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Annotation of src/lib/libc/arch/x86_64/gen/fpgetprec.S, Revision 1.1

1.1     ! christos    1: /*     $NetBSD: fpgetround.S,v 1.3 2002/06/12 19:17:22 fvdl Exp $      */
        !             2:
        !             3: /*
        !             4:  * Written by J.T. Conklin, Apr 4, 1995
        !             5:  * Public domain.
        !             6:  */
        !             7:
        !             8: #include <machine/asm.h>
        !             9:
        !            10: /*
        !            11:  * XXX store only x87 state. If an application only uses the fp*
        !            12:  * interface, this should be in sync with the SSE mxcsr register.
        !            13:  */
        !            14:
        !            15: #ifdef WEAK_ALIAS
        !            16: WEAK_ALIAS(fpgetprec, _fpgetprec)
        !            17: ENTRY(_fpgetprec)
        !            18: #else
        !            19: ENTRY(fpgetprec)
        !            20: #endif
        !            21:        fnstcw -4(%rsp)
        !            22:        movl -4(%rsp),%eax
        !            23:        rorl $8,%eax
        !            24:        andl $3,%eax
        !            25:        ret