diff options
Diffstat (limited to 'tcg/tcg.h')
| -rw-r--r-- | tcg/tcg.h | 22 |
1 files changed, 16 insertions, 6 deletions
@@ -189,6 +189,9 @@ typedef struct TCGTemp { unsigned int fixed_reg:1; unsigned int mem_coherent:1; unsigned int mem_allocated:1; + unsigned int temp_local:1; /* If true, the temp is saved accross + basic blocks. Otherwise, it is not + preserved accross basic blocks. */ unsigned int temp_allocated:1; /* never used for code gen */ /* index of next free temp of same base type, -1 if end */ int next_free_temp; @@ -212,11 +215,8 @@ struct TCGContext { TCGTemp *temps; /* globals first, temps after */ int nb_globals; int nb_temps; - int first_free_temp[TCG_TYPE_COUNT]; /* index of free temps, -1 if none */ - - /* constant indexes (end of temp array) */ - int const_start; - int const_end; + /* index of free temps, -1 if none */ + int first_free_temp[TCG_TYPE_COUNT * 2]; /* goto_tb support */ uint8_t *code_buf; @@ -224,8 +224,10 @@ struct TCGContext { uint16_t *tb_next_offset; uint16_t *tb_jmp_offset; /* != NULL if USE_DIRECT_JUMP */ + /* liveness analysis */ uint16_t *op_dead_iargs; /* for each operation, each bit tells if the corresponding input argument is dead */ + /* tells in which temporary a given register is. It does not take into account fixed registers */ int reg_to_temp[TCG_TARGET_NB_REGS]; @@ -305,7 +307,15 @@ TCGv tcg_global_reg2_new_hack(TCGType type, int reg1, int reg2, const char *name); TCGv tcg_global_mem_new(TCGType type, int reg, tcg_target_long offset, const char *name); -TCGv tcg_temp_new(TCGType type); +TCGv tcg_temp_new_internal(TCGType type, int temp_local); +static inline TCGv tcg_temp_new(TCGType type) +{ + return tcg_temp_new_internal(type, 0); +} +static inline TCGv tcg_temp_local_new(TCGType type) +{ + return tcg_temp_new_internal(type, 1); +} void tcg_temp_free(TCGv arg); char *tcg_get_arg_str(TCGContext *s, char *buf, int buf_size, TCGv arg); void tcg_dump_info(FILE *f, |