From nobody Mon Feb 9 14:15:55 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1541094385424113.4705796650386; Thu, 1 Nov 2018 10:46:25 -0700 (PDT) Received: from localhost ([::1]:43300 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gIH2y-0005i5-Gw for importer@patchew.org; Thu, 01 Nov 2018 13:46:20 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41254) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gIGsq-00034q-B6 for qemu-devel@nongnu.org; Thu, 01 Nov 2018 13:35:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gIGsl-00026j-7c for qemu-devel@nongnu.org; Thu, 01 Nov 2018 13:35:52 -0400 Received: from ste-pvt-msa1.bahnhof.se ([213.80.101.70]:56919) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gIGsk-00020M-OY for qemu-devel@nongnu.org; Thu, 01 Nov 2018 13:35:46 -0400 Received: from localhost (localhost [127.0.0.1]) by ste-pvt-msa1.bahnhof.se (Postfix) with ESMTP id B42D840842; Thu, 1 Nov 2018 18:35:40 +0100 (CET) Received: from ste-pvt-msa1.bahnhof.se ([127.0.0.1]) by localhost (ste-pvt-msa1.bahnhof.se [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xYt6FW_yqvTk; Thu, 1 Nov 2018 18:35:30 +0100 (CET) Received: from localhost (h-41-252.A163.priv.bahnhof.se [46.59.41.252]) (Authenticated sender: mb547485) by ste-pvt-msa1.bahnhof.se (Postfix) with ESMTPA id 67B79407D8; Thu, 1 Nov 2018 18:35:30 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at bahnhof.se Date: Thu, 1 Nov 2018 18:35:30 +0100 From: Fredrik Noring To: Aleksandar Markovic , Aurelien Jarno , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Message-ID: <2fd866428431025f3b2e9d6c7240e37ab6ae055c.1541093316.git.noring@nocrew.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 213.80.101.70 Subject: [Qemu-devel] [PATCH v2 07/12] tests/tcg/mips: Test R5900 three-operand MADD1 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?Q?J=C3=BCrgen?= Urban , qemu-devel@nongnu.org, "Maciej W. Rozycki" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Fredrik Noring Reviewed-by: Aleksandar Markovic --- tests/tcg/mips/mipsr5900/madd.c | 43 +++++++++++++++++++++++++++++---- 1 file changed, 38 insertions(+), 5 deletions(-) diff --git a/tests/tcg/mips/mipsr5900/madd.c b/tests/tcg/mips/mipsr5900/mad= d.c index 9ad2ea6dbb..f6f215e1c3 100644 --- a/tests/tcg/mips/mipsr5900/madd.c +++ b/tests/tcg/mips/mipsr5900/madd.c @@ -1,5 +1,5 @@ /* - * Test R5900-specific three-operand MADD. + * Test R5900-specific three-operand MADD and MADD1. */ =20 #include @@ -29,12 +29,45 @@ int64_t madd(int64_t a, int32_t rs, int32_t rt) return r; } =20 +int64_t madd1(int64_t a, int32_t rs, int32_t rt) +{ + int32_t lo =3D a; + int32_t hi =3D a >> 32; + int32_t rd; + int64_t r; + + __asm__ __volatile__ ( + " mtlo1 %5\n" + " mthi1 %6\n" + " madd1 %0, %3, %4\n" + " mflo1 %1\n" + " mfhi1 %2\n" + : "=3Dr" (rd), "=3Dr" (lo), "=3Dr" (hi) + : "r" (rs), "r" (rt), "r" (lo), "r" (hi)); + r =3D ((int64_t)hi << 32) | (uint32_t)lo; + + assert(a + (int64_t)rs * rt =3D=3D r); + assert(rd =3D=3D lo); + + return r; +} + +static int64_t madd_variants(int64_t a, int32_t rs, int32_t rt) +{ + int64_t rd =3D madd(a, rs, rt); + int64_t rd1 =3D madd1(a, rs, rt); + + assert(rd =3D=3D rd1); + + return rd; +} + static void verify_madd(int64_t a, int32_t rs, int32_t rt, int64_t expecte= d) { - assert(madd(a, rs, rt) =3D=3D expected); - assert(madd(a, -rs, rt) =3D=3D a + a - expected); - assert(madd(a, rs, -rt) =3D=3D a + a - expected); - assert(madd(a, -rs, -rt) =3D=3D expected); + assert(madd_variants(a, rs, rt) =3D=3D expected); + assert(madd_variants(a, -rs, rt) =3D=3D a + a - expected); + assert(madd_variants(a, rs, -rt) =3D=3D a + a - expected); + assert(madd_variants(a, -rs, -rt) =3D=3D expected); } =20 int main() --=20 2.18.1