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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id m4sm5075931wml.28.2021.08.25.03.36.00 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Aug 2021 03:36:00 -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=2WneyhHKqIU7XDRl0YOpayRXl21coDrx+TpbKifug4Y=; b=DsTzT33ZOE1ztNhTKAWKwUiTomASiAOI/o3q30zeL8zzDI0m9pbbz5PRxD8clsjZ3i 9EvJUw8WLX9mOposq8K94LXbclyztUwKzYjxCygUqEpUgvKnCzjo1fH0ukGcUhqk2cFk UDnIBe6SOp6iHrrEJGP2+cng6yRq3y0NorQ0OFNT9yyCQGVv9GBaDps7ZDNDTJ+KqzaC Rmy0mvQujUMPKhZEn1InsbeIiV2yO356wsUhzyo87q9voHiOQkGnP505PDd/yULKWo/v UG3GH/pPrS2pORYvN2w4DfLqBW601mNgepfIW8glUYXs8qOw8BypWG88rqUBtxnSiYKO osBA== 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=2WneyhHKqIU7XDRl0YOpayRXl21coDrx+TpbKifug4Y=; b=YW4KFCGKYU4trMUCwM+oSwsVyR52jt7G5RxjDjgbishaBuyfyttO9gs7m+Q5rQtkxp Ax3TMzdrLlNvz/p8kzCYyQCwgrd3HdgtsFeX4pl+6/OB2h7U/YqIqwTxEA0p6fA3GWbn n4Ald02runi7wRjZra0SYillxJpD+MLi+oNG2FnJeLrEViSP+FjiyUdRhUmxvgkMajrn igL7kSKtLKcSJcgRhs+BBq+9U9MmsmjWTdbVL5zq2o1HnULklgj/3ZOOvU1pCeBLVHbz t0O2YYza1YRR05ygGjr0YS3caHZPDnlriOWJB5dWIep2nvFhpzVnLUpNR0Gu2AFsshuw 6mUQ== X-Gm-Message-State: AOAM533ERJR9muVXXaYTo3WMyN9B8myeOLgEpPA5WKDS9W5lkX0klW80 ePoGEWzDH8vxS1P2EphL3wZx9EdSTUgJfQ== X-Google-Smtp-Source: ABdhPJyWUW9O80nwGrjLX/tpdQAJrn8qeyULm3O53LRVqTtTzf9Prb7qKYMDODK4AgdcGWUJfWB1EQ== X-Received: by 2002:a1c:1d1:: with SMTP id 200mr8394382wmb.53.1629887760800; Wed, 25 Aug 2021 03:36:00 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 28/44] target/arm: Implement MVE VQABS, VQNEG Date: Wed, 25 Aug 2021 11:35:18 +0100 Message-Id: <20210825103534.6936-29-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::336; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x336.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: 1629889092333100001 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 2f54396b2df..f9345bfafc7 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -76,6 +76,14 @@ 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 7a6de3991b6..a05b882f9d9 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 a69fcd2243c..6539012ddd8 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -2200,3 +2200,40 @@ 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 e3e115c1aa9..f2213ec8cde 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