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authorPeter Maydell <peter.maydell@linaro.org>2021-06-17 13:15:56 +0100
committerPeter Maydell <peter.maydell@linaro.org>2021-06-21 17:12:50 +0100
commit9333fe4dd39709ce9898750d517568e5c2fb2e32 (patch)
tree4f30cc1cfa2acf850d3bd929b96e5ab5176c7d3f /target/arm
parent68245e442c9e5175d5e9d3a797dcab7eee800253 (diff)
target/arm: Implement MVE VADD, VSUB, VMUL
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
Diffstat (limited to 'target/arm')
-rw-r--r--target/arm/helper-mve.h12
-rw-r--r--target/arm/mve.decode5
-rw-r--r--target/arm/mve_helper.c14
-rw-r--r--target/arm/translate-mve.c16
4 files changed, 47 insertions, 0 deletions
diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h
index 01b6123f25..707b9cbd54 100644
--- a/target/arm/helper-mve.h
+++ b/target/arm/helper-mve.h
@@ -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)
diff --git a/target/arm/mve.decode b/target/arm/mve.decode
index 332e0b8d1d..f7d1d303f1 100644
--- a/target/arm/mve.decode
+++ b/target/arm/mve.decode
@@ -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
diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c
index da62b0e012..23da96402e 100644
--- a/target/arm/mve_helper.c
+++ b/target/arm/mve_helper.c
@@ -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)
diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c
index 2546567774..5d3dee4699 100644
--- a/target/arm/translate-mve.c
+++ b/target/arm/translate-mve.c
@@ -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)