diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2021-06-17 13:16:04 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-06-21 17:12:51 +0100 |
| commit | 181cd97143629a304f75acf894ca79b26bf32378 (patch) | |
| tree | 668b7780fad7e7ad6737a6a0b429b055ad04351c /target | |
| parent | 1d2386f70a0cb2ad9c5fab2cf1eedb80bb5b313d (diff) | |
target/arm: Implement MVE VMLSLDAV
Implement the MVE insn VMLSLDAV, which multiplies source elements,
alternately adding and subtracting them, and accumulates into a
64-bit result in a pair of general purpose registers.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-21-peter.maydell@linaro.org
Diffstat (limited to 'target')
| -rw-r--r-- | target/arm/helper-mve.h | 5 | ||||
| -rw-r--r-- | target/arm/mve.decode | 2 | ||||
| -rw-r--r-- | target/arm/mve_helper.c | 5 | ||||
| -rw-r--r-- | target/arm/translate-mve.c | 11 |
4 files changed, 23 insertions, 0 deletions
diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index 0138e28278..7356385d60 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -152,3 +152,8 @@ DEF_HELPER_FLAGS_4(mve_vmlaldavxsw, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64) DEF_HELPER_FLAGS_4(mve_vmlaldavuh, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64) DEF_HELPER_FLAGS_4(mve_vmlaldavuw, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64) + +DEF_HELPER_FLAGS_4(mve_vmlsldavsh, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64) +DEF_HELPER_FLAGS_4(mve_vmlsldavsw, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64) +DEF_HELPER_FLAGS_4(mve_vmlsldavxsh, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64) +DEF_HELPER_FLAGS_4(mve_vmlsldavxsw, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index bde54d05bb..1be2d6b270 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -145,3 +145,5 @@ VDUP 1110 1110 1 0 10 ... 0 .... 1011 . 0 0 1 0000 @vdup size=2 qn=%qn rdahi=%rdahi rdalo=%rdalo size=%size_16 &vmlaldav VMLALDAV_S 1110 1110 1 ... ... . ... x:1 1110 . 0 a:1 0 ... 0 @vmlaldav VMLALDAV_U 1111 1110 1 ... ... . ... x:1 1110 . 0 a:1 0 ... 0 @vmlaldav + +VMLSLDAV 1110 1110 1 ... ... . ... x:1 1110 . 0 a:1 0 ... 1 @vmlaldav diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index 4d586c4d26..b496e1f4d3 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -522,3 +522,8 @@ DO_LDAV(vmlaldavxsw, 4, int32_t, true, +=, +=) DO_LDAV(vmlaldavuh, 2, uint16_t, false, +=, +=) DO_LDAV(vmlaldavuw, 4, uint32_t, false, +=, +=) + +DO_LDAV(vmlsldavsh, 2, int16_t, false, +=, -=) +DO_LDAV(vmlsldavxsh, 2, int16_t, true, +=, -=) +DO_LDAV(vmlsldavsw, 4, int32_t, false, +=, -=) +DO_LDAV(vmlsldavxsw, 4, int32_t, true, +=, -=) diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index f8ceeac5a4..77b461c218 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -461,3 +461,14 @@ static bool trans_VMLALDAV_U(DisasContext *s, arg_vmlaldav *a) }; return do_long_dual_acc(s, a, fns[a->size][a->x]); } + +static bool trans_VMLSLDAV(DisasContext *s, arg_vmlaldav *a) +{ + static MVEGenDualAccOpFn * const fns[4][2] = { + { NULL, NULL }, + { gen_helper_mve_vmlsldavsh, gen_helper_mve_vmlsldavxsh }, + { gen_helper_mve_vmlsldavsw, gen_helper_mve_vmlsldavxsw }, + { NULL, NULL }, + }; + return do_long_dual_acc(s, a, fns[a->size][a->x]); +} |