diff options
Diffstat (limited to 'sysdeps/i386/fpu/e_acosh.S')
| -rw-r--r-- | sysdeps/i386/fpu/e_acosh.S | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sysdeps/i386/fpu/e_acosh.S b/sysdeps/i386/fpu/e_acosh.S index c5cd4474ec..263c01a4ed 100644 --- a/sysdeps/i386/fpu/e_acosh.S +++ b/sysdeps/i386/fpu/e_acosh.S @@ -91,9 +91,10 @@ ENTRY(__ieee754_acosh) fyl2x // log(2*x+1/(x+sqrt(x^2-1))) ret - // x < 1 => NaN + // x < 1 (or -NaN) => NaN .align ALIGNARG(4) -5: fldz +5: fldl 4(%esp) + fsub %st fdiv %st, %st(0) ret END(__ieee754_acosh) |