Date: Fri, 29 May 2015 09:26:11 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r283694 - head/lib/libc/gen Message-ID: <201505290926.t4T9QBVE030151@svn.freebsd.org>
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Author: andrew Date: Fri May 29 09:26:10 2015 New Revision: 283694 URL: https://svnweb.freebsd.org/changeset/base/283694 Log: Fix __fpclassifyl when double == long double. As with r283693 this is needed on ARM and PowerPC. MFC after: 1 Week Modified: head/lib/libc/gen/fpclassify.c Modified: head/lib/libc/gen/fpclassify.c ============================================================================== --- head/lib/libc/gen/fpclassify.c Fri May 29 09:23:20 2015 (r283693) +++ head/lib/libc/gen/fpclassify.c Fri May 29 09:26:10 2015 (r283694) @@ -29,6 +29,8 @@ #include <sys/endian.h> +#include <machine/float.h> + #include <math.h> #include <stdint.h> @@ -84,10 +86,18 @@ __fpclassifyl(long double e) return (FP_SUBNORMAL); } mask_nbit_l(u); /* Mask normalization bit if applicable. */ +#if LDBL_MANT_DIG == 53 + if (u.bits.exp == 2047) { + if ((u.bits.manl | u.bits.manh) == 0) + return (FP_INFINITE); + return (FP_NAN); + } +#else if (u.bits.exp == 32767) { if ((u.bits.manl | u.bits.manh) == 0) return (FP_INFINITE); return (FP_NAN); } +#endif return (FP_NORMAL); }
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