X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=ir.h;h=c81d1a24032454972fcfddbb5965992547cb6f4c;hp=1820317a52ba408f5ffb5ab93be0e470908eda41;hb=f971f89e1e239a74fd34f9f5369993b25d5432ed;hpb=566e7615466c776fc296b67894621a85691cd42b diff --git a/ir.h b/ir.h index 1820317..c81d1a2 100644 --- a/ir.h +++ b/ir.h @@ -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), @@ -37,26 +37,45 @@ enum { 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(); - void* operator new(std::size_t); // to use mem_a - void operator delete(void*); // to use mem_d + 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; - std::string name; + bool insertLife(size_t idx, ir_life_entry_t); + bool setAlive(size_t position); + bool mergeLife(const ir_value *other); - qc_type vtype; - store_type store; - lex_ctx_t context; - qc_type fieldtype; // even the IR knows the subtype of a field - qc_type outtype; // and the output type of a function - int cvq; // 'const' vs 'var' qualifier - ir_flag_t flags; + std::string m_name; - std::vector reads; - std::vector writes; + 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 hasvalue; + bool m_hasvalue; union { qcfloat_t vfloat; int vint; @@ -65,7 +84,7 @@ struct ir_value { char *vstring; ir_value *vpointer; ir_function *vfunc; - } constval; + } m_constval; struct { int32_t globaladdr; @@ -73,32 +92,22 @@ struct ir_value { int32_t local; // filled by the local-allocator int32_t addroffset; // added for members int32_t fieldaddr; // to generate field-addresses early - } code; + } m_code; // for accessing vectors - ir_value *members[3]; - ir_value *memberof; + ir_value *m_members[3]; + ir_value *m_memberof; - bool unique_life; // arrays will never overlap with temps - bool locked; // temps living during a CALL must be locked - bool callparam; + bool m_unique_life; // arrays will never overlap with temps + bool m_locked; // temps living during a CALL must be locked + bool m_callparam; - std::vector life; // For the temp allocator -}; + std::vector m_life; // For the temp allocator -/* - * 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 - */ -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*,...)); + size_t size() const; + + void dump(int (*oprintf)(const char*, ...)) const; +}; /* PHI data */ struct ir_phi_entry_t { @@ -108,55 +117,49 @@ struct ir_phi_entry_t { /* instruction */ struct ir_instr { - void* operator new(std::size_t); - void operator delete(void*); - ir_instr(lex_ctx_t, ir_block *owner, int opcode); ~ir_instr(); - int opcode; - lex_ctx_t context; - ir_value *(_ops[3]) = { nullptr, nullptr, nullptr }; - ir_block *(bops[2]) = { nullptr, nullptr }; + int m_opcode; + lex_ctx_t m_context; + ir_value *(_m_ops[3]) = { nullptr, nullptr, nullptr }; + ir_block *(m_bops[2]) = { nullptr, nullptr }; - std::vector phi; - std::vector params; + std::vector m_phi; + std::vector m_params; // For the temp-allocation - size_t eid = 0; + size_t m_eid = 0; // For IFs - bool likely = true; + bool m_likely = true; - ir_block *owner; + ir_block *m_owner; }; /* block */ struct ir_block { - void* operator new(std::size_t); - void operator delete(void*); - ir_block(ir_function *owner, const std::string& name); ~ir_block(); - ir_function *owner; - std::string label; + ir_function *m_owner; + std::string m_label; - lex_ctx_t context; - bool final = false; /* once a jump is added we're done */ + lex_ctx_t m_context; + bool m_final = false; /* once a jump is added we're done */ - ir_instr **instr = nullptr; - ir_block **entries = nullptr; - ir_block **exits = nullptr; - std::vector living; + std::vector m_instr; + std::vector m_entries; + std::vector m_exits; + std::vector m_living; /* For the temp-allocation */ - size_t entry_id = 0; - size_t eid = 0; - bool is_return = false; + size_t m_entry_id = 0; + size_t m_eid = 0; + bool m_is_return = false; - bool generated = false; - size_t code_start = 0; + 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); @@ -193,38 +196,35 @@ bool GMQCC_WARN ir_block_create_goto(ir_block*, lex_ctx_t, ir_block *to); /* function */ struct ir_function { - void* operator new(std::size_t); - void operator delete(void*); - ir_function(ir_builder *owner, qc_type returntype); ~ir_function(); - ir_builder *owner; + ir_builder *m_owner; - std::string name; - qc_type outtype; - int *params = nullptr; - ir_flag_t flags = 0; - int builtin = 0; + std::string m_name; + qc_type m_outtype; + std::vector m_params; + ir_flag_t m_flags = 0; + int m_builtin = 0; - std::vector> blocks; + std::vector> m_blocks; /* * values generated from operations * which might get optimized away, so anything * in there needs to be deleted in the dtor. */ - std::vector> values; - std::vector> locals; /* locally defined variables */ - ir_value *value = nullptr; + std::vector> m_values; + std::vector> m_locals; /* locally defined variables */ + ir_value *m_value = nullptr; - size_t allocated_locals = 0; - size_t globaltemps = 0; + size_t m_allocated_locals = 0; + size_t m_globaltemps = 0; - ir_block* first = nullptr; - ir_block* last = nullptr; + 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 @@ -233,13 +233,13 @@ struct ir_function { * * remember the ID: */ - qcint_t code_function_def = -1; + qcint_t m_code_function_def = -1; /* for temp allocation */ - size_t run_id = 0; + size_t m_run_id = 0; /* vararg support: */ - size_t max_varargs = 0; + size_t m_max_varargs = 0; }; @@ -249,62 +249,72 @@ ir_block* ir_function_create_block(lex_ctx_t ctx, ir_function*, const char /* builder */ #define IR_HT_SIZE 1024 -#define IR_MAX_VINSTR_TEMPS 1 +#define IR_MAX_VINSTR_TEMPS 2 struct ir_builder { - void* operator new(std::size_t); - void operator delete(void*); ir_builder(const std::string& modulename); ~ir_builder(); - std::string name; - std::vector> functions; - std::vector> globals; - std::vector> fields; + 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 const_floats; + std::vector m_const_floats; - ht htfunctions; - ht htglobals; - ht htfields; + ht m_htfunctions; + ht m_htglobals; + ht m_htfields; // extparams' ir_values reference the ones from extparam_protos - std::vector> extparam_protos; - std::vector extparams; + std::vector> m_extparam_protos; + std::vector m_extparams; // the highest func->allocated_locals - size_t max_locals = 0; - size_t max_globaltemps = 0; - uint32_t first_common_local = 0; - uint32_t first_common_globaltemp = 0; + 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 filenames; - std::vector filestrings; + std::vector m_filenames; + std::vector m_filestrings; // we cache the #IMMEDIATE string here - qcint_t str_immediate = 0; + qcint_t m_str_immediate = 0; // there should just be this one nil - ir_value *nil; - ir_value *reserved_va_count = nullptr; - ir_value *coverage_func = nullptr; + 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 */ - std::unique_ptr 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_function* ir_builder_create_function(ir_builder*, const std::string& name, qc_type outtype); -ir_value* ir_builder_create_global(ir_builder*, const std::string& name, qc_type vtype); -ir_value* ir_builder_create_field(ir_builder*, const std::string& name, qc_type 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