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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id m4sm5075931wml.28.2021.08.25.03.35.58 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Aug 2021 03:35:59 -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=NJusvALsxx1wfuPxnrHFhdTt2/bgniw0YypUZm+dSAo=; b=Pw1AJWwYGUNji5T9gB9E8YQyfZyTvckcd4SVR4xw7E5xwGiUDh4IaosrpeP+htU2TQ V5bFemN1NJ73jsL45Qk4HSEPw6SPY70VGpyF+VpJnllC/24QBcywjNqJcO9//HjLz7Jm K4/BbNdXFAwZ4ZfwzKi3JWW/2jJQtAu5/+CaySC1fJq2f9gsLvX57D+08igyPQfJUl0W YAc0zEiR+H5EXY58miKQdngFN8ntiMc2ZOs6iXT4vAqFBga0fzshwtRq4jUNsVt2gz/b YTousboD29g8lEGaxtOZBIcSoLRtHw8wua/KjUctwEG80fQgt6aUCwMmGrWJE7OnLoxY 2SDA== 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=NJusvALsxx1wfuPxnrHFhdTt2/bgniw0YypUZm+dSAo=; b=kN3VnVOiQb8SFZwJD+Pb9ZXgFCz2OOZTqECBu2x4rBpSqRU7TgAH2aq5KpOQbR1p62 ET1y9O3TsupPeVg9PoM0glZwgPhonm9ADvBQLq3m9C4aBC6FH5AtrIRoH5jngW1AW9km zHhm+b2auDTSEuDfXgvHptURcH4eeIlXgloEg48xVtqjgBwvGtPI/GpOik75W7dMOtdx pvf2vbams7SMeG5tY1acfSkT5HzRtj2A4sH9c3SsMUcqIgI19wH0bsRHprOIbz/lV0jC 6dNfaA0nOWM+7RzXO6yvcToIcjJ02aaI6g0kjhjjEfVEn+yVKAQkzB4p8Aagje5Oy6zL mJ6g== X-Gm-Message-State: AOAM533gK8id50I5yZa8OS123FBIi6q/iSAcNP7hmbez9m4JB5fmqGjJ U1j2ubbGO5jM8sZk6P+SqbfzZxzSk2arSw== X-Google-Smtp-Source: ABdhPJwKpRKTXgngdhNVx9N+UYMzsme4/OAkhAMS/FR5/UsfiWmgYoMYeF0QdqOvvC7evsUvKObjLA== X-Received: by 2002:a7b:c387:: with SMTP id s7mr8369424wmj.26.1629887759392; Wed, 25 Aug 2021 03:35:59 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 26/44] target/arm: Implement MVE VMLA Date: Wed, 25 Aug 2021 11:35:16 +0100 Message-Id: <20210825103534.6936-27-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210825103534.6936-1-peter.maydell@linaro.org> References: <20210825103534.6936-1-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::32c; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32c.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) X-ZM-MESSAGEID: 1629889004249100001 Content-Type: text/plain; charset="utf-8" Implement the MVE VMLA insn, which multiplies a vector by a scalar and accumulates into another vector. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/helper-mve.h | 4 ++++ target/arm/mve.decode | 1 + target/arm/mve_helper.c | 5 +++++ target/arm/translate-mve.c | 1 + 4 files changed, 11 insertions(+) diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index 34d644a519c..328e31e2665 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -367,6 +367,10 @@ DEF_HELPER_FLAGS_4(mve_vqdmullb_scalarw, TCG_CALL_NO_W= G, void, env, ptr, ptr, i3 DEF_HELPER_FLAGS_4(mve_vqdmullt_scalarh, TCG_CALL_NO_WG, void, env, ptr, p= tr, i32) DEF_HELPER_FLAGS_4(mve_vqdmullt_scalarw, TCG_CALL_NO_WG, void, env, ptr, p= tr, i32) =20 +DEF_HELPER_FLAGS_4(mve_vmlab, TCG_CALL_NO_WG, void, env, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(mve_vmlah, TCG_CALL_NO_WG, void, env, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(mve_vmlaw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32) + DEF_HELPER_FLAGS_4(mve_vmlasb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32) DEF_HELPER_FLAGS_4(mve_vmlash, TCG_CALL_NO_WG, void, env, ptr, ptr, i32) DEF_HELPER_FLAGS_4(mve_vmlasw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index cec5a51b0ee..cd9c806a11c 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -413,6 +413,7 @@ VQDMULH_scalar 1110 1110 0 . .. ... 1 ... 0 1110 . 11= 0 .... @2scalar VQRDMULH_scalar 1111 1110 0 . .. ... 1 ... 0 1110 . 110 .... @2scalar =20 # The U bit (28) is don't-care because it does not affect the result +VMLA 111- 1110 0 . .. ... 1 ... 0 1110 . 100 .... @2scalar VMLAS 111- 1110 0 . .. ... 1 ... 1 1110 . 100 .... @2scalar =20 # Vector add across vector diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index ea206c932bc..8004b9bb728 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -1008,6 +1008,11 @@ DO_2OP_SAT_SCALAR(vqrdmulh_scalarb, 1, int8_t, DO_QR= DMULH_B) DO_2OP_SAT_SCALAR(vqrdmulh_scalarh, 2, int16_t, DO_QRDMULH_H) DO_2OP_SAT_SCALAR(vqrdmulh_scalarw, 4, int32_t, DO_QRDMULH_W) =20 +/* Vector by scalar plus vector */ +#define DO_VMLA(D, N, M) ((N) * (M) + (D)) + +DO_2OP_ACC_SCALAR_U(vmla, DO_VMLA) + /* Vector by vector plus scalar */ #define DO_VMLAS(D, N, M) ((N) * (D) + (M)) =20 diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index 92ed1be83e7..f8899af352d 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -620,6 +620,7 @@ DO_2OP_SCALAR(VQSUB_U_scalar, vqsubu_scalar) DO_2OP_SCALAR(VQDMULH_scalar, vqdmulh_scalar) DO_2OP_SCALAR(VQRDMULH_scalar, vqrdmulh_scalar) DO_2OP_SCALAR(VBRSR, vbrsr) +DO_2OP_SCALAR(VMLA, vmla) DO_2OP_SCALAR(VMLAS, vmlas) =20 static bool trans_VQDMULLB_scalar(DisasContext *s, arg_2scalar *a) --=20 2.20.1