diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/e_ilogbl.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/e_ilogbl.S | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/sysdeps/x86_64/fpu/e_ilogbl.S b/sysdeps/x86_64/fpu/e_ilogbl.S deleted file mode 100644 index ae6c0fe6f9..0000000000 --- a/sysdeps/x86_64/fpu/e_ilogbl.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Changes for long double by Ulrich Drepper <drepper@cygnus.com> - * Adapted for x86-64 by Andreas Jaeger <aj@suse.de>. - * Public domain. - */ - -#include <machine/asm.h> - -ENTRY(__ieee754_ilogbl) - fldt 8(%rsp) -/* I added the following ugly construct because ilogb(+-Inf) is - required to return INT_MAX in ISO C99. - -- jakub@redhat.com. */ - fxam /* Is NaN or +-Inf? */ - fstsw %ax - movb $0x45, %dh - andb %ah, %dh - cmpb $0x05, %dh - je 1f /* Is +-Inf, jump. */ - cmpb $0x40, %dh - je 2f /* Is +-Inf, jump. */ - - fxtract - fstp %st - - fistpl -4(%rsp) - fwait - movl -4(%rsp),%eax - - ret - -1: fstp %st - movl $0x7fffffff, %eax - ret -2: fstp %st - movl $0x80000000, %eax /* FP_ILOGB0 */ - ret -END (__ieee754_ilogbl) |