From nobody Thu Nov 6 10:30:36 2025 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 1540389572468334.18262651296914; Wed, 24 Oct 2018 06:59:32 -0700 (PDT) Received: from localhost ([::1]:48609 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gFJh1-0005PB-7I for importer@patchew.org; Wed, 24 Oct 2018 09:59:27 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60157) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gFJQd-0005AT-6B for qemu-devel@nongnu.org; Wed, 24 Oct 2018 09:42:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gFJQY-0001zZ-Rw for qemu-devel@nongnu.org; Wed, 24 Oct 2018 09:42:30 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:49960 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gFJQY-0001se-Fi for qemu-devel@nongnu.org; Wed, 24 Oct 2018 09:42:26 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 3B36F1A452F; Wed, 24 Oct 2018 15:40:55 +0200 (CEST) Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.13.43]) by mail.rt-rk.com (Postfix) with ESMTPSA id E11E01A458E; Wed, 24 Oct 2018 15:40:54 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Wed, 24 Oct 2018 15:40:39 +0200 Message-Id: <1540388447-27062-26-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1540388447-27062-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1540388447-27062-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 89.216.37.149 Subject: [Qemu-devel] [PULL v2 25/33] tests/tcg/mips: Add tests for R5900 three-operand MULTU1 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: peter.maydell@linaro.org, amarkovic@wavecomp.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Fredrik Noring Add a test for MULTU1. Reviewed-by: Aleksandar Markovic Signed-off-by: Fredrik Noring Signed-off-by: Aleksandar Markovic --- tests/tcg/mips/mipsr5900/multu.c | 43 +++++++++++++++++++++++++++++++++---= ---- 1 file changed, 36 insertions(+), 7 deletions(-) diff --git a/tests/tcg/mips/mipsr5900/multu.c b/tests/tcg/mips/mipsr5900/mu= ltu.c index 3a59675..f043904 100644 --- a/tests/tcg/mips/mipsr5900/multu.c +++ b/tests/tcg/mips/mipsr5900/multu.c @@ -1,5 +1,5 @@ /* - * Test R5900-specific three-operand MULTU. + * Test R5900-specific three-operand MULTU and MULTU1. */ =20 #include @@ -25,15 +25,44 @@ static uint64_t multu(uint32_t rs, uint32_t rt) return r; } =20 +static uint64_t multu1(uint32_t rs, uint32_t rt) +{ + uint32_t rd, lo, hi; + uint64_t r; + + __asm__ __volatile__ ( + " multu1 %0, %3, %4\n" + " mflo1 %1\n" + " mfhi1 %2\n" + : "=3Dr" (rd), "=3Dr" (lo), "=3Dr" (hi) + : "r" (rs), "r" (rt)); + r =3D ((uint64_t)hi << 32) | (uint32_t)lo; + + assert((uint64_t)rs * rt =3D=3D r); + assert(rd =3D=3D lo); + + return r; +} + +static uint64_t multu_variants(uint32_t rs, uint32_t rt) +{ + uint64_t rd =3D multu(rs, rt); + uint64_t rd1 =3D multu1(rs, rt); + + assert(rd =3D=3D rd1); + + return rd; +} + int main() { - assert(multu(17, 19) =3D=3D 323); - assert(multu(77773, 99991) =3D=3D 7776600043); - assert(multu(12207031, 305175781) =3D=3D 3725290219116211); + assert(multu_variants(17, 19) =3D=3D 323); + assert(multu_variants(77773, 99991) =3D=3D 7776600043); + assert(multu_variants(12207031, 305175781) =3D=3D 3725290219116211); =20 - assert(multu(0x80000000U, 0x7FFFFFFF) =3D=3D 0x3FFFFFFF80000000); - assert(multu(0x80000000U, 0x80000000U) =3D=3D 0x4000000000000000); - assert(multu(0xFFFFFFFFU, 0xFFFFFFFFU) =3D=3D 0xFFFFFFFE00000001U); + assert(multu_variants(0x80000000U, 0x7FFFFFFF) =3D=3D 0x3FFFFFFF800000= 00); + assert(multu_variants(0x80000000U, 0x80000000U) =3D=3D 0x400000000000= 0000); + assert(multu_variants(0xFFFFFFFFU, 0xFFFFFFFFU) =3D=3D 0xFFFFFFFE0000= 0001U); =20 return 0; } --=20 2.7.4