30 lines
522 B
ArmAsm
30 lines
522 B
ArmAsm
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/* $NetBSD: flt_rounds.S,v 1.2 2002/06/06 23:04:35 fvdl Exp $ */
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/*
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* Written by J.T. Conklin, Apr 4, 1995
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* Public domain.
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*/
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#include <machine/asm.h>
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.text
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_ALIGN_TEXT
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_map:
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.byte 1 /* round to nearest */
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.byte 3 /* round to negative infinity */
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.byte 2 /* round to positive infinity */
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.byte 0 /* round to zero */
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ENTRY(__flt_rounds)
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fnstcw -4(%rsp)
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movl -4(%rsp),%eax
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shrl $10,%eax
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andl $3,%eax
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#ifdef PIC
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leaq PIC_GOT(_map),%rcx
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movb (%rcx,%rax,1),%al
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#else
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movb _map(,%rax,1),%al
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#endif
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ret
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