-/*
- * Copyright (C) 2012, 2013, 2014
- * Wolfgang Bumiller
- *
- * 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
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is furnished to do
- * so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
#ifndef GMQCC_IR_HDR
#define GMQCC_IR_HDR
#include "gmqcc.h"
*/
typedef uint8_t ir_flag_t;
-typedef struct ir_value_s ir_value;
-typedef struct ir_instr_s ir_instr;
-typedef struct ir_block_s ir_block;
-typedef struct ir_function_s ir_function;
-typedef struct ir_builder_s ir_builder;
+struct ir_value;
+struct ir_instr;
+struct ir_block;
+struct ir_function;
+struct ir_builder;
-typedef struct {
+struct ir_life_entry_t {
/* both inclusive */
size_t start;
size_t end;
-} ir_life_entry_t;
+};
enum {
- IR_FLAG_HAS_ARRAYS = 1 << 0,
- IR_FLAG_HAS_UNINITIALIZED = 1 << 1,
- IR_FLAG_HAS_GOTO = 1 << 2,
- IR_FLAG_INCLUDE_DEF = 1 << 3,
- IR_FLAG_ERASEABLE = 1 << 4,
- IR_FLAG_BLOCK_COVERAGE = 1 << 5,
+ IR_FLAG_HAS_ARRAYS = 1 << 0,
+ IR_FLAG_HAS_UNINITIALIZED = 1 << 1,
+ IR_FLAG_HAS_GOTO = 1 << 2,
+ IR_FLAG_INCLUDE_DEF = 1 << 3,
+ IR_FLAG_ERASABLE = 1 << 4,
+ IR_FLAG_BLOCK_COVERAGE = 1 << 5,
+
+ IR_FLAG_SPLIT_VECTOR = 1 << 6,
IR_FLAG_LAST,
IR_FLAG_MASK_NO_OVERLAP = (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED),
IR_FLAG_MASK_NO_LOCAL_TEMPS = (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED)
};
-struct ir_value_s {
- char *name;
- int vtype;
- int store;
- lex_ctx_t context;
+struct ir_value {
+ ir_value(std::string&& name, store_type storetype, qc_type vtype);
+ ir_value(ir_function *owner, std::string&& name, store_type storetype, qc_type vtype);
+ ~ir_value();
+
+ ir_value *vectorMember(unsigned int member);
+
+ bool GMQCC_WARN setFloat(float);
+ bool GMQCC_WARN setFunc(int);
+ bool GMQCC_WARN setString(const char*);
+ bool GMQCC_WARN setVector(vec3_t);
+ bool GMQCC_WARN setField(ir_value*);
+#if 0
+ bool GMQCC_WARN setInt(int);
+#endif
+
+ bool lives(size_t at);
+ void dumpLife(int (*oprintf)(const char*, ...)) const;
+
+ void setCodeAddress(int32_t gaddr);
+ int32_t codeAddress() const;
+
+ bool insertLife(size_t idx, ir_life_entry_t);
+ bool setAlive(size_t position);
+ bool mergeLife(const ir_value *other);
+ std::string m_name;
- int fieldtype; /* even the IR knows the subtype of a field */
- int outtype; /* and the output type of a function */
- int cvq; /* 'const' vs 'var' qualifier */
- ir_flag_t flags;
+ qc_type m_vtype;
+ store_type m_store;
+ lex_ctx_t m_context;
+ qc_type m_fieldtype; // even the IR knows the subtype of a field
+ qc_type m_outtype; // and the output type of a function
+ int m_cvq; // 'const' vs 'var' qualifier
+ ir_flag_t m_flags;
- ir_instr **reads;
- ir_instr **writes;
+ std::vector<ir_instr *> m_reads;
+ std::vector<ir_instr *> m_writes;
- /* constantvalues */
- bool hasvalue;
+ // constant values
+ bool m_hasvalue;
union {
- qcfloat_t vfloat;
- int vint;
- vec3_t vvec;
- int32_t ivec[3];
+ qcfloat_t vfloat;
+ int vint;
+ vec3_t vvec;
+ int32_t ivec[3];
char *vstring;
ir_value *vpointer;
ir_function *vfunc;
- } constval;
+ } m_constval;
struct {
int32_t globaladdr;
int32_t name;
- int32_t local; /* filled by the local-allocator */
- int32_t addroffset; /* added for members */
- int32_t fieldaddr; /* to generate field-addresses early */
- } code;
+ int32_t local; // filled by the local-allocator
+ int32_t addroffset; // added for members
+ int32_t fieldaddr; // to generate field-addresses early
+ } m_code;
- /* for acessing vectors */
- ir_value *members[3];
- ir_value *memberof;
+ // for accessing vectors
+ ir_value *m_members[3];
+ ir_value *m_memberof;
+ bool m_unique_life; // arrays will never overlap with temps
+ bool m_locked; // temps living during a CALL must be locked
+ bool m_callparam;
- bool unique_life; /* arrays will never overlap with temps */
- bool locked; /* temps living during a CALL must be locked */
- bool callparam;
+ std::vector<ir_life_entry_t> m_life; // For the temp allocator
- ir_life_entry_t *life; /* For the temp allocator */
-};
+ size_t size() const;
-/*
- * ir_value can be a variable, or created by an operation
- * if a result of an operation: the function should store
- * it to remember to delete it / garbage collect it
- */
-void ir_value_delete(ir_value*);
-ir_value* ir_value_vector_member(ir_value*, unsigned int member);
-bool GMQCC_WARN ir_value_set_float(ir_value*, float f);
-bool GMQCC_WARN ir_value_set_func(ir_value*, int f);
-bool GMQCC_WARN ir_value_set_string(ir_value*, const char *s);
-bool GMQCC_WARN ir_value_set_vector(ir_value*, vec3_t v);
-bool GMQCC_WARN ir_value_set_field(ir_value*, ir_value *fld);
-bool ir_value_lives(ir_value*, size_t);
-void ir_value_dump_life(const ir_value *self, int (*oprintf)(const char*,...));
+ void dump(int (*oprintf)(const char*, ...)) const;
+};
/* PHI data */
-typedef struct ir_phi_entry_s {
+struct ir_phi_entry_t {
ir_value *value;
ir_block *from;
-} ir_phi_entry_t;
+};
/* instruction */
-struct ir_instr_s {
- int opcode;
- lex_ctx_t context;
- ir_value* (_ops[3]);
- ir_block* (bops[2]);
+struct ir_instr {
+ ir_instr(lex_ctx_t, ir_block *owner, int opcode);
+ ~ir_instr();
- ir_phi_entry_t *phi;
- ir_value **params;
+ int m_opcode;
+ lex_ctx_t m_context;
+ ir_value *(_m_ops[3]) = { nullptr, nullptr, nullptr };
+ ir_block *(m_bops[2]) = { nullptr, nullptr };
- /* For the temp-allocation */
- size_t eid;
+ std::vector<ir_phi_entry_t> m_phi;
+ std::vector<ir_value *> m_params;
+
+ // For the temp-allocation
+ size_t m_eid = 0;
- /* For IFs */
- bool likely;
+ // For IFs
+ bool m_likely = true;
- ir_block *owner;
+ ir_block *m_owner;
};
/* block */
-struct ir_block_s {
- char *label;
- lex_ctx_t context;
- bool final; /* once a jump is added we're done */
+struct ir_block {
+ ir_block(ir_function *owner, const std::string& name);
+ ~ir_block();
- ir_instr **instr;
- ir_block **entries;
- ir_block **exits;
- ir_value **living;
+ ir_function *m_owner;
+ std::string m_label;
- /* For the temp-allocation */
- size_t entry_id;
- size_t eid;
- bool is_return;
+ lex_ctx_t m_context;
+ bool m_final = false; /* once a jump is added we're done */
- ir_function *owner;
+ ir_instr **m_instr = nullptr;
+ ir_block **m_entries = nullptr;
+ ir_block **m_exits = nullptr;
+ std::vector<ir_value *> m_living;
- bool generated;
- size_t code_start;
+ /* For the temp-allocation */
+ size_t m_entry_id = 0;
+ size_t m_eid = 0;
+ bool m_is_return = false;
+
+ bool m_generated = false;
+ size_t m_code_start = 0;
};
ir_value* ir_block_create_binop(ir_block*, lex_ctx_t, const char *label, int op, ir_value *left, ir_value *right);
ir_value* ir_block_create_unary(ir_block*, lex_ctx_t, const char *label, int op, ir_value *operand);
bool GMQCC_WARN ir_block_create_store_op(ir_block*, lex_ctx_t, int op, ir_value *target, ir_value *what);
bool GMQCC_WARN ir_block_create_storep(ir_block*, lex_ctx_t, ir_value *target, ir_value *what);
-ir_value* ir_block_create_load_from_ent(ir_block*, lex_ctx_t, const char *label, ir_value *ent, ir_value *field, int outype);
+ir_value* ir_block_create_load_from_ent(ir_block*, lex_ctx_t, const char *label, ir_value *ent, ir_value *field, qc_type outype);
ir_value* ir_block_create_fieldaddress(ir_block*, lex_ctx_t, const char *label, ir_value *entity, ir_value *field);
bool GMQCC_WARN ir_block_create_state_op(ir_block*, lex_ctx_t, ir_value *frame, ir_value *think);
/* This is to create an instruction of the form
* <outtype>%label := opcode a, b
*/
-ir_instr* ir_block_create_phi(ir_block*, lex_ctx_t, const char *label, int vtype);
+ir_instr* ir_block_create_phi(ir_block*, lex_ctx_t, const char *label, qc_type vtype);
ir_value* ir_phi_value(ir_instr*);
void ir_phi_add(ir_instr*, ir_block *b, ir_value *v);
ir_instr* ir_block_create_call(ir_block*, lex_ctx_t, const char *label, ir_value *func, bool noreturn);
bool GMQCC_WARN ir_block_create_goto(ir_block*, lex_ctx_t, ir_block *to);
/* function */
-struct ir_function_s {
- char *name;
- int outtype;
- int *params;
- ir_block **blocks;
- ir_flag_t flags;
- int builtin;
+struct ir_function {
+ ir_function(ir_builder *owner, qc_type returntype);
+ ~ir_function();
+
+ ir_builder *m_owner;
+
+ std::string m_name;
+ qc_type m_outtype;
+ int *m_params = nullptr;
+ ir_flag_t m_flags = 0;
+ int m_builtin = 0;
+
+ std::vector<std::unique_ptr<ir_block>> m_blocks;
/*
* values generated from operations
* which might get optimized away, so anything
* in there needs to be deleted in the dtor.
*/
- ir_value **values;
- ir_value **locals; /* locally defined variables */
- ir_value *value;
+ std::vector<std::unique_ptr<ir_value>> m_values;
+ std::vector<std::unique_ptr<ir_value>> m_locals; /* locally defined variables */
+ ir_value *m_value = nullptr;
- size_t allocated_locals;
- size_t globaltemps;
+ size_t m_allocated_locals = 0;
+ size_t m_globaltemps = 0;
- ir_block* first;
- ir_block* last;
+ ir_block* m_first = nullptr;
+ ir_block* m_last = nullptr;
- lex_ctx_t context;
+ lex_ctx_t m_context;
/*
* for prototypes - first we generate all the
*
* remember the ID:
*/
- qcint_t code_function_def;
+ qcint_t m_code_function_def = -1;
/* for temp allocation */
- size_t run_id;
-
- ir_builder *owner;
+ size_t m_run_id = 0;
/* vararg support: */
- size_t max_varargs;
+ size_t m_max_varargs = 0;
};
-ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype, bool param);
+ir_value* ir_function_create_local(ir_function *self, const std::string& name, qc_type vtype, bool param);
bool GMQCC_WARN ir_function_finalize(ir_function*);
ir_block* ir_function_create_block(lex_ctx_t ctx, ir_function*, const char *label);
#define IR_HT_SIZE 1024
#define IR_MAX_VINSTR_TEMPS 1
-struct ir_builder_s {
- char *name;
- ir_function **functions;
- ir_value **globals;
- ir_value **fields;
-
- ht htfunctions;
- ht htglobals;
- ht htfields;
-
- ir_value **extparams;
- ir_value **extparam_protos;
-
- /* the highest func->allocated_locals */
- size_t max_locals;
- size_t max_globaltemps;
- uint32_t first_common_local;
- uint32_t first_common_globaltemp;
-
- const char **filenames;
- qcint_t *filestrings;
- /* we cache the #IMMEDIATE string here */
- qcint_t str_immediate;
- /* there should just be this one nil */
- ir_value *nil;
- ir_value *reserved_va_count;
- ir_value *coverage_func;
+struct ir_builder {
+ ir_builder(const std::string& modulename);
+ ~ir_builder();
+
+ ir_function *createFunction(const std::string &name, qc_type outtype);
+ ir_value *createGlobal(const std::string &name, qc_type vtype);
+ ir_value *createField(const std::string &name, qc_type vtype);
+ ir_value *get_va_count();
+ bool generate(const char *filename);
+ void dump(int (*oprintf)(const char*, ...)) const;
+
+ ir_value *generateExtparamProto();
+ void generateExtparam();
+
+ ir_value *literalFloat(float value, bool add_to_list);
+
+ std::string m_name;
+ std::vector<std::unique_ptr<ir_function>> m_functions;
+ std::vector<std::unique_ptr<ir_value>> m_globals;
+ std::vector<std::unique_ptr<ir_value>> m_fields;
+ // for reusing them in vector-splits, TODO: sort this or use a radix-tree
+ std::vector<ir_value*> m_const_floats;
+
+ ht m_htfunctions;
+ ht m_htglobals;
+ ht m_htfields;
+
+ // extparams' ir_values reference the ones from extparam_protos
+ std::vector<std::unique_ptr<ir_value>> m_extparam_protos;
+ std::vector<ir_value*> m_extparams;
+
+ // the highest func->allocated_locals
+ size_t m_max_locals = 0;
+ size_t m_max_globaltemps = 0;
+ uint32_t m_first_common_local = 0;
+ uint32_t m_first_common_globaltemp = 0;
+
+ std::vector<const char*> m_filenames;
+ std::vector<qcint_t> m_filestrings;
+
+ // we cache the #IMMEDIATE string here
+ qcint_t m_str_immediate = 0;
+
+ // there should just be this one nil
+ ir_value *m_nil;
+ ir_value *m_reserved_va_count = nullptr;
+ ir_value *m_coverage_func = nullptr;
+
/* some virtual instructions require temps, and their code is isolated
* so that we don't need to keep track of their liveness.
*/
- ir_value *vinstr_temp[IR_MAX_VINSTR_TEMPS];
+ ir_value *m_vinstr_temp[IR_MAX_VINSTR_TEMPS];
/* code generator */
- code_t *code;
+ std::unique_ptr<code_t> m_code;
+
+private:
+ qcint_t filestring(const char *filename);
+ bool generateGlobal(ir_value*, bool is_local);
+ bool generateGlobalFunction(ir_value*);
+ bool generateGlobalFunctionCode(ir_value*);
+ bool generateFunctionLocals(ir_value*);
};
-ir_builder* ir_builder_new(const char *modulename);
-void ir_builder_delete(ir_builder*);
-ir_function* ir_builder_create_function(ir_builder*, const char *name, int outtype);
-ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype);
-ir_value* ir_builder_create_field(ir_builder*, const char *name, int vtype);
-ir_value* ir_builder_get_va_count(ir_builder*);
-bool ir_builder_generate(ir_builder *self, const char *filename);
-void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...));
-
/*
* This code assumes 32 bit floats while generating binary
* Blub: don't use extern here, it's annoying and shows up in nm
projects / xonotic / gmqcc.git / blobdiff