/*
* Copyright (C) 2012, 2013
* Wolfgang Bumiller
+ * Dale Weiler
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
*/
#include <stdlib.h>
#include <string.h>
+
#include "gmqcc.h"
#include "ir.h"
"<no-expression>"
};
-size_t type_sizeof_[TYPE_COUNT] = {
+static size_t type_sizeof_[TYPE_COUNT] = {
1, /* TYPE_VOID */
1, /* TYPE_STRING */
1, /* TYPE_FLOAT */
0, /* TYPE_NOESPR */
};
-uint16_t type_store_instr[TYPE_COUNT] = {
+const uint16_t type_store_instr[TYPE_COUNT] = {
INSTR_STORE_F, /* should use I when having integer support */
INSTR_STORE_S,
INSTR_STORE_F,
VINSTR_END, /* noexpr */
};
-uint16_t field_store_instr[TYPE_COUNT] = {
+const uint16_t field_store_instr[TYPE_COUNT] = {
INSTR_STORE_FLD,
INSTR_STORE_FLD,
INSTR_STORE_FLD,
VINSTR_END, /* noexpr */
};
-uint16_t type_storep_instr[TYPE_COUNT] = {
+const uint16_t type_storep_instr[TYPE_COUNT] = {
INSTR_STOREP_F, /* should use I when having integer support */
INSTR_STOREP_S,
INSTR_STOREP_F,
VINSTR_END, /* noexpr */
};
-uint16_t type_eq_instr[TYPE_COUNT] = {
+const uint16_t type_eq_instr[TYPE_COUNT] = {
INSTR_EQ_F, /* should use I when having integer support */
INSTR_EQ_S,
INSTR_EQ_F,
VINSTR_END, /* noexpr */
};
-uint16_t type_ne_instr[TYPE_COUNT] = {
+const uint16_t type_ne_instr[TYPE_COUNT] = {
INSTR_NE_F, /* should use I when having integer support */
INSTR_NE_S,
INSTR_NE_F,
VINSTR_END, /* noexpr */
};
-uint16_t type_not_instr[TYPE_COUNT] = {
+const uint16_t type_not_instr[TYPE_COUNT] = {
INSTR_NOT_F, /* should use I when having integer support */
- INSTR_NOT_S,
+ VINSTR_END, /* not to be used, depends on string related -f flags */
INSTR_NOT_F,
INSTR_NOT_V,
INSTR_NOT_ENT,
};
/* protos */
-static void ir_gen_extparam (ir_builder *ir);
-
+static ir_value* ir_value_var(const char *name, int st, int vtype);
+static bool ir_value_set_name(ir_value*, const char *name);
+static void ir_value_dump(ir_value*, int (*oprintf)(const char*,...));
+
+static ir_value* ir_gen_extparam_proto(ir_builder *ir);
+static void ir_gen_extparam (ir_builder *ir);
+
+static bool ir_builder_set_name(ir_builder *self, const char *name);
+
+static ir_function* ir_function_new(struct ir_builder_s *owner, int returntype);
+static bool ir_function_set_name(ir_function*, const char *name);
+static void ir_function_delete(ir_function*);
+static void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...));
+
+static ir_value* ir_block_create_general_instr(ir_block *self, lex_ctx, const char *label,
+ int op, ir_value *a, ir_value *b, int outype);
+static void ir_block_delete(ir_block*);
+static ir_block* ir_block_new(struct ir_function_s *owner, const char *label);
+static bool GMQCC_WARN ir_block_create_store(ir_block*, lex_ctx, ir_value *target, ir_value *what);
+static bool ir_block_set_label(ir_block*, const char *label);
+static void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...));
+
+static bool ir_instr_op(ir_instr*, int op, ir_value *value, bool writing);
+static void ir_instr_delete(ir_instr*);
+static void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...));
/* error functions */
static void irerror(lex_ctx ctx, const char *msg, ...)
* Vector utility functions
*/
-bool GMQCC_WARN vec_ir_value_find(ir_value **vec, const ir_value *what, size_t *idx)
+static 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);
return false;
}
-bool GMQCC_WARN vec_ir_block_find(ir_block **vec, ir_block *what, size_t *idx)
+static bool GMQCC_WARN vec_ir_block_find(ir_block **vec, ir_block *what, size_t *idx)
{
size_t i;
size_t len = vec_size(vec);
return false;
}
-bool GMQCC_WARN vec_ir_instr_find(ir_instr **vec, ir_instr *what, size_t *idx)
+static bool GMQCC_WARN vec_ir_instr_find(ir_instr **vec, ir_instr *what, size_t *idx)
{
size_t i;
size_t len = vec_size(vec);
self->max_globaltemps = 0;
self->first_common_local = 0;
self->max_locals = 0;
- self->max_used_params = 0;
self->str_immediate = 0;
self->name = NULL;
return NULL;
}
- self->nil = ir_value_var("nil", store_global, TYPE_NIL);
+ self->nil = ir_value_var("nil", store_value, TYPE_NIL);
self->nil->cvq = CV_CONST;
- self->nil->untracked = true;
self->reserved_va_count = NULL;
+ self->code = code_init();
return self;
}
ir_value_delete(self->extparams[i]);
}
vec_free(self->extparams);
+ vec_free(self->extparam_protos);
for (i = 0; i != vec_size(self->globals); ++i) {
ir_value_delete(self->globals[i]);
}
vec_free(self->fields);
vec_free(self->filenames);
vec_free(self->filestrings);
+
+ code_cleanup(self->code);
mem_d(self);
}
return !!self->name;
}
-ir_function* ir_builder_get_function(ir_builder *self, const char *name)
+static ir_function* ir_builder_get_function(ir_builder *self, const char *name)
{
return (ir_function*)util_htget(self->htfunctions, name);
}
return fn;
}
-ir_value* ir_builder_get_global(ir_builder *self, const char *name)
+static ir_value* ir_builder_get_global(ir_builder *self, const char *name)
{
return (ir_value*)util_htget(self->htglobals, name);
}
ir_value* ir_builder_get_va_count(ir_builder *self)
{
- if (!self->reserved_va_count) {
- self->reserved_va_count = ir_builder_create_global(self, "reserved:va_count", TYPE_FLOAT);
- self->reserved_va_count->untracked = true;
- }
- return self->reserved_va_count;
+ 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)
+static ir_value* ir_builder_get_field(ir_builder *self, const char *name)
{
return (ir_value*)util_htget(self->htfields, name);
}
*IR Function
*/
-bool ir_function_naive_phi(ir_function*);
-void ir_function_enumerate(ir_function*);
-bool ir_function_calculate_liferanges(ir_function*);
-bool ir_function_allocate_locals(ir_function*);
+static bool ir_function_naive_phi(ir_function*);
+static void ir_function_enumerate(ir_function*);
+static bool ir_function_calculate_liferanges(ir_function*);
+static bool ir_function_allocate_locals(ir_function*);
ir_function* ir_function_new(ir_builder* owner, int outtype)
{
mem_d(self);
}
-void ir_function_collect_value(ir_function *self, ir_value *v)
+static void ir_function_collect_value(ir_function *self, ir_value *v)
{
vec_push(self->values, v);
}
(op >= INSTR_CALL0 && op <= INSTR_CALL8) );
}
-bool ir_function_pass_peephole(ir_function *self)
+static bool ir_function_pass_peephole(ir_function *self)
{
size_t b;
return true;
}
-bool ir_function_pass_tailrecursion(ir_function *self)
+static bool ir_function_pass_tailrecursion(ir_function *self)
{
size_t b, p;
return true;
}
-bool ir_function_optimize(ir_function *self)
+bool ir_function_finalize(ir_function *self)
{
+ size_t i;
+
if (self->builtin)
return true;
irerror(self->context, "internal error: ir_function_naive_phi failed");
return false;
}
- return true;
-}
-
-bool ir_function_finalize(ir_function *self)
-{
- size_t i;
-
- if (self->builtin)
- return true;
for (i = 0; i < vec_size(self->locals); ++i) {
ir_value *v = self->locals[i];
*IR Instructions
*/
-ir_instr* ir_instr_new(lex_ctx ctx, ir_block* owner, int op)
+static ir_instr* ir_instr_new(lex_ctx ctx, ir_block* owner, int op)
{
ir_instr *self;
self = (ir_instr*)mem_a(sizeof(*self));
mem_d(self);
}
-void ir_instr_delete(ir_instr *self)
+static void ir_instr_delete(ir_instr *self)
{
size_t i;
/* The following calls can only delete from
*/
for (i = 0; i < vec_size(self->phi); ++i) {
size_t idx;
- if (self->phi[i].value->untracked)
- continue;
if (vec_ir_instr_find(self->phi[i].value->writes, self, &idx))
vec_remove(self->phi[i].value->writes, idx, 1);
if (vec_ir_instr_find(self->phi[i].value->reads, self, &idx))
vec_free(self->phi);
for (i = 0; i < vec_size(self->params); ++i) {
size_t idx;
- if (self->params[i]->untracked)
- continue;
if (vec_ir_instr_find(self->params[i]->writes, self, &idx))
vec_remove(self->params[i]->writes, idx, 1);
if (vec_ir_instr_find(self->params[i]->reads, self, &idx))
mem_d(self);
}
-bool ir_instr_op(ir_instr *self, int op, ir_value *v, bool writing)
+static bool ir_instr_op(ir_instr *self, int op, ir_value *v, bool writing)
{
- ir_value *old = self->_ops[op];
- if (old && !old->untracked) {
+ if (self->_ops[op]) {
size_t idx;
- if (writing && vec_ir_instr_find(old->writes, self, &idx))
- vec_remove(old->writes, idx, 1);
- else if (vec_ir_instr_find(old->reads, self, &idx))
- vec_remove(old->reads, idx, 1);
+ if (writing && vec_ir_instr_find(self->_ops[op]->writes, self, &idx))
+ vec_remove(self->_ops[op]->writes, idx, 1);
+ else if (vec_ir_instr_find(self->_ops[op]->reads, self, &idx))
+ vec_remove(self->_ops[op]->reads, idx, 1);
}
- if (v && !v->untracked) {
+ if (v) {
if (writing)
vec_push(v->writes, self);
else
*IR Value
*/
-void ir_value_code_setaddr(ir_value *self, int32_t gaddr)
+static 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[2]) self->members[2]->code.globaladdr = gaddr;
}
-int32_t ir_value_code_addr(const ir_value *self)
+static int32_t ir_value_code_addr(const ir_value *self)
{
if (self->store == store_return)
return OFS_RETURN + self->code.addroffset;
self->store = storetype;
self->flags = 0;
- self->reads = NULL;
- self->writes = NULL;
- self->untracked = false;
+ self->reads = NULL;
+ self->writes = NULL;
self->cvq = CV_NONE;
self->hasvalue = false;
return type_sizeof_[self->vtype];
}
-ir_value* ir_value_out(ir_function *owner, const char *name, int storetype, int vtype)
+static ir_value* ir_value_out(ir_function *owner, const char *name, int storetype, int vtype)
{
ir_value *v = ir_value_var(name, storetype, vtype);
if (!v)
return false;
}
-bool ir_value_life_insert(ir_value *self, size_t idx, ir_life_entry_t e)
+static bool ir_value_life_insert(ir_value *self, size_t idx, ir_life_entry_t e)
{
size_t k;
vec_push(self->life, e);
return true;
}
-bool ir_value_life_merge(ir_value *self, size_t s)
+static bool ir_value_life_merge(ir_value *self, size_t s)
{
size_t i;
const size_t vs = vec_size(self->life);
return ir_value_life_insert(self, i, new_entry);
}
-bool ir_value_life_merge_into(ir_value *self, const ir_value *other)
+static bool ir_value_life_merge_into(ir_value *self, const ir_value *other)
{
size_t i, myi;
return true;
}
-bool ir_values_overlap(const ir_value *a, const ir_value *b)
+static bool ir_values_overlap(const ir_value *a, const ir_value *b)
{
/* For any life entry in A see if it overlaps with
* any life entry in B.
return true;
}
-bool ir_block_create_store(ir_block *self, lex_ctx ctx, ir_value *target, ir_value *what)
+static bool ir_block_create_store(ir_block *self, lex_ctx ctx, ir_value *target, ir_value *what)
{
int op = 0;
int vtype;
pe.value = v;
pe.from = b;
- if (!v->untracked)
- vec_push(v->reads, self);
+ vec_push(v->reads, self);
vec_push(self->phi, pe);
}
void ir_call_param(ir_instr* self, ir_value *v)
{
- size_t *maxparams, param;
vec_push(self->params, v);
- if (!v->untracked)
- vec_push(v->reads, self);
-
- param = vec_size(self->params);
- maxparams = &self->owner->owner->owner->max_used_params;
- if (param > *maxparams)
- *maxparams = param;
+ vec_push(v->reads, self);
}
/* binary op related code */
ot = TYPE_POINTER;
break;
#endif
+ /*
+ * after the following default case, the value of opcode can never
+ * be 1, 2, 3, 4, 5, 6, 7, 8, 9, 62, 63, 64, 65
+ */
default:
/* ranges: */
/* boolean operations result in floats */
+
+ /*
+ * opcode >= 10 takes true branch opcode is at least 10
+ * opcode <= 23 takes false branch opcode is at least 24
+ */
if (opcode >= INSTR_EQ_F && opcode <= INSTR_GT)
ot = TYPE_FLOAT;
+
+ /*
+ * At condition "opcode <= 23", the value of "opcode" must be
+ * at least 24.
+ * At condition "opcode <= 23", the value of "opcode" cannot be
+ * equal to any of {1, 2, 3, 4, 5, 6, 7, 8, 9, 62, 63, 64, 65}.
+ * The condition "opcode <= 23" cannot be true.
+ *
+ * Thus ot=2 (TYPE_FLOAT) can never be true
+ */
+#if 0
else if (opcode >= INSTR_LE && opcode <= INSTR_GT)
ot = TYPE_FLOAT;
-#if 0
else if (opcode >= INSTR_LE_I && opcode <= INSTR_EQ_FI)
ot = TYPE_FLOAT;
#endif
return ir_block_create_general_instr(self, ctx, label, opcode, operand, NULL, ot);
}
-ir_value* ir_block_create_general_instr(ir_block *self, lex_ctx ctx, const char *label,
+static ir_value* ir_block_create_general_instr(ir_block *self, lex_ctx ctx, const char *label,
int op, ir_value *a, ir_value *b, int outype)
{
ir_instr *instr;
if (param < 8)
ir_value_code_setaddr(v, OFS_PARM0 + 3*param);
else {
- ir_value *ep = self->owner->extparam_protos[param-=8];
+ 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;
}
if (instr->opcode == INSTR_MUL_VF)
{
value = instr->_ops[2];
- if (value->store == store_value ||
- value->store == store_local ||
- value->store == store_param)
- {
- /* 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;
- }
+ /* 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];
- if (value->store == store_value ||
- value->store == store_local ||
- value->store == store_param)
- {
- /* 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;
- }
+ /* 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;
}
for (o = 0; o < 3; ++o)
for (p = 0; p < vec_size(instr->phi); ++p)
{
value = instr->phi[p].value;
- if (value->store != store_value &&
- value->store != store_local &&
- value->store != store_param)
- continue;
if (!vec_ir_value_find(self->living, value, NULL))
vec_push(self->living, value);
/* reading adds the full vector */
for (p = 0; p < vec_size(instr->params); ++p)
{
value = instr->params[p];
- if (value->store != store_value &&
- value->store != store_local &&
- value->store != store_param)
- continue;
if (!vec_ir_value_find(self->living, value, NULL))
vec_push(self->living, value);
/* reading adds the full vector */
/* parameters live at 0 */
for (i = 0; i < vec_size(self->params); ++i)
- ir_value_life_merge(self->locals[i], 0);
+ if (!ir_value_life_merge(self->locals[i], 0))
+ compile_error(self->context, "internal error: failed value-life merging");
do {
self->run_id++;
*/
static bool ir_builder_gen_global(ir_builder *self, ir_value *global, bool islocal);
-static bool gen_global_field(ir_value *global)
+static bool gen_global_field(code_t *code, ir_value *global)
{
if (global->hasvalue)
{
}
/* copy the field's value */
- ir_value_code_setaddr(global, vec_size(code_globals));
- vec_push(code_globals, fld->code.fieldaddr);
+ ir_value_code_setaddr(global, vec_size(code->globals));
+ vec_push(code->globals, fld->code.fieldaddr);
if (global->fieldtype == TYPE_VECTOR) {
- vec_push(code_globals, fld->code.fieldaddr+1);
- vec_push(code_globals, fld->code.fieldaddr+2);
+ vec_push(code->globals, fld->code.fieldaddr+1);
+ vec_push(code->globals, fld->code.fieldaddr+2);
}
}
else
{
- ir_value_code_setaddr(global, vec_size(code_globals));
- vec_push(code_globals, 0);
+ ir_value_code_setaddr(global, vec_size(code->globals));
+ vec_push(code->globals, 0);
if (global->fieldtype == TYPE_VECTOR) {
- vec_push(code_globals, 0);
- vec_push(code_globals, 0);
+ vec_push(code->globals, 0);
+ vec_push(code->globals, 0);
}
}
if (global->code.globaladdr < 0)
return true;
}
-static bool gen_global_pointer(ir_value *global)
+static bool gen_global_pointer(code_t *code, ir_value *global)
{
if (global->hasvalue)
{
return false;
}
- ir_value_code_setaddr(global, vec_size(code_globals));
- vec_push(code_globals, target->code.globaladdr);
+ ir_value_code_setaddr(global, vec_size(code->globals));
+ vec_push(code->globals, target->code.globaladdr);
}
else
{
- ir_value_code_setaddr(global, vec_size(code_globals));
- vec_push(code_globals, 0);
+ ir_value_code_setaddr(global, vec_size(code->globals));
+ vec_push(code->globals, 0);
}
if (global->code.globaladdr < 0)
return false;
return true;
}
-static bool gen_blocks_recursive(ir_function *func, ir_block *block)
+static bool gen_blocks_recursive(code_t *code, ir_function *func, ir_block *block)
{
prog_section_statement stmt;
ir_instr *instr;
size_t i;
block->generated = true;
- block->code_start = vec_size(code_statements);
+ block->code_start = vec_size(code->statements);
for (i = 0; i < vec_size(block->instr); ++i)
{
instr = block->instr[i];
* yet, we generate them right here.
*/
if (!target->generated)
- return gen_blocks_recursive(func, target);
+ return gen_blocks_recursive(code, func, target);
/* otherwise we generate a jump instruction */
stmt.opcode = INSTR_GOTO;
- stmt.o1.s1 = (target->code_start) - vec_size(code_statements);
+ stmt.o1.s1 = (target->code_start) - vec_size(code->statements);
stmt.o2.s1 = 0;
stmt.o3.s1 = 0;
if (stmt.o1.s1 != 1)
- code_push_statement(&stmt, instr->context.line);
+ code_push_statement(code, &stmt, instr->context.line);
/* no further instructions can be in this block */
return true;
if (ontrue->generated) {
stmt.opcode = INSTR_IF;
- stmt.o2.s1 = (ontrue->code_start) - vec_size(code_statements);
+ stmt.o2.s1 = (ontrue->code_start) - vec_size(code->statements);
if (stmt.o2.s1 != 1)
- code_push_statement(&stmt, instr->context.line);
+ code_push_statement(code, &stmt, instr->context.line);
}
if (onfalse->generated) {
stmt.opcode = INSTR_IFNOT;
- stmt.o2.s1 = (onfalse->code_start) - vec_size(code_statements);
+ stmt.o2.s1 = (onfalse->code_start) - vec_size(code->statements);
if (stmt.o2.s1 != 1)
- code_push_statement(&stmt, instr->context.line);
+ code_push_statement(code, &stmt, instr->context.line);
}
if (!ontrue->generated) {
if (onfalse->generated)
- return gen_blocks_recursive(func, ontrue);
+ return gen_blocks_recursive(code, func, ontrue);
}
if (!onfalse->generated) {
if (ontrue->generated)
- return gen_blocks_recursive(func, onfalse);
+ return gen_blocks_recursive(code, func, onfalse);
}
/* neither ontrue nor onfalse exist */
stmt.opcode = INSTR_IFNOT;
onfalse = ontrue;
ontrue = tmp;
}
- stidx = vec_size(code_statements);
- code_push_statement(&stmt, instr->context.line);
+ stidx = vec_size(code->statements);
+ code_push_statement(code, &stmt, instr->context.line);
/* on false we jump, so add ontrue-path */
- if (!gen_blocks_recursive(func, ontrue))
+ if (!gen_blocks_recursive(code, func, ontrue))
return false;
/* fixup the jump address */
- code_statements[stidx].o2.s1 = vec_size(code_statements) - stidx;
+ code->statements[stidx].o2.s1 = vec_size(code->statements) - stidx;
/* generate onfalse path */
if (onfalse->generated) {
/* fixup the jump address */
- code_statements[stidx].o2.s1 = (onfalse->code_start) - (stidx);
- 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();
+ code->statements[stidx].o2.s1 = (onfalse->code_start) - (stidx);
+ 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(code);
}
- stmt.opcode = vec_last(code_statements).opcode;
+ stmt.opcode = vec_last(code->statements).opcode;
if (stmt.opcode == INSTR_GOTO ||
stmt.opcode == INSTR_IF ||
stmt.opcode == INSTR_IFNOT ||
}
/* may have been generated in the previous recursive call */
stmt.opcode = INSTR_GOTO;
- stmt.o1.s1 = (onfalse->code_start) - vec_size(code_statements);
+ stmt.o1.s1 = (onfalse->code_start) - vec_size(code->statements);
stmt.o2.s1 = 0;
stmt.o3.s1 = 0;
if (stmt.o1.s1 != 1)
- code_push_statement(&stmt, instr->context.line);
+ code_push_statement(code, &stmt, instr->context.line);
return true;
}
- 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();
+ 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(code);
}
/* if not, generate now */
- return gen_blocks_recursive(func, onfalse);
+ return gen_blocks_recursive(code, func, onfalse);
}
if ( (instr->opcode >= INSTR_CALL0 && instr->opcode <= INSTR_CALL8)
stmt.opcode = type_store_instr[param->vtype];
stmt.o1.u1 = ir_value_code_addr(param);
stmt.o2.u1 = OFS_PARM0 + 3 * p;
- code_push_statement(&stmt, instr->context.line);
+ code_push_statement(code, &stmt, instr->context.line);
}
/* Now handle extparams */
first = vec_size(instr->params);
stmt.opcode = type_store_instr[param->vtype];
stmt.o1.u1 = ir_value_code_addr(param);
stmt.o2.u1 = ir_value_code_addr(targetparam);
- code_push_statement(&stmt, instr->context.line);
+ code_push_statement(code, &stmt, instr->context.line);
}
stmt.opcode = INSTR_CALL0 + vec_size(instr->params);
stmt.o1.u1 = ir_value_code_addr(instr->_ops[1]);
stmt.o2.u1 = 0;
stmt.o3.u1 = 0;
- code_push_statement(&stmt, instr->context.line);
+ code_push_statement(code, &stmt, instr->context.line);
retvalue = instr->_ops[0];
if (retvalue && retvalue->store != store_return &&
stmt.o1.u1 = OFS_RETURN;
stmt.o2.u1 = ir_value_code_addr(retvalue);
stmt.o3.u1 = 0;
- code_push_statement(&stmt, instr->context.line);
+ code_push_statement(code, &stmt, instr->context.line);
}
continue;
}
}
}
- code_push_statement(&stmt, instr->context.line);
+ code_push_statement(code, &stmt, instr->context.line);
}
return true;
}
-static bool gen_function_code(ir_function *self)
+static bool gen_function_code(code_t *code, ir_function *self)
{
ir_block *block;
prog_section_statement stmt, *retst;
if (block->generated)
return true;
- if (!gen_blocks_recursive(self, block)) {
+ if (!gen_blocks_recursive(code, self, block)) {
irerror(self->context, "failed to generate blocks for '%s'", self->name);
return false;
}
/* code_write and qcvm -disasm need to know that the function ends here */
- retst = &vec_last(code_statements);
+ retst = &vec_last(code->statements);
if (OPTS_OPTIMIZATION(OPTIM_VOID_RETURN) &&
self->outtype == TYPE_VOID &&
retst->opcode == INSTR_RETURN &&
stmt.o1.u1 = 0;
stmt.o2.u1 = 0;
stmt.o3.u1 = 0;
- code_push_statement(&stmt, vec_last(code_linenums));
+ code_push_statement(code, &stmt, vec_last(code->linenums));
}
return true;
}
return ir->filestrings[i];
}
- str = code_genstring(filename);
+ str = code_genstring(ir->code, filename);
vec_push(ir->filenames, filename);
vec_push(ir->filestrings, str);
return str;
if (irfun->builtin)
fun.entry = irfun->builtin+1;
else {
- irfun->code_function_def = vec_size(code_functions);
- fun.entry = vec_size(code_statements);
+ irfun->code_function_def = vec_size(ir->code->functions);
+ fun.entry = vec_size(ir->code->statements);
}
- vec_push(code_functions, fun);
+ vec_push(ir->code->functions, fun);
return true;
}
ir_value *global;
char name[128];
- snprintf(name, sizeof(name), "EXTPARM#%i", (int)(vec_size(ir->extparam_protos)));
+ util_snprintf(name, sizeof(name), "EXTPARM#%i", (int)(vec_size(ir->extparam_protos)));
global = ir_value_var(name, store_global, TYPE_VECTOR);
- global->untracked = true;
vec_push(ir->extparam_protos, global);
return global;
else
global = ir->extparam_protos[vec_size(ir->extparams)];
- def.name = code_genstring(global->name);
- def.type = TYPE_VECTOR;
- def.offset = vec_size(code_globals);
+ def.name = code_genstring(ir->code, global->name);
+ def.type = TYPE_VECTOR;
+ def.offset = vec_size(ir->code->globals);
+
+ vec_push(ir->code->defs, def);
- vec_push(code_defs, def);
ir_value_code_setaddr(global, def.offset);
- vec_push(code_globals, 0);
- vec_push(code_globals, 0);
- vec_push(code_globals, 0);
+
+ vec_push(ir->code->globals, 0);
+ vec_push(ir->code->globals, 0);
+ vec_push(ir->code->globals, 0);
vec_push(ir->extparams, global);
}
-static bool gen_function_extparam_copy(ir_function *self)
+static bool gen_function_extparam_copy(code_t *code, ir_function *self)
{
size_t i, ext, numparams;
}
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);
+ code_push_statement(code, &stmt, self->context.line);
}
return true;
}
-static bool gen_function_varargs_copy(ir_function *self)
+static bool gen_function_varargs_copy(code_t *code, ir_function *self)
{
size_t i, ext, numparams, maxparams;
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);
+ code_push_statement(code, &stmt, self->context.line);
continue;
}
ext = i - 8;
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);
+ code_push_statement(code, &stmt, self->context.line);
}
return true;
uint32_t firstlocal, firstglobal;
irfun = global->constval.vfunc;
- def = code_functions + irfun->code_function_def;
+ def = ir->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);
+ firstlocal = def->firstlocal = vec_size(ir->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 = vec_size(ir->code->globals); i < firstlocal + irfun->allocated_locals; ++i)
+ vec_push(ir->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)) {
irerror(irfun->context, "`%s`: IR global wasn't generated, failed to access function-def", irfun->name);
return false;
}
- fundef = &code_functions[irfun->code_function_def];
+ fundef = &ir->code->functions[irfun->code_function_def];
- fundef->entry = vec_size(code_statements);
+ fundef->entry = vec_size(ir->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)) {
+ if (!gen_function_extparam_copy(ir->code, 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)) {
+ if (irfun->max_varargs && !gen_function_varargs_copy(ir->code, irfun)) {
irerror(irfun->context, "Failed to generate vararg-copy code for function %s", irfun->name);
return false;
}
- if (!gen_function_code(irfun)) {
+ if (!gen_function_code(ir->code, irfun)) {
irerror(irfun->context, "Failed to generate code for function %s", irfun->name);
return false;
}
return true;
}
-static void gen_vector_defs(prog_section_def def, const char *name)
+static void gen_vector_defs(code_t *code, prog_section_def def, const char *name)
{
char *component;
size_t len, i;
component[len-1] = 'x';
for (i = 0; i < 3; ++i) {
- def.name = code_genstring(component);
- vec_push(code_defs, def);
+ def.name = code_genstring(code, component);
+ vec_push(code->defs, def);
def.offset++;
component[len-1]++;
}
mem_d(component);
}
-static void gen_vector_fields(prog_section_field fld, const char *name)
+static void gen_vector_fields(code_t *code, prog_section_field fld, const char *name)
{
char *component;
size_t len, i;
component[len-1] = 'x';
for (i = 0; i < 3; ++i) {
- fld.name = code_genstring(component);
- vec_push(code_fields, fld);
+ fld.name = code_genstring(code, component);
+ vec_push(code->fields, fld);
fld.offset++;
component[len-1]++;
}
bool pushdef = opts.optimizeoff;
def.type = global->vtype;
- def.offset = vec_size(code_globals);
+ def.offset = vec_size(self->code->globals);
def.name = 0;
if (OPTS_OPTION_BOOL(OPTION_G) || !islocal)
{
if (pushdef && global->name) {
if (global->name[0] == '#') {
if (!self->str_immediate)
- self->str_immediate = code_genstring("IMMEDIATE");
+ self->str_immediate = code_genstring(self->code, "IMMEDIATE");
def.name = global->code.name = self->str_immediate;
}
else
- def.name = global->code.name = code_genstring(global->name);
+ def.name = global->code.name = code_genstring(self->code, global->name);
}
else
def.name = 0;
if (islocal) {
def.offset = ir_value_code_addr(global);
- vec_push(code_defs, def);
+ vec_push(self->code->defs, def);
if (global->vtype == TYPE_VECTOR)
- gen_vector_defs(def, global->name);
+ gen_vector_defs(self->code, def, global->name);
else if (global->vtype == TYPE_FIELD && global->fieldtype == TYPE_VECTOR)
- gen_vector_defs(def, global->name);
+ gen_vector_defs(self->code, def, global->name);
return true;
}
}
* Maybe this could be an -foption
* fteqcc creates data for end_sys_* - of size 1, so let's do the same
*/
- ir_value_code_setaddr(global, vec_size(code_globals));
- vec_push(code_globals, 0);
+ ir_value_code_setaddr(global, vec_size(self->code->globals));
+ vec_push(self->code->globals, 0);
/* Add the def */
- if (pushdef) vec_push(code_defs, def);
+ if (pushdef) vec_push(self->code->defs, def);
return true;
case TYPE_POINTER:
- if (pushdef) vec_push(code_defs, def);
- return gen_global_pointer(global);
+ if (pushdef) vec_push(self->code->defs, def);
+ return gen_global_pointer(self->code, global);
case TYPE_FIELD:
if (pushdef) {
- vec_push(code_defs, def);
+ vec_push(self->code->defs, def);
if (global->fieldtype == TYPE_VECTOR)
- gen_vector_defs(def, global->name);
+ gen_vector_defs(self->code, def, global->name);
}
- return gen_global_field(global);
+ return gen_global_field(self->code, global);
case TYPE_ENTITY:
/* fall through */
case TYPE_FLOAT:
{
- ir_value_code_setaddr(global, vec_size(code_globals));
+ ir_value_code_setaddr(global, vec_size(self->code->globals));
if (global->hasvalue) {
iptr = (int32_t*)&global->constval.ivec[0];
- vec_push(code_globals, *iptr);
+ vec_push(self->code->globals, *iptr);
} else {
- vec_push(code_globals, 0);
+ vec_push(self->code->globals, 0);
}
if (!islocal && global->cvq != CV_CONST)
def.type |= DEF_SAVEGLOBAL;
- if (pushdef) vec_push(code_defs, def);
+ if (pushdef) vec_push(self->code->defs, def);
return global->code.globaladdr >= 0;
}
case TYPE_STRING:
{
- ir_value_code_setaddr(global, vec_size(code_globals));
+ ir_value_code_setaddr(global, vec_size(self->code->globals));
if (global->hasvalue) {
- vec_push(code_globals, code_genstring(global->constval.vstring));
+ uint32_t load = code_genstring(self->code, global->constval.vstring);
+ vec_push(self->code->globals, load);
} else {
- vec_push(code_globals, 0);
+ vec_push(self->code->globals, 0);
}
if (!islocal && global->cvq != CV_CONST)
def.type |= DEF_SAVEGLOBAL;
- if (pushdef) vec_push(code_defs, def);
+ if (pushdef) vec_push(self->code->defs, def);
return global->code.globaladdr >= 0;
}
case TYPE_VECTOR:
{
size_t d;
- ir_value_code_setaddr(global, vec_size(code_globals));
+ ir_value_code_setaddr(global, vec_size(self->code->globals));
if (global->hasvalue) {
iptr = (int32_t*)&global->constval.ivec[0];
- vec_push(code_globals, iptr[0]);
+ vec_push(self->code->globals, iptr[0]);
if (global->code.globaladdr < 0)
return false;
for (d = 1; d < type_sizeof_[global->vtype]; ++d) {
- vec_push(code_globals, iptr[d]);
+ vec_push(self->code->globals, iptr[d]);
}
} else {
- vec_push(code_globals, 0);
+ vec_push(self->code->globals, 0);
if (global->code.globaladdr < 0)
return false;
for (d = 1; d < type_sizeof_[global->vtype]; ++d) {
- vec_push(code_globals, 0);
+ vec_push(self->code->globals, 0);
}
}
if (!islocal && global->cvq != CV_CONST)
def.type |= DEF_SAVEGLOBAL;
if (pushdef) {
- vec_push(code_defs, def);
+ vec_push(self->code->defs, def);
def.type &= ~DEF_SAVEGLOBAL;
- gen_vector_defs(def, global->name);
+ gen_vector_defs(self->code, def, global->name);
}
return global->code.globaladdr >= 0;
}
case TYPE_FUNCTION:
- ir_value_code_setaddr(global, vec_size(code_globals));
+ ir_value_code_setaddr(global, vec_size(self->code->globals));
if (!global->hasvalue) {
- vec_push(code_globals, 0);
+ vec_push(self->code->globals, 0);
if (global->code.globaladdr < 0)
return false;
} else {
- vec_push(code_globals, vec_size(code_functions));
+ vec_push(self->code->globals, vec_size(self->code->functions));
if (!gen_global_function(self, global))
return false;
}
if (!islocal && global->cvq != CV_CONST)
def.type |= DEF_SAVEGLOBAL;
- if (pushdef) vec_push(code_defs, def);
+ if (pushdef) vec_push(self->code->defs, def);
return true;
case TYPE_VARIANT:
/* assume biggest type */
- ir_value_code_setaddr(global, vec_size(code_globals));
- vec_push(code_globals, 0);
+ ir_value_code_setaddr(global, vec_size(self->code->globals));
+ vec_push(self->code->globals, 0);
for (i = 1; i < type_sizeof_[TYPE_VARIANT]; ++i)
- vec_push(code_globals, 0);
+ vec_push(self->code->globals, 0);
return true;
default:
/* refuse to create 'void' type or any other fancy business. */
}
}
-static void ir_builder_prepare_field(ir_value *field)
+static GMQCC_INLINE void ir_builder_prepare_field(code_t *code, ir_value *field)
{
- field->code.fieldaddr = code_alloc_field(type_sizeof_[field->fieldtype]);
+ field->code.fieldaddr = code_alloc_field(code, type_sizeof_[field->fieldtype]);
}
static bool ir_builder_gen_field(ir_builder *self, ir_value *field)
(void)self;
def.type = (uint16_t)field->vtype;
- def.offset = (uint16_t)vec_size(code_globals);
+ def.offset = (uint16_t)vec_size(self->code->globals);
/* create a global named the same as the field */
if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
memcpy(name+1, field->name, len); /* no strncpy - we used strlen above */
name[len+1] = 0;
- def.name = code_genstring(name);
+ def.name = code_genstring(self->code, 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,
* FIXME: fteqcc should create a global as well
* check if it actually uses the same name. Probably does
*/
- def.name = code_genstring(field->name);
+ def.name = code_genstring(self->code, field->name);
fld.name = def.name;
}
field->code.name = def.name;
- vec_push(code_defs, def);
+ vec_push(self->code->defs, def);
fld.type = field->fieldtype;
fld.offset = field->code.fieldaddr;
- vec_push(code_fields, fld);
+ vec_push(self->code->fields, fld);
- ir_value_code_setaddr(field, vec_size(code_globals));
- vec_push(code_globals, fld.offset);
+ ir_value_code_setaddr(field, vec_size(self->code->globals));
+ vec_push(self->code->globals, fld.offset);
if (fld.type == TYPE_VECTOR) {
- vec_push(code_globals, fld.offset+1);
- vec_push(code_globals, fld.offset+2);
+ vec_push(self->code->globals, fld.offset+1);
+ vec_push(self->code->globals, fld.offset+2);
}
if (field->fieldtype == TYPE_VECTOR) {
- gen_vector_defs(def, field->name);
- gen_vector_fields(fld, field->name);
+ gen_vector_defs (self->code, def, field->name);
+ gen_vector_fields(self->code, fld, field->name);
}
return field->code.globaladdr >= 0;
}
-bool ir_builder_prepare(ir_builder *self)
-{
- size_t extparams = self->max_used_params;
- if (extparams > 8) {
- for (extparams -= 8; extparams; --extparams)
- ir_gen_extparam_proto(self);
- }
- return true;
-}
-
bool ir_builder_generate(ir_builder *self, const char *filename)
{
prog_section_statement stmt;
size_t i;
char *lnofile = NULL;
- code_init();
-
for (i = 0; i < vec_size(self->fields); ++i)
{
- ir_builder_prepare_field(self->fields[i]);
+ ir_builder_prepare_field(self->code, self->fields[i]);
}
for (i = 0; i < vec_size(self->globals); ++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);
+ ir_value_code_setaddr(self->nil, vec_size(self->code->globals));
+ vec_push(self->code->globals, 0);
+ vec_push(self->code->globals, 0);
+ vec_push(self->code->globals, 0);
/* generate global temps */
- self->first_common_globaltemp = vec_size(code_globals);
+ self->first_common_globaltemp = vec_size(self->code->globals);
for (i = 0; i < self->max_globaltemps; ++i) {
- vec_push(code_globals, 0);
+ vec_push(self->code->globals, 0);
}
/* generate common locals */
- self->first_common_local = vec_size(code_globals);
+ self->first_common_local = vec_size(self->code->globals);
for (i = 0; i < self->max_locals; ++i) {
- vec_push(code_globals, 0);
+ vec_push(self->code->globals, 0);
}
/* generate function code */
}
}
- if (vec_size(code_globals) >= 65536) {
+ if (vec_size(self->code->globals) >= 65536) {
irerror(vec_last(self->globals)->context, "This progs file would require more globals than the metadata can handle. Bailing out.");
return false;
}
/* DP errors if the last instruction is not an INSTR_DONE. */
- if (vec_last(code_statements).opcode != INSTR_DONE)
+ if (vec_last(self->code->statements).opcode != INSTR_DONE)
{
stmt.opcode = INSTR_DONE;
stmt.o1.u1 = 0;
stmt.o2.u1 = 0;
stmt.o3.u1 = 0;
- code_push_statement(&stmt, vec_last(code_linenums));
+ code_push_statement(self->code, &stmt, vec_last(self->code->linenums));
}
if (OPTS_OPTION_BOOL(OPTION_PP_ONLY))
return true;
- if (vec_size(code_statements) != vec_size(code_linenums)) {
+ if (vec_size(self->code->statements) != vec_size(self->code->linenums)) {
con_err("Linecounter wrong: %lu != %lu\n",
- (unsigned long)vec_size(code_statements),
- (unsigned long)vec_size(code_linenums));
+ (unsigned long)vec_size(self->code->statements),
+ (unsigned long)vec_size(self->code->linenums));
} else if (OPTS_FLAG(LNO)) {
- char *dot;
+ char *dot;
size_t filelen = strlen(filename);
memcpy(vec_add(lnofile, filelen+1), filename, filelen+1);
else
con_out("writing '%s'\n", filename);
}
- if (!code_write(filename, lnofile)) {
+ if (!code_write(self->code, filename, lnofile)) {
vec_free(lnofile);
return false;
}
# define strncat(dst, src, sz) strncat_s(dst, sz, src, _TRUNCATE)
#endif
-const char *qc_opname(int op)
+static const char *qc_opname(int op)
{
if (op < 0) return "<INVALID>";
if (op < (int)( sizeof(asm_instr) / sizeof(asm_instr[0]) ))
return;
}
oprintf("%sfunction %s\n", ind, f->name);
- strncat(ind, "\t", IND_BUFSZ);
+ strncat(ind, "\t", IND_BUFSZ-1);
if (vec_size(f->locals))
{
oprintf("%s%i locals:\n", ind, (int)vec_size(f->locals));
}
if (vec_size(f->blocks))
{
- oprintf("%slife passes: %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) {
ir_block_dump(f->blocks[i], ind, oprintf);
}
{
size_t i;
oprintf("%s:%s\n", ind, b->label);
- strncat(ind, "\t", IND_BUFSZ);
+ strncat(ind, "\t", IND_BUFSZ-1);
if (b->instr && b->instr[0])
oprintf("%s (%i) [entry]\n", ind, (int)(b->instr[0]->eid-1));
ind[strlen(ind)-1] = 0;
}
-void dump_phi(ir_instr *in, int (*oprintf)(const char*, ...))
+static void dump_phi(ir_instr *in, int (*oprintf)(const char*, ...))
{
size_t i;
oprintf("%s <- phi ", in->_ops[0]->name);
return;
}
- strncat(ind, "\t", IND_BUFSZ);
+ strncat(ind, "\t", IND_BUFSZ-1);
if (in->_ops[0] && (in->_ops[1] || in->_ops[2])) {
ir_value_dump(in->_ops[0], oprintf);
ind[strlen(ind)-1] = 0;
}
-void ir_value_dump_string(const char *str, int (*oprintf)(const char*, ...))
+static void ir_value_dump_string(const char *str, int (*oprintf)(const char*, ...))
{
oprintf("\"");
for (; *str; ++str) {