diff options
Diffstat (limited to 'target-sparc/op_helper.c')
| -rw-r--r-- | target-sparc/op_helper.c | 464 |
1 files changed, 0 insertions, 464 deletions
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c index fd20366b9b..33d46a4c04 100644 --- a/target-sparc/op_helper.c +++ b/target-sparc/op_helper.c @@ -333,470 +333,6 @@ void helper_check_align(target_ulong addr, uint32_t align) } } -static uint32_t compute_all_flags(void) -{ - return env->psr & PSR_ICC; -} - -static uint32_t compute_C_flags(void) -{ - return env->psr & PSR_CARRY; -} - -static inline uint32_t get_NZ_icc(int32_t dst) -{ - uint32_t ret = 0; - - if (dst == 0) { - ret = PSR_ZERO; - } else if (dst < 0) { - ret = PSR_NEG; - } - return ret; -} - -#ifdef TARGET_SPARC64 -static uint32_t compute_all_flags_xcc(void) -{ - return env->xcc & PSR_ICC; -} - -static uint32_t compute_C_flags_xcc(void) -{ - return env->xcc & PSR_CARRY; -} - -static inline uint32_t get_NZ_xcc(target_long dst) -{ - uint32_t ret = 0; - - if (!dst) { - ret = PSR_ZERO; - } else if (dst < 0) { - ret = PSR_NEG; - } - return ret; -} -#endif - -static inline uint32_t get_V_div_icc(target_ulong src2) -{ - uint32_t ret = 0; - - if (src2 != 0) { - ret = PSR_OVF; - } - return ret; -} - -static uint32_t compute_all_div(void) -{ - uint32_t ret; - - ret = get_NZ_icc(CC_DST); - ret |= get_V_div_icc(CC_SRC2); - return ret; -} - -static uint32_t compute_C_div(void) -{ - return 0; -} - -static inline uint32_t get_C_add_icc(uint32_t dst, uint32_t src1) -{ - uint32_t ret = 0; - - if (dst < src1) { - ret = PSR_CARRY; - } - return ret; -} - -static inline uint32_t get_C_addx_icc(uint32_t dst, uint32_t src1, - uint32_t src2) -{ - uint32_t ret = 0; - - if (((src1 & src2) | (~dst & (src1 | src2))) & (1U << 31)) { - ret = PSR_CARRY; - } - return ret; -} - -static inline uint32_t get_V_add_icc(uint32_t dst, uint32_t src1, - uint32_t src2) -{ - uint32_t ret = 0; - - if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1U << 31)) { - ret = PSR_OVF; - } - return ret; -} - -#ifdef TARGET_SPARC64 -static inline uint32_t get_C_add_xcc(target_ulong dst, target_ulong src1) -{ - uint32_t ret = 0; - - if (dst < src1) { - ret = PSR_CARRY; - } - return ret; -} - -static inline uint32_t get_C_addx_xcc(target_ulong dst, target_ulong src1, - target_ulong src2) -{ - uint32_t ret = 0; - - if (((src1 & src2) | (~dst & (src1 | src2))) & (1ULL << 63)) { - ret = PSR_CARRY; - } - return ret; -} - -static inline uint32_t get_V_add_xcc(target_ulong dst, target_ulong src1, - target_ulong src2) -{ - uint32_t ret = 0; - - if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 63)) { - ret = PSR_OVF; - } - return ret; -} - -static uint32_t compute_all_add_xcc(void) -{ - uint32_t ret; - - ret = get_NZ_xcc(CC_DST); - ret |= get_C_add_xcc(CC_DST, CC_SRC); - ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_C_add_xcc(void) -{ - return get_C_add_xcc(CC_DST, CC_SRC); -} -#endif - -static uint32_t compute_all_add(void) -{ - uint32_t ret; - - ret = get_NZ_icc(CC_DST); - ret |= get_C_add_icc(CC_DST, CC_SRC); - ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_C_add(void) -{ - return get_C_add_icc(CC_DST, CC_SRC); -} - -#ifdef TARGET_SPARC64 -static uint32_t compute_all_addx_xcc(void) -{ - uint32_t ret; - - ret = get_NZ_xcc(CC_DST); - ret |= get_C_addx_xcc(CC_DST, CC_SRC, CC_SRC2); - ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_C_addx_xcc(void) -{ - uint32_t ret; - - ret = get_C_addx_xcc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} -#endif - -static uint32_t compute_all_addx(void) -{ - uint32_t ret; - - ret = get_NZ_icc(CC_DST); - ret |= get_C_addx_icc(CC_DST, CC_SRC, CC_SRC2); - ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_C_addx(void) -{ - uint32_t ret; - - ret = get_C_addx_icc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} - -static inline uint32_t get_V_tag_icc(target_ulong src1, target_ulong src2) -{ - uint32_t ret = 0; - - if ((src1 | src2) & 0x3) { - ret = PSR_OVF; - } - return ret; -} - -static uint32_t compute_all_tadd(void) -{ - uint32_t ret; - - ret = get_NZ_icc(CC_DST); - ret |= get_C_add_icc(CC_DST, CC_SRC); - ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2); - ret |= get_V_tag_icc(CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_all_taddtv(void) -{ - uint32_t ret; - - ret = get_NZ_icc(CC_DST); - ret |= get_C_add_icc(CC_DST, CC_SRC); - return ret; -} - -static inline uint32_t get_C_sub_icc(uint32_t src1, uint32_t src2) -{ - uint32_t ret = 0; - - if (src1 < src2) { - ret = PSR_CARRY; - } - return ret; -} - -static inline uint32_t get_C_subx_icc(uint32_t dst, uint32_t src1, - uint32_t src2) -{ - uint32_t ret = 0; - - if (((~src1 & src2) | (dst & (~src1 | src2))) & (1U << 31)) { - ret = PSR_CARRY; - } - return ret; -} - -static inline uint32_t get_V_sub_icc(uint32_t dst, uint32_t src1, - uint32_t src2) -{ - uint32_t ret = 0; - - if (((src1 ^ src2) & (src1 ^ dst)) & (1U << 31)) { - ret = PSR_OVF; - } - return ret; -} - - -#ifdef TARGET_SPARC64 -static inline uint32_t get_C_sub_xcc(target_ulong src1, target_ulong src2) -{ - uint32_t ret = 0; - - if (src1 < src2) { - ret = PSR_CARRY; - } - return ret; -} - -static inline uint32_t get_C_subx_xcc(target_ulong dst, target_ulong src1, - target_ulong src2) -{ - uint32_t ret = 0; - - if (((~src1 & src2) | (dst & (~src1 | src2))) & (1ULL << 63)) { - ret = PSR_CARRY; - } - return ret; -} - -static inline uint32_t get_V_sub_xcc(target_ulong dst, target_ulong src1, - target_ulong src2) -{ - uint32_t ret = 0; - - if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 63)) { - ret = PSR_OVF; - } - return ret; -} - -static uint32_t compute_all_sub_xcc(void) -{ - uint32_t ret; - - ret = get_NZ_xcc(CC_DST); - ret |= get_C_sub_xcc(CC_SRC, CC_SRC2); - ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_C_sub_xcc(void) -{ - return get_C_sub_xcc(CC_SRC, CC_SRC2); -} -#endif - -static uint32_t compute_all_sub(void) -{ - uint32_t ret; - - ret = get_NZ_icc(CC_DST); - ret |= get_C_sub_icc(CC_SRC, CC_SRC2); - ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_C_sub(void) -{ - return get_C_sub_icc(CC_SRC, CC_SRC2); -} - -#ifdef TARGET_SPARC64 -static uint32_t compute_all_subx_xcc(void) -{ - uint32_t ret; - - ret = get_NZ_xcc(CC_DST); - ret |= get_C_subx_xcc(CC_DST, CC_SRC, CC_SRC2); - ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_C_subx_xcc(void) -{ - uint32_t ret; - - ret = get_C_subx_xcc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} -#endif - -static uint32_t compute_all_subx(void) -{ - uint32_t ret; - - ret = get_NZ_icc(CC_DST); - ret |= get_C_subx_icc(CC_DST, CC_SRC, CC_SRC2); - ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_C_subx(void) -{ - uint32_t ret; - - ret = get_C_subx_icc(CC_DST, CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_all_tsub(void) -{ - uint32_t ret; - - ret = get_NZ_icc(CC_DST); - ret |= get_C_sub_icc(CC_SRC, CC_SRC2); - ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2); - ret |= get_V_tag_icc(CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_all_tsubtv(void) -{ - uint32_t ret; - - ret = get_NZ_icc(CC_DST); - ret |= get_C_sub_icc(CC_SRC, CC_SRC2); - return ret; -} - -static uint32_t compute_all_logic(void) -{ - return get_NZ_icc(CC_DST); -} - -static uint32_t compute_C_logic(void) -{ - return 0; -} - -#ifdef TARGET_SPARC64 -static uint32_t compute_all_logic_xcc(void) -{ - return get_NZ_xcc(CC_DST); -} -#endif - -typedef struct CCTable { - uint32_t (*compute_all)(void); /* return all the flags */ - uint32_t (*compute_c)(void); /* return the C flag */ -} CCTable; - -static const CCTable icc_table[CC_OP_NB] = { - /* CC_OP_DYNAMIC should never happen */ - [CC_OP_FLAGS] = { compute_all_flags, compute_C_flags }, - [CC_OP_DIV] = { compute_all_div, compute_C_div }, - [CC_OP_ADD] = { compute_all_add, compute_C_add }, - [CC_OP_ADDX] = { compute_all_addx, compute_C_addx }, - [CC_OP_TADD] = { compute_all_tadd, compute_C_add }, - [CC_OP_TADDTV] = { compute_all_taddtv, compute_C_add }, - [CC_OP_SUB] = { compute_all_sub, compute_C_sub }, - [CC_OP_SUBX] = { compute_all_subx, compute_C_subx }, - [CC_OP_TSUB] = { compute_all_tsub, compute_C_sub }, - [CC_OP_TSUBTV] = { compute_all_tsubtv, compute_C_sub }, - [CC_OP_LOGIC] = { compute_all_logic, compute_C_logic }, -}; - -#ifdef TARGET_SPARC64 -static const CCTable xcc_table[CC_OP_NB] = { - /* CC_OP_DYNAMIC should never happen */ - [CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc }, - [CC_OP_DIV] = { compute_all_logic_xcc, compute_C_logic }, - [CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc }, - [CC_OP_ADDX] = { compute_all_addx_xcc, compute_C_addx_xcc }, - [CC_OP_TADD] = { compute_all_add_xcc, compute_C_add_xcc }, - [CC_OP_TADDTV] = { compute_all_add_xcc, compute_C_add_xcc }, - [CC_OP_SUB] = { compute_all_sub_xcc, compute_C_sub_xcc }, - [CC_OP_SUBX] = { compute_all_subx_xcc, compute_C_subx_xcc }, - [CC_OP_TSUB] = { compute_all_sub_xcc, compute_C_sub_xcc }, - [CC_OP_TSUBTV] = { compute_all_sub_xcc, compute_C_sub_xcc }, - [CC_OP_LOGIC] = { compute_all_logic_xcc, compute_C_logic }, -}; -#endif - -void helper_compute_psr(void) -{ - uint32_t new_psr; - - new_psr = icc_table[CC_OP].compute_all(); - env->psr = new_psr; -#ifdef TARGET_SPARC64 - new_psr = xcc_table[CC_OP].compute_all(); - env->xcc = new_psr; -#endif - CC_OP = CC_OP_FLAGS; -} - -uint32_t helper_compute_C_icc(void) -{ - uint32_t ret; - - ret = icc_table[CC_OP].compute_c() >> PSR_CARRY_SHIFT; - return ret; -} - static inline void memcpy32(target_ulong *dst, const target_ulong *src) { dst[0] = src[0]; |