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target/arm: Implement MVE VQRSHL 

Implement the MV VQRSHL (vector) insn.  Again, the code to perform
the actual shifts is borrowed from neon_helper.c.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-34-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-06-17 13:16:17 +01:00
parent 483da66139
commit 9dc868c41d
4 changed files with 19 additions and 0 deletions
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8
target/arm/helper-mve.h
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@ -177,6 +177,14 @@ DEF_HELPER_FLAGS_4(mve_vqshlub, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vqshluh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vqshluw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vqrshlsb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vqrshlsh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vqrshlsw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vqrshlub, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vqrshluh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vqrshluw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
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)

3
target/arm/mve.decode
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@ -133,6 +133,9 @@ VQSUB_U 111 1 1111 0 . .. ... 0 ... 0 0010 . 1 . 1 ... 0 @2op
VQSHL_S 111 0 1111 0 . .. ... 0 ... 0 0100 . 1 . 1 ... 0 @2op_rev
VQSHL_U 111 1 1111 0 . .. ... 0 ... 0 0100 . 1 . 1 ... 0 @2op_rev
VQRSHL_S 111 0 1111 0 . .. ... 0 ... 0 0101 . 1 . 1 ... 0 @2op_rev
VQRSHL_U 111 1 1111 0 . .. ... 0 ... 0 0101 . 1 . 1 ... 0 @2op_rev
# Vector miscellaneous
VCLS 1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op

6
target/arm/mve_helper.c
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@ -607,9 +607,15 @@ DO_2OP_SAT(vqsubsw, 4, int32_t, DO_SQSUB_W)
WRAP_QRSHL_HELPER(do_sqrshl_bhs, N, M, false, satp)
#define DO_UQSHL_OP(N, M, satp) \
WRAP_QRSHL_HELPER(do_uqrshl_bhs, N, M, false, satp)
#define DO_SQRSHL_OP(N, M, satp) \
WRAP_QRSHL_HELPER(do_sqrshl_bhs, N, M, true, satp)
#define DO_UQRSHL_OP(N, M, satp) \
WRAP_QRSHL_HELPER(do_uqrshl_bhs, N, M, true, satp)
DO_2OP_SAT_S(vqshls, DO_SQSHL_OP)
DO_2OP_SAT_U(vqshlu, DO_UQSHL_OP)
DO_2OP_SAT_S(vqrshls, DO_SQRSHL_OP)
DO_2OP_SAT_U(vqrshlu, DO_UQRSHL_OP)
#define DO_2OP_SCALAR(OP, ESIZE, TYPE, FN) \
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, \

2
target/arm/translate-mve.c
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@ -404,6 +404,8 @@ DO_2OP(VQSUB_S, vqsubs)
DO_2OP(VQSUB_U, vqsubu)
DO_2OP(VQSHL_S, vqshls)
DO_2OP(VQSHL_U, vqshlu)
DO_2OP(VQRSHL_S, vqrshls)
DO_2OP(VQRSHL_U, vqrshlu)
static bool do_2op_scalar(DisasContext *s, arg_2scalar *a,
MVEGenTwoOpScalarFn fn)