/*
- * Copyright (C) 2012
+ * Copyright (C) 2012
* Wolfgang Bumiller
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
/* globals which always exist */
/* for now we give it a vector size */
- ir_builder_create_global(self, "OFS_RETURN", qc_variant);
+ ir_builder_create_global(self, "OFS_RETURN", TYPE_VARIANT);
return self;
}
{
ir_function *self;
self = (ir_function*)mem_a(sizeof(*self));
+ self->name = NULL;
if (!ir_function_set_name(self, "<@unnamed>")) {
mem_d(self);
return NULL;
self->owner = owner;
self->context.file = "<@no context>";
self->context.line = 0;
- self->retype = qc_void;
+ self->retype = TYPE_VOID;
MEM_VECTOR_INIT(self, params);
MEM_VECTOR_INIT(self, blocks);
MEM_VECTOR_INIT(self, values);
{
ir_block *self;
self = (ir_block*)mem_a(sizeof(*self));
+ self->label = NULL;
if (!ir_block_set_label(self, name)) {
mem_d(self);
return NULL;
MEM_VECTOR_INIT(self, instr);
MEM_VECTOR_INIT(self, entries);
MEM_VECTOR_INIT(self, exits);
- self->label = NULL;
self->eid = 0;
self->is_return = false;
void ir_block_delete(ir_block* self)
{
size_t i;
- mem_d((void*)self->label);
+ mem_d(self->label);
for (i = 0; i != self->instr_count; ++i)
ir_instr_delete(self->instr[i]);
MEM_VECTOR_CLEAR(self, instr);
for (i = 0; i < self->phi_count; ++i) {
size_t idx;
if (ir_value_writes_find(self->phi[i].value, self, &idx))
- if (ir_value_writes_remove(self->phi[i].value, idx));
+ if (ir_value_writes_remove(self->phi[i].value, idx)) GMQCC_SUPRESS_EMPTY_BODY;
if (ir_value_reads_find(self->phi[i].value, self, &idx))
- if (ir_value_reads_remove(self->phi[i].value, idx));
+ if (ir_value_reads_remove (self->phi[i].value, idx)) GMQCC_SUPRESS_EMPTY_BODY;
}
MEM_VECTOR_CLEAR(self, phi);
- if (ir_instr_op(self, 0, NULL, false));
- if (ir_instr_op(self, 1, NULL, false));
- if (ir_instr_op(self, 2, NULL, false));
+ if (ir_instr_op(self, 0, NULL, false)) GMQCC_SUPRESS_EMPTY_BODY;
+ if (ir_instr_op(self, 1, NULL, false)) GMQCC_SUPRESS_EMPTY_BODY;
+ if (ir_instr_op(self, 2, NULL, false)) GMQCC_SUPRESS_EMPTY_BODY;
mem_d(self);
}
mem_d((void*)self->name);
if (self->isconst)
{
- if (self->vtype == qc_string)
+ if (self->vtype == TYPE_STRING)
mem_d((void*)self->constval.vstring);
}
MEM_VECTOR_CLEAR(self, reads);
bool ir_value_set_float(ir_value *self, float f)
{
- if (self->vtype != qc_float)
+ if (self->vtype != TYPE_FLOAT)
return false;
self->constval.vfloat = f;
self->isconst = true;
return true;
}
-bool ir_value_set_vector(ir_value *self, vector_t v)
+bool ir_value_set_vector(ir_value *self, vector v)
{
- if (self->vtype != qc_vector)
+ if (self->vtype != TYPE_VECTOR)
return false;
self->constval.vvec = v;
self->isconst = true;
bool ir_value_set_string(ir_value *self, const char *str)
{
- if (self->vtype != qc_string)
+ if (self->vtype != TYPE_STRING)
return false;
self->constval.vstring = util_strdup(str);
self->isconst = true;
return true;
}
+#if 0
bool ir_value_set_int(ir_value *self, int i)
{
- if (self->vtype != qc_int)
+ if (self->vtype != TYPE_INTEGER)
return false;
self->constval.vint = i;
self->isconst = true;
return true;
}
+#endif
bool ir_value_lives(ir_value *self, size_t at)
{
}
/* nothing found? append */
if (i == self->life_count) {
+ ir_life_entry_t e;
if (life && life->end+1 == s)
{
/* previous life range can be merged in */
}
if (life && life->end >= s)
return false;
- ir_life_entry_t e;
e.start = e.end = s;
if (!ir_value_life_add(self, e))
return false; /* failing */
return ir_value_life_insert(self, i, new_entry);
}
+bool ir_values_overlap(ir_value *a, ir_value *b)
+{
+ /* For any life entry in A see if it overlaps with
+ * any life entry in B.
+ * Note that the life entries are orderes, so we can make a
+ * more efficient algorithm there than naively translating the
+ * statement above.
+ */
+
+ ir_life_entry_t *la, *lb, *enda, *endb;
+
+ /* first of all, if either has no life range, they cannot clash */
+ if (!a->life_count || !b->life_count)
+ return false;
+
+ la = a->life;
+ lb = b->life;
+ enda = la + a->life_count;
+ endb = lb + b->life_count;
+ while (true)
+ {
+ /* check if the entries overlap, for that,
+ * both must start before the other one ends.
+ */
+ if (la->start <= lb->end &&
+ lb->start <= la->end)
+ {
+ return true;
+ }
+
+ /* entries are ordered
+ * one entry is earlier than the other
+ * that earlier entry will be moved forward
+ */
+ if (la->end < lb->end)
+ {
+ /* order: A B, move A forward
+ * check if we hit the end with A
+ */
+ if (++la == enda)
+ break;
+ }
+ else if (lb->end < la->end)
+ {
+ /* order: B A, move B forward
+ * check if we hit the end with B
+ */
+ if (++lb == endb)
+ break;
+ }
+ }
+ return false;
+}
+
/***********************************************************************
*IR main operations
*/
{
int op = 0;
int vtype;
- if (target->vtype == qc_variant)
+ if (target->vtype == TYPE_VARIANT)
vtype = what->vtype;
else
vtype = target->vtype;
switch (vtype) {
- case qc_float:
+ case TYPE_FLOAT:
#if 0
- if (what->vtype == qc_int)
+ if (what->vtype == TYPE_INTEGER)
op = INSTR_CONV_ITOF;
else
#endif
op = INSTR_STORE_F;
break;
- case qc_vector:
+ case TYPE_VECTOR:
op = INSTR_STORE_V;
break;
- case qc_entity:
+ case TYPE_ENTITY:
op = INSTR_STORE_ENT;
break;
- case qc_string:
+ case TYPE_STRING:
op = INSTR_STORE_S;
break;
+ case TYPE_FIELD:
+ op = INSTR_STORE_FLD;
+ break;
#if 0
- case qc_int:
- if (what->vtype == qc_int)
+ case TYPE_INTEGER:
+ if (what->vtype == TYPE_INTEGER)
op = INSTR_CONV_FTOI;
else
op = INSTR_STORE_I;
break;
#endif
- case qc_pointer:
+ case TYPE_POINTER:
#if 0
op = INSTR_STORE_I;
#else
op = INSTR_STORE_ENT;
#endif
break;
+ default:
+ /* Unknown type */
+ return false;
+ }
+ return ir_block_create_store_op(self, op, target, what);
+}
+
+bool ir_block_create_storep(ir_block *self, ir_value *target, ir_value *what)
+{
+ int op = 0;
+ int vtype;
+
+ if (target->vtype != TYPE_POINTER)
+ return false;
+
+ /* storing using pointer - target is a pointer, type must be
+ * inferred from source
+ */
+ vtype = what->vtype;
+
+ switch (vtype) {
+ case TYPE_FLOAT:
+ op = INSTR_STOREP_F;
+ break;
+ case TYPE_VECTOR:
+ op = INSTR_STOREP_V;
+ break;
+ case TYPE_ENTITY:
+ op = INSTR_STOREP_ENT;
+ break;
+ case TYPE_STRING:
+ op = INSTR_STOREP_S;
+ break;
+ case TYPE_FIELD:
+ op = INSTR_STOREP_FLD;
+ break;
+#if 0
+ case TYPE_INTEGER:
+ op = INSTR_STOREP_I;
+ break;
+#endif
+ case TYPE_POINTER:
+#if 0
+ op = INSTR_STOREP_I;
+#else
+ op = INSTR_STOREP_ENT;
+#endif
+ break;
+ default:
+ /* Unknown type */
+ return false;
}
return ir_block_create_store_op(self, op, target, what);
}
return false;
}
self->final = true;
- //in = ir_instr_new(self, (v->vtype == qc_string ? INSTR_IF_S : INSTR_IF_F));
+ /*in = ir_instr_new(self, (v->vtype == TYPE_STRING ? INSTR_IF_S : INSTR_IF_F));*/
in = ir_instr_new(self, VINSTR_COND);
if (!in)
return false;
in = ir_instr_new(self, VINSTR_PHI);
if (!in)
return NULL;
- out = ir_value_out(self->owner, label, store_local, ot);
+ out = ir_value_out(self->owner, label, store_value, ot);
if (!out) {
ir_instr_delete(in);
return NULL;
const char *label, int opcode,
ir_value *left, ir_value *right)
{
- int ot = qc_void;
+ int ot = TYPE_VOID;
switch (opcode) {
case INSTR_ADD_F:
case INSTR_SUB_F:
case INSTR_EQ_I:
case INSTR_NE_I:
#endif
- ot = qc_float;
+ ot = TYPE_FLOAT;
break;
#if 0
case INSTR_ADD_I:
case INSTR_XOR_I:
case INSTR_RSHIFT_I:
case INSTR_LSHIFT_I:
- ot = qc_int;
+ ot = TYPE_INTEGER;
break;
#endif
case INSTR_ADD_V:
case INSTR_MUL_IV:
case INSTR_MUL_VI:
#endif
- ot = qc_vector;
+ ot = TYPE_VECTOR;
break;
#if 0
case INSTR_ADD_SF:
- ot = qc_pointer;
+ ot = TYPE_POINTER;
break;
#endif
default:
- // ranges:
+ /* ranges: */
/* boolean operations result in floats */
if (opcode >= INSTR_EQ_F && opcode <= INSTR_GT)
- ot = qc_float;
+ ot = TYPE_FLOAT;
else if (opcode >= INSTR_LE && opcode <= INSTR_GT)
- ot = qc_float;
+ ot = TYPE_FLOAT;
#if 0
else if (opcode >= INSTR_LE_I && opcode <= INSTR_EQ_FI)
- ot = qc_float;
+ ot = TYPE_FLOAT;
#endif
break;
};
- if (ot == qc_void) {
+ if (ot == TYPE_VOID) {
/* The AST or parser were supposed to check this! */
return NULL;
}
- ir_value *out = ir_value_out(self->owner, label, store_local, ot);
+ return ir_block_create_general_instr(self, label, opcode, left, right, ot);
+}
+
+ir_value* ir_block_create_general_instr(ir_block *self, const char *label,
+ int op, ir_value *a, ir_value *b, int outype)
+{
+ ir_instr *instr;
+ ir_value *out;
+
+ out = ir_value_out(self->owner, label, store_value, outype);
if (!out)
return NULL;
- ir_instr *in = ir_instr_new(self, opcode);
- if (!in) {
+ instr = ir_instr_new(self, op);
+ if (!instr) {
ir_value_delete(out);
return NULL;
}
- if (!ir_instr_op(in, 0, out, true) ||
- !ir_instr_op(in, 1, left, false) ||
- !ir_instr_op(in, 2, right, false) )
+ if (!ir_instr_op(instr, 0, out, true) ||
+ !ir_instr_op(instr, 1, a, false) ||
+ !ir_instr_op(instr, 2, b, false) )
{
goto on_error;
}
- if (!ir_block_instr_add(self, in))
+ if (!ir_block_instr_add(self, instr))
goto on_error;
return out;
on_error:
+ ir_instr_delete(instr);
ir_value_delete(out);
- ir_instr_delete(in);
return NULL;
}
+ir_value* ir_block_create_fieldaddress(ir_block *self, const char *label, ir_value *ent, ir_value *field)
+{
+ /* Support for various pointer types todo if so desired */
+ if (ent->vtype != TYPE_ENTITY)
+ return NULL;
+
+ if (field->vtype != TYPE_FIELD)
+ return NULL;
+
+ return ir_block_create_general_instr(self, label, INSTR_ADDRESS, ent, field, TYPE_POINTER);
+}
+
+ir_value* ir_block_create_load_from_ent(ir_block *self, const char *label, ir_value *ent, ir_value *field, int outype)
+{
+ int op;
+ if (ent->vtype != TYPE_ENTITY)
+ return NULL;
+
+ /* at some point we could redirect for TYPE_POINTER... but that could lead to carelessness */
+ if (field->vtype != TYPE_FIELD)
+ return NULL;
+
+ switch (outype)
+ {
+ case TYPE_FLOAT: op = INSTR_LOAD_F; break;
+ case TYPE_VECTOR: op = INSTR_LOAD_V; break;
+ case TYPE_STRING: op = INSTR_LOAD_S; break;
+ case TYPE_FIELD: op = INSTR_LOAD_FLD; break;
+ case TYPE_ENTITY: op = INSTR_LOAD_ENT; break;
+#if 0
+ case TYPE_POINTER: op = INSTR_LOAD_I; break;
+ case TYPE_INTEGER: op = INSTR_LOAD_I; break;
+#endif
+ default:
+ return NULL;
+ }
+
+ return ir_block_create_general_instr(self, label, op, ent, field, outype);
+}
+
ir_value* ir_block_create_add(ir_block *self,
const char *label,
ir_value *left, ir_value *right)
switch (l) {
default:
return NULL;
- case qc_float:
+ case TYPE_FLOAT:
op = INSTR_ADD_F;
break;
#if 0
- case qc_int:
+ case TYPE_INTEGER:
op = INSTR_ADD_I;
break;
#endif
- case qc_vector:
+ case TYPE_VECTOR:
op = INSTR_ADD_V;
break;
}
} else {
#if 0
- if ( (l == qc_float && r == qc_int) )
+ if ( (l == TYPE_FLOAT && r == TYPE_INTEGER) )
op = INSTR_ADD_FI;
- else if ( (l == qc_int && r == qc_float) )
+ else if ( (l == TYPE_INTEGER && r == TYPE_FLOAT) )
op = INSTR_ADD_IF;
else
#endif
switch (l) {
default:
return NULL;
- case qc_float:
+ case TYPE_FLOAT:
op = INSTR_SUB_F;
break;
#if 0
- case qc_int:
+ case TYPE_INTEGER:
op = INSTR_SUB_I;
break;
#endif
- case qc_vector:
+ case TYPE_VECTOR:
op = INSTR_SUB_V;
break;
}
} else {
#if 0
- if ( (l == qc_float && r == qc_int) )
+ if ( (l == TYPE_FLOAT && r == TYPE_INTEGER) )
op = INSTR_SUB_FI;
- else if ( (l == qc_int && r == qc_float) )
+ else if ( (l == TYPE_INTEGER && r == TYPE_FLOAT) )
op = INSTR_SUB_IF;
else
#endif
switch (l) {
default:
return NULL;
- case qc_float:
+ case TYPE_FLOAT:
op = INSTR_MUL_F;
break;
#if 0
- case qc_int:
+ case TYPE_INTEGER:
op = INSTR_MUL_I;
break;
#endif
- case qc_vector:
+ case TYPE_VECTOR:
op = INSTR_MUL_V;
break;
}
} else {
- if ( (l == qc_vector && r == qc_float) )
+ if ( (l == TYPE_VECTOR && r == TYPE_FLOAT) )
op = INSTR_MUL_VF;
- else if ( (l == qc_float && r == qc_vector) )
+ else if ( (l == TYPE_FLOAT && r == TYPE_VECTOR) )
op = INSTR_MUL_FV;
#if 0
- else if ( (l == qc_vector && r == qc_int) )
+ else if ( (l == TYPE_VECTOR && r == TYPE_INTEGER) )
op = INSTR_MUL_VI;
- else if ( (l == qc_int && r == qc_vector) )
+ else if ( (l == TYPE_INTEGER && r == TYPE_VECTOR) )
op = INSTR_MUL_IV;
- else if ( (l == qc_float && r == qc_int) )
+ else if ( (l == TYPE_FLOAT && r == TYPE_INTEGER) )
op = INSTR_MUL_FI;
- else if ( (l == qc_int && r == qc_float) )
+ else if ( (l == TYPE_INTEGER && r == TYPE_FLOAT) )
op = INSTR_MUL_IF;
#endif
else
switch (l) {
default:
return NULL;
- case qc_float:
+ case TYPE_FLOAT:
op = INSTR_DIV_F;
break;
#if 0
- case qc_int:
+ case TYPE_INTEGER:
op = INSTR_DIV_I;
break;
#endif
}
} else {
#if 0
- if ( (l == qc_vector && r == qc_float) )
+ if ( (l == TYPE_VECTOR && r == TYPE_FLOAT) )
op = INSTR_DIV_VF;
- else if ( (l == qc_float && r == qc_int) )
+ else if ( (l == TYPE_FLOAT && r == TYPE_INTEGER) )
op = INSTR_DIV_FI;
- else if ( (l == qc_int && r == qc_float) )
+ else if ( (l == TYPE_INTEGER && r == TYPE_FLOAT) )
op = INSTR_DIV_IF;
else
#endif
}
/* (A) */
tempbool = ir_block_living_add_instr(self, instr->eid);
- //fprintf(stderr, "living added values\n");
+ /*fprintf(stderr, "living added values\n");*/
*changed = *changed || tempbool;
/* new reads: */
MEM_VECTOR_CLEAR(&new_reads, v);
return false;
}
+
+/***********************************************************************
+ *IR DEBUG Dump functions...
+ */
+
+#define IND_BUFSZ 1024
+
+const char *qc_opname(int op)
+{
+ if (op < 0) return "<INVALID>";
+ if (op < ( sizeof(asm_instr) / sizeof(asm_instr[0]) ))
+ return asm_instr[op].m;
+ switch (op) {
+ case VINSTR_PHI: return "PHI";
+ case VINSTR_JUMP: return "JUMP";
+ case VINSTR_COND: return "COND";
+ default: return "<UNK>";
+ }
+}
+
+void ir_builder_dump(ir_builder *b, int (*oprintf)(const char*, ...))
+{
+ size_t i;
+ char indent[IND_BUFSZ];
+ indent[0] = '\t';
+ indent[1] = 0;
+
+ oprintf("module %s\n", b->name);
+ for (i = 0; i < b->globals_count; ++i)
+ {
+ oprintf("global ");
+ if (b->globals[i]->isconst)
+ oprintf("%s = ", b->globals[i]->name);
+ ir_value_dump(b->globals[i], oprintf);
+ oprintf("\n");
+ }
+ for (i = 0; i < b->functions_count; ++i)
+ ir_function_dump(b->functions[i], indent, oprintf);
+ oprintf("endmodule %s\n", b->name);
+}
+
+void ir_function_dump(ir_function *f, char *ind,
+ int (*oprintf)(const char*, ...))
+{
+ size_t i;
+ oprintf("%sfunction %s\n", ind, f->name);
+ strncat(ind, "\t", IND_BUFSZ);
+ if (f->locals_count)
+ {
+ oprintf("%s%i locals:\n", ind, (int)f->locals_count);
+ for (i = 0; i < f->locals_count; ++i) {
+ oprintf("%s\t", ind);
+ ir_value_dump(f->locals[i], oprintf);
+ oprintf("\n");
+ }
+ }
+ if (f->blocks_count)
+ {
+
+ oprintf("%slife passes: %i\n", ind, (int)f->blocks[0]->run_id);
+ for (i = 0; i < f->blocks_count; ++i)
+ ir_block_dump(f->blocks[i], ind, oprintf);
+
+ }
+ ind[strlen(ind)-1] = 0;
+ oprintf("%sendfunction %s\n", ind, f->name);
+}
+
+void ir_block_dump(ir_block* b, char *ind,
+ int (*oprintf)(const char*, ...))
+{
+ size_t i;
+ oprintf("%s:%s\n", ind, b->label);
+ strncat(ind, "\t", IND_BUFSZ);
+
+ for (i = 0; i < b->instr_count; ++i)
+ ir_instr_dump(b->instr[i], ind, oprintf);
+ ind[strlen(ind)-1] = 0;
+}
+
+void dump_phi(ir_instr *in, char *ind,
+ int (*oprintf)(const char*, ...))
+{
+ size_t i;
+ oprintf("%s <- phi ", in->_ops[0]->name);
+ for (i = 0; i < in->phi_count; ++i)
+ {
+ oprintf("([%s] : %s) ", in->phi[i].from->label,
+ in->phi[i].value->name);
+ }
+ oprintf("\n");
+}
+
+void ir_instr_dump(ir_instr *in, char *ind,
+ int (*oprintf)(const char*, ...))
+{
+ size_t i;
+ const char *comma = NULL;
+
+ oprintf("%s (%i) ", ind, (int)in->eid);
+
+ if (in->opcode == VINSTR_PHI) {
+ dump_phi(in, ind, oprintf);
+ return;
+ }
+
+ strncat(ind, "\t", IND_BUFSZ);
+
+ if (in->_ops[0] && (in->_ops[1] || in->_ops[2])) {
+ ir_value_dump(in->_ops[0], oprintf);
+ if (in->_ops[1] || in->_ops[2])
+ oprintf(" <- ");
+ }
+ oprintf("%s\t", qc_opname(in->opcode));
+ if (in->_ops[0] && !(in->_ops[1] || in->_ops[2])) {
+ ir_value_dump(in->_ops[0], oprintf);
+ comma = ",\t";
+ }
+ else
+ {
+ for (i = 1; i != 3; ++i) {
+ if (in->_ops[i]) {
+ if (comma)
+ oprintf(comma);
+ ir_value_dump(in->_ops[i], oprintf);
+ comma = ",\t";
+ }
+ }
+ }
+ if (in->bops[0]) {
+ if (comma)
+ oprintf(comma);
+ oprintf("[%s]", in->bops[0]->label);
+ comma = ",\t";
+ }
+ if (in->bops[1])
+ oprintf("%s[%s]", comma, in->bops[1]->label);
+ oprintf("\n");
+ ind[strlen(ind)-1] = 0;
+}
+
+void ir_value_dump(ir_value* v, int (*oprintf)(const char*, ...))
+{
+ if (v->isconst) {
+ switch (v->vtype) {
+ case TYPE_VOID:
+ oprintf("(void)");
+ break;
+ case TYPE_FLOAT:
+ oprintf("%g", v->constval.vfloat);
+ break;
+ case TYPE_VECTOR:
+ oprintf("'%g %g %g'",
+ v->constval.vvec.x,
+ v->constval.vvec.y,
+ v->constval.vvec.z);
+ break;
+ case TYPE_ENTITY:
+ oprintf("(entity)");
+ break;
+ case TYPE_STRING:
+ oprintf("\"%s\"", v->constval.vstring);
+ break;
+#if 0
+ case TYPE_INTEGER:
+ oprintf("%i", v->constval.vint);
+ break;
+#endif
+ case TYPE_POINTER:
+ oprintf("&%s",
+ v->constval.vpointer->name);
+ break;
+ }
+ } else {
+ oprintf("%s", v->name);
+ }
+}
+
+void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...))
+{
+ size_t i;
+ oprintf("Life of %s:\n", self->name);
+ for (i = 0; i < self->life_count; ++i)
+ {
+ oprintf(" + [%i, %i]\n", self->life[i].start, self->life[i].end);
+ }
+}