diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/e_log10l.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/e_log10l.S | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/x86_64/fpu/e_log10l.S b/sysdeps/x86_64/fpu/e_log10l.S index 2607ad199b..8fa61644c1 100644 --- a/sysdeps/x86_64/fpu/e_log10l.S +++ b/sysdeps/x86_64/fpu/e_log10l.S @@ -79,7 +79,13 @@ ENTRY(__log10l_finite) fnstsw // x-1 : x : log10(2) andb $0x45, %ah jz 2b - fstp %st(1) // x-1 : log10(2) + fxam + fnstsw + andb $0x45, %ah + cmpb $0x40, %ah + jne 6f + fabs // log10(1) is +0 in all rounding modes. +6: fstp %st(1) // x-1 : log10(2) fyl2xp1 // log10(x) ret END(__log10l_finite) |