diff options
| author | David Hildenbrand <david@redhat.com> | 2019-04-08 22:50:06 +0200 |
|---|---|---|
| committer | David Hildenbrand <david@redhat.com> | 2019-05-17 10:54:13 +0200 |
| commit | dea33fc31bb5664a63f3157425200be3151652a4 (patch) | |
| tree | bbf177cbd5ceaa28e7f24407290cb3b407d87bfb /target | |
| parent | 5f164905b21da981b5885ffdacdd809358bf6614 (diff) | |
s390x/tcg: Implement VECTOR SHIFT LEFT (BY BYTE)
We can reuse the existing 128-bit shift utility function.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/s390x/helper.h | 1 | ||||
| -rw-r--r-- | target/s390x/insn-data.def | 4 | ||||
| -rw-r--r-- | target/s390x/translate_vx.inc.c | 20 | ||||
| -rw-r--r-- | target/s390x/vec_int_helper.c | 6 |
4 files changed, 31 insertions, 0 deletions
diff --git a/target/s390x/helper.h b/target/s390x/helper.h index d570f763d9..b4ddc8a722 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -204,6 +204,7 @@ DEF_HELPER_FLAGS_4(gvec_verll8, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32) DEF_HELPER_FLAGS_4(gvec_verll16, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32) DEF_HELPER_FLAGS_4(gvec_verim8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) DEF_HELPER_FLAGS_4(gvec_verim16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) +DEF_HELPER_FLAGS_4(gvec_vsl, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32) #ifndef CONFIG_USER_ONLY DEF_HELPER_3(servc, i32, env, i64, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index f4b67bda7e..2621e433cd 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1160,6 +1160,10 @@ /* VECTOR ELEMENT SHIFT RIGHT LOGICAL */ F(0xe778, VESRLV, VRR_c, V, 0, 0, 0, 0, vesv, 0, IF_VEC) F(0xe738, VESRL, VRS_a, V, la2, 0, 0, 0, ves, 0, IF_VEC) +/* VECTOR SHIFT LEFT */ + F(0xe774, VSL, VRR_c, V, 0, 0, 0, 0, vsl, 0, IF_VEC) +/* VECTOR SHIFT LEFT BY BYTE */ + F(0xe775, VSLB, VRR_c, V, 0, 0, 0, 0, vsl, 0, IF_VEC) #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c index 15353096c0..734c022b36 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -188,6 +188,9 @@ static void get_vec_element_ptr_i64(TCGv_ptr ptr, uint8_t reg, TCGv_i64 enr, #define gen_gvec_2s(v1, v2, c, gen) \ tcg_gen_gvec_2s(vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ 16, 16, c, gen) +#define gen_gvec_2i_ool(v1, v2, c, data, fn) \ + tcg_gen_gvec_2i_ool(vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ + c, 16, 16, data, fn) #define gen_gvec_3(v1, v2, v3, gen) \ tcg_gen_gvec_3(vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ vec_full_reg_offset(v3), 16, 16, gen) @@ -2040,3 +2043,20 @@ static DisasJumpType op_ves(DisasContext *s, DisasOps *o) } return DISAS_NEXT; } + +static DisasJumpType op_vsl(DisasContext *s, DisasOps *o) +{ + TCGv_i64 shift = tcg_temp_new_i64(); + + read_vec_element_i64(shift, get_field(s->fields, v3), 7, ES_8); + if (s->fields->op2 == 0x74) { + tcg_gen_andi_i64(shift, shift, 0x7); + } else { + tcg_gen_andi_i64(shift, shift, 0x78); + } + + gen_gvec_2i_ool(get_field(s->fields, v1), get_field(s->fields, v2), + shift, 0, gen_helper_gvec_vsl); + tcg_temp_free_i64(shift); + return DISAS_NEXT; +} diff --git a/target/s390x/vec_int_helper.c b/target/s390x/vec_int_helper.c index b881fb722d..3df069f033 100644 --- a/target/s390x/vec_int_helper.c +++ b/target/s390x/vec_int_helper.c @@ -529,3 +529,9 @@ void HELPER(gvec_verim##BITS)(void *v1, const void *v2, const void *v3, \ } DEF_VERIM(8) DEF_VERIM(16) + +void HELPER(gvec_vsl)(void *v1, const void *v2, uint64_t count, + uint32_t desc) +{ + s390_vec_shl(v1, v2, count); +} |