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author | Blue Swirl <blauwirbel@gmail.com> | 2009-05-10 10:38:35 +0300 |
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committer | Blue Swirl <blauwirbel@gmail.com> | 2009-05-10 10:38:35 +0300 |
commit | 3b2d1e9286e1ddbb36499c9fd59e14b736441969 (patch) | |
tree | 01d5c63997d3cec2c1c8409dc545ded1ef55cab2 /target-sparc/op_helper.c | |
parent | 2ca1d92b0785b65c48b415ee9074f3674432edde (diff) | |
download | qemu-3b2d1e9286e1ddbb36499c9fd59e14b736441969.zip qemu-3b2d1e9286e1ddbb36499c9fd59e14b736441969.tar.gz qemu-3b2d1e9286e1ddbb36499c9fd59e14b736441969.tar.bz2 |
Convert tagged ops
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-sparc/op_helper.c')
-rw-r--r-- | target-sparc/op_helper.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c index 0df6bb0..ddfe152 100644 --- a/target-sparc/op_helper.c +++ b/target-sparc/op_helper.c @@ -902,6 +902,45 @@ static uint32_t compute_C_addx_xcc(void) } #endif +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_C_tadd(void) +{ + return get_C_add_icc(CC_DST, CC_SRC); +} + +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 uint32_t compute_C_taddtv(void) +{ + return get_C_add_icc(CC_DST, CC_SRC); +} + static inline uint32_t get_C_sub_icc(target_ulong src1, target_ulong src2) { uint32_t ret = 0; @@ -1014,6 +1053,36 @@ static uint32_t compute_C_subx_xcc(void) } #endif +static uint32_t compute_all_tsub(void) +{ + uint32_t ret; + + ret = get_NZ_icc(CC_DST); + ret |= get_C_sub_icc(CC_DST, CC_SRC); + 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_C_tsub(void) +{ + return get_C_sub_icc(CC_DST, CC_SRC); +} + +static uint32_t compute_all_tsubtv(void) +{ + uint32_t ret; + + ret = get_NZ_icc(CC_DST); + ret |= get_C_sub_icc(CC_DST, CC_SRC); + return ret; +} + +static uint32_t compute_C_tsubtv(void) +{ + return get_C_sub_icc(CC_DST, CC_SRC); +} + static uint32_t compute_all_logic(void) { return get_NZ_icc(CC_DST); @@ -1041,8 +1110,12 @@ static const CCTable icc_table[CC_OP_NB] = { [CC_OP_FLAGS] = { compute_all_flags, compute_C_flags }, [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_tadd }, + [CC_OP_TADDTV] = { compute_all_taddtv, compute_C_taddtv }, [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_tsub }, + [CC_OP_TSUBTV] = { compute_all_tsubtv, compute_C_tsubtv }, [CC_OP_LOGIC] = { compute_all_logic, compute_C_logic }, }; @@ -1052,8 +1125,12 @@ static const CCTable xcc_table[CC_OP_NB] = { [CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc }, [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 |