From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:49367) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gr3Uy-0002Ix-Mo for qemu-devel@nongnu.org; Tue, 05 Feb 2019 11:23:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gr3Uy-0000k0-4f for qemu-devel@nongnu.org; Tue, 05 Feb 2019 11:23:00 -0500 Received: from mx1.redhat.com ([209.132.183.28]:28069) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gr3Ux-0000jh-VS for qemu-devel@nongnu.org; Tue, 05 Feb 2019 11:23:00 -0500 From: David Hildenbrand Date: Tue, 5 Feb 2019 17:22:53 +0100 Message-Id: <20190205162253.9155-1-david@redhat.com> Subject: [Qemu-devel] [PATCH v1] softfloat: add float128_is_{normal, denormal} List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Aurelien Jarno , =?UTF-8?q?Alex=20Benn=C3=A9e?= , David Hildenbrand Needed on s390x, to test for the data class of a number. So it will gain soon a user. Signed-off-by: David Hildenbrand --- include/fpu/softfloat.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index 38a5e99cf3..10c31557b4 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -940,6 +940,16 @@ static inline int float128_is_zero_or_denormal(float128 a) return (a.high & 0x7fff000000000000LL) == 0; } +static inline bool float128_is_normal(float128 a) +{ + return ((a.high + (1ULL << 47)) & -1ULL >> 1) >= 1ULL << 48; +} + +static inline bool float128_is_denormal(float128 a) +{ + return float128_is_zero_or_denormal(a) && !float128_is_zero(a); +} + static inline int float128_is_any_nan(float128 a) { return ((a.high >> 48) & 0x7fff) == 0x7fff && -- 2.17.2