Exemplo n.º 1
0
Arquivo: code.c Projeto: Sciumo/pcc
void
efcode(void)
{
	TWORD t;
	NODE *p, *q;

	/* code for the end of a function */
	if (cftnsp->stype != STRTY+FTN && cftnsp->stype != UNIONTY+FTN)
		return;

	t = PTR+BTYPE(cftnsp->stype);
	/* Create struct assignment */
	q = tempnode(strtemp, t, 0, cftnsp->sap);
	q = buildtree(UMUL, q, NIL);
	p = block(REG, NIL, NIL, t, 0, cftnsp->sap);
	regno(p) = R0;
	p = buildtree(UMUL, p, NIL);
	p = buildtree(ASSIGN, q, p);
	ecomp(p);

	/* put hidden arg in r0 on return */
	q = tempnode(strtemp, INT, 0, 0);
	p = block(REG, NIL, NIL, INT, 0, 0);
	regno(p) = R0;
        ecomp(buildtree(ASSIGN, p, q));
}
Exemplo n.º 2
0
/*
 * Allocate off bits on the stack.  p is a tree that when evaluated
 * is the multiply count for off, t is a storeable node where to write
 * the allocated address.
 */
void
spalloc(NODE *t, NODE *p, OFFSZ off)
{
	NODE *sp;

	p = buildtree(MUL, p, bcon(off/SZCHAR));
	p = buildtree(PLUS, p, bcon(30));
	p = buildtree(AND, p, xbcon(-16, NULL, UNSIGNED));
	p = cast(p, UNSIGNED, 0);

	/* sub the size from sp */
	sp = block(REG, NIL, NIL, UNSIGNED+PTR, 0, 0);
	slval(sp, 0);
	sp->n_rval = STKREG;
	p = (buildtree(MINUSEQ, sp, p));
	ecomp(p);

	/* save the address of sp */
	sp = block(REG, NIL, NIL, PTR+UNSIGNED, t->n_df, t->n_ap);
	slval(sp, 0);
	sp->n_rval = STKREG;
	t->n_type = sp->n_type;
	p = (buildtree(ASSIGN, t, sp)); /* Emit! */
	ecomp(p);

}
Exemplo n.º 3
0
void
bfcode(struct symtab **sp, int cnt)
{
	int i, off;
	NODE *p, *q;
	struct symtab *sym;

	/* Process the first six arguments. */
	for (i=0; i < cnt && i < 6; i++) {
		sym = sp[i];
		q = block(REG, NIL, NIL, sym->stype, sym->sdf, sym->sap);
		q->n_rval = RETREG_PRE(sym->stype) + i;
		p = tempnode(0, sym->stype, sym->sdf, sym->sap);
		sym->soffset = regno(p);
		sym->sflags |= STNODE;
		p = buildtree(ASSIGN, p, q);
		ecomp(p);
	}

	/* Process the remaining arguments. */
	for (off = V9RESERVE; i < cnt; i++) {
		sym = sp[i];
		p = tempnode(0, sym->stype, sym->sdf, sym->sap);
		off = ALIGN(off, (tlen(p) - 1));
		sym->soffset = off * SZCHAR;
		off += tlen(p);
		p = buildtree(ASSIGN, p, nametree(sym));
		sym->soffset = regno(p->n_left);
		sym->sflags |= STNODE;
		ecomp(p);
	}
}
Exemplo n.º 4
0
/*
 * Allocate off bits on the stack.  p is a tree that when evaluated
 * is the multiply count for off, t is a NAME node where to write
 * the allocated address.
 */
void
spalloc(NODE *t, NODE *p, OFFSZ off)
{
	NODE *sp;

	if ((off % SZINT) == 0)
		p =  buildtree(MUL, p, bcon(off/SZINT));
	else if ((off % SZSHORT) == 0) {
		p = buildtree(MUL, p, bcon(off/SZSHORT));
		p = buildtree(PLUS, p, bcon(1));
		p = buildtree(RS, p, bcon(1));
	} else if ((off % SZCHAR) == 0) {
		p = buildtree(MUL, p, bcon(off/SZCHAR));
		p = buildtree(PLUS, p, bcon(3));
		p = buildtree(RS, p, bcon(2));
	} else
		cerror("roundsp");

	/* save the address of sp */
	sp = block(REG, NIL, NIL, PTR+INT, t->n_df, t->n_sue);
	sp->n_lval = 0;
	sp->n_rval = STKREG;
	t->n_type = sp->n_type;
	ecomp(buildtree(ASSIGN, t, sp)); /* Emit! */

	/* add the size to sp */
	sp = block(REG, NIL, NIL, p->n_type, 0, 0);
	sp->n_lval = 0;
	sp->n_rval = STKREG;
	ecomp(buildtree(PLUSEQ, sp, p));
}
Exemplo n.º 5
0
Arquivo: code.c Projeto: Sciumo/pcc
void
bfcode(struct symtab **sp, int n)
{
	struct symtab *sp2;
	NODE *p, *q;
	int i;

	if (cftnsp->stype == STRTY+FTN || cftnsp->stype == UNIONTY+FTN) {
		/* Move return address into temporary */
		p = tempnode(0, INT, 0, 0);
		strtemp = regno(p);
		q = block(REG, 0, 0, INT, 0, 0);
		regno(q) = R1;
		ecomp(buildtree(ASSIGN, p, q));
	}
	if (xtemps == 0)
		return;

	/* put arguments in temporaries */
	for (i = 0; i < n; i++) {
		if (sp[i]->stype == STRTY || sp[i]->stype == UNIONTY ||
		    cisreg(sp[i]->stype) == 0)
			continue;
		if (cqual(sp[i]->stype, sp[i]->squal) & VOL)
			continue;
		sp2 = sp[i];
		p = tempnode(0, sp[i]->stype, sp[i]->sdf, sp[i]->sap);
		p = buildtree(ASSIGN, p, nametree(sp2));
		sp[i]->soffset = regno(p->n_left);
		sp[i]->sflags |= STNODE;
		ecomp(p);
	}

}
Exemplo n.º 6
0
/*
 * code for the end of a function
 * deals with struct return here
 */
void
efcode(void)
{
	NODE *p, *q;
	int tempnr;
	int ty;

	if (cftnsp->stype != STRTY+FTN && cftnsp->stype != UNIONTY+FTN)
		return;

	ty = cftnsp->stype - FTN;

	q = block(REG, NIL, NIL, INCREF(ty), 0, cftnsp->sap);
	q->n_rval = V0;
	p = tempnode(0, INCREF(ty), 0, cftnsp->sap);
	tempnr = regno(p);
	p = buildtree(ASSIGN, p, q);
	ecomp(p);

	q = tempnode(tempnr, INCREF(ty), 0, cftnsp->sap);
	q = buildtree(UMUL, q, NIL);

	p = tempnode(rvnr, INCREF(ty), 0, cftnsp->sap);
	p = buildtree(UMUL, p, NIL);

	p = buildtree(ASSIGN, p, q);
	ecomp(p);

	q = tempnode(rvnr, INCREF(ty), 0, cftnsp->sap);
	p = block(REG, NIL, NIL, INCREF(ty), 0, cftnsp->sap);
	p->n_rval = V0;
	p = buildtree(ASSIGN, p, q);
	ecomp(p);
}
Exemplo n.º 7
0
/* setup a float param on the stack
 * used by bfcode() */
static void
param_float(struct symtab *sym, int *argofsp, int dotemps)
{
	NODE *p, *q, *t;
	int tmpnr;

	/*
	 * we have to dump the float from the general register
	 * into a temp, since the register allocator doesn't like
	 * floats to be in CLASSA.  This may not work for -xtemps.
	 */

	t = tempnode(0, INT, 0, 0);
	tmpnr = regno(t);
	q = block(REG, NIL, NIL, INT, 0, 0);
	q->n_rval = R0 + (*argofsp)++;
	p = buildtree(ASSIGN, t, q);
	ecomp(p);

	if (dotemps) {
		sym->soffset = tmpnr;
		sym->sflags |= STNODE;
	} else {
		q = tempnode(tmpnr, sym->stype, sym->sdf, sym->sap);
		p = nametree(sym);
		p = buildtree(ASSIGN, p, q);
		ecomp(p);
	}
}
Exemplo n.º 8
0
/*
 * code for the beginning of a function; a is an array of
 * indices in stab for the arguments; n is the number
 */
void
bfcode(struct symtab **sp, int cnt)
{
	NODE *p, *q;
	int i, n;

	if (cftnsp->stype == STRTY+FTN || cftnsp->stype == UNIONTY+FTN) {
		uerror("no struct return yet");
	}
	/* recalculate the arg offset and create TEMP moves */
	for (n = 1, i = 0; i < cnt; i++) {
		if (n < 8) {
			p = tempnode(0, sp[i]->stype, sp[i]->sdf, sp[i]->ssue);
			q = block(REG, NIL, NIL,
			    sp[i]->stype, sp[i]->sdf, sp[i]->ssue);
			q->n_rval = n;
			p = buildtree(ASSIGN, p, q);
			sp[i]->soffset = regno(p->n_left);
			sp[i]->sflags |= STNODE;
			ecomp(p);
		} else {
			sp[i]->soffset += SZINT * n;
			if (xtemps) {
				/* put stack args in temps if optimizing */
				p = tempnode(0, sp[i]->stype,
				    sp[i]->sdf, sp[i]->ssue);
				p = buildtree(ASSIGN, p, nametree(sp[i]));
				sp[i]->soffset = regno(p->n_left);
				sp[i]->sflags |= STNODE;
				ecomp(p);
			}
		}
		n += szty(sp[i]->stype);
	}
}
Exemplo n.º 9
0
Arquivo: code.c Projeto: rheoli/pcc
/*
 * code for the end of a function
 * deals with struct return here
 * The return value is in (or pointed to by) RETREG.
 */
void
efcode(void)
{
	struct symtab *sp;
	extern int gotnr;
	TWORD t;
	NODE *p, *r, *l;
	int typ, ssz, rno;

	gotnr = 0;	/* new number for next fun */
	sp = cftnsp;
	t = DECREF(sp->stype);
	if (t != STRTY && t != UNIONTY)
		return;

	/* XXX should have one routine for this */
	ngpr = nsse = 0;
	if ((typ = argtyp(t, sp->sdf, sp->sap)) == STRREG || typ == STRCPX) {
		/* Cast to long pointer and move to the registers */
		/* XXX can overrun struct size */
		/* XXX check carefully for SSE members */

		if ((ssz = tsize(t, sp->sdf, sp->sap)) > SZLONG*2)
			cerror("efcode1");

		if (typ == STRCPX) {
			t = DOUBLE;
			rno = XMM0;
		} else {
			t = LONG;
			rno = RAX;
		}
		if (ssz > SZLONG) {
			p = block(REG, NIL, NIL, INCREF(t), 0, 0);
			regno(p) = RAX;
			p = buildtree(UMUL, buildtree(PLUS, p, bcon(1)), NIL);
			ecomp(movtoreg(p, rno+1));
		}
		p = block(REG, NIL, NIL, INCREF(t), 0, 0);
		regno(p) = RAX;
		p = buildtree(UMUL, p, NIL);
		ecomp(movtoreg(p, rno));
	} else if (typ == STRMEM) {
		r = block(REG, NIL, NIL, INCREF(t), sp->sdf, sp->sap);
		regno(r) = RAX;
		r = buildtree(UMUL, r, NIL);
		l = tempnode(stroffset, INCREF(t), sp->sdf, sp->sap);
		l = buildtree(UMUL, l, NIL);
		ecomp(buildtree(ASSIGN, l, r));
		l = block(REG, NIL, NIL, LONG, 0, 0);
		regno(l) = RAX;
		r = tempnode(stroffset, LONG, 0, 0);
		ecomp(buildtree(ASSIGN, l, r));
	} else
		cerror("efcode");
}
Exemplo n.º 10
0
/*
 * code for the beginning of a function; a is an array of
 * indices in symtab for the arguments; n is the number
 */
void
bfcode(struct symtab **sp, int cnt)
{
	struct symtab *sp2;
	NODE *n;
	int i;

	if (cftnsp->stype == STRTY+FTN || cftnsp->stype == UNIONTY+FTN) {
		/* Function returns struct, adjust arg offset */
		for (i = 0; i < cnt; i++) 
			sp[i]->soffset += SZPOINT(INT);
	}

	if (xtemps == 0)
		return;

	/* put arguments in temporaries */
	for (i = 0; i < cnt; i++) {
		if (sp[i]->stype == STRTY || sp[i]->stype == UNIONTY ||
		    cisreg(sp[i]->stype) == 0)
			continue;
		sp2 = sp[i];
		n = tempnode(0, sp[i]->stype, sp[i]->sdf, sp[i]->sap);
		n = buildtree(ASSIGN, n, nametree(sp2));
		sp[i]->soffset = regno(n->n_left);
		sp[i]->sflags |= STNODE;
		ecomp(n);
	}
}
Exemplo n.º 11
0
static NODE *
builtin_va_arg(const struct bitable *bt, NODE *a)
{
    NODE *p, *q, *r, *rv;
    int sz, nodnum;

    /* create a copy to a temp node of current ap */
    p = ccopy(a->n_left);
    q = tempnode(0, p->n_type, p->n_df, p->n_ap);
    nodnum = regno(q);
    rv = buildtree(ASSIGN, q, p);

    r = a->n_right;
    sz = (int)tsize(r->n_type, r->n_df, r->n_ap)/SZCHAR;
    /* add one to ap */
#ifdef BACKAUTO
    rv = buildtree(COMOP, rv , buildtree(PLUSEQ, a->n_left, bcon(sz)));
#else
#error fix wrong eval order in builtin_va_arg
    ecomp(buildtree(MINUSEQ, a->n_left, bcon(sz)));
#endif

    nfree(a->n_right);
    nfree(a);
    r = tempnode(nodnum, INCREF(r->n_type), r->n_df, r->n_ap);
    return buildtree(COMOP, rv, buildtree(UMUL, r, NIL));

}
Exemplo n.º 12
0
/* setup struct parameter
 * push the registers out to memory
 * used by bfcode() */
static void
param_struct(struct symtab *sym, int *regp)
{
	int reg = *regp;
	NODE *p, *q;
	int navail;
	int sz;
	int off;
	int num;
	int i;

	navail = nargregs - (reg - A0);
	sz = tsize(sym->stype, sym->sdf, sym->sap) / SZINT;
	off = ARGINIT/SZINT + (reg - A0);
	num = sz > navail ? navail : sz;
	for (i = 0; i < num; i++) {
		q = block(REG, NIL, NIL, INT, 0, 0);
		q->n_rval = reg++;
		p = block(REG, NIL, NIL, INT, 0, 0);
		p->n_rval = FP;
		p = block(PLUS, p, bcon(4*off++), INT, 0, 0);
		p = block(UMUL, p, NIL, INT, 0, 0);
		p = buildtree(ASSIGN, p, q);
		ecomp(p);
	}

	*regp = reg;
}
Exemplo n.º 13
0
/*
 * code for the end of a function
 * deals with struct return here
 */
void
efcode(void)
{
	NODE *p, *q;
//	int sz;

#if 0
	/* restore ac3 */
	p = block(REG, 0, 0, INT, 0, 0);
	regno(p) = 3;
	q = tempnode(ac3temp, INT, 0, 0);
	ecomp(buildtree(ASSIGN, p, q));
#endif


	if (cftnsp->stype != STRTY+FTN && cftnsp->stype != UNIONTY+FTN)
		return;
cerror("efcode");
	/* address of return struct is in eax */
	/* create a call to memcpy() */
	/* will get the result in eax */
	p = block(REG, NIL, NIL, CHAR+PTR, 0, 0);
//	p->n_rval = EAX;
	q = block(OREG, NIL, NIL, CHAR+PTR, 0, 0);
//	q->n_rval = EBP;
	q->n_lval = 8; /* return buffer offset */
	p = block(CM, q, p, INT, 0, 0);
//	sz = (tsize(STRTY, cftnsp->sdf, cftnsp->ssue)+SZCHAR-1)/SZCHAR;
//	p = block(CM, p, bcon(sz), INT, 0, 0);
	p->n_right->n_name = "";
	p = block(CALL, bcon(0), p, CHAR+PTR, 0, 0);
	p->n_left->n_name = "memcpy";
	p = clocal(p);
	send_passt(IP_NODE, p);
}
Exemplo n.º 14
0
/* setup struct parameter
 * push the registers out to memory
 * used by bfcode() */
static void
param_struct(struct symtab *sym, int *argofsp)
{
	int argofs = *argofsp;
	NODE *p, *q;
	int navail;
	int sz;
	int off;
	int num;
	int i;

	navail = NARGREGS - argofs;
	sz = tsize(sym->stype, sym->sdf, sym->sap) / SZINT;
	off = ARGINIT/SZINT + argofs;
	num = sz > navail ? navail : sz;
	for (i = 0; i < num; i++) {
		q = block(REG, NIL, NIL, INT, 0, 0);
		regno(q) = R0 + argofs++;
		p = block(REG, NIL, NIL, INT, 0, 0);
		regno(p) = SP;
		p = block(PLUS, p, bcon(4*off++), INT, 0, 0);
		p = block(UMUL, p, NIL, INT, 0, 0);
		p = buildtree(ASSIGN, p, q);
		ecomp(p);
	}

	*argofsp = argofs;
}
Exemplo n.º 15
0
/* called from moveargs() */
static NODE *
movearg_float(NODE *p, int *regp)
{
	NODE *q, *r;
	TWORD ty = INCREF(p->n_type);
	int tmpnr;

	/*
	 * Floats are passed in the general registers for
	 * compatibily with libraries compiled to handle soft-float.
	 */

	if (xtemps) {
		/* bounce on TOS */
		r = block(REG, NIL, NIL, ty, p->n_df, p->n_ap);
		regno(r) = SP;
		r = block(PLUS, r, bcon(-4), ty, p->n_df, p->n_ap);
		r = block(UMUL, r, NIL, p->n_type, p->n_df, p->n_ap);
		r = buildtree(ASSIGN, r, p);
		ecomp(r);

		/* bounce into temp */
		r = block(REG, NIL, NIL, PTR+INT, 0, 0);
		regno(r) = SP;
		r = block(PLUS, r, bcon(-8), PTR+INT, 0, 0);
		r = block(UMUL, r, NIL, INT, 0, 0);
		q = tempnode(0, INT, 0, 0);
		tmpnr = regno(q);
		r = buildtree(ASSIGN, q, r);
		ecomp(r);
	} else {
		/* copy directly into temp */
		q = tempnode(0, p->n_type, p->n_df, p->n_ap);
		tmpnr = regno(q);
		r = buildtree(ASSIGN, q, p);
		ecomp(r);
	}

	/* copy from temp to register parameter */
	r = tempnode(tmpnr, INT, 0, 0);
	q = block(REG, NIL, NIL, INT, 0, 0);
	regno(q) = (*regp)++;
	p = buildtree(ASSIGN, q, r);

	return p;
}
Exemplo n.º 16
0
void
bfcode(struct symtab **sp, int n)
{
	struct symtab *sp2;
	NODE *p, *q;
	int i, argbase, sz;

	if (cftnsp->stype == STRTY+FTN || cftnsp->stype == UNIONTY+FTN) {
		/* Move return address into temporary */
		p = tempnode(0, INT, 0, 0);
		strtemp = regno(p);
		q = block(REG, 0, 0, INT, 0, 0);
		regno(q) = R1;
		ecomp(buildtree(ASSIGN, p, q));
	}

	/* correct arg alignment XXX should be done somewhere else */
	argbase = ARGINIT;
	for (i = 0; i < n; i++) {
		sp2 = sp[i];
		sz = tsize(sp2->stype, sp2->sdf, sp2->sap);

		SETOFF(sz, SZINT);
		sp2->soffset = argbase;
		argbase += sz;
	}

	if (xtemps == 0)
		return;

	/* put arguments in temporaries */
	for (i = 0; i < n; i++) {
		if (sp[i]->stype == STRTY || sp[i]->stype == UNIONTY ||
		    cisreg(sp[i]->stype) == 0)
			continue;
		if (cqual(sp[i]->stype, sp[i]->squal) & VOL)
			continue;
		sp2 = sp[i];
		p = tempnode(0, sp[i]->stype, sp[i]->sdf, sp[i]->sap);
		p = buildtree(ASSIGN, p, nametree(sp2));
		sp[i]->soffset = regno(p->n_left);
		sp[i]->sflags |= STNODE;
		ecomp(p);
	}

}
Exemplo n.º 17
0
/* called from moveargs() */
static NODE *
movearg_double(NODE *p, int *regp)
{
	NODE *q, *r;
	TWORD ty = INCREF(p->n_type);
	int tmpnr;

	if (xtemps) {
		/* bounce on TOS */
		r = block(REG, NIL, NIL, ty, p->n_df, p->n_ap);
		regno(r) = SP;
		r = block(PLUS, r, bcon(-8), ty, p->n_df, p->n_ap);
		r = block(UMUL, r, NIL, p->n_type, p->n_df, p->n_ap);
		r = buildtree(ASSIGN, r, p);
		ecomp(r);

		/* bounce into temp */
		r = block(REG, NIL, NIL, PTR+LONGLONG, 0, 0);
		regno(r) = SP;
		r = block(PLUS, r, bcon(-8), PTR+LONGLONG, 0, 0);
		r = block(UMUL, r, NIL, LONGLONG, 0, 0);
		q = tempnode(0, LONGLONG, 0, 0);
		tmpnr = regno(q);
		r = buildtree(ASSIGN, q, r);
		ecomp(r);
	} else {
		/* copy directly into temp */
		q = tempnode(0, p->n_type, p->n_df, p->n_ap);
		tmpnr = regno(q);
		r = buildtree(ASSIGN, q, p);
		ecomp(r);
	}

	/* copy from temp to register parameter */
	r = tempnode(tmpnr, LONGLONG, 0, 0);
	q = block(REG, NIL, NIL, LONGLONG, 0, 0);
	regno(q) = R0R1 - R0 + (*regp);
	p = buildtree(ASSIGN, q, r);

	(*regp) += 2;

	return p;
}
Exemplo n.º 18
0
/* Put a symbol in a temporary
 * used by bfcode() and its helpers */
static void
putintemp(struct symtab *sym)
{
	NODE *p;
	p = tempnode(0, sym->stype, sym->sdf, sym->sap);
	p = buildtree(ASSIGN, p, nametree(sym));
	sym->soffset = regno(p->n_left);
	sym->sflags |= STNODE;
	ecomp(p);
}
Exemplo n.º 19
0
Arquivo: code.c Projeto: paploo/pcc
/*
 * code for the beginning of a function; 'a' is an array of
 * indices in symtab for the arguments; n is the number
 */
void
bfcode(struct symtab **a, int cnt)
{
	struct symtab *sp;
	NODE *p, *q;
	int i, n, sz;

	if (cftnsp->stype == STRTY+FTN || cftnsp->stype == UNIONTY+FTN) {
		/* Function returns struct, adjust arg offset */
		for (i = 0; i < n; i++)
			a[i]->soffset += SZPOINT(LONG);
	}

	/* recalculate the arg offset and create TEMP moves */
	for (n = 0, i = 0; i < cnt; i++) {
		sp = a[i];

		sz = szty(sp->stype);
		if (n % sz)
			n++;	/* XXX LDOUBLE */

		if (n < 4) {
			p = tempnode(0, sp->stype, sp->sdf, sp->ssue);
			/* TODO p->n_left->n_lval = -(32 + n * 4); */
			q = block(REG, NIL, NIL, sp->stype, sp->sdf, sp->ssue);
			q->n_rval = argreg(sp->stype, &n);
			p = buildtree(ASSIGN, p, q);
			sp->soffset = regno(p->n_left);
			sp->sflags |= STNODE;
			ecomp(p);
		} else {
			sp->soffset += SZINT * n;
			if (xtemps) {
				/* put stack args in temps if optimizing */
				p = tempnode(0, sp->stype, sp->sdf, sp->ssue);
				p = buildtree(ASSIGN, p, buildtree(NAME, 0, 0));
				sp->soffset = regno(p->n_left);
				sp->sflags |= STNODE;
				ecomp(p);
			}
		}
	}
}
Exemplo n.º 20
0
/*
 * XXX This is a hack.  We cannot have (l)doubles in more than one
 * register class.  So we bounce them in and out of temps to
 * move them in and out of the right registers.
 */
static void
param_double(struct symtab *sym, int *regp, int dotemps)
{
	int reg = *regp;
	NODE *p, *q, *t;
	int navail;
	int tmpnr;

	/* alignment */
	++reg;
	reg &= ~1;

	navail = nargregs - (reg - A0);

	if (navail < 2) {
		/* would have appeared half in registers/half
		 * on the stack, but alignment ensures it
		 * appears on the stack */
		if (dotemps)
			putintemp(sym);
		*regp = reg;
		return;
	}

	t = tempnode(0, LONGLONG, 0, 0);
	tmpnr = regno(t);
	q = block(REG, NIL, NIL, LONGLONG, 0, 0);
	q->n_rval = A0A1 + (reg - A0);
	p = buildtree(ASSIGN, t, q);
	ecomp(p);

	if (dotemps) {
		sym->soffset = tmpnr;
		sym->sflags |= STNODE;
	} else {
		q = tempnode(tmpnr, sym->stype, sym->sdf, sym->sap);
		p = nametree(sym);
		p = buildtree(ASSIGN, p, q);
		ecomp(p);
	}
	*regp = reg + 2;
}
Exemplo n.º 21
0
/* setup the hidden pointer to struct return parameter
 * used by bfcode() */
static void
param_retptr(void)
{
	NODE *p, *q;

	p = tempnode(0, PTR+STRTY, 0, cftnsp->sap);
	rvnr = regno(p);
	q = block(REG, NIL, NIL, PTR+STRTY, 0, cftnsp->sap);
	q->n_rval = A0;
	p = buildtree(ASSIGN, p, q);
	ecomp(p);
}
Exemplo n.º 22
0
/* setup the hidden pointer to struct return parameter
 * used by bfcode() */
static void
param_retstruct(void)
{
	NODE *p, *q;

	p = tempnode(0, PTR-FTN+cftnsp->stype, 0, cftnsp->sap);
	rvnr = regno(p);
	q = block(REG, NIL, NIL, PTR+STRTY, 0, cftnsp->sap);
	regno(q) = R0;
	p = buildtree(ASSIGN, p, q);
	ecomp(p);
}
Exemplo n.º 23
0
/*
 * Allocate off bits on the stack.  p is a tree that when evaluated
 * is the multiply count for off, t is a NAME node where to write
 * the allocated address.
 */
void
spalloc(NODE *t, NODE *p, OFFSZ off)
{
	NODE *sp;
	int nbytes = off / SZCHAR;

	p = buildtree(MUL, p, bcon(nbytes));
	p = buildtree(PLUS, p, bcon(7));
	p = buildtree(AND, p, bcon(~7));

	/* subtract the size from sp */
	sp = block(REG, NIL, NIL, p->n_type, 0, 0);
	sp->n_lval = 0;
	sp->n_rval = SP;
	ecomp(buildtree(MINUSEQ, sp, p));

	/* save the address of sp */
	sp = block(REG, NIL, NIL, PTR+INT, t->n_df, t->n_ap);
	sp->n_rval = SP;
	t->n_type = sp->n_type;
	ecomp(buildtree(ASSIGN, t, sp)); /* Emit! */
}
Exemplo n.º 24
0
void lapack_getrf<T>::operator()(
		clapack::integer m,
		clapack::integer n,
		T* a_ptr, clapack::integer* ipiv_ptr) throw(ecomp)
{
	clapack::integer info;

	lapack_exec(&m, &n, a_ptr, &m, ipiv_ptr, &info);
	if(info < 0)
		return;
	if(info > 0)
		throw ecomp();
}
Exemplo n.º 25
0
/*
 * XXX This is a hack.  We cannot have floats in more than one
 * register class.  So we bounce them in and out of temps to
 * move them in and out of the right registers.
 */
static void
param_float(struct symtab *sym, int *regp, int dotemps)
{
	NODE *p, *q, *t;
	int tmpnr;

	t = tempnode(0, INT, 0, 0);
	tmpnr = regno(t);
	q = block(REG, NIL, NIL, INT, 0, 0);
	q->n_rval = (*regp)++;
	p = buildtree(ASSIGN, t, q);
	ecomp(p);

	if (dotemps) {
		sym->soffset = tmpnr;
		sym->sflags |= STNODE;
	} else {
		q = tempnode(tmpnr, sym->stype, sym->sdf, sym->sap);
		p = nametree(sym);
		p = buildtree(ASSIGN, p, q);
		ecomp(p);
	}
}
Exemplo n.º 26
0
/*
 * code for the end of a function
 * deals with struct return here
 */
void
efcode(void)
{
	extern int gotnr;
	NODE *p, *q;

	gotnr = 0;	/* new number for next fun */
	if (cftnsp->stype != STRTY+FTN && cftnsp->stype != UNIONTY+FTN)
		return;
	/* Create struct assignment */
	q = tempnode(structrettemp, PTR+STRTY, 0, cftnsp->sap);
	q = buildtree(UMUL, q, NIL);
	p = block(REG, NIL, NIL, PTR+STRTY, 0, cftnsp->sap);
	p = buildtree(UMUL, p, NIL);
	p = buildtree(ASSIGN, q, p);
	ecomp(p);

	/* put hidden arg in ax on return */
	q = tempnode(structrettemp, INT, 0, 0);
	p = block(REG, NIL, NIL, INT, 0, 0);
	regno(p) = AX;
	ecomp(buildtree(ASSIGN, p, q));
}
Exemplo n.º 27
0
/*
 * End-of-Function code:
 */
void
efcode(void)
{
	NODE *p, *q;
	int tempnr;

	if (cftnsp->stype != STRTY+FTN && cftnsp->stype != UNIONTY+FTN)
		return;

	/*
	 * At this point, the address of the return structure on
	 * has been FORCEd to RETREG, which is R0.
	 * We want to copy the contents from there to the address
	 * we placed into the tempnode "rvnr".
	 */

	/* move the pointer out of R0 to a tempnode */
	q = block(REG, NIL, NIL, PTR+STRTY, 0, cftnsp->sap);
	q->n_rval = R0;
	p = tempnode(0, PTR+STRTY, 0, cftnsp->sap);
	tempnr = regno(p);
	p = buildtree(ASSIGN, p, q);
	ecomp(p);

	/* get the address from the tempnode */
	q = tempnode(tempnr, PTR+STRTY, 0, cftnsp->sap);
	q = buildtree(UMUL, q, NIL);
	
	/* now, get the structure destination */
	p = tempnode(rvnr, PTR+STRTY, 0, cftnsp->sap);
	p = buildtree(UMUL, p, NIL);

	/* struct assignment */
	p = buildtree(ASSIGN, p, q);
	ecomp(p);
}
Exemplo n.º 28
0
//====================================================================================================================
FixedChemPotSSTP::FixedChemPotSSTP(std::string Ename, doublereal val) :
    SingleSpeciesTP(),
    chemPot_(0.0)
{

    std::string pname = Ename + "Fixed";
    setID(pname);
    setName(pname);
    setNDim(3);
    addUniqueElement(Ename, -12345.);
    freezeElements();
    vector_fp ecomp(nElements(), 0.0);
    ecomp[0] = 1.0;
    double chrg = 0.0;
    SpeciesThermo* spth = new SimpleThermo();
    setSpeciesThermo(spth);
    addUniqueSpecies(pname, &ecomp[0], chrg, 0.0);
    double c[4];
    c[0] = 298.15;
    c[1] = val;
    c[2] = 0.0;
    c[3] = 0.0;
    m_spthermo->install(pname, 0, SIMPLE, c, 0.0, 1.0E30, OneAtm);
    freezeSpecies();
    initThermo();
    m_p0 = OneAtm;
    m_tlast = 298.15;
    setChemicalPotential(val);

    // Create an XML_Node entry for this species
    XML_Node* s = new XML_Node("species", 0);
    s->addAttribute("name", pname);
    std::string aaS = Ename + ":1";
    s->addChild("atomArray", aaS);
    XML_Node& tt = s->addChild("thermo");
    XML_Node& ss = tt.addChild("Simple");
    ss.addAttribute("Pref", "1 bar");
    ss.addAttribute("Tmax", "5000.");
    ss.addAttribute("Tmin", "100.");
    ss.addChild("t0", "298.15");
    ss.addChild("cp0", "0.0");
    std::string sval = fp2str(val);
    ss.addChild("h", sval);
    ss.addChild("s", "0.0");
    saveSpeciesData(0, s);
    delete s;
    s = 0;
}
Exemplo n.º 29
0
/*
 * code for the end of a function
 * deals with struct return here
 */
void
efcode(void)
{
	NODE *p, *q;

	if (cftnsp->stype != STRTY+FTN && cftnsp->stype != UNIONTY+FTN)
		return;
	/* Create struct assignment */
	q = block(OREG, NIL, NIL, PTR+STRTY, 0, cftnsp->sap);
	q->n_rval = R5;
	q->n_lval = 8; /* return buffer offset */
	q = buildtree(UMUL, q, NIL);
	p = block(REG, NIL, NIL, PTR+STRTY, 0, cftnsp->sap);
	p = buildtree(UMUL, p, NIL);
	p = buildtree(ASSIGN, q, p);
	ecomp(p);
}
Exemplo n.º 30
0
/* setup a 32-bit param on the stack
 * used by bfcode() */
static void
param_32bit(struct symtab *sym, int *argofsp, int dotemps)
{
	NODE *p, *q;

	q = block(REG, NIL, NIL, sym->stype, sym->sdf, sym->sap);
	regno(q) = R0 + (*argofsp)++;
	if (dotemps) {
		p = tempnode(0, sym->stype, sym->sdf, sym->sap);
		sym->soffset = regno(p);
		sym->sflags |= STNODE;
	} else {
		p = nametree(sym);
	}
	p = buildtree(ASSIGN, p, q);
	ecomp(p);
}