diff options
Diffstat (limited to 'sysdeps/i386/fpu/s_frexpl.S')
| -rw-r--r-- | sysdeps/i386/fpu/s_frexpl.S | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sysdeps/i386/fpu/s_frexpl.S b/sysdeps/i386/fpu/s_frexpl.S index f687ab3c2e..52e3e4627c 100644 --- a/sysdeps/i386/fpu/s_frexpl.S +++ b/sysdeps/i386/fpu/s_frexpl.S @@ -1,5 +1,5 @@ /* ix87 specific frexp implementation for long double. - Copyright (C) 1997-2016 Free Software Foundation, Inc. + Copyright (C) 1997-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -17,6 +17,7 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#include <libm-alias-ldouble.h> #include <machine/asm.h> .section .rodata @@ -50,7 +51,7 @@ ENTRY (__frexpl) jz 1f xorl %ecx, %ecx cmpl $0x7fff, %eax - je 1f + je 3f cmpl $0, %eax jne 2f @@ -81,5 +82,12 @@ ENTRY (__frexpl) movl %ecx, (%eax) ret + + /* Infinity or NaN; ensure signaling NaNs are quieted. */ +3: movl EXPP(%esp), %eax + fldt VAL0(%esp) + fadd %st + movl %ecx, (%eax) + ret END (__frexpl) -weak_alias (__frexpl, frexpl) +libm_alias_ldouble (__frexp, frexp) |