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NetBSD/lib/libm/arch/i387/s_finitef.S

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Assembly language versions of some of the "float" functions.
1994-08-19 07:56:44 +04:00
/*
netbsd.org->NetBSD.org
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* Written by J.T. Conklin <jtc@NetBSD.org>.
Winning Strategies has placed this code into the Public Domain
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* Public domain.
Assembly language versions of some of the "float" functions.
1994-08-19 07:56:44 +04:00
*/
#include <machine/asm.h>
netbsd.org->NetBSD.org
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RCSID("$NetBSD: s_finitef.S,v 1.6 2003/07/26 19:25:01 salo Exp $")
Assembly language versions of some of the "float" functions.
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ENTRY(finitef)
Modify the i387 code so that it can be shared between the i386 port and the x86_64 port. XXX some files should be distinct.
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#ifdef __i386__
Assembly language versions of some of the "float" functions.
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movl 4(%esp),%eax
Use setne instead of setnel, new versions of gas balk at the bad mnemonic. Wrong mask was used in s_finitef.S.
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andl $0x7f800000, %eax
cmpl $0x7f800000, %eax
setne %al
Assembly language versions of some of the "float" functions.
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andl $0x000000ff, %eax
Modify the i387 code so that it can be shared between the i386 port and the x86_64 port. XXX some files should be distinct.
2001-06-19 04:26:29 +04:00
#else
xorl %eax,%eax
movl $0x7ff00000,%esi
movss %xmm0,-4(%rsp)
andl -4(%rsp),%esi
cmpl $0x7ff00000,%esi
setne %al
#endif
Assembly language versions of some of the "float" functions.
1994-08-19 07:56:44 +04:00
ret