]];
}
- fun.firstlocal = vec_size(code_globals);
-
- fun.locals = irfun->allocated_locals;
- for (i = 0; i < vec_size(irfun->locals); ++i) {
- if (!ir_builder_gen_global(ir, irfun->locals[i], true)) {
- irerror(irfun->locals[i]->context, "Failed to generate local %s", irfun->locals[i]->name);
- return false;
- }
- ir_value_code_setaddr(irfun->locals[i], fun.firstlocal + irfun->locals[i]->code.local);
- }
- for (i = 0; i < vec_size(irfun->values); ++i)
- {
- /* generate code.globaladdr for ssa values */
- ir_value *v = irfun->values[i];
- ir_value_code_setaddr(v, fun.firstlocal + v->code.local);
- }
- for (i = vec_size(code_globals); i < fun.firstlocal + irfun->allocated_locals; ++i)
- vec_push(code_globals, 0);
+ fun.firstlocal = 0;
+ fun.locals = irfun->allocated_locals;
if (irfun->builtin)
fun.entry = irfun->builtin+1;
return true;
}
+static ir_value* ir_gen_extparam_proto(ir_builder *ir)
+{
+ ir_value *global;
+ char name[128];
+
+ snprintf(name, sizeof(name), "EXTPARM#%i", (int)(vec_size(ir->extparam_protos)));
+ global = ir_value_var(name, store_global, TYPE_VECTOR);
+
+ vec_push(ir->extparam_protos, global);
+ return global;
+}
+
static void ir_gen_extparam(ir_builder *ir)
{
prog_section_def def;
ir_value *global;
- char name[128];
- snprintf(name, sizeof(name), "EXTPARM#%i", (int)(vec_size(ir->extparams)+8));
- global = ir_value_var(name, store_global, TYPE_VECTOR);
+ if (vec_size(ir->extparam_protos) < vec_size(ir->extparams)+1)
+ global = ir_gen_extparam_proto(ir);
+ else
+ global = ir->extparam_protos[vec_size(ir->extparams)];
- def.name = code_genstring(name);
+ def.name = code_genstring(global->name);
def.type = TYPE_VECTOR;
def.offset = vec_size(code_globals);
return true;
}
+static bool gen_function_varargs_copy(ir_function *self)
+{
+ size_t i, ext, numparams, maxparams;
+
+ ir_builder *ir = self->owner;
+ ir_value *ep;
+ prog_section_statement stmt;
+
+ numparams = vec_size(self->params);
+ if (!numparams)
+ return true;
+
+ stmt.opcode = INSTR_STORE_V;
+ stmt.o3.s1 = 0;
+ maxparams = numparams + self->max_varargs;
+ for (i = numparams; i < maxparams; ++i) {
+ if (i < 8) {
+ stmt.o1.u1 = OFS_PARM0 + 3*i;
+ stmt.o2.u1 = ir_value_code_addr(self->locals[i]);
+ code_push_statement(&stmt, self->context.line);
+ continue;
+ }
+ ext = i - 8;
+ while (ext >= vec_size(ir->extparams))
+ ir_gen_extparam(ir);
+
+ ep = ir->extparams[ext];
+
+ stmt.o1.u1 = ir_value_code_addr(ep);
+ stmt.o2.u1 = ir_value_code_addr(self->locals[i]);
+ code_push_statement(&stmt, self->context.line);
+ }
+
+ return true;
+}
+
+static bool gen_function_locals(ir_builder *ir, ir_value *global)
+{
+ prog_section_function *def;
+ ir_function *irfun;
+ size_t i;
+ uint32_t firstlocal, firstglobal;
+
+ irfun = global->constval.vfunc;
+ def = code_functions + irfun->code_function_def;
+
+ if (OPTS_OPTION_BOOL(OPTION_G) ||
+ !OPTS_OPTIMIZATION(OPTIM_OVERLAP_LOCALS) ||
+ (irfun->flags & IR_FLAG_MASK_NO_OVERLAP))
+ {
+ firstlocal = def->firstlocal = vec_size(code_globals);
+ } else {
+ firstlocal = def->firstlocal = ir->first_common_local;
+ ++opts_optimizationcount[OPTIM_OVERLAP_LOCALS];
+ }
+
+ firstglobal = (OPTS_OPTIMIZATION(OPTIM_GLOBAL_TEMPS) ? ir->first_common_globaltemp : firstlocal);
+
+ for (i = vec_size(code_globals); i < firstlocal + irfun->allocated_locals; ++i)
+ vec_push(code_globals, 0);
+ for (i = 0; i < vec_size(irfun->locals); ++i) {
+ ir_value *v = irfun->locals[i];
+ if (v->locked || !OPTS_OPTIMIZATION(OPTIM_GLOBAL_TEMPS)) {
+ ir_value_code_setaddr(v, firstlocal + v->code.local);
+ if (!ir_builder_gen_global(ir, irfun->locals[i], true)) {
+ irerror(irfun->locals[i]->context, "failed to generate local %s", irfun->locals[i]->name);
+ return false;
+ }
+ }
+ else
+ ir_value_code_setaddr(v, firstglobal + v->code.local);
+ }
+ for (i = 0; i < vec_size(irfun->values); ++i)
+ {
+ ir_value *v = irfun->values[i];
+ if (v->callparam)
+ continue;
+ if (v->locked)
+ ir_value_code_setaddr(v, firstlocal + v->code.local);
+ else
+ ir_value_code_setaddr(v, firstglobal + v->code.local);
+ }
+ return true;
+}
+
static bool gen_global_function_code(ir_builder *ir, ir_value *global)
{
prog_section_function *fundef;
fundef = &code_functions[irfun->code_function_def];
fundef->entry = vec_size(code_statements);
+ if (!gen_function_locals(ir, global)) {
+ irerror(irfun->context, "Failed to generate locals for function %s", irfun->name);
+ return false;
+ }
if (!gen_function_extparam_copy(irfun)) {
irerror(irfun->context, "Failed to generate extparam-copy code for function %s", irfun->name);
return false;
}
+ if (irfun->max_varargs && !gen_function_varargs_copy(irfun)) {
+ irerror(irfun->context, "Failed to generate vararg-copy code for function %s", irfun->name);
+ return false;
+ }
if (!gen_function_code(irfun)) {
irerror(irfun->context, "Failed to generate code for function %s", irfun->name);
return false;
char *component;
size_t len, i;
- if (!name || OPTS_FLAG(SINGLE_VECTOR_DEFS))
+ if (!name || name[0] == '#' || OPTS_FLAG(SINGLE_VECTOR_DEFS))
return;
def.type = TYPE_FLOAT;
size_t i;
int32_t *iptr;
prog_section_def def;
+ bool pushdef = opts.optimizeoff;
def.type = global->vtype;
def.offset = vec_size(code_globals);
+ def.name = 0;
+ if (OPTS_OPTION_BOOL(OPTION_G) || !islocal)
+ {
+ pushdef = true;
- if (global->name) {
- if (global->name[0] == '#') {
- if (!self->str_immediate)
- self->str_immediate = code_genstring("IMMEDIATE");
- def.name = global->code.name = self->str_immediate;
+ if (OPTS_OPTIMIZATION(OPTIM_STRIP_CONSTANT_NAMES) &&
+ !(global->flags & IR_FLAG_INCLUDE_DEF) &&
+ (global->name[0] == '#' || global->cvq == CV_CONST))
+ {
+ pushdef = false;
+ }
+
+ if (pushdef && global->name) {
+ if (global->name[0] == '#') {
+ if (!self->str_immediate)
+ self->str_immediate = code_genstring("IMMEDIATE");
+ def.name = global->code.name = self->str_immediate;
+ }
+ else
+ def.name = global->code.name = code_genstring(global->name);
}
else
- def.name = global->code.name = code_genstring(global->name);
+ def.name = 0;
+ if (islocal) {
+ def.offset = ir_value_code_addr(global);
+ vec_push(code_defs, def);
+ if (global->vtype == TYPE_VECTOR)
+ gen_vector_defs(def, global->name);
+ else if (global->vtype == TYPE_FIELD && global->fieldtype == TYPE_VECTOR)
+ gen_vector_defs(def, global->name);
+ return true;
+ }
}
- else
- def.name = 0;
+ if (islocal)
+ return true;
switch (global->vtype)
{
ir_value_code_setaddr(global, vec_size(code_globals));
vec_push(code_globals, 0);
/* Add the def */
- vec_push(code_defs, def);
+ if (pushdef) vec_push(code_defs, def);
return true;
case TYPE_POINTER:
- vec_push(code_defs, def);
+ if (pushdef) vec_push(code_defs, def);
return gen_global_pointer(global);
case TYPE_FIELD:
- vec_push(code_defs, def);
- gen_vector_defs(def, global->name);
+ if (pushdef) {
+ vec_push(code_defs, def);
+ if (global->fieldtype == TYPE_VECTOR)
+ gen_vector_defs(def, global->name);
+ }
return gen_global_field(global);
case TYPE_ENTITY:
/* fall through */
}
if (!islocal && global->cvq != CV_CONST)
def.type |= DEF_SAVEGLOBAL;
- vec_push(code_defs, def);
+ if (pushdef) vec_push(code_defs, def);
return global->code.globaladdr >= 0;
}
}
if (!islocal && global->cvq != CV_CONST)
def.type |= DEF_SAVEGLOBAL;
- vec_push(code_defs, def);
+ if (pushdef) vec_push(code_defs, def);
return global->code.globaladdr >= 0;
}
case TYPE_VECTOR:
if (!islocal && global->cvq != CV_CONST)
def.type |= DEF_SAVEGLOBAL;
- vec_push(code_defs, def);
- def.type &= ~DEF_SAVEGLOBAL;
- gen_vector_defs(def, global->name);
+ if (pushdef) {
+ vec_push(code_defs, def);
+ def.type &= ~DEF_SAVEGLOBAL;
+ gen_vector_defs(def, global->name);
+ }
return global->code.globaladdr >= 0;
}
case TYPE_FUNCTION:
}
if (!islocal && global->cvq != CV_CONST)
def.type |= DEF_SAVEGLOBAL;
- vec_push(code_defs, def);
+ if (pushdef) vec_push(code_defs, def);
return true;
case TYPE_VARIANT:
/* assume biggest type */
def.offset = (uint16_t)vec_size(code_globals);
/* create a global named the same as the field */
- if (opts.standard == COMPILER_GMQCC) {
+ if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
/* in our standard, the global gets a dot prefix */
size_t len = strlen(field->name);
char name[1024];
{
prog_section_statement stmt;
size_t i;
- char *lnofile = NULL;
+ char *lnofile = NULL;
code_init();
if (!ir_builder_gen_global(self, self->globals[i], false)) {
return false;
}
+ if (self->globals[i]->vtype == TYPE_FUNCTION) {
+ ir_function *func = self->globals[i]->constval.vfunc;
+ if (func && self->max_locals < func->allocated_locals &&
+ !(func->flags & IR_FLAG_MASK_NO_OVERLAP))
+ {
+ self->max_locals = func->allocated_locals;
+ }
+ if (func && self->max_globaltemps < func->globaltemps)
+ self->max_globaltemps = func->globaltemps;
+ }
}
for (i = 0; i < vec_size(self->fields); ++i)
}
}
+ /* generate nil */
+ ir_value_code_setaddr(self->nil, vec_size(code_globals));
+ vec_push(code_globals, 0);
+ vec_push(code_globals, 0);
+ vec_push(code_globals, 0);
+
+ /* generate global temps */
+ self->first_common_globaltemp = vec_size(code_globals);
+ for (i = 0; i < self->max_globaltemps; ++i) {
+ vec_push(code_globals, 0);
+ }
+ /* generate common locals */
+ self->first_common_local = vec_size(code_globals);
+ for (i = 0; i < self->max_locals; ++i) {
+ vec_push(code_globals, 0);
+ }
+
/* generate function code */
for (i = 0; i < vec_size(self->globals); ++i)
{
code_push_statement(&stmt, vec_last(code_linenums));
}
- if (opts.pp_only)
+ if (OPTS_OPTION_BOOL(OPTION_PP_ONLY))
return true;
if (vec_size(code_statements) != vec_size(code_linenums)) {
memcpy(vec_add(lnofile, 5), ".lno", 5);
}
- if (lnofile)
- con_out("writing '%s' and '%s'...\n", filename, lnofile);
- else
- con_out("writing '%s'\n", filename);
+ if (!OPTS_OPTION_BOOL(OPTION_QUIET)) {
+ if (lnofile)
+ con_out("writing '%s' and '%s'...\n", filename, lnofile);
+ else
+ con_out("writing '%s'\n", filename);
+ }
if (!code_write(filename, lnofile)) {
vec_free(lnofile);
return false;
oprintf("endmodule %s\n", b->name);
}
+static const char *storenames[] = {
+ "[global]", "[local]", "[param]", "[value]", "[return]"
+};
+
void ir_function_dump(ir_function *f, char *ind,
int (*oprintf)(const char*, ...))
{
}
oprintf("%sliferanges:\n", ind);
for (i = 0; i < vec_size(f->locals); ++i) {
- size_t l;
+ const char *attr = "";
+ size_t l, m;
ir_value *v = f->locals[i];
- oprintf("%s\t%s: %s@%i ", ind, v->name, (v->unique_life ? "unique " : ""), (int)v->code.local);
+ if (v->unique_life && v->locked)
+ attr = "unique,locked ";
+ else if (v->unique_life)
+ attr = "unique ";
+ else if (v->locked)
+ attr = "locked ";
+ oprintf("%s\t%s: %s %s %s%s@%i ", ind, v->name, type_name[v->vtype],
+ storenames[v->store],
+ attr, (v->callparam ? "callparam " : ""),
+ (int)v->code.local);
+ if (!v->life)
+ oprintf("[null]");
for (l = 0; l < vec_size(v->life); ++l) {
oprintf("[%i,%i] ", v->life[l].start, v->life[l].end);
}
oprintf("\n");
+ for (m = 0; m < 3; ++m) {
+ ir_value *vm = v->members[m];
+ if (!vm)
+ continue;
+ oprintf("%s\t%s: @%i ", ind, vm->name, (int)vm->code.local);
+ for (l = 0; l < vec_size(vm->life); ++l) {
+ oprintf("[%i,%i] ", vm->life[l].start, vm->life[l].end);
+ }
+ oprintf("\n");
+ }
}
for (i = 0; i < vec_size(f->values); ++i) {
- size_t l;
+ const char *attr = "";
+ size_t l, m;
ir_value *v = f->values[i];
- oprintf("%s\t%s: @%i ", ind, v->name, (int)v->code.local);
+ if (v->unique_life && v->locked)
+ attr = "unique,locked ";
+ else if (v->unique_life)
+ attr = "unique ";
+ else if (v->locked)
+ attr = "locked ";
+ oprintf("%s\t%s: %s %s %s%s@%i ", ind, v->name, type_name[v->vtype],
+ storenames[v->store],
+ attr, (v->callparam ? "callparam " : ""),
+ (int)v->code.local);
+ if (!v->life)
+ oprintf("[null]");
for (l = 0; l < vec_size(v->life); ++l) {
oprintf("[%i,%i] ", v->life[l].start, v->life[l].end);
}
oprintf("\n");
+ for (m = 0; m < 3; ++m) {
+ ir_value *vm = v->members[m];
+ if (!vm)
+ continue;
+ if (vm->unique_life && vm->locked)
+ attr = "unique,locked ";
+ else if (vm->unique_life)
+ attr = "unique ";
+ else if (vm->locked)
+ attr = "locked ";
+ oprintf("%s\t%s: %s@%i ", ind, vm->name, attr, (int)vm->code.local);
+ for (l = 0; l < vec_size(vm->life); ++l) {
+ oprintf("[%i,%i] ", vm->life[l].start, vm->life[l].end);
+ }
+ oprintf("\n");
+ }
}
if (vec_size(f->blocks))
{
- oprintf("%slife passes (check): %i\n", ind, (int)f->run_id);
+ oprintf("%slife passes: %i\n", ind, (int)f->run_id);
for (i = 0; i < vec_size(f->blocks); ++i) {
- if (f->blocks[i]->run_id != f->run_id) {
- oprintf("%slife pass check fail! %i != %i\n", ind, (int)f->blocks[i]->run_id, (int)f->run_id);
- }
ir_block_dump(f->blocks[i], ind, oprintf);
}
oprintf("%s:%s\n", ind, b->label);
strncat(ind, "\t", IND_BUFSZ);
+ if (b->instr && b->instr[0])
+ oprintf("%s (%i) [entry]\n", ind, (int)(b->instr[0]->eid-1));
for (i = 0; i < vec_size(b->instr); ++i)
ir_instr_dump(b->instr[i], ind, oprintf);
ind[strlen(ind)-1] = 0;