diff options
Diffstat (limited to 'tcg/tcg.h')
-rw-r--r-- | tcg/tcg.h | 62 |
1 files changed, 39 insertions, 23 deletions
@@ -129,7 +129,7 @@ typedef tcg_target_ulong TCGArg; 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. - In additon we do typechecking for different types of variables. TCGv_i32 + In addition we do typechecking for different types of variables. TCGv_i32 and TCGv_i64 are 32/64-bit variables respectively. TCGv and TCGv_ptr are aliases for target_ulong and host pointer sized values respectively. */ @@ -150,12 +150,19 @@ typedef struct int i64; } TCGv_i64; +typedef struct { + int iptr; +} TCGv_ptr; + #define MAKE_TCGV_I32(i) __extension__ \ ({ TCGv_i32 make_tcgv_tmp = {i}; make_tcgv_tmp;}) #define MAKE_TCGV_I64(i) __extension__ \ ({ TCGv_i64 make_tcgv_tmp = {i}; make_tcgv_tmp;}) +#define MAKE_TCGV_PTR(i) __extension__ \ + ({ TCGv_ptr make_tcgv_tmp = {i}; make_tcgv_tmp; }) #define GET_TCGV_I32(t) ((t).i32) #define GET_TCGV_I64(t) ((t).i64) +#define GET_TCGV_PTR(t) ((t).iptr) #if TCG_TARGET_REG_BITS == 32 #define TCGV_LOW(t) MAKE_TCGV_I32(GET_TCGV_I64(t)) #define TCGV_HIGH(t) MAKE_TCGV_I32(GET_TCGV_I64(t) + 1) @@ -165,10 +172,17 @@ typedef struct typedef int TCGv_i32; typedef int TCGv_i64; +#if TCG_TARGET_REG_BITS == 32 +#define TCGv_ptr TCGv_i32 +#else +#define TCGv_ptr TCGv_i64 +#endif #define MAKE_TCGV_I32(x) (x) #define MAKE_TCGV_I64(x) (x) +#define MAKE_TCGV_PTR(x) (x) #define GET_TCGV_I32(t) (t) #define GET_TCGV_I64(t) (t) +#define GET_TCGV_PTR(t) (t) #if TCG_TARGET_REG_BITS == 32 #define TCGV_LOW(t) (t) @@ -252,9 +266,9 @@ 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 + unsigned int temp_local:1; /* If true, the temp is saved across basic blocks. Otherwise, it is not - preserved accross basic blocks. */ + preserved across 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; @@ -286,8 +300,8 @@ struct TCGContext { 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 */ + uint16_t *op_dead_args; /* for each operation, each bit tells if the + corresponding argument is dead */ /* tells in which temporary a given register is. It does not take into account fixed registers */ @@ -459,25 +473,27 @@ do {\ void tcg_add_target_add_op_defs(const TCGTargetOpDef *tdefs); #if TCG_TARGET_REG_BITS == 32 -#define tcg_const_ptr tcg_const_i32 -#define tcg_add_ptr tcg_add_i32 -#define tcg_sub_ptr tcg_sub_i32 -#define TCGv_ptr TCGv_i32 -#define GET_TCGV_PTR GET_TCGV_I32 -#define tcg_global_reg_new_ptr tcg_global_reg_new_i32 -#define tcg_global_mem_new_ptr tcg_global_mem_new_i32 -#define tcg_temp_new_ptr tcg_temp_new_i32 -#define tcg_temp_free_ptr tcg_temp_free_i32 +#define TCGV_NAT_TO_PTR(n) MAKE_TCGV_PTR(GET_TCGV_I32(n)) +#define TCGV_PTR_TO_NAT(n) MAKE_TCGV_I32(GET_TCGV_PTR(n)) + +#define tcg_const_ptr(V) TCGV_NAT_TO_PTR(tcg_const_i32(V)) +#define tcg_global_reg_new_ptr(R, N) \ + TCGV_NAT_TO_PTR(tcg_global_reg_new_i32((R), (N))) +#define tcg_global_mem_new_ptr(R, O, N) \ + TCGV_NAT_TO_PTR(tcg_global_mem_new_i32((R), (O), (N))) +#define tcg_temp_new_ptr() TCGV_NAT_TO_PTR(tcg_temp_new_i32()) +#define tcg_temp_free_ptr(T) tcg_temp_free_i32(TCGV_PTR_TO_NAT(T)) #else -#define tcg_const_ptr tcg_const_i64 -#define tcg_add_ptr tcg_add_i64 -#define tcg_sub_ptr tcg_sub_i64 -#define TCGv_ptr TCGv_i64 -#define GET_TCGV_PTR GET_TCGV_I64 -#define tcg_global_reg_new_ptr tcg_global_reg_new_i64 -#define tcg_global_mem_new_ptr tcg_global_mem_new_i64 -#define tcg_temp_new_ptr tcg_temp_new_i64 -#define tcg_temp_free_ptr tcg_temp_free_i64 +#define TCGV_NAT_TO_PTR(n) MAKE_TCGV_PTR(GET_TCGV_I64(n)) +#define TCGV_PTR_TO_NAT(n) MAKE_TCGV_I64(GET_TCGV_PTR(n)) + +#define tcg_const_ptr(V) TCGV_NAT_TO_PTR(tcg_const_i64(V)) +#define tcg_global_reg_new_ptr(R, N) \ + TCGV_NAT_TO_PTR(tcg_global_reg_new_i64((R), (N))) +#define tcg_global_mem_new_ptr(R, O, N) \ + TCGV_NAT_TO_PTR(tcg_global_mem_new_i64((R), (O), (N))) +#define tcg_temp_new_ptr() TCGV_NAT_TO_PTR(tcg_temp_new_i64()) +#define tcg_temp_free_ptr(T) tcg_temp_free_i64(TCGV_PTR_TO_NAT(T)) #endif void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags, |