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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id j6sm9827443wrm.97.2021.07.13.06.37.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Jul 2021 06:37:48 -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=S3Nm5WPC1woG5qpBDWUMq5K5w6e5M1eP3KgH+21zZP4=; b=f/CshtQbdvfiYRqQ++ff2TFu+5bw6AxHu4Kk8v4G7/JY1OtiE5Meg6zFM5ljvyJWjE 4P7HwqKXPt+rtiTdEBJUmW2kny/t2Bxm/09ipmPp3cwFbgkW+8fZSWThmSJxz9bvlKXy VATbDZ4nr/17gBCcp/Y5sC412IaTA0c22s95h515pLgmAjKjWsgtt0IQ8BDpJk1/q0jV fAjq3POXju/Wj/U5Rt3EYs4Azh6Nox9/7NF6ys+6Tv7TYoNY2T682FlwLpXieeP6sfMr /io/jrS04Ru3Xsbcn5z29vNbzkqt/7MQ/dCfhjnlMk3vhCADlb4dAoWnaoPF5Ns6juYr 7Vsw== 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=S3Nm5WPC1woG5qpBDWUMq5K5w6e5M1eP3KgH+21zZP4=; b=pWaY7YIPXpdvfUPZT1Ku96RW5VGl4Zly7tbcU7I0v3KkEUfil93r4VSOHBJ1a3sUYx u31ReMh6vAQIYhGXQNtgZ5L6k1LAYnTuYcLrBI0gsI4eEF23m29JwkvqxwMfIaWbeF8p mkKRKhdkX+Eu2mMPDthejheUbWYRM6kvXRbrI+qe2DWH7jBki5hPhqeM1tDLoYepiFOZ je27dcCT+2KpezyOtSIP1UvsynjPJH95MDL4LhubAEKNrJpPLhM3ap/HK+tDkfRPbt3P L+1HJwcY7aWPMBiB6fSuFRwCwyIgpuzb0uJUGUJyisr5sQXKdpNWZvhayNNtQI6PurUd saGw== X-Gm-Message-State: AOAM533do5UxHtg995+0xqaRnK3YVQmz7QiWYu1FUMVMZFTxUoZ+Nv4u 6YDev4HOsBdYubhKZp+eH4xEdRn+C5ahH+R0 X-Google-Smtp-Source: ABdhPJzMh3LN+PBFhwzCH55ZZ3ji96BFwjvA9Mh3L+f8i4REW/jwH8NXt1KZq262F9ynG6lsx8XgzQ== X-Received: by 2002:adf:e3cf:: with SMTP id k15mr5739115wrm.60.1626183469359; Tue, 13 Jul 2021 06:37:49 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH for-6.2 27/34] target/arm: Implement MVE VQABS, VQNEG Date: Tue, 13 Jul 2021 14:37:19 +0100 Message-Id: <20210713133726.26842-28-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210713133726.26842-1-peter.maydell@linaro.org> References: <20210713133726.26842-1-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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1626184639819100001 Content-Type: text/plain; charset="utf-8" Implement the MVE 1-operand saturating operations VQABS and VQNEG. 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 | 37 +++++++++++++++++++++++++++++++++++++ target/arm/translate-mve.c | 2 ++ 4 files changed, 50 insertions(+) diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index e61c5d56f41..69f0474f6a3 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -80,6 +80,14 @@ DEF_HELPER_FLAGS_3(mve_vnegw, TCG_CALL_NO_WG, void, env,= ptr, ptr) DEF_HELPER_FLAGS_3(mve_vfnegh, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vfnegs, TCG_CALL_NO_WG, void, env, ptr, ptr) =20 +DEF_HELPER_FLAGS_3(mve_vqabsb, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vqabsh, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vqabsw, TCG_CALL_NO_WG, void, env, ptr, ptr) + +DEF_HELPER_FLAGS_3(mve_vqnegb, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vqnegh, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vqnegw, TCG_CALL_NO_WG, void, env, ptr, ptr) + DEF_HELPER_FLAGS_3(mve_vmovnbb, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vmovnbh, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vmovntb, TCG_CALL_NO_WG, void, env, ptr, ptr) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index 99cea8d39b6..1d38dd8dba3 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -279,6 +279,9 @@ VABS_fp 1111 1111 1 . 11 .. 01 ... 0 0111 01 .= 0 ... 0 @1op VNEG 1111 1111 1 . 11 .. 01 ... 0 0011 11 . 0 ... 0 @1op VNEG_fp 1111 1111 1 . 11 .. 01 ... 0 0111 11 . 0 ... 0 @1op =20 +VQABS 1111 1111 1 . 11 .. 00 ... 0 0111 01 . 0 ... 0 @1op +VQNEG 1111 1111 1 . 11 .. 00 ... 0 0111 11 . 0 ... 0 @1op + &vdup qd rt size # Qd is in the fields usually named Qn @vdup .... .... . . .. ... . rt:4 .... . . . . .... qd=3D%qn &v= dup diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index 1013060baeb..3b3695885ef 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -2213,3 +2213,40 @@ void HELPER(mve_vpsel)(CPUARMState *env, void *vd, v= oid *vn, void *vm) } mve_advance_vpt(env); } + +#define DO_1OP_SAT(OP, ESIZE, TYPE, FN) \ + void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm) \ + { \ + TYPE *d =3D vd, *m =3D vm; = \ + uint16_t mask =3D mve_element_mask(env); \ + unsigned e; \ + bool qc =3D false; \ + for (e =3D 0; e < 16 / ESIZE; e++, mask >>=3D ESIZE) { = \ + bool sat =3D false; \ + mergemask(&d[H##ESIZE(e)], FN(m[H##ESIZE(e)], &sat), mask); \ + qc |=3D sat & mask & 1; \ + } \ + if (qc) { \ + env->vfp.qc[0] =3D qc; \ + } \ + mve_advance_vpt(env); \ + } + +#define DO_VQABS_B(N, SATP) \ + do_sat_bhs(DO_ABS((int64_t)N), INT8_MIN, INT8_MAX, SATP) +#define DO_VQABS_H(N, SATP) \ + do_sat_bhs(DO_ABS((int64_t)N), INT16_MIN, INT16_MAX, SATP) +#define DO_VQABS_W(N, SATP) \ + do_sat_bhs(DO_ABS((int64_t)N), INT32_MIN, INT32_MAX, SATP) + +#define DO_VQNEG_B(N, SATP) do_sat_bhs(-(int64_t)N, INT8_MIN, INT8_MAX, SA= TP) +#define DO_VQNEG_H(N, SATP) do_sat_bhs(-(int64_t)N, INT16_MIN, INT16_MAX, = SATP) +#define DO_VQNEG_W(N, SATP) do_sat_bhs(-(int64_t)N, INT32_MIN, INT32_MAX, = SATP) + +DO_1OP_SAT(vqabsb, 1, int8_t, DO_VQABS_B) +DO_1OP_SAT(vqabsh, 2, int16_t, DO_VQABS_H) +DO_1OP_SAT(vqabsw, 4, int32_t, DO_VQABS_W) + +DO_1OP_SAT(vqnegb, 1, int8_t, DO_VQNEG_B) +DO_1OP_SAT(vqnegh, 2, int16_t, DO_VQNEG_H) +DO_1OP_SAT(vqnegw, 4, int32_t, DO_VQNEG_W) diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index f8b34c9ef36..59e09f58a8c 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -275,6 +275,8 @@ DO_1OP(VCLZ, vclz) DO_1OP(VCLS, vcls) DO_1OP(VABS, vabs) DO_1OP(VNEG, vneg) +DO_1OP(VQABS, vqabs) +DO_1OP(VQNEG, vqneg) =20 /* Narrowing moves: only size 0 and 1 are valid */ #define DO_VMOVN(INSN, FN) \ --=20 2.20.1