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-rw-r--r--src/liblink/asm9.c852
1 files changed, 852 insertions, 0 deletions
diff --git a/src/liblink/asm9.c b/src/liblink/asm9.c
index ea510df79..27ccb0a23 100644
--- a/src/liblink/asm9.c
+++ b/src/liblink/asm9.c
@@ -402,6 +402,843 @@ Optab optab[] =
{ AXXX, C_NONE, C_NONE, C_NONE, C_NONE, 0, 4, 0 },
};
+#include "l.h"
+
+void
+span(void)
+{
+ Prog *p, *q;
+ Sym *setext;
+ Optab *o;
+ int m, bflag;
+ vlong c, otxt;
+
+ if(debug['v'])
+ Bprint(&bso, "%5.2f span\n", cputime());
+ Bflush(&bso);
+
+ bflag = 0;
+ c = INITTEXT;
+ otxt = c;
+ for(p = firstp; p != P; p = p->link) {
+ p->pc = c;
+ o = oplook(p);
+ m = o->size;
+ if(m == 0) {
+ if(p->as == ATEXT) {
+ curtext = p;
+ autosize = p->to.offset + 8;
+ if(p->from3.type == D_CONST) {
+ if(p->from3.offset & 3)
+ diag("illegal origin\n%P", p);
+ if(c > p->from3.offset)
+ diag("passed origin (#%llux)\n%P", c, p);
+ else
+ c = p->from3.offset;
+ p->pc = c;
+ }
+ if(p->from.sym != S)
+ p->from.sym->value = c;
+ /* need passes to resolve branches? */
+ if(c-otxt >= (1L<<15))
+ bflag = c;
+ otxt = c;
+ continue;
+ }
+ if(p->as != ANOP)
+ diag("zero-width instruction\n%P", p);
+ continue;
+ }
+ c += m;
+ }
+
+ /*
+ * if any procedure is large enough to
+ * generate a large SBRA branch, then
+ * generate extra passes putting branches
+ * around jmps to fix. this is rare.
+ */
+ while(bflag) {
+ if(debug['v'])
+ Bprint(&bso, "%5.2f span1\n", cputime());
+ bflag = 0;
+ c = INITTEXT;
+ for(p = firstp; p != P; p = p->link) {
+ p->pc = c;
+ o = oplook(p);
+ if((o->type == 16 || o->type == 17) && p->cond) {
+ otxt = p->cond->pc - c;
+ if(otxt < -(1L<<16)+10 || otxt >= (1L<<15)-10) {
+ q = prg();
+ q->link = p->link;
+ p->link = q;
+ q->as = ABR;
+ q->to.type = D_BRANCH;
+ q->cond = p->cond;
+ p->cond = q;
+ q = prg();
+ q->link = p->link;
+ p->link = q;
+ q->as = ABR;
+ q->to.type = D_BRANCH;
+ q->cond = q->link->link;
+ addnop(p->link);
+ addnop(p);
+ bflag = 1;
+ }
+ }
+ m = o->size;
+ if(m == 0) {
+ if(p->as == ATEXT) {
+ curtext = p;
+ autosize = p->to.offset + 8;
+ if(p->from.sym != S)
+ p->from.sym->value = c;
+ continue;
+ }
+ if(p->as != ANOP)
+ diag("zero-width instruction\n%P", p);
+ continue;
+ }
+ c += m;
+ }
+ }
+
+ c = rnd(c, 8);
+
+ setext = lookup("etext", 0);
+ if(setext != S) {
+ setext->value = c;
+ textsize = c - INITTEXT;
+ }
+ if(INITRND)
+ INITDAT = rnd(c, INITRND);
+ if(debug['v'])
+ Bprint(&bso, "tsize = %llux\n", textsize);
+ Bflush(&bso);
+}
+
+void
+xdefine(char *p, int t, vlong v)
+{
+ Sym *s;
+
+ s = lookup(p, 0);
+ if(s->type == 0 || s->type == SXREF) {
+ s->type = t;
+ s->value = v;
+ }
+}
+
+int
+isint32(vlong v)
+{
+ long l;
+
+ l = v;
+ return (vlong)l == v;
+}
+
+int
+isuint32(uvlong v)
+{
+ ulong l;
+
+ l = v;
+ return (uvlong)l == v;
+}
+
+int
+aclass(Adr *a)
+{
+ Sym *s;
+ int t;
+
+ switch(a->type) {
+ case D_NONE:
+ return C_NONE;
+
+ case D_REG:
+ return C_REG;
+
+ case D_FREG:
+ return C_FREG;
+
+ case D_CREG:
+ return C_CREG;
+
+ case D_SPR:
+ if(a->offset == D_LR)
+ return C_LR;
+ if(a->offset == D_XER)
+ return C_XER;
+ if(a->offset == D_CTR)
+ return C_CTR;
+ return C_SPR;
+
+ case D_DCR:
+ return C_SPR;
+
+ case D_FPSCR:
+ return C_FPSCR;
+
+ case D_MSR:
+ return C_MSR;
+
+ case D_OREG:
+ switch(a->name) {
+ case D_EXTERN:
+ case D_STATIC:
+ if(a->sym == S)
+ break;
+ t = a->sym->type;
+ if(t == 0 || t == SXREF) {
+ diag("undefined external: %s in %s",
+ a->sym->name, TNAME);
+ a->sym->type = SDATA;
+ }
+ if(dlm){
+ instoffset = a->sym->value + a->offset;
+ switch(a->sym->type){
+ case STEXT:
+ case SLEAF:
+ case SCONST:
+ case SUNDEF:
+ break;
+ default:
+ instoffset += INITDAT;
+ }
+ return C_ADDR;
+ }
+ instoffset = a->sym->value + a->offset - BIG;
+ if(instoffset >= -BIG && instoffset < BIG)
+ return C_SEXT;
+ return C_LEXT;
+ case D_AUTO:
+ instoffset = autosize + a->offset;
+ if(instoffset >= -BIG && instoffset < BIG)
+ return C_SAUTO;
+ return C_LAUTO;
+ case D_PARAM:
+ instoffset = autosize + a->offset + 8L;
+ if(instoffset >= -BIG && instoffset < BIG)
+ return C_SAUTO;
+ return C_LAUTO;
+ case D_NONE:
+ instoffset = a->offset;
+ if(instoffset == 0)
+ return C_ZOREG;
+ if(instoffset >= -BIG && instoffset < BIG)
+ return C_SOREG;
+ return C_LOREG;
+ }
+ return C_GOK;
+
+ case D_OPT:
+ instoffset = a->offset & 31L;
+ if(a->name == D_NONE)
+ return C_SCON;
+ return C_GOK;
+
+ case D_CONST:
+ switch(a->name) {
+
+ case D_NONE:
+ instoffset = a->offset;
+ consize:
+ if(instoffset >= 0) {
+ if(instoffset == 0)
+ return C_ZCON;
+ if(instoffset <= 0x7fff)
+ return C_SCON;
+ if(instoffset <= 0xffff)
+ return C_ANDCON;
+ if((instoffset & 0xffff) == 0 && isuint32(instoffset)) /* && (instoffset & (1<<31)) == 0) */
+ return C_UCON;
+ if(isint32(instoffset) || isuint32(instoffset))
+ return C_LCON;
+ return C_DCON;
+ }
+ if(instoffset >= -0x8000)
+ return C_ADDCON;
+ if((instoffset & 0xffff) == 0 && isint32(instoffset))
+ return C_UCON;
+ if(isint32(instoffset))
+ return C_LCON;
+ return C_DCON;
+
+ case D_EXTERN:
+ case D_STATIC:
+ s = a->sym;
+ if(s == S)
+ break;
+ t = s->type;
+ if(t == 0 || t == SXREF) {
+ diag("undefined external: %s in %s",
+ s->name, TNAME);
+ s->type = SDATA;
+ }
+ if(s->type == STEXT || s->type == SLEAF || s->type == SUNDEF) {
+ instoffset = s->value + a->offset;
+ return C_LCON;
+ }
+ if(s->type == SCONST) {
+ instoffset = s->value + a->offset;
+ if(dlm)
+ return C_LCON;
+ goto consize;
+ }
+ if(!dlm){
+ instoffset = s->value + a->offset - BIG;
+ if(instoffset >= -BIG && instoffset < BIG && instoffset != 0)
+ return C_SECON;
+ }
+ instoffset = s->value + a->offset + INITDAT;
+ if(dlm)
+ return C_LCON;
+ /* not sure why this barfs */
+ return C_LCON;
+ /*
+ if(instoffset == 0)
+ return C_ZCON;
+ if(instoffset >= -0x8000 && instoffset <= 0xffff)
+ return C_SCON;
+ if((instoffset & 0xffff) == 0)
+ return C_UCON;
+ return C_LCON;
+ */
+
+ case D_AUTO:
+ instoffset = autosize + a->offset;
+ if(instoffset >= -BIG && instoffset < BIG)
+ return C_SACON;
+ return C_LACON;
+
+ case D_PARAM:
+ instoffset = autosize + a->offset + 8L;
+ if(instoffset >= -BIG && instoffset < BIG)
+ return C_SACON;
+ return C_LACON;
+ }
+ return C_GOK;
+
+ case D_BRANCH:
+ return C_SBRA;
+ }
+ return C_GOK;
+}
+
+Optab*
+oplook(Prog *p)
+{
+ int a1, a2, a3, a4, r;
+ char *c1, *c3, *c4;
+ Optab *o, *e;
+
+ a1 = p->optab;
+ if(a1)
+ return optab+(a1-1);
+ a1 = p->from.class;
+ if(a1 == 0) {
+ a1 = aclass(&p->from) + 1;
+ p->from.class = a1;
+ }
+ a1--;
+ a3 = p->from3.class;
+ if(a3 == 0) {
+ a3 = aclass(&p->from3) + 1;
+ p->from3.class = a3;
+ }
+ a3--;
+ a4 = p->to.class;
+ if(a4 == 0) {
+ a4 = aclass(&p->to) + 1;
+ p->to.class = a4;
+ }
+ a4--;
+ a2 = C_NONE;
+ if(p->reg != NREG)
+ a2 = C_REG;
+ r = p->as;
+ o = oprange[r].start;
+ if(o == 0)
+ o = oprange[r].stop; /* just generate an error */
+ e = oprange[r].stop;
+ c1 = xcmp[a1];
+ c3 = xcmp[a3];
+ c4 = xcmp[a4];
+ for(; o<e; o++)
+ if(o->a2 == a2)
+ if(c1[o->a1])
+ if(c3[o->a3])
+ if(c4[o->a4]) {
+ p->optab = (o-optab)+1;
+ return o;
+ }
+ diag("illegal combination %A %R %R %R %R",
+ p->as, a1, a2, a3, a4);
+ if(1||!debug['a'])
+ prasm(p);
+ if(o == 0)
+ errorexit();
+ return o;
+}
+
+int
+cmp(int a, int b)
+{
+
+ if(a == b)
+ return 1;
+ switch(a) {
+ case C_LCON:
+ if(b == C_ZCON || b == C_SCON || b == C_UCON || b == C_ADDCON || b == C_ANDCON)
+ return 1;
+ break;
+ case C_ADDCON:
+ if(b == C_ZCON || b == C_SCON)
+ return 1;
+ break;
+ case C_ANDCON:
+ if(b == C_ZCON || b == C_SCON)
+ return 1;
+ break;
+ case C_SPR:
+ if(b == C_LR || b == C_XER || b == C_CTR)
+ return 1;
+ break;
+ case C_UCON:
+ if(b == C_ZCON)
+ return 1;
+ break;
+ case C_SCON:
+ if(b == C_ZCON)
+ return 1;
+ break;
+ case C_LACON:
+ if(b == C_SACON)
+ return 1;
+ break;
+ case C_LBRA:
+ if(b == C_SBRA)
+ return 1;
+ break;
+ case C_LEXT:
+ if(b == C_SEXT)
+ return 1;
+ break;
+ case C_LAUTO:
+ if(b == C_SAUTO)
+ return 1;
+ break;
+ case C_REG:
+ if(b == C_ZCON)
+ return r0iszero;
+ break;
+ case C_LOREG:
+ if(b == C_ZOREG || b == C_SOREG)
+ return 1;
+ break;
+ case C_SOREG:
+ if(b == C_ZOREG)
+ return 1;
+ break;
+
+ case C_ANY:
+ return 1;
+ }
+ return 0;
+}
+
+int
+ocmp(void *a1, void *a2)
+{
+ Optab *p1, *p2;
+ int n;
+
+ p1 = a1;
+ p2 = a2;
+ n = p1->as - p2->as;
+ if(n)
+ return n;
+ n = p1->a1 - p2->a1;
+ if(n)
+ return n;
+ n = p1->a2 - p2->a2;
+ if(n)
+ return n;
+ n = p1->a3 - p2->a3;
+ if(n)
+ return n;
+ n = p1->a4 - p2->a4;
+ if(n)
+ return n;
+ return 0;
+}
+
+void
+buildop(void)
+{
+ int i, n, r;
+
+ for(i=0; i<C_NCLASS; i++)
+ for(n=0; n<C_NCLASS; n++)
+ xcmp[i][n] = cmp(n, i);
+ for(n=0; optab[n].as != AXXX; n++)
+ ;
+ qsort(optab, n, sizeof(optab[0]), ocmp);
+ for(i=0; i<n; i++) {
+ r = optab[i].as;
+ oprange[r].start = optab+i;
+ while(optab[i].as == r)
+ i++;
+ oprange[r].stop = optab+i;
+ i--;
+
+ switch(r)
+ {
+ default:
+ diag("unknown op in build: %A", r);
+ errorexit();
+ case ADCBF: /* unary indexed: op (b+a); op (b) */
+ oprange[ADCBI] = oprange[r];
+ oprange[ADCBST] = oprange[r];
+ oprange[ADCBT] = oprange[r];
+ oprange[ADCBTST] = oprange[r];
+ oprange[ADCBZ] = oprange[r];
+ oprange[AICBI] = oprange[r];
+ break;
+ case AECOWX: /* indexed store: op s,(b+a); op s,(b) */
+ oprange[ASTWCCC] = oprange[r];
+ break;
+ case AREM: /* macro */
+ oprange[AREMCC] = oprange[r];
+ oprange[AREMV] = oprange[r];
+ oprange[AREMVCC] = oprange[r];
+ oprange[AREMU] = oprange[r];
+ oprange[AREMUCC] = oprange[r];
+ oprange[AREMUV] = oprange[r];
+ oprange[AREMUVCC] = oprange[r];
+ break;
+ case AREMD:
+ oprange[AREMDCC] = oprange[r];
+ oprange[AREMDV] = oprange[r];
+ oprange[AREMDVCC] = oprange[r];
+ oprange[AREMDU] = oprange[r];
+ oprange[AREMDUCC] = oprange[r];
+ oprange[AREMDUV] = oprange[r];
+ oprange[AREMDUVCC] = oprange[r];
+ break;
+ case ADIVW: /* op Rb[,Ra],Rd */
+ oprange[AMULHW] = oprange[r];
+ oprange[AMULHWCC] = oprange[r];
+ oprange[AMULHWU] = oprange[r];
+ oprange[AMULHWUCC] = oprange[r];
+ oprange[AMULLWCC] = oprange[r];
+ oprange[AMULLWVCC] = oprange[r];
+ oprange[AMULLWV] = oprange[r];
+ oprange[ADIVWCC] = oprange[r];
+ oprange[ADIVWV] = oprange[r];
+ oprange[ADIVWVCC] = oprange[r];
+ oprange[ADIVWU] = oprange[r];
+ oprange[ADIVWUCC] = oprange[r];
+ oprange[ADIVWUV] = oprange[r];
+ oprange[ADIVWUVCC] = oprange[r];
+ oprange[AADDCC] = oprange[r];
+ oprange[AADDCV] = oprange[r];
+ oprange[AADDCVCC] = oprange[r];
+ oprange[AADDV] = oprange[r];
+ oprange[AADDVCC] = oprange[r];
+ oprange[AADDE] = oprange[r];
+ oprange[AADDECC] = oprange[r];
+ oprange[AADDEV] = oprange[r];
+ oprange[AADDEVCC] = oprange[r];
+ oprange[ACRAND] = oprange[r];
+ oprange[ACRANDN] = oprange[r];
+ oprange[ACREQV] = oprange[r];
+ oprange[ACRNAND] = oprange[r];
+ oprange[ACRNOR] = oprange[r];
+ oprange[ACROR] = oprange[r];
+ oprange[ACRORN] = oprange[r];
+ oprange[ACRXOR] = oprange[r];
+ oprange[AMULHD] = oprange[r];
+ oprange[AMULHDCC] = oprange[r];
+ oprange[AMULHDU] = oprange[r];
+ oprange[AMULHDUCC] = oprange[r];
+ oprange[AMULLD] = oprange[r];
+ oprange[AMULLDCC] = oprange[r];
+ oprange[AMULLDVCC] = oprange[r];
+ oprange[AMULLDV] = oprange[r];
+ oprange[ADIVD] = oprange[r];
+ oprange[ADIVDCC] = oprange[r];
+ oprange[ADIVDVCC] = oprange[r];
+ oprange[ADIVDV] = oprange[r];
+ oprange[ADIVDU] = oprange[r];
+ oprange[ADIVDUCC] = oprange[r];
+ oprange[ADIVDUVCC] = oprange[r];
+ oprange[ADIVDUCC] = oprange[r];
+ break;
+ case AMOVBZ: /* lbz, stz, rlwm(r/r), lhz, lha, stz, and x variants */
+ oprange[AMOVH] = oprange[r];
+ oprange[AMOVHZ] = oprange[r];
+ break;
+ case AMOVBZU: /* lbz[x]u, stb[x]u, lhz[x]u, lha[x]u, sth[u]x, ld[x]u, std[u]x */
+ oprange[AMOVHU] = oprange[r];
+ oprange[AMOVHZU] = oprange[r];
+ oprange[AMOVWU] = oprange[r];
+ oprange[AMOVWZU] = oprange[r];
+ oprange[AMOVDU] = oprange[r];
+ oprange[AMOVMW] = oprange[r];
+ break;
+ case AAND: /* logical op Rb,Rs,Ra; no literal */
+ oprange[AANDN] = oprange[r];
+ oprange[AANDNCC] = oprange[r];
+ oprange[AEQV] = oprange[r];
+ oprange[AEQVCC] = oprange[r];
+ oprange[ANAND] = oprange[r];
+ oprange[ANANDCC] = oprange[r];
+ oprange[ANOR] = oprange[r];
+ oprange[ANORCC] = oprange[r];
+ oprange[AORCC] = oprange[r];
+ oprange[AORN] = oprange[r];
+ oprange[AORNCC] = oprange[r];
+ oprange[AXORCC] = oprange[r];
+ break;
+ case AADDME: /* op Ra, Rd */
+ oprange[AADDMECC] = oprange[r];
+ oprange[AADDMEV] = oprange[r];
+ oprange[AADDMEVCC] = oprange[r];
+ oprange[AADDZE] = oprange[r];
+ oprange[AADDZECC] = oprange[r];
+ oprange[AADDZEV] = oprange[r];
+ oprange[AADDZEVCC] = oprange[r];
+ oprange[ASUBME] = oprange[r];
+ oprange[ASUBMECC] = oprange[r];
+ oprange[ASUBMEV] = oprange[r];
+ oprange[ASUBMEVCC] = oprange[r];
+ oprange[ASUBZE] = oprange[r];
+ oprange[ASUBZECC] = oprange[r];
+ oprange[ASUBZEV] = oprange[r];
+ oprange[ASUBZEVCC] = oprange[r];
+ break;
+ case AADDC:
+ oprange[AADDCCC] = oprange[r];
+ break;
+ case ABEQ:
+ oprange[ABGE] = oprange[r];
+ oprange[ABGT] = oprange[r];
+ oprange[ABLE] = oprange[r];
+ oprange[ABLT] = oprange[r];
+ oprange[ABNE] = oprange[r];
+ oprange[ABVC] = oprange[r];
+ oprange[ABVS] = oprange[r];
+ break;
+ case ABR:
+ oprange[ABL] = oprange[r];
+ break;
+ case ABC:
+ oprange[ABCL] = oprange[r];
+ break;
+ case AEXTSB: /* op Rs, Ra */
+ oprange[AEXTSBCC] = oprange[r];
+ oprange[AEXTSH] = oprange[r];
+ oprange[AEXTSHCC] = oprange[r];
+ oprange[ACNTLZW] = oprange[r];
+ oprange[ACNTLZWCC] = oprange[r];
+ oprange[ACNTLZD] = oprange[r];
+ oprange[AEXTSW] = oprange[r];
+ oprange[AEXTSWCC] = oprange[r];
+ oprange[ACNTLZDCC] = oprange[r];
+ break;
+ case AFABS: /* fop [s,]d */
+ oprange[AFABSCC] = oprange[r];
+ oprange[AFNABS] = oprange[r];
+ oprange[AFNABSCC] = oprange[r];
+ oprange[AFNEG] = oprange[r];
+ oprange[AFNEGCC] = oprange[r];
+ oprange[AFRSP] = oprange[r];
+ oprange[AFRSPCC] = oprange[r];
+ oprange[AFCTIW] = oprange[r];
+ oprange[AFCTIWCC] = oprange[r];
+ oprange[AFCTIWZ] = oprange[r];
+ oprange[AFCTIWZCC] = oprange[r];
+ oprange[AFCTID] = oprange[r];
+ oprange[AFCTIDCC] = oprange[r];
+ oprange[AFCTIDZ] = oprange[r];
+ oprange[AFCTIDZCC] = oprange[r];
+ oprange[AFCFID] = oprange[r];
+ oprange[AFCFIDCC] = oprange[r];
+ oprange[AFRES] = oprange[r];
+ oprange[AFRESCC] = oprange[r];
+ oprange[AFRSQRTE] = oprange[r];
+ oprange[AFRSQRTECC] = oprange[r];
+ oprange[AFSQRT] = oprange[r];
+ oprange[AFSQRTCC] = oprange[r];
+ oprange[AFSQRTS] = oprange[r];
+ oprange[AFSQRTSCC] = oprange[r];
+ break;
+ case AFADD:
+ oprange[AFADDS] = oprange[r];
+ oprange[AFADDCC] = oprange[r];
+ oprange[AFADDSCC] = oprange[r];
+ oprange[AFDIV] = oprange[r];
+ oprange[AFDIVS] = oprange[r];
+ oprange[AFDIVCC] = oprange[r];
+ oprange[AFDIVSCC] = oprange[r];
+ oprange[AFSUB] = oprange[r];
+ oprange[AFSUBS] = oprange[r];
+ oprange[AFSUBCC] = oprange[r];
+ oprange[AFSUBSCC] = oprange[r];
+ break;
+ case AFMADD:
+ oprange[AFMADDCC] = oprange[r];
+ oprange[AFMADDS] = oprange[r];
+ oprange[AFMADDSCC] = oprange[r];
+ oprange[AFMSUB] = oprange[r];
+ oprange[AFMSUBCC] = oprange[r];
+ oprange[AFMSUBS] = oprange[r];
+ oprange[AFMSUBSCC] = oprange[r];
+ oprange[AFNMADD] = oprange[r];
+ oprange[AFNMADDCC] = oprange[r];
+ oprange[AFNMADDS] = oprange[r];
+ oprange[AFNMADDSCC] = oprange[r];
+ oprange[AFNMSUB] = oprange[r];
+ oprange[AFNMSUBCC] = oprange[r];
+ oprange[AFNMSUBS] = oprange[r];
+ oprange[AFNMSUBSCC] = oprange[r];
+ oprange[AFSEL] = oprange[r];
+ oprange[AFSELCC] = oprange[r];
+ break;
+ case AFMUL:
+ oprange[AFMULS] = oprange[r];
+ oprange[AFMULCC] = oprange[r];
+ oprange[AFMULSCC] = oprange[r];
+ break;
+ case AFCMPO:
+ oprange[AFCMPU] = oprange[r];
+ break;
+ case AMTFSB0:
+ oprange[AMTFSB0CC] = oprange[r];
+ oprange[AMTFSB1] = oprange[r];
+ oprange[AMTFSB1CC] = oprange[r];
+ break;
+ case ANEG: /* op [Ra,] Rd */
+ oprange[ANEGCC] = oprange[r];
+ oprange[ANEGV] = oprange[r];
+ oprange[ANEGVCC] = oprange[r];
+ break;
+ case AOR: /* or/xor Rb,Rs,Ra; ori/xori $uimm,Rs,Ra; oris/xoris $uimm,Rs,Ra */
+ oprange[AXOR] = oprange[r];
+ break;
+ case ASLW:
+ oprange[ASLWCC] = oprange[r];
+ oprange[ASRW] = oprange[r];
+ oprange[ASRWCC] = oprange[r];
+ break;
+ case ASLD:
+ oprange[ASLDCC] = oprange[r];
+ oprange[ASRD] = oprange[r];
+ oprange[ASRDCC] = oprange[r];
+ break;
+ case ASRAW: /* sraw Rb,Rs,Ra; srawi sh,Rs,Ra */
+ oprange[ASRAWCC] = oprange[r];
+ break;
+ case ASRAD: /* sraw Rb,Rs,Ra; srawi sh,Rs,Ra */
+ oprange[ASRADCC] = oprange[r];
+ break;
+ case ASUB: /* SUB Ra,Rb,Rd => subf Rd,ra,rb */
+ oprange[ASUB] = oprange[r];
+ oprange[ASUBCC] = oprange[r];
+ oprange[ASUBV] = oprange[r];
+ oprange[ASUBVCC] = oprange[r];
+ oprange[ASUBCCC] = oprange[r];
+ oprange[ASUBCV] = oprange[r];
+ oprange[ASUBCVCC] = oprange[r];
+ oprange[ASUBE] = oprange[r];
+ oprange[ASUBECC] = oprange[r];
+ oprange[ASUBEV] = oprange[r];
+ oprange[ASUBEVCC] = oprange[r];
+ break;
+ case ASYNC:
+ oprange[AISYNC] = oprange[r];
+ oprange[APTESYNC] = oprange[r];
+ oprange[ATLBSYNC] = oprange[r];
+ break;
+ case ARLWMI:
+ oprange[ARLWMICC] = oprange[r];
+ oprange[ARLWNM] = oprange[r];
+ oprange[ARLWNMCC] = oprange[r];
+ break;
+ case ARLDMI:
+ oprange[ARLDMICC] = oprange[r];
+ break;
+ case ARLDC:
+ oprange[ARLDCCC] = oprange[r];
+ break;
+ case ARLDCL:
+ oprange[ARLDCR] = oprange[r];
+ oprange[ARLDCLCC] = oprange[r];
+ oprange[ARLDCRCC] = oprange[r];
+ break;
+ case AFMOVD:
+ oprange[AFMOVDCC] = oprange[r];
+ oprange[AFMOVDU] = oprange[r];
+ oprange[AFMOVS] = oprange[r];
+ oprange[AFMOVSU] = oprange[r];
+ break;
+ case AECIWX:
+ oprange[ALWAR] = oprange[r];
+ break;
+ case ASYSCALL: /* just the op; flow of control */
+ oprange[ARFI] = oprange[r];
+ oprange[ARFCI] = oprange[r];
+ oprange[ARFID] = oprange[r];
+ oprange[AHRFID] = oprange[r];
+ break;
+ case AMOVHBR:
+ oprange[AMOVWBR] = oprange[r];
+ break;
+ case ASLBMFEE:
+ oprange[ASLBMFEV] = oprange[r];
+ break;
+ case ATW:
+ oprange[ATD] = oprange[r];
+ break;
+ case ATLBIE:
+ oprange[ASLBIE] = oprange[r];
+ oprange[ATLBIEL] = oprange[r];
+ break;
+ case AEIEIO:
+ oprange[ASLBIA] = oprange[r];
+ break;
+ case ACMP:
+ oprange[ACMPW] = oprange[r];
+ break;
+ case ACMPU:
+ oprange[ACMPWU] = oprange[r];
+ break;
+ case AADD:
+ case AANDCC: /* and. Rb,Rs,Ra; andi. $uimm,Rs,Ra; andis. $uimm,Rs,Ra */
+ case ALSW:
+ case AMOVW: /* load/store/move word with sign extension; special 32-bit move; move 32-bit literals */
+ case AMOVWZ: /* load/store/move word with zero extension; move 32-bit literals */
+ case AMOVD: /* load/store/move 64-bit values, including 32-bit literals with/without sign-extension */
+ case AMOVB: /* macro: move byte with sign extension */
+ case AMOVBU: /* macro: move byte with sign extension & update */
+ case AMOVFL:
+ case AMULLW: /* op $s[,r2],r3; op r1[,r2],r3; no cc/v */
+ case ASUBC: /* op r1,$s,r3; op r1[,r2],r3 */
+ case ASTSW:
+ case ASLBMTE:
+ case AWORD:
+ case ADWORD:
+ case ANOP:
+ case ATEXT:
+ break;
+ }
+ }
+}
+
#include "l.h"
#define OPVCC(o,xo,oe,rc) (((o)<<26)|((xo)<<1)|((oe)<<10)|((rc)&1))
@@ -1403,6 +2240,21 @@ asmout(Prog *p, Optab *o, int aflag)
return 0;
}
+vlong
+vregoff(Adr *a)
+{
+
+ instoffset = 0;
+ aclass(a);
+ return instoffset;
+}
+
+long
+regoff(Adr *a)
+{
+ return vregoff(a);
+}
+
long
oprrr(int a)
{
View Lorry Controller Status