diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/e_logl.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/e_logl.S | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/x86_64/fpu/e_logl.S b/sysdeps/x86_64/fpu/e_logl.S index 047b8db88a..dbe6fd59dc 100644 --- a/sysdeps/x86_64/fpu/e_logl.S +++ b/sysdeps/x86_64/fpu/e_logl.S @@ -81,7 +81,13 @@ ENTRY(__logl_finite) fnstsw // x-1 : x : log(2) andb $0x45, %ah jz 2b - fstp %st(1) // x-1 : log(2) + fxam + fnstsw + andb $0x45, %ah + cmpb $0x40, %ah + jne 7f + fabs // log(1) is +0 in all rounding modes. +7: fstp %st(1) // x-1 : log(2) fyl2xp1 // log(x) ret END (__logl_finite) |