1 * $NetBSD: DYADIC.R3V6,v 1.2 1994/10/26 07:48:31 cgd Exp $
3 * MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP
4 * M68000 Hi-Performance Microprocessor Division
5 * M68040 Software Package
7 * M68040 Software Package Copyright (c) 1993, 1994 Motorola Inc.
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34 * DYADIC.R3V6 1.2 4/30/91
36 * DYADIC.R3V6 --- DYADIC template for MCD R3V6 native C compiler
38 * The MCD compiler is old. It returns float and double values
39 * as a double stored in d0/d1. There is no support for single or extended
40 * precision operations. It's not clear whether the float registers
41 * should be preserved, so for speed they're not.
50 fmovem.l fpsr/fpcr,USER_FPSR(a6) ; user's rounding mode/precision
51 fmove.l #0,fpcr ; force rounding mode/prec to extended,rn
53 * copy and convert arguments to ETEMP, FPTEMP.
56 fmove.x fp0,FPTEMP(a6)
69 fmove.d fp0,USER_D0(a6) ; result goes into d0/d1 pair
70 movem.l USER_D0(a6),d0-d1