glibc/sysdeps/i386/fpu/s_nearbyint.S
Jakub Jelinek 0ecb606cb6 2.5-18.1
2007-07-12 18:26:36 +00:00

30 lines
537 B
ArmAsm

/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
/* Adapted for use as nearbyint by Ulrich Drepper <drepper@cygnus.com>. */
#include <machine/asm.h>
ENTRY(__nearbyint)
fldl 4(%esp)
pushl %eax
cfi_adjust_cfa_offset (4)
pushl %ecx
cfi_adjust_cfa_offset (4)
fnstcw (%esp)
movl (%esp), %eax
orl $0x20, %eax
movl %eax, 4(%esp)
fldcw 4(%esp)
frndint
fclex
fldcw (%esp)
popl %ecx
cfi_adjust_cfa_offset (-4)
popl %eax
cfi_adjust_cfa_offset (-4)
ret
END (__nearbyint)
weak_alias (__nearbyint, nearbyint)