From patchwork Sun Oct 21 15:43:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fredrik Noring X-Patchwork-Id: 987358 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=nocrew.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42dPXQ4W47z9s5c for ; Mon, 22 Oct 2018 03:01:26 +1100 (AEDT) Received: from localhost ([::1]:59418 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEGAN-0007J0-RB for incoming@patchwork.ozlabs.org; Sun, 21 Oct 2018 12:01:23 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47985) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEFtd-0000kk-Lr for qemu-devel@nongnu.org; Sun, 21 Oct 2018 11:44:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gEFta-0006x0-DY for qemu-devel@nongnu.org; Sun, 21 Oct 2018 11:44:05 -0400 Received: from pio-pvt-msa1.bahnhof.se ([79.136.2.40]:35393) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gEFta-0006wY-5h for qemu-devel@nongnu.org; Sun, 21 Oct 2018 11:44:02 -0400 Received: from localhost (localhost [127.0.0.1]) by pio-pvt-msa1.bahnhof.se (Postfix) with ESMTP id F0DE03F3A9; Sun, 21 Oct 2018 17:43:55 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at bahnhof.se Received: from pio-pvt-msa1.bahnhof.se ([127.0.0.1]) by localhost (pio-pvt-msa1.bahnhof.se [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Gl7TTM2t00zR; Sun, 21 Oct 2018 17:43:55 +0200 (CEST) Received: from localhost (h-41-252.A163.priv.bahnhof.se [46.59.41.252]) (Authenticated sender: mb547485) by pio-pvt-msa1.bahnhof.se (Postfix) with ESMTPA id 199743F360; Sun, 21 Oct 2018 17:43:54 +0200 (CEST) Date: Sun, 21 Oct 2018 17:43:54 +0200 From: Fredrik Noring To: Aleksandar Markovic , "Maciej W. Rozycki" , Philippe =?utf-8?q?Mathieu-Daud=C3=A9?= Message-ID: 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: 79.136.2.40 Subject: [Qemu-devel] [PATCH v8 36/38] tests/tcg/mips: Test R5900 three-operand MADDU1 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 , Richard Henderson , qemu-devel@nongnu.org, =?utf-8?b?SsO8?= =?utf-8?q?rgen?= Urban , Petar Jovanovic , Aurelien Jarno Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Fredrik Noring --- tests/tcg/mips/mipsr5900/maddu.c | 37 ++++++++++++++++++++++++++++++-- 1 file changed, 35 insertions(+), 2 deletions(-) diff --git a/tests/tcg/mips/mipsr5900/maddu.c b/tests/tcg/mips/mipsr5900/maddu.c index e4e552102d..30936fb2b4 100644 --- a/tests/tcg/mips/mipsr5900/maddu.c +++ b/tests/tcg/mips/mipsr5900/maddu.c @@ -1,5 +1,5 @@ /* - * Test R5900-specific three-operand MADDU. + * Test R5900-specific three-operand MADDU and MADDU1. */ #include @@ -29,9 +29,42 @@ uint64_t maddu(uint64_t a, uint32_t rs, uint32_t rt) return r; } +uint64_t maddu1(uint64_t a, uint32_t rs, uint32_t rt) +{ + uint32_t lo = a; + uint32_t hi = a >> 32; + uint32_t rd; + uint64_t r; + + __asm__ __volatile__ ( + " mtlo1 %5\n" + " mthi1 %6\n" + " maddu1 %0, %3, %4\n" + " mflo1 %1\n" + " mfhi1 %2\n" + : "=r" (rd), "=r" (lo), "=r" (hi) + : "r" (rs), "r" (rt), "r" (lo), "r" (hi)); + r = ((uint64_t)hi << 32) | (uint32_t)lo; + + assert(a + (uint64_t)rs * rt == r); + assert(rd == lo); + + return r; +} + +static int64_t maddu_variants(int64_t a, int32_t rs, int32_t rt) +{ + int64_t rd = maddu(a, rs, rt); + int64_t rd1 = maddu1(a, rs, rt); + + assert(rd == rd1); + + return rd; +} + int main() { - assert(maddu(13, 17, 19) == 336); + assert(maddu_variants(13, 17, 19) == 336); return 0; }