152 lines
3.1 KiB
C
152 lines
3.1 KiB
C
/* $Header$ */
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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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#include <stdio.h>
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#include <em_spec.h>
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#include "../share/types.h"
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#include "../share/debug.h"
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#include "../share/lset.h"
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#include "cs.h"
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#include "cs_aux.h"
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#include "cs_avail.h"
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#include "cs_entity.h"
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#ifdef VERBOSE
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extern char em_mnem[]; /* The mnemonics of the EM instructions. */
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STATIC showinstr(lnp)
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line_p lnp;
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{
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/* Makes the instruction in `lnp' human readable. Only lines that
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* can occur in expressions that are going to be eliminated are
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* properly handled.
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*/
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if (INSTR(lnp) < sp_fmnem && INSTR(lnp) > sp_lmnem) {
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fprintf(stderr,"*** ?\n");
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return;
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}
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fprintf(stderr,"%s", &em_mnem[4 * (INSTR(lnp)-sp_fmnem)]);
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switch (TYPE(lnp)) {
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case OPNO:
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break;
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case OPSHORT:
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fprintf(stderr," %d", SHORT(lnp));
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break;
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case OPOBJECT:
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fprintf(stderr," %d", OBJ(lnp)->o_id);
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break;
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case OPOFFSET:
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fprintf(stderr," %ld", OFFSET(lnp));
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break;
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default:
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fprintf(stderr," ?");
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break;
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}
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fprintf(stderr,"\n");
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}
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SHOWOCCUR(ocp)
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occur_p ocp;
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{
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/* Shows all instructions in an occurrence. */
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register line_p lnp, next;
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if (verbose_flag) {
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for (lnp = ocp->oc_lfirst; lnp != (line_p) 0; lnp = next) {
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next = lnp == ocp->oc_llast ? (line_p) 0 : lnp->l_next;
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showinstr(lnp);
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}
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}
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}
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#endif
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#ifdef TRACE
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SHOWAVAIL(avp)
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avail_p avp;
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{
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/* Shows an available expression. */
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showinstr(avp->av_found);
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fprintf(stderr,"result %d,", avp->av_result);
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fprintf(stderr,"occurred %d times\n", Lnrelems(avp->av_occurs) + 1);
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}
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OUTAVAILS()
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{
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register avail_p ravp;
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fprintf(stderr,"AVAILABLE EXPRESSIONS\n");
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for (ravp = avails; ravp != (avail_p) 0; ravp = ravp->av_before) {
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SHOWAVAIL(ravp);
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fprintf(stderr,"\n");
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}
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}
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STATIC char *enkinds[] = {
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"constant",
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"local",
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"external",
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"indirect",
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"offsetted",
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"address of local",
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"address of external",
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"address of offsetted",
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"address of local base",
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"address of argument base",
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"procedure",
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"floating zero",
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"array element",
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"local base",
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"heap pointer",
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"ignore mask"
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};
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OUTENTITIES()
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{
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register Lindex i;
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fprintf(stderr,"ENTITIES\n");
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for (i = Lfirst(entities); i != (Lindex) 0; i = Lnext(i, entities)) {
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register entity_p rep = en_elem(i);
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fprintf(stderr,"%s,", enkinds[rep->en_kind]);
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fprintf(stderr,"size %ld,", rep->en_size);
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fprintf(stderr,"valno %d,", rep->en_vn);
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switch (rep->en_kind) {
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case ENCONST:
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fprintf(stderr,"$%ld\n", rep->en_val);
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break;
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case ENLOCAL:
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case ENALOCAL:
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fprintf(stderr,"%ld(LB)\n", rep->en_loc);
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break;
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case ENINDIR:
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fprintf(stderr,"*%d\n", rep->en_ind);
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break;
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case ENOFFSETTED:
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case ENAOFFSETTED:
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fprintf(stderr,"%ld(%d)\n", rep->en_off, rep->en_base);
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break;
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case ENALOCBASE:
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case ENAARGBASE:
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fprintf(stderr,"%ld levels\n", rep->en_levels);
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break;
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case ENARRELEM:
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fprintf(stderr,"%d[%d], ",rep->en_arbase,rep->en_index);
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fprintf(stderr,"rom at %d\n", rep->en_adesc);
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break;
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}
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fprintf(stderr,"\n");
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}
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}
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#endif /* TRACE */
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