1/* 2 * Written by J.T. Conklin <jtc@NetBSD.org>. 3 * Public domain. 4 */ 5 6#include <machine/asm.h> 7 8/* 9 * XXXfvdl split this file. 10 */ 11 12RCSID("$NetBSD: s_copysignf.S,v 1.7 2011/06/21 21:52:49 joerg Exp $") 13 14#ifdef __x86_64__ 15.Lneg: 16 .long 0x7fffffff 17.Lpos: 18 .long 0x80000000 19#endif 20 21ENTRY(copysignf) 22#ifdef __i386__ 23 movl 8(%esp),%edx 24 andl $0x80000000,%edx 25 movl 4(%esp),%eax 26 andl $0x7fffffff,%eax 27 orl %edx,%eax 28 movl %eax,4(%esp) 29 flds 4(%esp) 30#else 31 movss .Lpos(%rip),%xmm2 32 movss .Lneg(%rip),%xmm3 33 pand %xmm2,%xmm1 34 pand %xmm3,%xmm0 35 por %xmm1,%xmm0 36#endif 37 ret 38