X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=ir.h;h=9b5171d26908dd6423ef07859d5cc830d7b746c6;hp=02ca79b5cbfd1148ca48acbef1a3b626bc99c38b;hb=091173341eace2d290f6c0ebc4159c3afca7fbaa;hpb=727698e9f757d3c00c863e592587b56c2f7c0416 diff --git a/ir.h b/ir.h index 02ca79b..9b5171d 100644 --- a/ir.h +++ b/ir.h @@ -1,164 +1,220 @@ -#ifndef QCIR_H__ -#define QCIR_H__ - -#include "astir.h" +/* + * Copyright (C) 2012 + * 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 /* ir_value */ typedef struct { - /* both inclusive */ - size_t start; - size_t end; + /* both inclusive */ + size_t start; + size_t end; } ir_life_entry_t; struct ir_function_s; typedef struct ir_value_s { - const char *_name; - ir_type_t vtype; - ir_store_t store; - filecontext_t context; - - /* - size_t read_use; - size_t write_use; - */ - MAKE_VEC(struct ir_instr_s*, reads); - MAKE_VEC(struct ir_instr_s*, writes); - - /* constantvalues */ - union { - float vfloat; - int vint; - qc_vec_t vvec; - struct ir_value_s *vpointer; - const char *vstring; - } cvalue; - ir_bool has_constval; - - /* For the temp allocator */ - MAKE_VEC(ir_life_entry_t, life); + char *name; + int vtype; + int store; + lex_ctx context; + /* even the IR knows the subtype of a field */ + int fieldtype; + /* and the output type of a function */ + int outtype; + + struct ir_instr_s **reads; + struct ir_instr_s **writes; + + /* constantvalues */ + bool isconst; + union { + float vfloat; + int vint; + vector vvec; + int32_t ivec[3]; + char *vstring; + struct ir_value_s *vpointer; + struct ir_function_s *vfunc; + } constval; + + struct { + int32_t globaladdr; + int32_t name; + /* filled by the local-allocator */ + int32_t local; + /* added for members */ + int32_t addroffset; + } code; + + /* for acessing vectors */ + struct ir_value_s *members[3]; + struct ir_value_s *memberof; + + /* For the temp allocator */ + ir_life_entry_t *life; } ir_value; +int32_t ir_value_code_addr(const ir_value*); + /* ir_value can be a variable, or created by an operation */ -ir_value* ir_value_var(const char *name, ir_store_t st, ir_type_t vtype); +ir_value* ir_value_var(const char *name, int st, int vtype); /* if a result of an operation: the function should store * it to remember to delete it / garbage collect it */ -ir_value* ir_value_out(struct ir_function_s *owner, const char *name, ir_store_t st, ir_type_t vtype); +ir_value* ir_value_out(struct ir_function_s *owner, const char *name, int st, int vtype); void ir_value_delete(ir_value*); -void ir_value_set_name(ir_value*, const char *name); +bool ir_value_set_name(ir_value*, const char *name); +ir_value* ir_value_vector_member(ir_value*, unsigned int member); -void ir_value_reads_add(ir_value*, struct ir_instr_s*); -void ir_value_writes_add(ir_value*, struct ir_instr_s*); +bool GMQCC_WARN vec_ir_value_find(ir_value **vec, ir_value *what, size_t *idx); -ir_bool ir_value_set_float(ir_value*, float f); -ir_bool ir_value_set_int(ir_value*, int i); -ir_bool ir_value_set_string(ir_value*, const char *s); -ir_bool ir_value_set_vector(ir_value*, qc_vec_t v); -/*ir_bool ir_value_set_pointer_v(ir_value*, ir_value* p); */ -/*ir_bool ir_value_set_pointer_i(ir_value*, int i); */ +bool GMQCC_WARN ir_value_set_float(ir_value*, float f); +bool GMQCC_WARN ir_value_set_func(ir_value*, int f); +#if 0 +bool GMQCC_WARN ir_value_set_int(ir_value*, int i); +#endif +bool GMQCC_WARN ir_value_set_string(ir_value*, const char *s); +bool GMQCC_WARN ir_value_set_vector(ir_value*, vector v); +bool GMQCC_WARN ir_value_set_field(ir_value*, ir_value *fld); +/*bool ir_value_set_pointer_v(ir_value*, ir_value* p); */ +/*bool ir_value_set_pointer_i(ir_value*, int i); */ -void ir_value_life_add(ir_value*, ir_life_entry_t e); /* merge an instruction into the life-range */ /* returns false if the lifepoint was already known */ -ir_bool ir_value_life_merge(ir_value*, size_t); +bool ir_value_life_merge(ir_value*, size_t); +bool ir_value_life_merge_into(ir_value*, const ir_value*); /* check if a value lives at a specific point */ -ir_bool ir_value_lives(ir_value*, size_t); +bool ir_value_lives(ir_value*, size_t); +/* check if the life-range of 2 values overlaps */ +bool ir_values_overlap(const ir_value*, const ir_value*); void ir_value_dump(ir_value*, int (*oprintf)(const char*,...)); -void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...)); +void ir_value_dump_life(const ir_value *self, int (*oprintf)(const char*,...)); +/* PHI data */ typedef struct ir_phi_entry_s { - ir_value *value; - struct ir_block_s *from; + ir_value *value; + struct ir_block_s *from; } ir_phi_entry_t; /* instruction */ typedef struct ir_instr_s { - ir_op_t opcode; - filecontext_t context; - ir_value* (_ops[3]); - struct ir_block_s* (bops[2]); + int opcode; + lex_ctx context; + ir_value* (_ops[3]); + struct ir_block_s* (bops[2]); - MAKE_VEC(ir_phi_entry_t, phi); + ir_phi_entry_t *phi; + ir_value **params; - /* For the temp-allocation */ - size_t eid; + /* For the temp-allocation */ + size_t eid; - struct ir_block_s *owner; + struct ir_block_s *owner; } ir_instr; -ir_instr* ir_instr_new(struct ir_block_s *owner, ir_op_t opcode); +ir_instr* ir_instr_new(struct ir_block_s *owner, int opcode); void ir_instr_delete(ir_instr*); -void ir_instr_phi_add(ir_instr*, ir_phi_entry_t e); -void ir_instr_op(ir_instr*, int op, ir_value *value, ir_bool writing); +bool GMQCC_WARN vec_ir_instr_find(ir_instr **vec, ir_instr *what, size_t *idx); + +bool GMQCC_WARN ir_instr_op(ir_instr*, int op, ir_value *value, bool writing); void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...)); /* block */ typedef struct ir_block_s { - const char *_label; - filecontext_t context; - ir_bool final; /* once a jump is added we're done */ + char *label; + lex_ctx context; + bool final; /* once a jump is added we're done */ + + ir_instr **instr; + struct ir_block_s **entries; + struct ir_block_s **exits; + ir_value **living; - MAKE_VEC(ir_instr*, instr); - MAKE_VEC(struct ir_block_s*, entries); - MAKE_VEC(struct ir_block_s*, exits); - MAKE_VEC(ir_value*, living); + /* For the temp-allocation */ + size_t eid; + bool is_return; + size_t run_id; - /* For the temp-allocation */ - size_t eid; - ir_bool is_return; - size_t run_id; + struct ir_function_s *owner; - struct ir_function_s *owner; + bool generated; + size_t code_start; } ir_block; ir_block* ir_block_new(struct ir_function_s *owner, const char *label); void ir_block_delete(ir_block*); -void ir_block_set_label(ir_block*, const char *label); - -void ir_block_instr_add(ir_block*, ir_instr *instr); -void ir_block_instr_remove(ir_block*, size_t idx); -void ir_block_exits_add(ir_block*, ir_block *b); -void ir_block_entries_add(ir_block*, ir_block *b); -ir_bool ir_block_entries_find(ir_block*, ir_block *b, size_t *idx); +bool ir_block_set_label(ir_block*, const char *label); -ir_value* ir_block_create_binop(ir_block*, const char *label, ir_op_t op, +ir_value* ir_block_create_binop(ir_block*, const char *label, int op, ir_value *left, ir_value *right); -ir_bool ir_block_create_store_op(ir_block*, ir_op_t op, ir_value *target, ir_value *what); -ir_bool ir_block_create_store(ir_block*, ir_value *target, ir_value *what); +ir_value* ir_block_create_unary(ir_block*, const char *label, int op, + ir_value *operand); +bool GMQCC_WARN ir_block_create_store_op(ir_block*, int op, ir_value *target, ir_value *what); +bool GMQCC_WARN ir_block_create_store(ir_block*, ir_value *target, ir_value *what); +bool GMQCC_WARN ir_block_create_storep(ir_block*, ir_value *target, ir_value *what); + +/* field must be of TYPE_FIELD */ +ir_value* ir_block_create_load_from_ent(ir_block*, const char *label, ir_value *ent, ir_value *field, int outype); + +ir_value* ir_block_create_fieldaddress(ir_block*, const char *label, ir_value *entity, ir_value *field); + +/* This is to create an instruction of the form + * %label := opcode a, b + */ +ir_value* ir_block_create_general_instr(ir_block *self, const char *label, + int op, ir_value *a, ir_value *b, int outype); ir_value* ir_block_create_add(ir_block*, const char *label, ir_value *l, ir_value *r); ir_value* ir_block_create_sub(ir_block*, const char *label, ir_value *l, ir_value *r); ir_value* ir_block_create_mul(ir_block*, const char *label, ir_value *l, ir_value *r); ir_value* ir_block_create_div(ir_block*, const char *label, ir_value *l, ir_value *r); -ir_instr* ir_block_create_phi(ir_block*, const char *label, ir_type_t vtype); +ir_instr* ir_block_create_phi(ir_block*, const char *label, int vtype); ir_value* ir_phi_value(ir_instr*); -void ir_phi_add(ir_instr*, ir_block *b, ir_value *v); +void ir_phi_add(ir_instr*, ir_block *b, ir_value *v); +ir_instr* ir_block_create_call(ir_block*, const char *label, ir_value *func); +ir_value* ir_call_value(ir_instr*); +void ir_call_param(ir_instr*, ir_value*); -void ir_block_create_return(ir_block*, ir_value *opt_value); +bool GMQCC_WARN ir_block_create_return(ir_block*, ir_value *opt_value); -void ir_block_create_if(ir_block*, ir_value *cond, - ir_block *ontrue, ir_block *onfalse); +bool GMQCC_WARN ir_block_create_if(ir_block*, ir_value *cond, + ir_block *ontrue, ir_block *onfalse); /* A 'goto' is an actual 'goto' coded in QC, whereas * a 'jump' is a virtual construct which simply names the * next block to go to. * A goto usually becomes an OP_GOTO in the resulting code, * whereas a 'jump' usually doesn't add any actual instruction. */ -void ir_block_create_jump(ir_block*, ir_block *to); -void ir_block_create_goto(ir_block*, ir_block *to); - -void ir_block_living_add(ir_block*, ir_value*); -void ir_block_living_remove(ir_block*, size_t idx); -ir_bool ir_block_living_find(ir_block*, ir_value*, size_t *idx); +bool GMQCC_WARN ir_block_create_jump(ir_block*, ir_block *to); +bool GMQCC_WARN ir_block_create_goto(ir_block*, ir_block *to); void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...)); @@ -166,48 +222,60 @@ void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...)); typedef struct ir_function_s { - const char *_name; - ir_type_t retype; - MAKE_VEC(ir_type_t, params); - MAKE_VEC(ir_block*, blocks); + char *name; + int outtype; + int *params; + ir_block **blocks; + + int builtin; + + ir_value *value; - /* values generated from operations - * which might get optimized away, so anything - * in there needs to be deleted in the dtor. - */ - MAKE_VEC(ir_value*, values); + /* values generated from operations + * which might get optimized away, so anything + * in there needs to be deleted in the dtor. + */ + ir_value **values; - /* locally defined variables */ - MAKE_VEC(ir_value*, locals); + /* locally defined variables */ + ir_value **locals; - ir_block* first; - ir_block* last; + size_t allocated_locals; - filecontext_t context; + ir_block* first; + ir_block* last; - /* for temp allocation */ - size_t run_id; + lex_ctx context; - struct ir_builder_s *owner; + /* for prototypes - first we generate all the + * globals, and we remember teh function-defs + * so we can later fill in the entry pos + * + * remember the ID: + */ + qcint code_function_def; + + /* for temp allocation */ + size_t run_id; + + struct ir_builder_s *owner; } ir_function; -ir_function* ir_function_new(struct ir_builder_s *owner); +ir_function* ir_function_new(struct ir_builder_s *owner, int returntype); void ir_function_delete(ir_function*); void ir_function_collect_value(ir_function*, ir_value *value); -void ir_function_set_name(ir_function*, const char *name); -void ir_function_params_add(ir_function*, ir_type_t p); -void ir_function_blocks_add(ir_function*, ir_block *b); +bool ir_function_set_name(ir_function*, const char *name); ir_value* ir_function_get_local(ir_function *self, const char *name); -ir_value* ir_function_create_local(ir_function *self, const char *name, ir_type_t vtype); +ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype, bool param); -void ir_function_finalize(ir_function*); +bool GMQCC_WARN ir_function_finalize(ir_function*); /* -void ir_function_naive_phi(ir_function*); -void ir_function_enumerate(ir_function*); -void ir_function_calculate_liferanges(ir_function*); +bool ir_function_naive_phi(ir_function*); +bool ir_function_enumerate(ir_function*); +bool ir_function_calculate_liferanges(ir_function*); */ ir_block* ir_function_create_block(ir_function*, const char *label); @@ -217,25 +285,36 @@ void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...)); /* builder */ typedef struct ir_builder_s { - const char *_name; - MAKE_VEC(ir_function*, functions); - MAKE_VEC(ir_value*, globals); + char *name; + ir_function **functions; + ir_value **globals; + ir_value **fields; + + const char **filenames; + qcint *filestrings; + /* we cache the #IMMEDIATE string here */ + qcint str_immediate; } ir_builder; ir_builder* ir_builder_new(const char *modulename); void ir_builder_delete(ir_builder*); -void ir_builder_set_name(ir_builder *self, const char *name); - -void ir_builder_functions_add(ir_builder* b, ir_function* f); -void ir_builder_globals_add(ir_builder* b, ir_value* f); +bool ir_builder_set_name(ir_builder *self, const char *name); ir_function* ir_builder_get_function(ir_builder*, const char *fun); -ir_function* ir_builder_create_function(ir_builder*, const char *name); +ir_function* ir_builder_create_function(ir_builder*, const char *name, int outtype); ir_value* ir_builder_get_global(ir_builder*, const char *fun); -ir_value* ir_builder_create_global(ir_builder*, const char *name, ir_type_t vtype); +ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype); +ir_value* ir_builder_get_field(ir_builder*, const char *fun); +ir_value* ir_builder_create_field(ir_builder*, const char *name, int vtype); + +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 */ +extern int check_int_and_float_size +[ (sizeof(int32_t) == sizeof(qcfloat)) ? 1 : -1 ]; + #endif