diff options
Diffstat (limited to 'include/tcg/tcg.h')
| -rw-r--r-- | include/tcg/tcg.h | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h index 59854f95b1..7e2b954dbc 100644 --- a/include/tcg/tcg.h +++ b/include/tcg/tcg.h @@ -431,13 +431,15 @@ typedef enum TCGTempVal { } TCGTempVal; typedef enum TCGTempKind { - /* Temp is dead at the end of all basic blocks. */ - TEMP_NORMAL, - /* Temp is live across conditional branch, but dead otherwise. */ + /* + * Temp is dead at the end of the extended basic block (EBB), + * the single-entry multiple-exit region that falls through + * conditional branches. + */ TEMP_EBB, - /* Temp is saved across basic blocks but dead at the end of TBs. */ - TEMP_LOCAL, - /* Temp is saved across both basic blocks and translation blocks. */ + /* Temp is live across the entire translation block, but dead at end. */ + TEMP_TB, + /* Temp is live across the entire translation block, and between them. */ TEMP_GLOBAL, /* Temp is in a fixed register. */ TEMP_FIXED, @@ -610,7 +612,7 @@ struct TCGContext { #endif GHashTable *const_table[TCG_TYPE_COUNT]; - TCGTempSet free_temps[TCG_TYPE_COUNT * 2]; + TCGTempSet free_temps[TCG_TYPE_COUNT]; TCGTemp temps[TCG_MAX_TEMPS]; /* globals first, temps after */ QTAILQ_HEAD(, TCGOp) ops, free_ops; @@ -853,7 +855,7 @@ void tcg_set_frame(TCGContext *s, TCGReg reg, intptr_t start, intptr_t size); TCGTemp *tcg_global_mem_new_internal(TCGType, TCGv_ptr, intptr_t, const char *); -TCGTemp *tcg_temp_new_internal(TCGType, bool); +TCGTemp *tcg_temp_new_internal(TCGType, TCGTempKind); void tcg_temp_free_internal(TCGTemp *); TCGv_vec tcg_temp_new_vec(TCGType type); TCGv_vec tcg_temp_new_vec_matching(TCGv_vec match); @@ -890,15 +892,16 @@ static inline TCGv_i32 tcg_global_mem_new_i32(TCGv_ptr reg, intptr_t offset, return temp_tcgv_i32(t); } -static inline TCGv_i32 tcg_temp_new_i32(void) +/* Used only by tcg infrastructure: tcg-op.c or plugin-gen.c */ +static inline TCGv_i32 tcg_temp_ebb_new_i32(void) { - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I32, false); + TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I32, TEMP_EBB); return temp_tcgv_i32(t); } -static inline TCGv_i32 tcg_temp_local_new_i32(void) +static inline TCGv_i32 tcg_temp_new_i32(void) { - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I32, true); + TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I32, TEMP_TB); return temp_tcgv_i32(t); } @@ -909,27 +912,29 @@ static inline TCGv_i64 tcg_global_mem_new_i64(TCGv_ptr reg, intptr_t offset, return temp_tcgv_i64(t); } -static inline TCGv_i64 tcg_temp_new_i64(void) +/* Used only by tcg infrastructure: tcg-op.c or plugin-gen.c */ +static inline TCGv_i64 tcg_temp_ebb_new_i64(void) { - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I64, false); + TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I64, TEMP_EBB); return temp_tcgv_i64(t); } -static inline TCGv_i64 tcg_temp_local_new_i64(void) +static inline TCGv_i64 tcg_temp_new_i64(void) { - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I64, true); + TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I64, TEMP_TB); return temp_tcgv_i64(t); } -static inline TCGv_i128 tcg_temp_new_i128(void) +/* Used only by tcg infrastructure: tcg-op.c or plugin-gen.c */ +static inline TCGv_i128 tcg_temp_ebb_new_i128(void) { - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I128, false); + TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I128, TEMP_EBB); return temp_tcgv_i128(t); } -static inline TCGv_i128 tcg_temp_local_new_i128(void) +static inline TCGv_i128 tcg_temp_new_i128(void) { - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I128, true); + TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I128, TEMP_TB); return temp_tcgv_i128(t); } @@ -940,15 +945,16 @@ static inline TCGv_ptr tcg_global_mem_new_ptr(TCGv_ptr reg, intptr_t offset, return temp_tcgv_ptr(t); } -static inline TCGv_ptr tcg_temp_new_ptr(void) +/* Used only by tcg infrastructure: tcg-op.c or plugin-gen.c */ +static inline TCGv_ptr tcg_temp_ebb_new_ptr(void) { - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_PTR, false); + TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_PTR, TEMP_EBB); return temp_tcgv_ptr(t); } -static inline TCGv_ptr tcg_temp_local_new_ptr(void) +static inline TCGv_ptr tcg_temp_new_ptr(void) { - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_PTR, true); + TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_PTR, TEMP_TB); return temp_tcgv_ptr(t); } @@ -1054,8 +1060,6 @@ void tcg_optimize(TCGContext *s); /* Allocate a new temporary and initialize it with a constant. */ TCGv_i32 tcg_const_i32(int32_t val); TCGv_i64 tcg_const_i64(int64_t val); -TCGv_i32 tcg_const_local_i32(int32_t val); -TCGv_i64 tcg_const_local_i64(int64_t val); TCGv_vec tcg_const_zeros_vec(TCGType); TCGv_vec tcg_const_ones_vec(TCGType); TCGv_vec tcg_const_zeros_vec_matching(TCGv_vec); @@ -1083,11 +1087,9 @@ TCGv_vec tcg_constant_vec_matching(TCGv_vec match, unsigned vece, int64_t val); #if UINTPTR_MAX == UINT32_MAX # define tcg_const_ptr(x) ((TCGv_ptr)tcg_const_i32((intptr_t)(x))) -# define tcg_const_local_ptr(x) ((TCGv_ptr)tcg_const_local_i32((intptr_t)(x))) # define tcg_constant_ptr(x) ((TCGv_ptr)tcg_constant_i32((intptr_t)(x))) #else # define tcg_const_ptr(x) ((TCGv_ptr)tcg_const_i64((intptr_t)(x))) -# define tcg_const_local_ptr(x) ((TCGv_ptr)tcg_const_local_i64((intptr_t)(x))) # define tcg_constant_ptr(x) ((TCGv_ptr)tcg_constant_i64((intptr_t)(x))) #endif |