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s_copysignf.S revision 1.4 
      1  1.1   jtc /*
      2  1.2   jtc  * Written by J.T. Conklin <jtc (at) netbsd.org>.
      3  1.2   jtc  * Public domain.
      4  1.1   jtc  */
      5  1.1   jtc 
      6  1.1   jtc #include <machine/asm.h>
      7  1.1   jtc 
      8  1.4  fvdl /*
      9  1.4  fvdl  * XXXfvdl split this file.
     10  1.4  fvdl  */
     11  1.4  fvdl 
     12  1.4  fvdl RCSID("$NetBSD: s_copysignf.S,v 1.4 2001/06/19 00:26:30 fvdl Exp $")
     13  1.4  fvdl 
     14  1.4  fvdl #ifdef __x86_64__
     15  1.4  fvdl .Lneg:
     16  1.4  fvdl 	.long 0x7fffffff
     17  1.4  fvdl .Lpos:
     18  1.4  fvdl 	.long 0x80000000
     19  1.4  fvdl #endif
     20  1.1   jtc 
     21  1.1   jtc ENTRY(copysignf)
     22  1.4  fvdl #ifdef __i386__
     23  1.1   jtc 	movl	8(%esp),%edx
     24  1.1   jtc 	andl	$0x80000000,%edx
     25  1.1   jtc 	movl	4(%esp),%eax
     26  1.1   jtc 	andl	$0x7fffffff,%eax
     27  1.1   jtc 	orl	%edx,%eax
     28  1.1   jtc 	movl	%eax,4(%esp)
     29  1.1   jtc 	flds	4(%esp)
     30  1.4  fvdl #else
     31  1.4  fvdl #if 0
     32  1.4  fvdl 	/*
     33  1.4  fvdl 	 * XXXfvdl gas doesn't grok this.
     34  1.4  fvdl 	 * but it's legal according to the p4 manual.
     35  1.4  fvdl 	 */
     36  1.4  fvdl 	movss    .Lpos(%rip),%xmm2
     37  1.4  fvdl 	movss    .Lneg(%rip),%xmm3
     38  1.4  fvdl 	pandq   %xmm2,%xmm1
     39  1.4  fvdl 	pandq   %xmm3,%xmm0
     40  1.4  fvdl 	porq    %xmm1,%xmm0
     41  1.4  fvdl #else
     42  1.4  fvdl 	movss	%xmm0,-4(%rsp)
     43  1.4  fvdl 	movss	%xmm1,-8(%rsp)
     44  1.4  fvdl 	movl	-8(%rsp),%edx
     45  1.4  fvdl 	andl	$0x80000000,%edx
     46  1.4  fvdl 	movl	-4(%rsp),%eax
     47  1.4  fvdl 	andl	$0x7fffffff,%eax
     48  1.4  fvdl 	orl	%edx,%eax
     49  1.4  fvdl 	movl	%eax,-4(%rsp)
     50  1.4  fvdl 	movss	-4(%rsp),%xmm0
     51  1.4  fvdl #endif
     52  1.4  fvdl #endif
     53  1.1   jtc 	ret
     54