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target/arm: Implement MVE VHADD, VHSUB (scalar)

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Implement the scalar variants of the MVE VHADD and VHSUB insns.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-25-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-06-17 13:16:08 +01:00
parent 91a358fdfb
commit 644f717c35
4 changed files with 32 additions and 0 deletions
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16
target/arm/helper-mve.h
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@ -157,6 +157,22 @@ DEF_HELPER_FLAGS_4(mve_vmul_scalarb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vmul_scalarh, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vmul_scalarw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhadds_scalarb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhadds_scalarh, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhadds_scalarw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhaddu_scalarb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhaddu_scalarh, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhaddu_scalarw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhsubs_scalarb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhsubs_scalarh, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhsubs_scalarw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhsubu_scalarb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhsubu_scalarh, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vhsubu_scalarw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vmlaldavsh, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64)
DEF_HELPER_FLAGS_4(mve_vmlaldavsw, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64)
DEF_HELPER_FLAGS_4(mve_vmlaldavxsh, TCG_CALL_NO_WG, i64, env, ptr, ptr, i64)

4
target/arm/mve.decode
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@ -163,3 +163,7 @@ VRMLSLDAVH 1111 1110 1 ... ... 0 ... x:1 1110 . 0 a:1 0 ... 1 @vmlaldav_no
VADD_scalar 1110 1110 0 . .. ... 1 ... 0 1111 . 100 .... @2scalar
VSUB_scalar 1110 1110 0 . .. ... 1 ... 1 1111 . 100 .... @2scalar
VMUL_scalar 1110 1110 0 . .. ... 1 ... 1 1110 . 110 .... @2scalar
VHADD_S_scalar 1110 1110 0 . .. ... 0 ... 0 1111 . 100 .... @2scalar
VHADD_U_scalar 1111 1110 0 . .. ... 0 ... 0 1111 . 100 .... @2scalar
VHSUB_S_scalar 1110 1110 0 . .. ... 0 ... 1 1111 . 100 .... @2scalar
VHSUB_U_scalar 1111 1110 0 . .. ... 0 ... 1 1111 . 100 .... @2scalar

8
target/arm/mve_helper.c
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@ -510,10 +510,18 @@ DO_2OP_U(vhsubu, do_vhsub_u)
DO_2OP_SCALAR(OP##b, 1, uint8_t, FN) \
DO_2OP_SCALAR(OP##h, 2, uint16_t, FN) \
DO_2OP_SCALAR(OP##w, 4, uint32_t, FN)
#define DO_2OP_SCALAR_S(OP, FN) \
DO_2OP_SCALAR(OP##b, 1, int8_t, FN) \
DO_2OP_SCALAR(OP##h, 2, int16_t, FN) \
DO_2OP_SCALAR(OP##w, 4, int32_t, FN)
DO_2OP_SCALAR_U(vadd_scalar, DO_ADD)
DO_2OP_SCALAR_U(vsub_scalar, DO_SUB)
DO_2OP_SCALAR_U(vmul_scalar, DO_MUL)
DO_2OP_SCALAR_S(vhadds_scalar, do_vhadd_s)
DO_2OP_SCALAR_U(vhaddu_scalar, do_vhadd_u)
DO_2OP_SCALAR_S(vhsubs_scalar, do_vhsub_s)
DO_2OP_SCALAR_U(vhsubu_scalar, do_vhsub_u)
/*
* Multiply add long dual accumulate ops.

4
target/arm/translate-mve.c
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@ -429,6 +429,10 @@ static bool do_2op_scalar(DisasContext *s, arg_2scalar *a,
DO_2OP_SCALAR(VADD_scalar, vadd_scalar)
DO_2OP_SCALAR(VSUB_scalar, vsub_scalar)
DO_2OP_SCALAR(VMUL_scalar, vmul_scalar)
DO_2OP_SCALAR(VHADD_S_scalar, vhadds_scalar)
DO_2OP_SCALAR(VHADD_U_scalar, vhaddu_scalar)
DO_2OP_SCALAR(VHSUB_S_scalar, vhsubs_scalar)
DO_2OP_SCALAR(VHSUB_U_scalar, vhsubu_scalar)
static bool do_long_dual_acc(DisasContext *s, arg_vmlaldav *a,
MVEGenDualAccOpFn *fn)