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target/arm: Implement MVE VADD, VSUB, VMUL

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Implement the MVE VADD, VSUB and VMUL insns.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-13-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-06-17 13:15:56 +01:00
parent 68245e442c
commit 9333fe4dd3
4 changed files with 47 additions and 0 deletions
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12
target/arm/helper-mve.h
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@ -69,3 +69,15 @@ DEF_HELPER_FLAGS_4(mve_vbic, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vorr, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vorn, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_veor, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vaddb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vaddh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vaddw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vsubb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vsubh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vsubw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vmulb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vmulh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vmulw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)

5
target/arm/mve.decode
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@ -33,6 +33,7 @@
@1op .... .... .... size:2 .. .... .... .... .... &1op qd=%qd qm=%qm
@1op_nosz .... .... .... .... .... .... .... .... &1op qd=%qd qm=%qm size=0
@2op .... .... .. size:2 .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn
@2op_nosz .... .... .... .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn size=0
# Vector loads and stores
@ -77,6 +78,10 @@ VORR 1110 1111 0 . 10 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
VORN 1110 1111 0 . 11 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
VEOR 1111 1111 0 . 00 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz
VADD 1110 1111 0 . .. ... 0 ... 0 1000 . 1 . 0 ... 0 @2op
VSUB 1111 1111 0 . .. ... 0 ... 0 1000 . 1 . 0 ... 0 @2op
VMUL 1110 1111 0 . .. ... 0 ... 0 1001 . 1 . 1 ... 0 @2op
# Vector miscellaneous
VCLS 1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op

14
target/arm/mve_helper.c
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@ -337,6 +337,12 @@ DO_1OP(vfnegs, 8, uint64_t, DO_FNEGS)
mve_advance_vpt(env); \
}
/* provide unsigned 2-op helpers for all sizes */
#define DO_2OP_U(OP, FN) \
DO_2OP(OP##b, 1, uint8_t, FN) \
DO_2OP(OP##h, 2, uint16_t, FN) \
DO_2OP(OP##w, 4, uint32_t, FN)
#define DO_AND(N, M) ((N) & (M))
#define DO_BIC(N, M) ((N) & ~(M))
#define DO_ORR(N, M) ((N) | (M))
@ -348,3 +354,11 @@ DO_2OP(vbic, 8, uint64_t, DO_BIC)
DO_2OP(vorr, 8, uint64_t, DO_ORR)
DO_2OP(vorn, 8, uint64_t, DO_ORN)
DO_2OP(veor, 8, uint64_t, DO_EOR)
#define DO_ADD(N, M) ((N) + (M))
#define DO_SUB(N, M) ((N) - (M))
#define DO_MUL(N, M) ((N) * (M))
DO_2OP_U(vadd, DO_ADD)
DO_2OP_U(vsub, DO_SUB)
DO_2OP_U(vmul, DO_MUL)

16
target/arm/translate-mve.c
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@ -331,3 +331,19 @@ DO_LOGIC(VBIC, gen_helper_mve_vbic)
DO_LOGIC(VORR, gen_helper_mve_vorr)
DO_LOGIC(VORN, gen_helper_mve_vorn)
DO_LOGIC(VEOR, gen_helper_mve_veor)
#define DO_2OP(INSN, FN) \
static bool trans_##INSN(DisasContext *s, arg_2op *a) \
{ \
static MVEGenTwoOpFn * const fns[] = { \
gen_helper_mve_##FN##b, \
gen_helper_mve_##FN##h, \
gen_helper_mve_##FN##w, \
NULL, \
}; \
return do_2op(s, a, fns[a->size]); \
}
DO_2OP(VADD, vadd)
DO_2OP(VSUB, vsub)
DO_2OP(VMUL, vmul)