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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id n65sm11615496wme.21.2021.06.21.09.28.59 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jun 2021 09:29:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=Y2QzG7+cF5G/TgmouHXzoRPEdvv/MpulqcnZ7sVXbFM=; b=Jg9sykG4681PmTq3jg5Pg+XtQo1DC+DD5hhOZDsXEOq6n8wC61TPteWhUB37W+PGjj OUGj2zW3iuJMDTkWUj4uMnY60rAe0P5YDkbcyyivxd35IPleQ24Moi8KDx6aHqB4jPUr DhKODliKzOCuoqU3/0HzLvqpNKDyxt1libdcKDPGykrZtAJ5SW7337QPBRN59u0JNhAK iaTqIezuSGbV90odonKoSTWpUewQOaPsYZKPL7XrVQgXync15b3MTzcS2KQkWswxyV3r aAHU5sT53XjqoGAb0PzL6zfwqm0xKUY+IWQVHEfdSmulLcyH1RzxPi/KBRUpXn7Ky6H0 hP4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Y2QzG7+cF5G/TgmouHXzoRPEdvv/MpulqcnZ7sVXbFM=; b=XuqxRMcnWqS3s3Y9MxvwvxkWR16P3U9f/+a8F+LfDYT06SqcrY2z9cALUZDWXJ8YM3 ETf4W92otUCUYuVPdHcglspQjIBvDXGTblsPDRYXEANhu/uL/wUSnuG78PTknlWxXwJe ePVFQXgfKtnPWLAHgdBNDJ8oz/WvmGHGoV8W3XSLudu4KpniX7bj5QwS6exSzcYvXKgA Isd4+ruMDsAKz7b3B7b7GXMMg2V+C3kLvNbdrzGUBVG55e4ft9HI2sNPeDp8Fslhd4Rq uB5uWD60kgB0r5YeDwk9uCuptxO2vVQWrgwSW2YYd9UzdYkVydBFENj4zLW8wrGNBR58 itVQ== X-Gm-Message-State: AOAM531H1/0LCX9s+o8egFvNM3qpYeXwc07FcCXrs3rLIYeekDax653A 4r4YvkoL9Hn+1rDje4TVlbRS4l4DCP7GizIz X-Google-Smtp-Source: ABdhPJwgs8aM2zZDenzJyZXrtRVjwkM/qICiwaD6ZPcdWAoIF84UT6hhOsXSNWyVIQqBylAMmAfMlw== X-Received: by 2002:a1c:1dd3:: with SMTP id d202mr20119646wmd.10.1624292941907; Mon, 21 Jun 2021 09:29:01 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 28/57] target/arm: Implement MVE VHADD, VHSUB Date: Mon, 21 Jun 2021 17:28:04 +0100 Message-Id: <20210621162833.32535-29-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210621162833.32535-1-peter.maydell@linaro.org> References: <20210621162833.32535-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::329; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x329.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Implement MVE VHADD and VHSUB insns, which perform an addition or subtraction and then halve the result. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20210617121628.20116-18-peter.maydell@linaro.org --- target/arm/helper-mve.h | 14 ++++++++++++++ target/arm/mve.decode | 5 +++++ target/arm/mve_helper.c | 25 +++++++++++++++++++++++++ target/arm/translate-mve.c | 4 ++++ 4 files changed, 48 insertions(+) diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index 5cd4e7d736d..02bef53ed41 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -116,3 +116,17 @@ DEF_HELPER_FLAGS_4(mve_vabdsw, TCG_CALL_NO_WG, void, e= nv, 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) + +DEF_HELPER_FLAGS_4(mve_vhaddsb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhaddsh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhaddsw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhaddub, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhadduh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhadduw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) + +DEF_HELPER_FLAGS_4(mve_vhsubsb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhsubsh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhsubsw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhsubub, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhsubuh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhsubuw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index 087d3db2a31..241d1c44c19 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -96,6 +96,11 @@ 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 =20 +VHADD_S 111 0 1111 0 . .. ... 0 ... 0 0000 . 1 . 0 ... 0 @2op +VHADD_U 111 1 1111 0 . .. ... 0 ... 0 0000 . 1 . 0 ... 0 @2op +VHSUB_S 111 0 1111 0 . .. ... 0 ... 0 0010 . 1 . 0 ... 0 @2op +VHSUB_U 111 1 1111 0 . .. ... 0 ... 0 0010 . 1 . 0 ... 0 @2op + # Vector miscellaneous =20 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 63eacd7349b..835832fdf69 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -429,3 +429,28 @@ DO_2OP_U(vminu, DO_MIN) =20 DO_2OP_S(vabds, DO_ABD) DO_2OP_U(vabdu, DO_ABD) + +static inline uint32_t do_vhadd_u(uint32_t n, uint32_t m) +{ + return ((uint64_t)n + m) >> 1; +} + +static inline int32_t do_vhadd_s(int32_t n, int32_t m) +{ + return ((int64_t)n + m) >> 1; +} + +static inline uint32_t do_vhsub_u(uint32_t n, uint32_t m) +{ + return ((uint64_t)n - m) >> 1; +} + +static inline int32_t do_vhsub_s(int32_t n, int32_t m) +{ + return ((int64_t)n - m) >> 1; +} + +DO_2OP_S(vhadds, do_vhadd_s) +DO_2OP_U(vhaddu, do_vhadd_u) +DO_2OP_S(vhsubs, do_vhsub_s) +DO_2OP_U(vhsubu, do_vhsub_u) diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index 041fd1ef14f..f593d3693b9 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -357,3 +357,7 @@ DO_2OP(VMIN_S, vmins) DO_2OP(VMIN_U, vminu) DO_2OP(VABD_S, vabds) DO_2OP(VABD_U, vabdu) +DO_2OP(VHADD_S, vhadds) +DO_2OP(VHADD_U, vhaddu) +DO_2OP(VHSUB_S, vhsubs) +DO_2OP(VHSUB_U, vhsubu) --=20 2.20.1