From patchwork Tue Dec 11 17:21:12 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 205275 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 6F2302C007C for ; Wed, 12 Dec 2012 04:21:49 +1100 (EST) Received: from localhost ([::1]:45494 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TiTWd-0004rS-HB for incoming@patchwork.ozlabs.org; Tue, 11 Dec 2012 12:21:47 -0500 Received: from eggs.gnu.org ([208.118.235.92]:46159) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TiTWI-0004Yb-B9 for qemu-devel@nongnu.org; Tue, 11 Dec 2012 12:21:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TiTWB-00033M-4M for qemu-devel@nongnu.org; Tue, 11 Dec 2012 12:21:26 -0500 Received: from mail-ie0-f178.google.com ([209.85.223.178]:44303) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TiTWA-00033H-Vo for qemu-devel@nongnu.org; Tue, 11 Dec 2012 12:21:19 -0500 Received: by mail-ie0-f178.google.com with SMTP id c12so15364281ieb.23 for ; Tue, 11 Dec 2012 09:21:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=QK5nt2V13dhN4PI6j+aze/CsvE1pa956gE0ot/kJb+0=; b=F1jrNll6LuMIEaUtt/8mjFR/xGDF9emjFTrsoIVi1I10JK7nnFk6hjsNKaZsHWRWww J8kkYY54TAgl3/f7PnPRcVzsmkhf033tsYRiMO6h53earEgLHXWMDQaC3BPkcSi0IPaB i4pQCt9H6ZiNbFMUnJTmD0yk0Y09gwmJCxhHbsBmwIxgClWqdiMVO30tKT5CdRpNd0I0 DEundXrsnJlIaISX0swc3QUpy6Uq0hD2nU8nQsopNvbpsvsISOB19R5tTfPCDX9ldTOB BZSWfOCVETeWUsSwpuBWWAZ9SEy2JW2oyZ3BskDAjSvHBCA6akvSP5XF41mfhsueG6z/ WIjw== Received: by 10.50.179.100 with SMTP id df4mr10724766igc.60.1355246478499; Tue, 11 Dec 2012 09:21:18 -0800 (PST) Received: from anchor.twiddle.home.com (50-194-63-110-static.hfc.comcastbusiness.net. [50.194.63.110]) by mx.google.com with ESMTPS id rd10sm9079252igb.1.2012.12.11.09.21.17 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 11 Dec 2012 09:21:18 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 11 Dec 2012 09:21:12 -0800 Message-Id: <1355246472-16743-3-git-send-email-rth@twiddle.net> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1355246472-16743-1-git-send-email-rth@twiddle.net> References: <1355246472-16743-1-git-send-email-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 209.85.223.178 Cc: afaerber@suse.de Subject: [Qemu-devel] [PATCH 2/2] softfloat: Implement uint64_to_float128 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- fpu/softfloat.c | 8 ++++++++ fpu/softfloat.h | 3 +++ 2 files changed, 11 insertions(+) diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 0daad0d..506defb 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -1339,6 +1339,14 @@ float128 int64_to_float128( int64 a STATUS_PARAM ) } +float128 uint64_to_float128(uint64 a STATUS_PARAM) +{ + if (a == 0) { + return float128_zero; + } + return normalizeRoundAndPackFloat128(0, 0x406E, a, 0 STATUS_VAR); +} + /*---------------------------------------------------------------------------- | Returns the result of converting the single-precision floating-point value | `a' to the 32-bit two's complement integer format. The conversion is diff --git a/fpu/softfloat.h b/fpu/softfloat.h index d8999b3..48cdb7d 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -237,6 +237,7 @@ float64 int64_to_float64( int64 STATUS_PARAM ); float64 uint64_to_float64( uint64 STATUS_PARAM ); floatx80 int64_to_floatx80( int64 STATUS_PARAM ); float128 int64_to_float128( int64 STATUS_PARAM ); +float128 uint64_to_float128(uint64 STATUS_PARAM); /*---------------------------------------------------------------------------- | Software half-precision conversion routines. @@ -630,6 +631,8 @@ INLINE int float128_is_any_nan(float128 a) ((a.low != 0) || ((a.high & 0xffffffffffffLL) != 0)); } +#define float128_zero make_float128(0, 0) + /*---------------------------------------------------------------------------- | The pattern for a default generated quadruple-precision NaN. *----------------------------------------------------------------------------*/