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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-arm@nongnu.org, qemu-devel@nongnu.org
Cc: Richard Henderson <richard.henderson@linaro.org>
Subject: [PATCH 50/55] target/arm: Implement MVE VRHADD
Date: Mon,  7 Jun 2021 17:58:16 +0100	[thread overview]
Message-ID: <20210607165821.9892-51-peter.maydell@linaro.org> (raw)
In-Reply-To: <20210607165821.9892-1-peter.maydell@linaro.org>

Implement the MVE VRHADD insn, which performs a rounded halving
addition.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/helper-mve.h    | 8 ++++++++
 target/arm/mve.decode      | 3 +++
 target/arm/mve_helper.c    | 6 ++++++
 target/arm/translate-mve.c | 2 ++
 4 files changed, 19 insertions(+)

diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h
index ffddbd72377..cd2cc6252f8 100644
--- a/target/arm/helper-mve.h
+++ b/target/arm/helper-mve.h
@@ -240,6 +240,14 @@ DEF_HELPER_FLAGS_4(mve_vqdmullbw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
 DEF_HELPER_FLAGS_4(mve_vqdmullth, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
 DEF_HELPER_FLAGS_4(mve_vqdmulltw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
 
+DEF_HELPER_FLAGS_4(mve_vrhaddsb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vrhaddsh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vrhaddsw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+
+DEF_HELPER_FLAGS_4(mve_vrhaddub, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vrhadduh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
+DEF_HELPER_FLAGS_4(mve_vrhadduw, 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)
diff --git a/target/arm/mve.decode b/target/arm/mve.decode
index 3a2a7e75a3a..6b969902df0 100644
--- a/target/arm/mve.decode
+++ b/target/arm/mve.decode
@@ -157,6 +157,9 @@ VQRDMLSDHX       1111 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 1 @2op
 VQDMULLB         111 . 1110 0 . 11 ... 0 ... 0 1111 . 0 . 0 ... 1 @2op_sz28
 VQDMULLT         111 . 1110 0 . 11 ... 0 ... 1 1111 . 0 . 0 ... 1 @2op_sz28
 
+VRHADD_S         111 0 1111 0 . .. ... 0 ... 0 0001 . 1 . 0 ... 0 @2op
+VRHADD_U         111 1 1111 0 . .. ... 0 ... 0 0001 . 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 68a2339feae..c9434479604 100644
--- a/target/arm/mve_helper.c
+++ b/target/arm/mve_helper.c
@@ -574,6 +574,12 @@ static inline int32_t do_srshl(int32_t n, int8_t shift, int esize)
 DO_2OP_S(vrshls, DO_VRSHLS)
 DO_2OP_U(vrshlu, DO_VRSHLU)
 
+#define DO_RHADD_S(N, M) (((int64_t)(N) + (M) + 1) >> 1)
+#define DO_RHADD_U(N, M) (((uint64_t)(N) + (M) + 1) >> 1)
+
+DO_2OP_S(vrhadds, DO_RHADD_S)
+DO_2OP_U(vrhaddu, DO_RHADD_U)
+
 static inline int32_t do_sat_bhw(int64_t val, int64_t min, int64_t max, bool *s)
 {
     if (val > max) {
diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c
index b227b72e5b6..9a88583385f 100644
--- a/target/arm/translate-mve.c
+++ b/target/arm/translate-mve.c
@@ -437,6 +437,8 @@ DO_2OP(VQDMLSDH, vqdmlsdh)
 DO_2OP(VQDMLSDHX, vqdmlsdhx)
 DO_2OP(VQRDMLSDH, vqrdmlsdh)
 DO_2OP(VQRDMLSDHX, vqrdmlsdhx)
+DO_2OP(VRHADD_S, vrhadds)
+DO_2OP(VRHADD_U, vrhaddu)
 
 static bool trans_VQDMULLB(DisasContext *s, arg_2op *a)
 {
-- 
2.20.1



  parent reply	other threads:[~2021-06-07 17:53 UTC|newest]

Thread overview: 130+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-07 16:57 [PATCH 00/55] target/arm: First slice of MVE implementation Peter Maydell
2021-06-07 16:57 ` [PATCH 01/55] tcg: Introduce tcg_remove_ops_after Peter Maydell
2021-06-07 16:57 ` [PATCH 02/55] target/arm: Enable FPSCR.QC bit for MVE Peter Maydell
2021-06-07 19:02   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 03/55] target/arm: Handle VPR semantics in existing code Peter Maydell
2021-06-07 21:19   ` Richard Henderson
2021-06-10  9:28     ` Peter Maydell
2021-06-07 16:57 ` [PATCH 04/55] target/arm: Add handling for PSR.ECI/ICI Peter Maydell
2021-06-07 23:33   ` Richard Henderson
2021-06-10 10:17     ` Peter Maydell
2021-06-10 13:39       ` Richard Henderson
2021-06-07 16:57 ` [PATCH 05/55] target/arm: Let vfp_access_check() handle late NOCP checks Peter Maydell
2021-06-07 23:50   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 06/55] target/arm: Implement MVE LCTP Peter Maydell
2021-06-08  0:05   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 07/55] target/arm: Implement MVE WLSTP insn Peter Maydell
2021-06-08  1:42   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 08/55] target/arm: Implement MVE DLSTP Peter Maydell
2021-06-08  2:56   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 09/55] target/arm: Implement MVE LETP insn Peter Maydell
2021-06-08  3:40   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 10/55] target/arm: Add framework for MVE decode Peter Maydell
2021-06-08  3:59   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 11/55] target/arm: Implement MVE VLDR/VSTR (non-widening forms) Peter Maydell
2021-06-08 21:33   ` Richard Henderson
2021-06-08 21:43     ` Richard Henderson
2021-06-09 10:01     ` Peter Maydell
2021-06-09 17:09       ` Richard Henderson
2021-06-10 14:01     ` Peter Maydell
2021-06-07 16:57 ` [PATCH 12/55] target/arm: Implement widening/narrowing MVE VLDR/VSTR insns Peter Maydell
2021-06-08 21:46   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 13/55] target/arm: Implement MVE VCLZ Peter Maydell
2021-06-08 22:10   ` Richard Henderson
2021-06-10 12:40     ` Peter Maydell
2021-06-10 14:03       ` Richard Henderson
2021-06-07 16:57 ` [PATCH 14/55] target/arm: Implement MVE VCLS Peter Maydell
2021-06-08 22:12   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 15/55] bitops.h: Provide hswap32(), hswap64(), wswap64() swapping operations Peter Maydell
2021-06-08  6:53   ` Philippe Mathieu-Daudé
2021-06-08 22:14   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 16/55] target/arm: Implement MVE VREV16, VREV32, VREV64 Peter Maydell
2021-06-08 22:23   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 17/55] target/arm: Implement MVE VMVN (register) Peter Maydell
2021-06-08 22:27   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 18/55] target/arm: Implement MVE VABS Peter Maydell
2021-06-08 22:34   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 19/55] target/arm: Implement MVE VNEG Peter Maydell
2021-06-08 22:40   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 20/55] target/arm: Implement MVE VDUP Peter Maydell
2021-06-08 23:17   ` Richard Henderson
2021-06-09 10:06     ` Peter Maydell
2021-06-09 17:16       ` Richard Henderson
2021-06-07 16:57 ` [PATCH 21/55] target/arm: Implement MVE VAND, VBIC, VORR, VORN, VEOR Peter Maydell
2021-06-08 23:23   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 22/55] target/arm: Implement MVE VADD, VSUB, VMUL Peter Maydell
2021-06-08 23:25   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 23/55] target/arm: Implement MVE VMULH Peter Maydell
2021-06-08 23:29   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 24/55] target/arm: Implement MVE VRMULH Peter Maydell
2021-06-08 23:33   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 25/55] target/arm: Implement MVE VMAX, VMIN Peter Maydell
2021-06-08 23:35   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 26/55] target/arm: Implement MVE VABD Peter Maydell
2021-06-08 23:39   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 27/55] target/arm: Implement MVE VHADD, VHSUB Peter Maydell
2021-06-08 23:43   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 28/55] target/arm: Implement MVE VMULL Peter Maydell
2021-06-08 23:52   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 29/55] target/arm: Implement MVE VMLALDAV Peter Maydell
2021-06-09  0:46   ` Richard Henderson
2021-06-09  0:46   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 30/55] target/arm: Implement MVE VMLSLDAV Peter Maydell
2021-06-09  0:47   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 31/55] include/qemu/int128.h: Add function to create Int128 from int64_t Peter Maydell
2021-06-08  6:45   ` Philippe Mathieu-Daudé
2021-06-09  0:51   ` Richard Henderson
2021-06-07 16:57 ` [PATCH 32/55] target/arm: Implement MVE VRMLALDAVH, VRMLSLDAVH Peter Maydell
2021-06-09  1:05   ` Richard Henderson
2021-06-14 10:19     ` Peter Maydell
2021-06-07 16:57 ` [PATCH 33/55] target/arm: Implement MVE VADD (scalar) Peter Maydell
2021-06-09 17:58   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 34/55] target/arm: Implement MVE VSUB, VMUL (scalar) Peter Maydell
2021-06-09 18:00   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 35/55] target/arm: Implement MVE VHADD, VHSUB (scalar) Peter Maydell
2021-06-09 18:02   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 36/55] target/arm: Implement MVE VBRSR Peter Maydell
2021-06-09 18:08   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 37/55] target/arm: Implement MVE VPST Peter Maydell
2021-06-09 18:23   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 38/55] target/arm: Implement MVE VQADD and VQSUB Peter Maydell
2021-06-09 18:46   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 39/55] target/arm: Implement MVE VQDMULH and VQRDMULH (scalar) Peter Maydell
2021-06-09 18:58   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 40/55] target/arm: Implement MVE VQDMULL scalar Peter Maydell
2021-06-09 19:11   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 41/55] target/arm: Implement MVE VQDMULH, VQRDMULH (vector) Peter Maydell
2021-06-09 19:13   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 42/55] target/arm: Implement MVE VQADD, VQSUB (vector) Peter Maydell
2021-06-09 19:15   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 43/55] target/arm: Implement MVE VQSHL (vector) Peter Maydell
2021-06-09 19:26   ` Richard Henderson
2021-06-14 11:04     ` Peter Maydell
2021-06-07 16:58 ` [PATCH 44/55] target/arm: Implement MVE VQRSHL Peter Maydell
2021-06-09 19:29   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 45/55] target/arm: Implement MVE VSHL insn Peter Maydell
2021-06-09 19:40   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 46/55] target/arm: Implement MVE VRSHL Peter Maydell
2021-06-09 19:43   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 47/55] target/arm: Implement MVE VQDMLADH and VQRDMLADH Peter Maydell
2021-06-09 20:05   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 48/55] target/arm: Implement MVE VQDMLSDH and VQRDMLSDH Peter Maydell
2021-06-09 20:08   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 49/55] target/arm: Implement MVE VQDMULL (vector) Peter Maydell
2021-06-09 20:20   ` Richard Henderson
2021-06-10 19:08     ` Peter Maydell
2021-06-10 19:34       ` Richard Henderson
2021-06-07 16:58 ` Peter Maydell [this message]
2021-06-09 20:24   ` [PATCH 50/55] target/arm: Implement MVE VRHADD Richard Henderson
2021-06-07 16:58 ` [PATCH 51/55] target/arm: Implement MVE VADC, VSBC Peter Maydell
2021-06-09 21:06   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 52/55] target/arm: Implement MVE VCADD Peter Maydell
2021-06-09 21:16   ` Richard Henderson
2021-06-10 19:16     ` Peter Maydell
2021-06-07 16:58 ` [PATCH 53/55] target/arm: Implement MVE VHCADD Peter Maydell
2021-06-10  3:50   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 54/55] target/arm: Implement MVE VADDV Peter Maydell
2021-06-10 14:06   ` Richard Henderson
2021-06-07 16:58 ` [PATCH 55/55] target/arm: Make VMOV scalar <-> gpreg beatwise for MVE Peter Maydell
2021-06-10 14:14   ` Richard Henderson
2021-06-09 14:33 ` [PATCH 00/55] target/arm: First slice of MVE implementation no-reply

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