diff options
Diffstat (limited to 'sysdeps/libm-i387/s_floorl.S')
| -rw-r--r-- | sysdeps/libm-i387/s_floorl.S | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/libm-i387/s_floorl.S b/sysdeps/libm-i387/s_floorl.S new file mode 100644 index 0000000000..af52ffcacf --- /dev/null +++ b/sysdeps/libm-i387/s_floorl.S @@ -0,0 +1,30 @@ +/* + * 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 modfied control word */ + + fldt 8(%ebp) /* round */ + frndint + + fldcw -4(%ebp) /* restore original control word */ + + leave + ret +weak_alias (__floorl, floorl) |