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Annotation of 43BSDReno/lib/libc/hp300/gen/modf.s, revision 1.1.1.1

1.1       root        1: /*-
                      2:  * Copyright (c) 1990 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * This code is derived from software contributed to Berkeley by
                      6:  * the Systems Programming Group of the University of Utah Computer
                      7:  * Science Department.
                      8:  *
                      9:  * Redistribution and use in source and binary forms are permitted
                     10:  * provided that: (1) source distributions retain this entire copyright
                     11:  * notice and comment, and (2) distributions including binaries display
                     12:  * the following acknowledgement:  ``This product includes software
                     13:  * developed by the University of California, Berkeley and its contributors''
                     14:  * in the documentation or other materials provided with the distribution
                     15:  * and in all advertising materials mentioning features or use of this
                     16:  * software. Neither the name of the University nor the names of its
                     17:  * contributors may be used to endorse or promote products derived
                     18:  * from this software without specific prior written permission.
                     19:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     20:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     21:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     22:  */
                     23: 
                     24: #if defined(LIBC_SCCS) && !defined(lint)
                     25:        .asciz "@(#)modf.s      5.1 (Berkeley) 5/12/90"
                     26: #endif /* LIBC_SCCS and not lint */
                     27: 
                     28: #include "DEFS.h"
                     29: 
                     30: /*
                     31:  * double modf(val, iptr)
                     32:  * returns: xxx and n (in *iptr) where val == n.xxx
                     33:  */
                     34: ENTRY(modf)
                     35:        fmoved  sp@(4),fp0
                     36:        movel   sp@(12),a0
                     37:        fintrzx fp0,fp1
                     38:        fmoved  fp1,a0@
                     39:        fsubx   fp1,fp0
                     40:        fmoved  fp0,sp@-
                     41:        movel   sp@+,d0
                     42:        movel   sp@+,d1
                     43:        rts

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