1
0
Fork 0
mirror of https://gitlab.com/sortix/sortix.git synced 2023-02-13 20:55:38 -05:00
sortix--sortix/libm/arch/i387/s_scalbnf.S
Jonas 'Sortie' Termansen 5980be9b3c Add Sortix Math Library.
This work is based in part on code from NetBSD libm, libc and kernel.

The library is partly public domain and partly BSD-style licensed.
2013-12-17 14:30:39 +01:00

30 lines
480 B
ArmAsm

/*
* Written by J.T. Conklin <jtc@NetBSD.org>.
* Public domain.
*/
#include <machine/asm.h>
RCSID("$NetBSD: s_scalbnf.S,v 1.8 2010/04/23 19:17:07 drochner Exp $")
#ifdef WEAK_ALIAS
WEAK_ALIAS(scalbnf,_scalbnf)
#endif
ENTRY(_scalbnf)
#ifdef __x86_64__
movl %edi,-8(%rsp)
fildl -8(%rsp)
movss %xmm0,-4(%rsp)
flds -4(%rsp)
fscale
fstps -4(%rsp)
movss -4(%rsp),%xmm0
fstp %st(0)
#else
fildl 8(%esp)
flds 4(%esp)
fscale
fstp %st(1) /* clean up stack */
#endif
ret