96 lines
1.9 KiB
C
96 lines
1.9 KiB
C
#ifndef NORCSID
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static char rcsid[] = "$Header$";
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#endif
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#include "assert.h"
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#include "param.h"
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#include "types.h"
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#include "line.h"
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#include "proinf.h"
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#include "alloc.h"
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#include <em_spec.h>
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#include <em_pseu.h>
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#include <em_mes.h>
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#include "ext.h"
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*
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* Author: Hans van Staveren
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*/
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regvar(ap) register arg_p ap; {
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register reg_p rp;
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register i;
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rp = newreg();
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i=0;
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while (ap!=(arg_p)0 && ap->a_typ==ARGOFF && i<4) {
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rp->r_par[i++]=ap->a_a.a_offset;
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ap=ap->a_next;
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}
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/*
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* Omit incomplete messages
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*/
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switch(i) {
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default:assert(FALSE);
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case 0:
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case 1:
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case 2: oldreg(rp); return;
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case 3: rp->r_par[3]= (offset) 0; break;
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case 4: break;
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}
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rp->r_next = curpro.freg;
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curpro.freg = rp;
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}
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inreg(off) offset off; {
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register reg_p rp;
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for (rp=curpro.freg; rp != (reg_p) 0; rp=rp->r_next)
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if( rp->r_par[0] == off)
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return(TRUE);
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return(FALSE);
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}
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outregs() {
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register reg_p rp,tp;
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register i;
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for(rp=curpro.freg; rp != (reg_p) 0; rp = tp) {
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tp = rp->r_next;
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if (rp->r_par[3] != 0) {
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outinst(ps_mes);
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outoff((offset)ms_reg);
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for(i=0;i<4;i++)
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outoff(rp->r_par[i]);
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outinst(sp_cend);
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}
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oldreg(rp);
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}
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/* List of register messages is followed by an empty ms_reg
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* unless an ms_gto was in this procedure, then the ms_gto
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* will be output. Kludgy.
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*/
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outinst(ps_mes);
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outoff((offset)(curpro.gtoproc? ms_gto : ms_reg));
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outinst(sp_cend);
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curpro.freg = (reg_p) 0;
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}
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incregusage(off) offset off; {
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register reg_p rp;
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#ifndef GLOBAL_OPT
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/* If we're optimizing the output of the global optimizer
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* we must not change the count fields of the register messages.
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*/
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for(rp=curpro.freg; rp != (reg_p) 0; rp=rp->r_next)
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if (rp->r_par[0]==off) {
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rp->r_par[3]++;
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return;
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}
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#endif
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}
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