From patchwork Sun Oct 21 15:41:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fredrik Noring X-Patchwork-Id: 987357 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 42dPWz614bz9sC2 for ; Mon, 22 Oct 2018 03:01:03 +1100 (AEDT) Received: from localhost ([::1]:59402 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEGA1-00072z-Ax for incoming@patchwork.ozlabs.org; Sun, 21 Oct 2018 12:01:01 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46928) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEFra-0006YZ-4s for qemu-devel@nongnu.org; Sun, 21 Oct 2018 11:41:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gEFrX-0005ho-0V for qemu-devel@nongnu.org; Sun, 21 Oct 2018 11:41:58 -0400 Received: from pio-pvt-msa2.bahnhof.se ([79.136.2.41]:47400) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gEFrW-0005hD-PU for qemu-devel@nongnu.org; Sun, 21 Oct 2018 11:41:54 -0400 Received: from localhost (localhost [127.0.0.1]) by pio-pvt-msa2.bahnhof.se (Postfix) with ESMTP id C32FF3F3B6; Sun, 21 Oct 2018 17:41:48 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at bahnhof.se Received: from pio-pvt-msa2.bahnhof.se ([127.0.0.1]) by localhost (pio-pvt-msa2.bahnhof.se [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gO9x8bN_t09g; Sun, 21 Oct 2018 17:41:48 +0200 (CEST) Received: from localhost (h-41-252.A163.priv.bahnhof.se [46.59.41.252]) (Authenticated sender: mb547485) by pio-pvt-msa2.bahnhof.se (Postfix) with ESMTPA id DFAE63F3AD; Sun, 21 Oct 2018 17:41:47 +0200 (CEST) Date: Sun, 21 Oct 2018 17:41:47 +0200 From: Fredrik Noring To: Aleksandar Markovic , "Maciej W. Rozycki" , Philippe =?utf-8?q?Mathieu-Daud=C3=A9?= Message-ID: <16415de65ec690062e2d1fbd06f105b85661f4df.1540134918.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: 79.136.2.41 Subject: [Qemu-devel] [PATCH v8 29/38] tests/tcg/mips: Test R5900 MFLO1 and MFHI1 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/Makefile | 3 ++- tests/tcg/mips/mipsr5900/mflohi1.c | 35 ++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+), 1 deletion(-) create mode 100644 tests/tcg/mips/mipsr5900/mflohi1.c diff --git a/tests/tcg/mips/mipsr5900/Makefile b/tests/tcg/mips/mipsr5900/Makefile index b3ddb9a7bf..fd8ee6b0e3 100644 --- a/tests/tcg/mips/mipsr5900/Makefile +++ b/tests/tcg/mips/mipsr5900/Makefile @@ -8,7 +8,8 @@ SIM_FLAGS=-cpu R5900 CC = $(CROSS)gcc CFLAGS = -Wall -mabi=32 -march=r5900 -static -TESTCASES = mult.tst +TESTCASES = mflohi1.tst +TESTCASES += mult.tst TESTCASES += multu.tst all: $(TESTCASES) diff --git a/tests/tcg/mips/mipsr5900/mflohi1.c b/tests/tcg/mips/mipsr5900/mflohi1.c new file mode 100644 index 0000000000..eed3683dc5 --- /dev/null +++ b/tests/tcg/mips/mipsr5900/mflohi1.c @@ -0,0 +1,35 @@ +/* + * Test R5900-specific MFLO1 and MFHI1. + */ + +#include +#include +#include + +int main() +{ + int32_t rs = 12207031, rt = 305175781; + int32_t rs1 = 32452867, rt1 = 49979687; + int64_t lo, hi, lo1, hi1; + int64_t r, r1; + + /* Test both LO/HI and LO1/HI1 to verify separation. */ + __asm__ __volatile__ ( + " mult $0, %4, %5\n" + " mult1 $0, %6, %7\n" + " mflo %0\n" + " mfhi %1\n" + " mflo1 %2\n" + " mfhi1 %3\n" + : "=r" (lo), "=r" (hi), + "=r" (lo1), "=r" (hi1) + : "r" (rs), "r" (rt), + "r" (rs1), "r" (rt1)); + r = ((int64_t)hi << 32) | (uint32_t)lo; + r1 = ((int64_t)hi1 << 32) | (uint32_t)lo1; + + assert(r == 3725290219116211); + assert(r1 == 1621984134912629); + + return 0; +}