1 1.2 cgd * $NetBSD: DYADIC.CI5,v 1.2 1994/10/26 07:48:26 cgd Exp $ 2 1.2 cgd 3 1.1 mycroft * MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP 4 1.1 mycroft * M68000 Hi-Performance Microprocessor Division 5 1.1 mycroft * M68040 Software Package 6 1.1 mycroft * 7 1.1 mycroft * M68040 Software Package Copyright (c) 1993, 1994 Motorola Inc. 8 1.1 mycroft * All rights reserved. 9 1.1 mycroft * 10 1.1 mycroft * THE SOFTWARE is provided on an "AS IS" basis and without warranty. 11 1.1 mycroft * To the maximum extent permitted by applicable law, 12 1.1 mycroft * MOTOROLA DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED, 13 1.1 mycroft * INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A 14 1.1 mycroft * PARTICULAR PURPOSE and any warranty against infringement with 15 1.1 mycroft * regard to the SOFTWARE (INCLUDING ANY MODIFIED VERSIONS THEREOF) 16 1.1 mycroft * and any accompanying written materials. 17 1.1 mycroft * 18 1.1 mycroft * To the maximum extent permitted by applicable law, 19 1.1 mycroft * IN NO EVENT SHALL MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER 20 1.1 mycroft * (INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS 21 1.1 mycroft * PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR 22 1.1 mycroft * OTHER PECUNIARY LOSS) ARISING OF THE USE OR INABILITY TO USE THE 23 1.1 mycroft * SOFTWARE. Motorola assumes no responsibility for the maintenance 24 1.1 mycroft * and support of the SOFTWARE. 25 1.1 mycroft * 26 1.1 mycroft * You are hereby granted a copyright license to use, modify, and 27 1.1 mycroft * distribute the SOFTWARE so long as this entire notice is retained 28 1.1 mycroft * without alteration in any modified and/or redistributed versions, 29 1.1 mycroft * and that such modified versions are clearly identified as such. 30 1.1 mycroft * No licenses are granted by implication, estoppel or otherwise 31 1.1 mycroft * under any patents or trademarks of Motorola, Inc. 32 1.1 mycroft 33 1.1 mycroft * 34 1.1 mycroft * DYADIC.CI5 1.2 4/30/91 35 1.1 mycroft * 36 1.1 mycroft * DYADIC.CI5 --- DYADIC template for CI5 compiler 37 1.1 mycroft * 38 1.1 mycroft 39 1.1 mycroft xref _OPa_ 40 1.1 mycroft xref tag 41 1.1 mycroft 42 1.1 mycroft xdef _OPd_ 43 1.1 mycroft _OPd_: 44 1.1 mycroft link a6,#-LOCAL_SIZE 45 1.1 mycroft fmovem.x fp2-fp3,USER_FP2(a6) 46 1.1 mycroft fmovem.l fpsr/fpcr,USER_FPSR(a6) ; user's rounding mode/precision 47 1.1 mycroft fmove.l #0,fpcr ; force rounding mode/prec to extended,rn 48 1.1 mycroft * 49 1.1 mycroft * copy, convert and tag input arguments 50 1.1 mycroft * 51 1.1 mycroft fmove.d 8(a6),fp0 52 1.1 mycroft fmove.x fp0,FPTEMP(a6) 53 1.1 mycroft lea FPTEMP(a6),a0 54 1.1 mycroft bsr tag 55 1.1 mycroft move.b d0,DTAG(a6) 56 1.1 mycroft 57 1.1 mycroft fmove.d 16(a6),fp0 58 1.1 mycroft fmove.x fp0,ETEMP(a6) 59 1.1 mycroft lea ETEMP(a6),a0 60 1.1 mycroft bsr tag 61 1.1 mycroft move.b d0,STAG(a6) 62 1.1 mycroft 63 1.1 mycroft bsr _OPa_ 64 1.1 mycroft 65 1.1 mycroft fmove.l fpsr,d0 ; update status register 66 1.1 mycroft or.b FPSR_AEXCEPT(a6),d0 ;add previously accrued exceptions 67 1.1 mycroft swap.w d0 68 1.1 mycroft or.b FPSR_QBYTE(a6),d0 ; pickup sign of quotient byte 69 1.1 mycroft swap.w d0 70 1.1 mycroft fmove.l d0,fpsr 71 1.1 mycroft * 72 1.1 mycroft * Result is now in FP0 73 1.1 mycroft * 74 1.1 mycroft fmovem.x USER_FP2(a6),fp2-fp3 ; note: FP0/FP1 not restored 75 1.1 mycroft unlk a6 76 1.1 mycroft rts 77 1.1 mycroft 78