diff options
Diffstat (limited to 'tcg/tcg.h')
| -rw-r--r-- | tcg/tcg.h | 57 |
1 files changed, 46 insertions, 11 deletions
@@ -103,6 +103,41 @@ typedef int TCGType; typedef tcg_target_ulong TCGArg; +/* Define a type and accessor macros for varables. Using a struct is + nice because it gives some level of type safely. Ideally the compiler + be able to see through all this. However in practice this is not true, + expecially on targets with braindamaged ABIs (e.g. i386). + We use plain int by default to avoid this runtime overhead. + Users of tcg_gen_* don't need to know about any of this, and should + treat TCGv as an opaque type. */ + +//#define DEBUG_TCGV 1 + +#ifdef DEBUG_TCGV + +typedef struct +{ + int n; +} TCGv; + +#define MAKE_TCGV(i) __extension__ \ + ({ TCGv make_tcgv_tmp = {i}; make_tcgv_tmp;}) +#define GET_TCGV(t) ((t).n) +#if TCG_TARGET_REG_BITS == 32 +#define TCGV_HIGH(t) MAKE_TCGV(GET_TCGV(t) + 1) +#endif + +#else /* !DEBUG_TCGV */ + +typedef int TCGv; +#define MAKE_TCGV(x) (x) +#define GET_TCGV(t) (t) +#if TCG_TARGET_REG_BITS == 32 +#define TCGV_HIGH(t) ((t) + 1) +#endif + +#endif /* DEBUG_TCGV */ + /* call flags */ #define TCG_CALL_TYPE_MASK 0x000f #define TCG_CALL_TYPE_STD 0x0000 /* standard C call */ @@ -228,11 +263,11 @@ int dyngen_code_search_pc(TCGContext *s, uint8_t *gen_code_buf, void tcg_set_frame(TCGContext *s, int reg, tcg_target_long start, tcg_target_long size); void tcg_set_macro_func(TCGContext *s, TCGMacroFunc *func); -int tcg_global_reg_new(TCGType type, int reg, const char *name); -int tcg_global_mem_new(TCGType type, int reg, tcg_target_long offset, - const char *name); -int tcg_temp_new(TCGType type); -char *tcg_get_arg_str(TCGContext *s, char *buf, int buf_size, TCGArg arg); +TCGv tcg_global_reg_new(TCGType type, int reg, 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); +char *tcg_get_arg_str(TCGContext *s, char *buf, int buf_size, TCGv arg); #define TCG_CT_ALIAS 0x80 #define TCG_CT_IALIAS 0x40 @@ -278,10 +313,10 @@ do {\ void tcg_add_target_add_op_defs(const TCGTargetOpDef *tdefs); -void tcg_gen_call(TCGContext *s, TCGArg func, unsigned int flags, - unsigned int nb_rets, const TCGArg *rets, - unsigned int nb_params, const TCGArg *args1); -void tcg_gen_shifti_i64(TCGArg ret, TCGArg arg1, +void tcg_gen_call(TCGContext *s, TCGv func, unsigned int flags, + unsigned int nb_rets, const TCGv *rets, + unsigned int nb_params, const TCGv *args1); +void tcg_gen_shifti_i64(TCGv ret, TCGv arg1, int c, int right, int arith); /* only used for debugging purposes */ @@ -291,8 +326,8 @@ const char *tcg_helper_get_name(TCGContext *s, void *func); void tcg_dump_ops(TCGContext *s, FILE *outfile); void dump_ops(const uint16_t *opc_buf, const TCGArg *opparam_buf); -int tcg_const_i32(int32_t val); -int tcg_const_i64(int64_t val); +TCGv tcg_const_i32(int32_t val); +TCGv tcg_const_i64(int64_t val); #if TCG_TARGET_REG_BITS == 32 #define tcg_const_ptr tcg_const_i32 |