diff options
Diffstat (limited to 'sysdeps/libm-i387/s_asinhf.S')
| -rw-r--r-- | sysdeps/libm-i387/s_asinhf.S | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/libm-i387/s_asinhf.S b/sysdeps/libm-i387/s_asinhf.S index f47bc9e0ac..7e5176c4a6 100644 --- a/sysdeps/libm-i387/s_asinhf.S +++ b/sysdeps/libm-i387/s_asinhf.S @@ -1,5 +1,5 @@ /* ix87 specific implementation of arcsinh. - Copyright (C) 1996 Free Software Foundation, Inc. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -51,8 +51,12 @@ ENTRY(__asinhf) andl $0x80000000, %ecx xorl %ecx, 8(%esp) flds 4(%esp) // |x| + movl %eax, %edx cmpl $0x38000000, %eax jb 2f // |x| < 2^-14 + orl $0x807fffff, %edx + incl %edx + jz 4f // x in ±Inf or NaN fldln2 // log(2) : |x| cmpl $0x47000000, %eax fxch // |x| : log(2) |