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target/arm: Implement MVE VSUB, VMUL (scalar) 

Implement the scalar forms of the MVE VSUB and VMUL insns.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-24-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-06-17 13:16:07 +01:00
parent e51896b386
commit 91a358fdfb
4 changed files with 14 additions and 0 deletions
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8
target/arm/helper-mve.h
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@ -149,6 +149,14 @@ DEF_HELPER_FLAGS_4(mve_vadd_scalarb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vadd_scalarh, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vadd_scalarw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vsub_scalarb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vsub_scalarh, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vsub_scalarw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
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_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)

2
target/arm/mve.decode
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@ -161,3 +161,5 @@ VRMLSLDAVH 1111 1110 1 ... ... 0 ... x:1 1110 . 0 a:1 0 ... 1 @vmlaldav_no
# Scalar operations
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

2
target/arm/mve_helper.c
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@ -512,6 +512,8 @@ DO_2OP_U(vhsubu, do_vhsub_u)
DO_2OP_SCALAR(OP##w, 4, uint32_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)
/*
* Multiply add long dual accumulate ops.

2
target/arm/translate-mve.c
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@ -427,6 +427,8 @@ 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)
static bool do_long_dual_acc(DisasContext *s, arg_vmlaldav *a,
MVEGenDualAccOpFn *fn)