From patchwork Mon May 23 21:42:49 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 97089 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 82F1BB6F71 for ; Tue, 24 May 2011 07:45:03 +1000 (EST) Received: from localhost ([::1]:41572 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QOcvs-0000Na-Ra for incoming@patchwork.ozlabs.org; Mon, 23 May 2011 17:45:00 -0400 Received: from eggs.gnu.org ([140.186.70.92]:58440) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QOctt-0005rc-UZ for qemu-devel@nongnu.org; Mon, 23 May 2011 17:43:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QOcts-0003Dm-I0 for qemu-devel@nongnu.org; Mon, 23 May 2011 17:42:57 -0400 Received: from hall.aurel32.net ([88.191.126.93]:53494) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QOcts-0003DO-DQ for qemu-devel@nongnu.org; Mon, 23 May 2011 17:42:56 -0400 Received: from [2001:470:d4ed:0:5e26:aff:fe2b:6f5b] (helo=volta.aurel32.net) by hall.aurel32.net with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1QOctr-0000Zj-NE; Mon, 23 May 2011 23:42:55 +0200 Received: from aurel32 by volta.aurel32.net with local (Exim 4.76) (envelope-from ) id 1QOctp-0002WG-Q3; Mon, 23 May 2011 23:42:53 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Mon, 23 May 2011 23:42:49 +0200 Message-Id: <1306186971-9528-8-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 1.7.5.1 In-Reply-To: <1306186971-9528-1-git-send-email-aurelien@aurel32.net> References: <1306186971-9528-1-git-send-email-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 88.191.126.93 Cc: Aurelien Jarno Subject: [Qemu-devel] [PATCH v2 7/9] softfloat: add float*_is_zero_or_denormal() 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 float*_is_zero_or_denormal() is available for float32, but not for float64, floatx80 and float128. Fix that. Reviewed-by: Peter Maydell Signed-off-by: Aurelien Jarno --- fpu/softfloat.h | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/fpu/softfloat.h b/fpu/softfloat.h index 8931446..bde2500 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -449,6 +449,11 @@ INLINE int float64_is_any_nan(float64 a) return ((float64_val(a) & ~(1ULL << 63)) > 0x7ff0000000000000ULL); } +INLINE int float64_is_zero_or_denormal(float64 a) +{ + return (float64_val(a) & 0x7ff0000000000000LL) == 0; +} + INLINE float64 float64_set_sign(float64 a, int sign) { return make_float64((float64_val(a) & 0x7fffffffffffffffULL) @@ -538,6 +543,11 @@ INLINE int floatx80_is_zero(floatx80 a) return (a.high & 0x7fff) == 0 && a.low == 0; } +INLINE int floatx80_is_zero_or_denormal(floatx80 a) +{ + return (a.high & 0x7fff) == 0; +} + INLINE int floatx80_is_any_nan(floatx80 a) { return ((a.high & 0x7fff) == 0x7fff) && (a.low<<1); @@ -626,6 +636,11 @@ INLINE int float128_is_zero(float128 a) return (a.high & 0x7fffffffffffffffLL) == 0 && a.low == 0; } +INLINE int float128_is_zero_or_denormal(float128 a) +{ + return (a.high & 0x7fff000000000000LL) == 0; +} + INLINE int float128_is_any_nan(float128 a) { return ((a.high >> 48) & 0x7fff) == 0x7fff &&