Signed-off-by: Richard Henderson <richard.hender...@linaro.org> --- target/arm/helper.h | 2 ++ target/arm/sve.decode | 4 ++++ target/arm/translate-sve.c | 16 ++++++++++++++++ target/arm/vec_helper.c | 18 ++++++++++++++++++ 4 files changed, 40 insertions(+)
diff --git a/target/arm/helper.h b/target/arm/helper.h index e4c6458f98..86f938c938 100644 --- a/target/arm/helper.h +++ b/target/arm/helper.h @@ -612,6 +612,8 @@ DEF_HELPER_FLAGS_5(gvec_sdot_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_udot_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_sdot_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_udot_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_5(gvec_usdot_b, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_sdot_idx_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 05360e2608..73f1348313 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1481,6 +1481,10 @@ UMLSLT_zzzw 01000100 .. 0 ..... 010 111 ..... ..... @rda_rn_rm CMLA_zzzz 01000100 esz:2 0 rm:5 0010 rot:2 rn:5 rd:5 ra=%reg_movprfx SQRDCMLAH_zzzz 01000100 esz:2 0 rm:5 0011 rot:2 rn:5 rd:5 ra=%reg_movprfx +## SVE mixed sign dot product + +USDOT_zzzz 01000100 .. 0 ..... 011 110 ..... ..... @rda_rn_rm + ### SVE2 floating point matrix multiply accumulate FMMLA 01100100 .. 1 ..... 111001 ..... ..... @rda_rn_rm diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index c988d0125a..8952990453 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -8056,3 +8056,19 @@ static bool trans_SQRDCMLAH_zzzz(DisasContext *s, arg_SQRDCMLAH_zzzz *a) } return true; } + +static bool trans_USDOT_zzzz(DisasContext *s, arg_USDOT_zzzz *a) +{ + if (a->esz != 2 || !dc_isar_feature(aa64_sve_i8mm, s)) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz = vec_full_reg_size(s); + tcg_gen_gvec_4_ool(vec_full_reg_offset(s, a->rd), + vec_full_reg_offset(s, a->rn), + vec_full_reg_offset(s, a->rm), + vec_full_reg_offset(s, a->ra), + vsz, vsz, 0, gen_helper_gvec_usdot_b); + } + return true; +} diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c index 98b707f4f5..9b2a4d5b7e 100644 --- a/target/arm/vec_helper.c +++ b/target/arm/vec_helper.c @@ -579,6 +579,24 @@ void HELPER(gvec_udot_b)(void *vd, void *vn, void *vm, void *va, uint32_t desc) clear_tail(d, opr_sz, simd_maxsz(desc)); } +void HELPER(gvec_usdot_b)(void *vd, void *vn, void *vm, + void *va, uint32_t desc) +{ + intptr_t i, opr_sz = simd_oprsz(desc); + int32_t *d = vd, *a = va; + uint8_t *n = vn; + int8_t *m = vm; + + for (i = 0; i < opr_sz / 4; ++i) { + d[i] = (a[i] + + n[i * 4 + 0] * m[i * 4 + 0] + + n[i * 4 + 1] * m[i * 4 + 1] + + n[i * 4 + 2] * m[i * 4 + 2] + + n[i * 4 + 3] * m[i * 4 + 3]); + } + clear_tail(d, opr_sz, simd_maxsz(desc)); +} + void HELPER(gvec_sdot_h)(void *vd, void *vn, void *vm, void *va, uint32_t desc) { intptr_t i, opr_sz = simd_oprsz(desc); -- 2.25.1