From patchwork Thu Nov 1 17:35:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fredrik Noring X-Patchwork-Id: 992037 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 42mCKT2zjlz9sXf for ; Fri, 2 Nov 2018 04:45:33 +1100 (AEDT) Received: from localhost ([::1]:43295 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gIH2B-0004V1-2A for incoming@patchwork.ozlabs.org; Thu, 01 Nov 2018 13:45:31 -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) X-Virus-Scanned: Debian amavisd-new at bahnhof.se 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) 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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/madd.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. */ #include @@ -29,12 +29,45 @@ int64_t madd(int64_t a, int32_t rs, int32_t rt) return r; } +int64_t madd1(int64_t a, int32_t rs, int32_t rt) +{ + int32_t lo = a; + int32_t hi = 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" + : "=r" (rd), "=r" (lo), "=r" (hi) + : "r" (rs), "r" (rt), "r" (lo), "r" (hi)); + r = ((int64_t)hi << 32) | (uint32_t)lo; + + assert(a + (int64_t)rs * rt == r); + assert(rd == lo); + + return r; +} + +static int64_t madd_variants(int64_t a, int32_t rs, int32_t rt) +{ + int64_t rd = madd(a, rs, rt); + int64_t rd1 = madd1(a, rs, rt); + + assert(rd == rd1); + + return rd; +} + static void verify_madd(int64_t a, int32_t rs, int32_t rt, int64_t expected) { - assert(madd(a, rs, rt) == expected); - assert(madd(a, -rs, rt) == a + a - expected); - assert(madd(a, rs, -rt) == a + a - expected); - assert(madd(a, -rs, -rt) == expected); + assert(madd_variants(a, rs, rt) == expected); + assert(madd_variants(a, -rs, rt) == a + a - expected); + assert(madd_variants(a, rs, -rt) == a + a - expected); + assert(madd_variants(a, -rs, -rt) == expected); } int main()