From patchwork Wed Jan 18 21:05:17 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 716844 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3v3flR4nrwz9sf9 for ; Thu, 19 Jan 2017 08:10:59 +1100 (AEDT) Received: from localhost ([::1]:44349 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cTxVR-0006PM-4p for incoming@patchwork.ozlabs.org; Wed, 18 Jan 2017 16:10:57 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46458) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cTxQc-0002Qv-IP for qemu-devel@nongnu.org; Wed, 18 Jan 2017 16:05:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cTxQY-0006tT-HH for qemu-devel@nongnu.org; Wed, 18 Jan 2017 16:05:58 -0500 Received: from mout.kundenserver.de ([212.227.126.135]:56344) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cTxQY-0006sP-8A for qemu-devel@nongnu.org; Wed, 18 Jan 2017 16:05:54 -0500 Received: from Quad.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue005 [212.227.15.167]) with ESMTPSA (Nemesis) id 0LnG25-1cv1R20umT-00hKGL; Wed, 18 Jan 2017 22:05:25 +0100 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Wed, 18 Jan 2017 22:05:17 +0100 Message-Id: <1484773521-16530-4-git-send-email-laurent@vivier.eu> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1484773521-16530-1-git-send-email-laurent@vivier.eu> References: <1484773521-16530-1-git-send-email-laurent@vivier.eu> X-Provags-ID: V03:K0:PsQ4u4ZrEAI7/nvnpqQB0snsTv4FSyk2CCzGEQaUuPOoQUXMJ+l gqC0zftbfovuy2QlzdfAcoqbm7zTvrnb40yeWs73LUy8Ee2M6xPK8GW3pGjAtcF+JmuflX6 DZuD7jTQ4Hrf9vhNWI1ts5a3NNRkAspR0SFsn2f1yobqUi6Cc7MzQaDatzSuAw40B1X1SrO zjWr5Q2sIVyrJ8RLfjYsw== X-UI-Out-Filterresults: notjunk:1; V01:K0:66BVymylHbI=:BwBDLT7m/KaJVkHAg1cI3D x6bgqtUCzqMhm20X6S0yO++Y9zg7bZPMIPdEjQDTR7Hh28eQDzGfMkMfGR6t9hjMii33ivmih JgdjgOf1ha6j+tXODoUgSzonpfPM4vdXiijzWTv19kCLSiyTMbGaJ19spOJ+omiGUlx7e4euM 79Zf2eKFNHw23Ti3tDiFAp3FWHbx8XfzQqG3HZPSC87pJ9RWbckxj7Qf9HYohcTpPaHfjV8j5 TaNL+dVBoQNPYOuQSvF8qzLE0A39zTBVxMYxfFTh9gA21dwuxp5elsgG/AJvITYjtEkcyqXY0 2njKc5mbx/Xs/OS5Z+uwzrcVQbVQB051QiavunQSdd48tX3untluNvK+FAsb0DFDcwo+9xw6d y0DMRXHtVVZRvEaIqETKrnBYIVNM4jC+E2CPmGGlaRq0U8+u4nDiwr8DWww1J9p8WNPHWX0tF nU+2NfQZ2PufY+Eg8clJ3vXtj2xj3M3qAZWS3XVcGEiBXRo2tNO91SmIIZu2T6ZcvXAssc6Ww e5ffxVq/m1oa7zNIO8oN+0NcuAwgefw/8MEwxpKuJTE3yi2ZNN9CQxOinGyPp/rZE+fksqlI8 HpwRO21ecRByg9mcQch9sPqgUzq9SCG0kSdWzYOWdzc7Km03fqbYJvr8cL9nM5OpVdRNRsL3S yySO3edsEH1AorDffGGunzsn2+/ME6++HXs9vR3tyzS7GrJSVWMEwAWDVxL0wwKq7ju8= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.126.135 Subject: [Qemu-devel] [PATCH 3/7] softfloat: define 680x0 specific values 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: Laurent Vivier , Aurelien Jarno , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Laurent Vivier --- fpu/softfloat-specialize.h | 30 +++++++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-) diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h index f5aed72..8bd3fa9 100644 --- a/fpu/softfloat-specialize.h +++ b/fpu/softfloat-specialize.h @@ -111,7 +111,7 @@ float16 float16_default_nan(float_status *status) *----------------------------------------------------------------------------*/ float32 float32_default_nan(float_status *status) { -#if defined(TARGET_SPARC) +#if defined(TARGET_SPARC) || defined(TARGET_M68K) return const_float32(0x7FFFFFFF); #elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA) || \ defined(TARGET_XTENSA) || defined(TARGET_S390X) || defined(TARGET_TRICORE) @@ -134,7 +134,7 @@ float32 float32_default_nan(float_status *status) *----------------------------------------------------------------------------*/ float64 float64_default_nan(float_status *status) { -#if defined(TARGET_SPARC) +#if defined(TARGET_SPARC) || defined(TARGET_M68K) return const_float64(LIT64(0x7FFFFFFFFFFFFFFF)); #elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA) || \ defined(TARGET_S390X) @@ -158,7 +158,10 @@ float64 float64_default_nan(float_status *status) floatx80 floatx80_default_nan(float_status *status) { floatx80 r; - +#if defined(TARGET_M68K) + r.low = LIT64(0xFFFFFFFFFFFFFFFF); + r.high = 0x7FFF; +#else if (status->snan_bit_is_one) { r.low = LIT64(0xBFFFFFFFFFFFFFFF); r.high = 0x7FFF; @@ -166,6 +169,7 @@ floatx80 floatx80_default_nan(float_status *status) r.low = LIT64(0xC000000000000000); r.high = 0xFFFF; } +#endif return r; } @@ -491,6 +495,26 @@ static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN, return 1; } } +#elif defined(TARGET_M68K) +static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN, + flag aIsLargerSignificand) +{ + /* If either operand, but not both operands, of an operation is a + * nonsignaling NAN, then that NAN is returned as the result. If both + * operands are nonsignaling NANs, then the destination operand + * nonsignaling NAN is returned as the result. + */ + + if (aIsSNaN) { + return 0; + } else if (bIsSNaN) { + return 1; + } else if (bIsQNaN) { + return 1; + } else { + return 0; + } +} #else static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN, flag aIsLargerSignificand)