DYADIC.CI5 revision 1.1
1 * MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP 2 * M68000 Hi-Performance Microprocessor Division 3 * M68040 Software Package 4 * 5 * M68040 Software Package Copyright (c) 1993, 1994 Motorola Inc. 6 * All rights reserved. 7 * 8 * THE SOFTWARE is provided on an "AS IS" basis and without warranty. 9 * To the maximum extent permitted by applicable law, 10 * MOTOROLA DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED, 11 * INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A 12 * PARTICULAR PURPOSE and any warranty against infringement with 13 * regard to the SOFTWARE (INCLUDING ANY MODIFIED VERSIONS THEREOF) 14 * and any accompanying written materials. 15 * 16 * To the maximum extent permitted by applicable law, 17 * IN NO EVENT SHALL MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER 18 * (INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS 19 * PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR 20 * OTHER PECUNIARY LOSS) ARISING OF THE USE OR INABILITY TO USE THE 21 * SOFTWARE. Motorola assumes no responsibility for the maintenance 22 * and support of the SOFTWARE. 23 * 24 * You are hereby granted a copyright license to use, modify, and 25 * distribute the SOFTWARE so long as this entire notice is retained 26 * without alteration in any modified and/or redistributed versions, 27 * and that such modified versions are clearly identified as such. 28 * No licenses are granted by implication, estoppel or otherwise 29 * under any patents or trademarks of Motorola, Inc. 30 31 * 32 * DYADIC.CI5 1.2 4/30/91 33 * 34 * DYADIC.CI5 --- DYADIC template for CI5 compiler 35 * 36 37 xref _OPa_ 38 xref tag 39 40 xdef _OPd_ 41 _OPd_: 42 link a6,#-LOCAL_SIZE 43 fmovem.x fp2-fp3,USER_FP2(a6) 44 fmovem.l fpsr/fpcr,USER_FPSR(a6) ; user's rounding mode/precision 45 fmove.l #0,fpcr ; force rounding mode/prec to extended,rn 46 * 47 * copy, convert and tag input arguments 48 * 49 fmove.d 8(a6),fp0 50 fmove.x fp0,FPTEMP(a6) 51 lea FPTEMP(a6),a0 52 bsr tag 53 move.b d0,DTAG(a6) 54 55 fmove.d 16(a6),fp0 56 fmove.x fp0,ETEMP(a6) 57 lea ETEMP(a6),a0 58 bsr tag 59 move.b d0,STAG(a6) 60 61 bsr _OPa_ 62 63 fmove.l fpsr,d0 ; update status register 64 or.b FPSR_AEXCEPT(a6),d0 ;add previously accrued exceptions 65 swap.w d0 66 or.b FPSR_QBYTE(a6),d0 ; pickup sign of quotient byte 67 swap.w d0 68 fmove.l d0,fpsr 69 * 70 * Result is now in FP0 71 * 72 fmovem.x USER_FP2(a6),fp2-fp3 ; note: FP0/FP1 not restored 73 unlk a6 74 rts 75 76
Indexes created Sat Nov 01 05:10:12 GMT 2025