X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=ir.h;h=42f6ce578ea958bd5e4cf409da8561eef2fc91b5;hp=7f4106ee902eff29a63a17b71b93d254778f3d23;hb=0904a1ceb7bc4da1adde4604e4c1e207adc48851;hpb=aabefd1bfe0c5b08bea9341c1394cfa8b96d754d diff --git a/ir.h b/ir.h index 7f4106e..42f6ce5 100644 --- a/ir.h +++ b/ir.h @@ -14,11 +14,11 @@ 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, @@ -27,8 +27,8 @@ enum { 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_NOREF = 1 << 6, + IR_FLAG_SPLIT_VECTOR = 1 << 7, IR_FLAG_LAST, IR_FLAG_MASK_NO_OVERLAP = (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED), @@ -36,66 +36,78 @@ enum { }; struct ir_value { - char *name; - int vtype; - int store; - lex_ctx_t context; + 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; - 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; + bool insertLife(size_t idx, ir_life_entry_t); + bool setAlive(size_t position); + bool mergeLife(const ir_value *other); - ir_instr **reads; - ir_instr **writes; + std::string m_name; - /* constantvalues */ - bool hasvalue; + 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; + + std::vector m_reads; + std::vector m_writes; + + // 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 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 */ struct ir_phi_entry_t { @@ -105,57 +117,63 @@ struct ir_phi_entry_t { /* instruction */ struct ir_instr { - int opcode; - lex_ctx_t context; - ir_value *(_ops[3]); - ir_block *(bops[2]); + 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 m_phi; + std::vector 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 { - char *label; - lex_ctx_t context; - bool final; /* once a jump is added we're done */ + 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 */ + + std::vector m_instr; + std::vector m_entries; + std::vector m_exits; + std::vector m_living; - ir_function *owner; + /* For the temp-allocation */ + size_t m_entry_id = 0; + size_t m_eid = 0; + bool m_is_return = false; - bool generated; - size_t code_start; + 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 * %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); @@ -178,29 +196,35 @@ bool GMQCC_WARN ir_block_create_goto(ir_block*, lex_ctx_t, ir_block *to); /* function */ struct ir_function { - char *name; - int outtype; - int *params; - ir_block **blocks; - ir_flag_t flags; - int builtin; + ir_function(ir_builder *owner, qc_type returntype); + ~ir_function(); + + ir_builder *m_owner; + + std::string m_name; + qc_type m_outtype; + std::vector m_params; + ir_flag_t m_flags = 0; + int m_builtin = 0; + + std::vector> 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> m_values; + std::vector> 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 @@ -209,19 +233,17 @@ struct ir_function { * * 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); @@ -230,51 +252,69 @@ ir_block* ir_function_create_block(lex_ctx_t ctx, ir_function*, const char #define IR_MAX_VINSTR_TEMPS 1 struct ir_builder { - char *name; - ir_function **functions; - ir_value **globals; - ir_value **fields; - ir_value **const_floats; /* for reusing them in vector-splits, TODO: sort this or use a radix-tree */ - - 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; + 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> m_functions; + std::vector> m_globals; + std::vector> m_fields; + // for reusing them in vector-splits, TODO: sort this or use a radix-tree + std::vector m_const_floats; + + ht m_htfunctions; + ht m_htglobals; + ht m_htfields; + + // extparams' ir_values reference the ones from extparam_protos + std::vector> m_extparam_protos; + std::vector 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 m_filenames; + std::vector 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 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