mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-12 00:00:06 +00:00
34 lines
729 B
ArmAsm
34 lines
729 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)
|
|
fldt 4(%esp)
|
|
subl $8,%esp
|
|
|
|
fstcw 4(%esp) /* store fpu control word */
|
|
|
|
/* We use here %edx although only the low 1 bits are defined.
|
|
But none of the operations should care and they are faster
|
|
than the 16 bit operations. */
|
|
movl $0x400,%edx /* round towards -oo */
|
|
orl 4(%esp),%edx
|
|
andl $0xf7ff,%edx
|
|
movl %edx,(%esp)
|
|
fldcw (%esp) /* load modified control word */
|
|
|
|
frndint /* round */
|
|
|
|
fldcw 4(%esp) /* restore original control word */
|
|
|
|
addl $8,%esp
|
|
ret
|
|
END (__floorl)
|
|
weak_alias (__floorl, floorl)
|