diff options
Diffstat (limited to 'sysdeps/libm-i387/s_asinhl.S')
| -rw-r--r-- | sysdeps/libm-i387/s_asinhl.S | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/libm-i387/s_asinhl.S b/sysdeps/libm-i387/s_asinhl.S index e112244908..f764381aab 100644 --- a/sysdeps/libm-i387/s_asinhl.S +++ b/sysdeps/libm-i387/s_asinhl.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. @@ -58,8 +58,12 @@ ENTRY(__asinhl) andl $0x8000, %ecx xorl %ecx, 12(%esp) fldt 4(%esp) // |x| + movl %eax, %edx cmpl $0x3fde, %eax jb 2f // |x| < 2^-34 + orl $0xffff8000, %edx + incl %edx + jz 4f // x in ħInf or NaN fldln2 // log(2) : |x| cmpl $0x4020, %eax fxch // |x| : log(2) |