From patchwork Mon Oct 22 12:57:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 10652103 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BE49B90 for ; Mon, 22 Oct 2018 13:22:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B56A028AAE for ; Mon, 22 Oct 2018 13:22:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A890528AB1; Mon, 22 Oct 2018 13:22:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 39BDA28AAE for ; Mon, 22 Oct 2018 13:22:54 +0000 (UTC) Received: from localhost ([::1]:35053 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEaAW-0000w0-PE for patchwork-qemu-devel@patchwork.kernel.org; Mon, 22 Oct 2018 09:22:52 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46048) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEZmq-0000Bq-5z for qemu-devel@nongnu.org; Mon, 22 Oct 2018 08:58:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gEZmp-0008Cf-2j for qemu-devel@nongnu.org; Mon, 22 Oct 2018 08:58:24 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:33459 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 1gEZmk-00084y-On for qemu-devel@nongnu.org; Mon, 22 Oct 2018 08:58:20 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 772BE1A4134; Mon, 22 Oct 2018 14:58:04 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.13.43]) by mail.rt-rk.com (Postfix) with ESMTPSA id 28B7F1A219A; Mon, 22 Oct 2018 14:58:04 +0200 (CEST) From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Mon, 22 Oct 2018 14:57:47 +0200 Message-Id: <1540213077-15211-25-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1540213077-15211-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1540213077-15211-1-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 24/34] tests/tcg/mips: Test R5900 three-operand MULTU 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Fredrik Noring Add a test for MULTU. Reviewed-by: Aleksandar Markovic Signed-off-by: Fredrik Noring Signed-off-by: Aleksandar Markovic --- tests/tcg/mips/mipsr5900/Makefile | 1 + tests/tcg/mips/mipsr5900/multu.c | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+) create mode 100644 tests/tcg/mips/mipsr5900/multu.c diff --git a/tests/tcg/mips/mipsr5900/Makefile b/tests/tcg/mips/mipsr5900/Makefile index 6757168..b3ddb9a 100644 --- a/tests/tcg/mips/mipsr5900/Makefile +++ b/tests/tcg/mips/mipsr5900/Makefile @@ -9,6 +9,7 @@ CC = $(CROSS)gcc CFLAGS = -Wall -mabi=32 -march=r5900 -static TESTCASES = mult.tst +TESTCASES += multu.tst all: $(TESTCASES) diff --git a/tests/tcg/mips/mipsr5900/multu.c b/tests/tcg/mips/mipsr5900/multu.c new file mode 100644 index 0000000..3a59675 --- /dev/null +++ b/tests/tcg/mips/mipsr5900/multu.c @@ -0,0 +1,39 @@ +/* + * Test R5900-specific three-operand MULTU. + */ + +#include +#include +#include + +static uint64_t multu(uint32_t rs, uint32_t rt) +{ + uint32_t rd, lo, hi; + uint64_t r; + + __asm__ __volatile__ ( + " multu %0, %3, %4\n" + " mflo %1\n" + " mfhi %2\n" + : "=r" (rd), "=r" (lo), "=r" (hi) + : "r" (rs), "r" (rt)); + r = ((uint64_t)hi << 32) | (uint32_t)lo; + + assert((uint64_t)rs * rt == r); + assert(rd == lo); + + return r; +} + +int main() +{ + assert(multu(17, 19) == 323); + assert(multu(77773, 99991) == 7776600043); + assert(multu(12207031, 305175781) == 3725290219116211); + + assert(multu(0x80000000U, 0x7FFFFFFF) == 0x3FFFFFFF80000000); + assert(multu(0x80000000U, 0x80000000U) == 0x4000000000000000); + assert(multu(0xFFFFFFFFU, 0xFFFFFFFFU) == 0xFFFFFFFE00000001U); + + return 0; +}