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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-05-24 18:03:33 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-05-25 16:01:44 +0100 |
| commit | 6a98cb2ae07ad1f1066d3d4d2a945e0d046bde77 (patch) | |
| tree | e81007a0569ed1ee8d038fece1110e27e8801b70 /target | |
| parent | 2867039a9fb68866673f73d48d43761c1133e4db (diff) | |
| download | qemu-6a98cb2ae07ad1f1066d3d4d2a945e0d046bde77.zip | |
target/arm: Implement SVE mixed sign dot product
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-68-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target')
| -rw-r--r-- | target/arm/helper.h | 1 | ||||
| -rw-r--r-- | target/arm/sve.decode | 4 | ||||
| -rw-r--r-- | target/arm/translate-sve.c | 16 | ||||
| -rw-r--r-- | target/arm/vec_helper.c | 1 |
4 files changed, 22 insertions, 0 deletions
diff --git a/target/arm/helper.h b/target/arm/helper.h index e4c6458f98..2e212ae96b 100644 --- a/target/arm/helper.h +++ b/target/arm/helper.h @@ -612,6 +612,7 @@ 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 c6b32a3f69..9f037fe5a7 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1530,6 +1530,10 @@ 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 30894a4143..ae078b095a 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -8132,3 +8132,19 @@ 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 f128b41eac..21ae1258f2 100644 --- a/target/arm/vec_helper.c +++ b/target/arm/vec_helper.c @@ -566,6 +566,7 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, void *va, uint32_t desc) \ DO_DOT(gvec_sdot_b, int32_t, int8_t, int8_t) DO_DOT(gvec_udot_b, uint32_t, uint8_t, uint8_t) +DO_DOT(gvec_usdot_b, uint32_t, uint8_t, int8_t) DO_DOT(gvec_sdot_h, int64_t, int16_t, int16_t) DO_DOT(gvec_udot_h, uint64_t, uint16_t, uint16_t) |