From nobody Wed Aug 26 01:48:53 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1779427423; cv=none; d=zohomail.com; s=zohoarc; b=FmL67LErHs4lD+uDpHXVPvDDlK8KM3PI/AM2xCgMXVVz9Y/Pbo36+flmZ0cC3cShe8nhZQOR4A+gkluh+gdZ7VzZhl1Py0ltto059RPNN9eWDVK610AMzH3zD4f1uVqIMPWlOWk559QJMbkyXqFIaVBKzkzDGsbffvcY3XEBFFM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1779427423; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=mu+lYa+gqNWB2nD7pgrIYlNv9/RobAyR2gn9reCR67g=; b=VyyOdSk8xYKo6bJdQFtOjlh/zS9Kq0IgqNmayjzX/HOEjif6lcD0rF1zlDX1dWDiP7Yluha3HAaPnVKpVJVXrJQ8MK8ywFwiK9JgKIdvxZJb5Vb2zj6QWv93IwqKwOJwSHdQsZGm0va7IIEgAh0uS5vodTc11h8LATfzNRjq25M= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1779427423156486.0440187661435; Thu, 21 May 2026 22:23:43 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wQIJZ-0003T0-45; Fri, 22 May 2026 01:20:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wQIJQ-0002zk-0T for qemu-devel@nongnu.org; Fri, 22 May 2026 01:20:45 -0400 Received: from mail-oi1-x230.google.com ([2607:f8b0:4864:20::230]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1wQIJO-0002Im-0u for qemu-devel@nongnu.org; Fri, 22 May 2026 01:20:43 -0400 Received: by mail-oi1-x230.google.com with SMTP id 5614622812f47-4824176bbbeso2391312b6e.0 for ; Thu, 21 May 2026 22:20:41 -0700 (PDT) Received: from mac.localdomain (184-96-131-78.hlrn.qwest.net. [184.96.131.78]) by smtp.gmail.com with ESMTPSA id 5614622812f47-4855476ab77sm59690b6e.17.2026.05.21.22.20.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 May 2026 22:20:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1779427241; x=1780032041; darn=nongnu.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=mu+lYa+gqNWB2nD7pgrIYlNv9/RobAyR2gn9reCR67g=; b=CwhJKrwmPTytv99bCtTKw4RalpBETRQlyj8z9vzi5LdJoPFL5LmMmT0MosmRKd3tJn YCWNKC0c4bPjJygqykytG0P5y+0/mctJqdlPflB4uO+n8+EWLHtogmPaJvelG9dPjZIA ySgI3hBxmr/tsJQnZWHCplkjybJ2WsZNzHsk+CX2ZlLspUZx9nX9h8ubK14rVQD+R28p KxtRr7Kcj6gfv4KY4r66gM0eaR0VjG249mZUGPZLnk4BnMjrKhxEdsN1qh4RBm7C4Xid znZtG0CBU0raDbOFIkDT53RosPZ7H5u7DAxUJZ0Rp4BRU5/CI3oDG6f47zN1VKXiByJq L+Lg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779427241; x=1780032041; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=mu+lYa+gqNWB2nD7pgrIYlNv9/RobAyR2gn9reCR67g=; b=Sr7uyigIMGJWTOOPXw8C4X8+1hpXCtw3TxAWoIx6cUnpBwW7xFRaeDFhGj2jJweFXC ClXyWnNzRhdsBZeK4n3bXSC4s1ZakTzxYrmvHyG/eCMuM1lB+1iInd0TgJpu8OsJTzn/ f4X6DmOwBjNl1AEWBUvrEMVtorL2PZRF6O3v9M9iRw+PJ/dJbtF9fNB8psMfdlGbOAco cttvMPuS/Q/bLoA7blZVQ48ilGlRuuI+pjPiH2Ls70DGnU0g72xmZh7wcXX8UYEkWnpW OwXjbAhG+c6+5PAFecat80qXn5BFpofberh2vbYT4GKd+/m5ObzqUeflrvUPj4JAKY4h p7lg== X-Gm-Message-State: AOJu0Yw1X7rxDVtIhGxc9F7yBCO6VAuDNyqckwPs9PpDOmI1lCJLL0lI gdHxwooZaP16oCFG08bVVCQ2eLiheuHpwyDTZsePfv/TBnASNQd2E05p X-Gm-Gg: Acq92OGyCUFoNa5GfKnCzYU6b0bxP9tLa2K3g0opGCib5UOv/fu9RSgoKsy5C6kP/EK ZKqvA2eJTl/2UKLnpmign0bPz0Vc7rhspkbLy42gAqSB0FGVgvecRhKT0PUHeXUNl3JCQk9bIEU hT5ya/Zc91U/p/4fyh2DHWOGI7IIcLvtgZ1T2epyMxztYYorIPhf1RDbwvwcjQWRQbazT4MI3It le0Ti28PvE4+Fe1Q9gYNXZ9unDBcalnIXJa2Plv68ibHZYJ0R1jZA4GOs8tntqLOBrslJSZ4BUg OwHdx5qkkjlqmkYHSHY92xmoVUutdwuuq9rEKQlKp8oOE5LKzQ9+AL3OBjQQamG3PMEvtLRHjXC mPL9lhvVUmQcXEeHlg8tbpTG0IxeQNf64290MBTljPekDjJaf14P6aB3jZL1o3sNjqSS20e3G0V /8lA0tfoQ71d5UkDXSsM8NLM0eWOkjXYKWkondOTptTT+WJcdG0YP7jP3gsvjlcaQD4Hf1ZIqK8 E/+TqfGG2BEiq36kQuUvz/0R8BVPX66lmVv3Soe9oAvBiwoIduY8S+x7FoU3M/+vgBCGBOQYdy8 A3o= X-Received: by 2002:a05:6808:c1fb:b0:480:4024:3bb with SMTP id 5614622812f47-4854a29a2cbmr1525309b6e.24.1779427240998; Thu, 21 May 2026 22:20:40 -0700 (PDT) From: James Hilliard Date: Thu, 21 May 2026 23:20:04 -0600 Subject: [PATCH v14 22/22] tests/tcg/mips: cover Octeon QMAC instructions MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260521-mips-octeon-missing-insns-v2-v14-22-fbf08e164830@gmail.com> References: <20260521-mips-octeon-missing-insns-v2-v14-0-fbf08e164830@gmail.com> In-Reply-To: <20260521-mips-octeon-missing-insns-v2-v14-0-fbf08e164830@gmail.com> To: qemu-devel@nongnu.org Cc: Laurent Vivier , Helge Deller , Pierrick Bouvier , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Jiaxun Yang , Aurelien Jarno , Aleksandar Rikalo , Huacai Chen , Richard Henderson , Paolo Bonzini , James Hilliard X-Mailer: b4 0.15.2 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=lists1p.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::230; envelope-from=james.hilliard1@gmail.com; helo=mail-oi1-x230.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1779427424320154100 Add smoke coverage for Octeon QMAC and QMACS fixed-point accumulator instruction paths. The coverage exercises normal accumulation, saturating accumulation, and the sticky saturation flag. Signed-off-by: James Hilliard Reviewed-by: Richard Henderson --- Changes v12 -> v13: - Add QMAC/QMACS smoke coverage. --- tests/tcg/mips/user/isa/octeon/octeon-insns.c | 40 +++++++++++++++++++++++= ++++ 1 file changed, 40 insertions(+) diff --git a/tests/tcg/mips/user/isa/octeon/octeon-insns.c b/tests/tcg/mips= /user/isa/octeon/octeon-insns.c index 6480c8532a..6fffc82010 100644 --- a/tests/tcg/mips/user/isa/octeon/octeon-insns.c +++ b/tests/tcg/mips/user/isa/octeon/octeon-insns.c @@ -129,6 +129,43 @@ static uint64_t octeon_vmm0(uint64_t mpl0, uint64_t p0, return rd; } =20 +static uint64_t octeon_qmac_lo(uint64_t rs, uint64_t rt, uint64_t lo) +{ + uint64_t rd; + + asm volatile( + "move $8, %[rs]\n\t" + "move $9, %[rt]\n\t" + "mtlo %[lo]\n\t" + "mthi $0\n\t" + ".word 0x710904d2\n\t" /* qmac.03 $8, $9 */ + "mflo %[rd]\n\t" + : [rd] "=3Dr" (rd) + : [rs] "r" (rs), [rt] "r" (rt), [lo] "r" (lo) + : "$8", "$9"); + + return rd; +} + +static uint64_t octeon_qmacs_state(uint64_t rs, uint64_t rt, uint64_t lo) +{ + uint64_t hi, rd; + + asm volatile( + "move $8, %[rs]\n\t" + "move $9, %[rt]\n\t" + "mtlo %[lo]\n\t" + "mthi $0\n\t" + ".word 0x71090012\n\t" /* qmacs.00 $8, $9 */ + "mfhi %[hi]\n\t" + "mflo %[rd]\n\t" + : [hi] "=3Dr" (hi), [rd] "=3Dr" (rd) + : [rs] "r" (rs), [rt] "r" (rt), [lo] "r" (lo) + : "$8", "$9"); + + return ((hi & 1) << 32) | (rd & 0xffffffff); +} + static uint64_t octeon_vmm0_zeroes_mpl1(void) { uint64_t rd; @@ -355,6 +392,9 @@ int main(void) assert(octeon_seq(0xabc, 0xdef) =3D=3D 0); assert(octeon_sne(0xabc, 0xabc) =3D=3D 0); assert(octeon_sne(0xabc, 0xdef) =3D=3D 1); + assert(octeon_qmac_lo(0x0003000000000000ULL, 2, 1) =3D=3D 13); + assert(octeon_qmacs_state(1, 1, 0x7ffffffe) =3D=3D 0x17fffffffULL); + assert(octeon_qmacs_state(0x8000, 0x8000, 0) =3D=3D 0x17fffffffULL); assert(octeon_vmulu(5, 7, 11) =3D=3D 46); assert(octeon_vmm0(5, 13, 7, 11) =3D=3D 59); assert(octeon_vmm0_zeroes_mpl1() =3D=3D 0); --=20 2.54.0