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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id a1sm6961970wra.63.2021.06.17.05.17.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jun 2021 05:17:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=8RYIo5K368DSlxpyx3pNvK6Qv+epOoH2/vrkH96H++E=; b=kOZ06FnfcGaYIcZ5h3AQ/vsEfwf3Wn+7nmNs1BWfYc7GIbI69+ioNGE+uEa5OqwENT ImfCmGtBIZLU56WNTTBuyVl75AFLkYX3ol0ZFmhM9cYoH8TDsAtPUBQFG7ntf5xNxqAs xEpH3rS9iVcLEJjp3ZkdM4ERta86ybFATKnvdXq9+xu8Q2kkC6QJzQQ1MCE93cGaRvp4 oAN1ps1VV1pMiJhu7bYRXsEwWKJxqZbgdDdmebPcL8EGYC7UClr1SXEeuqumBar7mcJx T801z4OjkjIY/2TzoFK7ZZVELlLeac0SjZPnqIrTVfEQPARqu477+yGyBGFI2J3J3klJ sUJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=8RYIo5K368DSlxpyx3pNvK6Qv+epOoH2/vrkH96H++E=; b=t6inbxYcVjq3XJIP0P+YglwfQaLHCq7U+1Bq7Ldr+Uu9k0L9MaDed0m5tuMXupk0el 4eOLO3hwRxMmwHLjKzBTLyvRuuDorbIjQTb4QVWtZvtvWNQFr3ut2+HUh01Blk/869wG N8Y2Udk4BOP3+P/BjOy7YMLHzronuHjxp0lqTQy9atyLrdo3dCsD+FhINK6Pn7PeDtFG 2WDqvTr5DdydGA2cpm4Bp+/7mxskmsZxclxU69JFY92Z23qGXSskZ4DyQVhLDQR3LhrL mZSnx7FpZblIB2kig0yKXCVryjrq1OIRETuliN5iuyFoma3UMuquM4kHfLCzjhamwpsv kS9g== X-Gm-Message-State: AOAM5317wvhrkYHIhrq2FjYMzgoyM3rOxO5O9qmYhp2K5j2Ki3bAzJCg o3INVdw90C7OniidNOD9VNxJZQ== X-Google-Smtp-Source: ABdhPJwWX6jV/Uxf//15n+7ak5LoY1tFQinoIj02GnKqDIOX6kxs8o+2tnjJiobvGLdR/Ru8ruc+mA== X-Received: by 2002:adf:d1e4:: with SMTP id g4mr5306051wrd.405.1623932221159; Thu, 17 Jun 2021 05:17:01 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v3 39/44] target/arm: Implement MVE VRHADD Date: Thu, 17 Jun 2021 13:16:23 +0100 Message-Id: <20210617121628.20116-40-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210617121628.20116-1-peter.maydell@linaro.org> References: <20210617121628.20116-1-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::430; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x430.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: , Cc: Richard Henderson 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 the MVE VRHADD insn, which performs a rounded halving addition. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- 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 34a46ed38ee..2f0cf99359a 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -238,6 +238,14 @@ 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) =20 +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 =20 +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 =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 11eb99894bc..66002f4ca4a 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -546,6 +546,12 @@ DO_2OP_U(vshlu, DO_VSHLU) DO_2OP_S(vrshls, DO_VRSHLS) DO_2OP_U(vrshlu, DO_VRSHLU) =20 +#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, bo= ol *s) { if (val > max) { diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index 05789a19812..febf644079c 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -418,6 +418,8 @@ 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) =20 static bool trans_VQDMULLB(DisasContext *s, arg_2op *a) { --=20 2.20.1