35 lines
735 B
ArmAsm
35 lines
735 B
ArmAsm
/*
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* Written by J.T. Conklin <jtc@netbsd.org>.
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* Public domain.
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*/
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#include <machine/asm.h>
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RCSID("$NetBSD: s_ceilf.S,v 1.3 1995/05/08 23:52:44 jtc Exp $")
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ENTRY(__ceilf)
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pushl %ebp
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movl %esp,%ebp
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subl $8,%esp
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fstcw -4(%ebp) /* store fpu control word */
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/* We use here %edx although only the low 1 bits are defined.
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But none of the operations should care and they are faster
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than the 16 bit operations. */
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movl -4(%ebp),%edx
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orl $0x0800,%edx /* round towards +oo */
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andl $0xfbff,%edx
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movl %edx,-8(%ebp)
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fldcw -8(%ebp) /* load modified control word */
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flds 8(%ebp); /* round */
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frndint
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fldcw -4(%ebp) /* restore original control word */
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leave
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ret
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PSEUDO_END (__ceilf)
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weak_alias (__ceilf, ceilf)
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