[PULL 27/57] target/arm: Implement MVE VABD

[Peter Maydell]

Implement the MVE VABD insn.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-17-peter.maydell@linaro.org
---
 target/arm/helper-mve.h    | 7 +++++++
 target/arm/mve.decode      | 3 +++
 target/arm/mve_helper.c    | 5 +++++
 target/arm/translate-mve.c | 2 ++
 4 files changed, 17 insertions(+)

diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h
index 5181d3b9413..5cd4e7d736d 100644
--- a/target/arm/helper-mve.h
+++ b/target/arm/helper-mve.h
@@ -109,3 +109,10 @@ DEF_HELPER_FLAGS_4(mve_vminsw, TCG_CALL_NO_WG, void, env, 
ptr, ptr, ptr)
 DEF_HELPER_FLAGS_4(mve_vminub, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
 DEF_HELPER_FLAGS_4(mve_vminuh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
 DEF_HELPER_FLAGS_4(mve_vminuw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+
+DEF_HELPER_FLAGS_4(mve_vabdsb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vabdsh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vabdsw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vabdub, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vabduh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vabduw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
diff --git a/target/arm/mve.decode b/target/arm/mve.decode
index 42d5504500c..087d3db2a31 100644
--- a/target/arm/mve.decode
+++ b/target/arm/mve.decode
@@ -93,6 +93,9 @@ VMAX_U           111 1 1111 0 . .. ... 0 ... 0 0110 . 1 . 0 
... 0 @2op
 VMIN_S           111 0 1111 0 . .. ... 0 ... 0 0110 . 1 . 1 ... 0 @2op
 VMIN_U           111 1 1111 0 . .. ... 0 ... 0 0110 . 1 . 1 ... 0 @2op
 
+VABD_S           111 0 1111 0 . .. ... 0 ... 0 0111 . 1 . 0 ... 0 @2op
+VABD_U           111 1 1111 0 . .. ... 0 ... 0 0111 . 1 . 0 ... 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 c040e42bda2..63eacd7349b 100644
--- a/target/arm/mve_helper.c
+++ b/target/arm/mve_helper.c
@@ -424,3 +424,8 @@ DO_2OP_S(vmaxs, DO_MAX)
 DO_2OP_U(vmaxu, DO_MAX)
 DO_2OP_S(vmins, DO_MIN)
 DO_2OP_U(vminu, DO_MIN)
+
+#define DO_ABD(N, M)  ((N) >= (M) ? (N) - (M) : (M) - (N))
+
+DO_2OP_S(vabds, DO_ABD)
+DO_2OP_U(vabdu, DO_ABD)
diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c
index 107c393a997..041fd1ef14f 100644
--- a/target/arm/translate-mve.c
+++ b/target/arm/translate-mve.c
@@ -355,3 +355,5 @@ DO_2OP(VMAX_S, vmaxs)
 DO_2OP(VMAX_U, vmaxu)
 DO_2OP(VMIN_S, vmins)
 DO_2OP(VMIN_U, vminu)
+DO_2OP(VABD_S, vabds)
+DO_2OP(VABD_U, vabdu)
-- 
2.20.1