glibc/sysdeps/libm-i387/s_floorl.S

32 lines
594 B
ArmAsm

/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Changes for long double by Ulrich Drepper <drepper@cygnus.com>
* Public domain.
*/
#include <machine/asm.h>
RCSID("$NetBSD: $")
ENTRY(__floorl)
pushl %ebp
movl %esp,%ebp
subl $8,%esp
fstcw -4(%ebp) /* store fpu control word */
movw -4(%ebp),%dx
orw $0x0400,%dx /* round towards -oo */
andw $0xf7ff,%dx
movw %dx,-8(%ebp)
fldcw -8(%ebp) /* load modified control word */
fldt 8(%ebp) /* round */
frndint
fldcw -4(%ebp) /* restore original control word */
leave
ret
PSEUDO_END (__floorl)
weak_alias (__floorl, floorl)