X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=ir.h;h=dac16a39b4d492f22bbd5f59c3738d6cf243b1a4;hp=bb26cff2ae2f8c0ed31ae2bc258dd896532860ce;hb=69b55ccc03b56af1f6c05eb45866ab198307487f;hpb=b1425dfcf1afa18b81168ed57a4b790ddc0605b5 diff --git a/ir.h b/ir.h index bb26cff..dac16a3 100644 --- a/ir.h +++ b/ir.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2012 + * Copyright (C) 2012, 2013 * Wolfgang Bumiller * * Permission is hereby granted, free of charge, to any person obtaining a copy of @@ -22,7 +22,7 @@ */ #ifndef GMQCC_IR_HDR #define GMQCC_IR_HDR - +#include "gmqcc.h" /* ir_value */ typedef struct @@ -42,12 +42,15 @@ typedef struct ir_value_s { int fieldtype; /* and the output type of a function */ int outtype; + /* 'const' vs 'var' qualifier */ + int cvq; + uint32_t flags; struct ir_instr_s **reads; struct ir_instr_s **writes; /* constantvalues */ - bool isconst; + bool hasvalue; union { float vfloat; int vint; @@ -65,12 +68,20 @@ typedef struct ir_value_s { int32_t local; /* added for members */ int32_t addroffset; + /* to generate field-addresses early */ + int32_t fieldaddr; } code; /* for acessing vectors */ struct ir_value_s *members[3]; struct ir_value_s *memberof; + /* arrays will never overlap with temps */ + bool unique_life; + /* temps living during a CALL must be locked */ + bool locked; + bool callparam; + /* For the temp allocator */ ir_life_entry_t *life; } ir_value; @@ -87,7 +98,7 @@ void ir_value_delete(ir_value*); bool ir_value_set_name(ir_value*, const char *name); ir_value* ir_value_vector_member(ir_value*, unsigned int member); -bool GMQCC_WARN vec_ir_value_find(ir_value **vec, ir_value *what, size_t *idx); +bool GMQCC_WARN vec_ir_value_find(ir_value **vec, const ir_value *what, size_t *idx); bool GMQCC_WARN ir_value_set_float(ir_value*, float f); bool GMQCC_WARN ir_value_set_func(ir_value*, int f); @@ -139,12 +150,12 @@ typedef struct ir_instr_s struct ir_block_s *owner; } ir_instr; -ir_instr* ir_instr_new(struct ir_block_s *owner, int opcode); +ir_instr* ir_instr_new(lex_ctx ctx, struct ir_block_s *owner, int opcode); void ir_instr_delete(ir_instr*); 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); +bool 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*,...)); @@ -161,9 +172,9 @@ typedef struct ir_block_s ir_value **living; /* For the temp-allocation */ + size_t entry_id; size_t eid; bool is_return; - size_t run_id; struct ir_function_s *owner; @@ -176,39 +187,35 @@ void ir_block_delete(ir_block*); bool ir_block_set_label(ir_block*, const char *label); -ir_value* ir_block_create_binop(ir_block*, const char *label, int op, +ir_value* ir_block_create_binop(ir_block*, lex_ctx, const char *label, int op, ir_value *left, ir_value *right); -ir_value* ir_block_create_unary(ir_block*, const char *label, int op, +ir_value* ir_block_create_unary(ir_block*, lex_ctx, 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); +bool GMQCC_WARN ir_block_create_store_op(ir_block*, lex_ctx, int op, ir_value *target, ir_value *what); +bool GMQCC_WARN ir_block_create_store(ir_block*, lex_ctx, ir_value *target, ir_value *what); +bool GMQCC_WARN ir_block_create_storep(ir_block*, lex_ctx, 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_load_from_ent(ir_block*, lex_ctx, 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); +ir_value* ir_block_create_fieldaddress(ir_block*, lex_ctx, 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, +ir_value* ir_block_create_general_instr(ir_block *self, lex_ctx, 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, int vtype); +ir_instr* ir_block_create_phi(ir_block*, lex_ctx, const char *label, int 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*, const char *label, ir_value *func); +ir_instr* ir_block_create_call(ir_block*, lex_ctx, const char *label, ir_value *func, bool noreturn); ir_value* ir_call_value(ir_instr*); void ir_call_param(ir_instr*, ir_value*); -bool GMQCC_WARN ir_block_create_return(ir_block*, ir_value *opt_value); +bool GMQCC_WARN ir_block_create_return(ir_block*, lex_ctx, ir_value *opt_value); -bool GMQCC_WARN ir_block_create_if(ir_block*, ir_value *cond, +bool GMQCC_WARN ir_block_create_if(ir_block*, lex_ctx, 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 @@ -216,8 +223,8 @@ bool GMQCC_WARN ir_block_create_if(ir_block*, ir_value *cond, * A goto usually becomes an OP_GOTO in the resulting code, * whereas a 'jump' usually doesn't add any actual instruction. */ -bool GMQCC_WARN ir_block_create_jump(ir_block*, ir_block *to); -bool GMQCC_WARN ir_block_create_goto(ir_block*, ir_block *to); +bool GMQCC_WARN ir_block_create_jump(ir_block*, lex_ctx, ir_block *to); +bool GMQCC_WARN ir_block_create_goto(ir_block*, lex_ctx, ir_block *to); void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...)); @@ -230,6 +237,8 @@ typedef struct ir_function_s int *params; ir_block **blocks; + uint32_t flags; + int builtin; ir_value *value; @@ -244,6 +253,7 @@ typedef struct ir_function_s ir_value **locals; size_t allocated_locals; + size_t globaltemps; ir_block* first; ir_block* last; @@ -262,7 +272,16 @@ typedef struct ir_function_s size_t run_id; struct ir_builder_s *owner; + + /* vararg support: */ + size_t max_varargs; } ir_function; +#define IR_FLAG_HAS_ARRAYS (1<<1) +#define IR_FLAG_HAS_UNINITIALIZED (1<<2) +#define IR_FLAG_HAS_GOTO (1<<3) +#define IR_FLAG_INCLUDE_DEF (1<<4) +#define IR_FLAG_MASK_NO_OVERLAP (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED) +#define IR_FLAG_MASK_NO_LOCAL_TEMPS (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED) ir_function* ir_function_new(struct ir_builder_s *owner, int returntype); void ir_function_delete(ir_function*); @@ -271,7 +290,6 @@ void ir_function_collect_value(ir_function*, ir_value *value); 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, int vtype, bool param); bool GMQCC_WARN ir_function_finalize(ir_function*); @@ -281,11 +299,12 @@ bool ir_function_enumerate(ir_function*); bool ir_function_calculate_liferanges(ir_function*); */ -ir_block* ir_function_create_block(ir_function*, const char *label); +ir_block* ir_function_create_block(lex_ctx ctx, ir_function*, const char *label); void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...)); /* builder */ +#define IR_HT_SIZE 1024 typedef struct ir_builder_s { char *name; @@ -293,12 +312,26 @@ typedef struct ir_builder_s 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 *filestrings; /* we cache the #IMMEDIATE string here */ - qcint str_immediate; + qcint str_immediate; + /* there should just be this one nil */ + ir_value *nil; + ir_value *reserved_va_count; } ir_builder; ir_builder* ir_builder_new(const char *modulename); @@ -314,12 +347,19 @@ 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); +ir_value* ir_builder_get_va_count(ir_builder*); + +bool ir_builder_generate(code_t *, 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 ]; + +/* + * This code assumes 32 bit floats while generating binary + * Blub: don't use extern here, it's annoying and shows up in nm + * for some reason :P + */ +typedef int static_assert_is_32bit_float [(sizeof(int32_t) == 4)?1:-1]; +typedef int static_assert_is_32bit_integer[(sizeof(qcfloat) == 4)?1:-1]; #endif