C++ (Cpp) BtoR 예제들

예제 #1

파일: reg.c 프로젝트: Rasender/Hello-ACS-560

uint32
regset(Reg *r, uint32 bb)
{
	uint32 b, set;
	Addr v;
	int c;

	set = 0;
	v = zprog.from;
	while(b = bb & ~(bb-1)) {
		v.type = BtoR(b);
		c = copyu(r->prog, &v, A);
		if(c == 3)
			set |= b;
		bb &= ~b;
	}
	return set;
}

예제 #2

파일: reg.c 프로젝트: CoryXie/nix-os

ulong
reguse(Reg *r, ulong bb)
{
	ulong b, set;
	Adr v;
	int c;

	set = 0;
	v = zprog.from;
	while(b = bb & ~(bb-1)) {
		v.type = BtoR(b);
		c = copyu(r->prog, &v, A);
		if(c == 1 || c == 2 || c == 4)
			set |= b;
		bb &= ~b;
	}
	return set;
}

예제 #3

파일: reg.c 프로젝트: jnwhiteh/go

uint32
reguse(Reg *r, uint32 bb)
{
	uint32 b, set;
	Adr v;
	int c;

	set = 0;
	v = zprog.from;
	while(b = bb & ~(bb-1)) {
		v.type = b & 0xFFFF? BtoR(b): BtoF(b);
		c = copyu(r->prog, &v, A);
		if(c == 1 || c == 2 || c == 4)
			set |= b;
		bb &= ~b;
	}
	return set;
}

예제 #4

파일: reg.c 프로젝트: 8l/golang

uint32
allreg(uint32 b, Rgn *r)
{
	Var *v;
	int i;

	v = var + r->varno;
	r->regno = 0;
	switch(v->etype) {

	default:
		diag(Z, "unknown etype %d/%d", bitno(b), v->etype);
		break;

	case TCHAR:
	case TUCHAR:
	case TSHORT:
	case TUSHORT:
	case TINT:
	case TUINT:
	case TLONG:
	case TULONG:
	case TVLONG:
	case TUVLONG:
	case TIND:
	case TARRAY:
		i = BtoR(~b);
		if(i && r->cost > 0) {
			r->regno = i;
			return RtoB(i);
		}
		break;

	case TDOUBLE:
	case TFLOAT:
		i = BtoF(~b);
		if(i && r->cost > 0) {
			r->regno = i;
			return FtoB(i);
		}
		break;
	}
	return 0;
}

예제 #5

파일: reg.c 프로젝트: TomHoenderdos/go-sunos

uint32
regset(Reg *r, uint32 bb)
{
	uint32 b, set;
	Adr v;
	int c;

	set = 0;
	v = zprog.from;
	while(b = bb & ~(bb-1)) {
		v.type = b & 0xFFFF? BtoR(b): BtoF(b);
		if(v.type == 0)
			fatal("zero v.type for %#ux", b);
		c = copyu(r->f.prog, &v, nil);
		if(c == 3)
			set |= b;
		bb &= ~b;
	}
	return set;
}

예제 #6

파일: reg.c 프로젝트: carriercomm/legacy

uint32_t
regset(Reg *r, uint32_t bb)
{
	uint32_t b, set;
	Adr v;
	int c;

	set = 0;
	v = zprog.from;
	while(b = bb & ~(bb-1)) {
		v.type = b & 0xFFFF? BtoR(b): BtoF(b);
		if(v.type == 0)
			diag(Z, "zero v.type for %#lux", b);
		c = copyu(r->prog, &v, A);
		if(c == 3)
			set |= b;
		bb &= ~b;
	}
	return set;
}

예제 #7

파일: reg.c 프로젝트: edisonwsk/golang-on-cygwin

uint32
allreg(uint32 b, Rgn *r)
{
	Var *v;
	int i;

	v = var + r->varno;
	r->regno = 0;
	switch(v->etype) {

	default:
		fatal("unknown etype %d/%E", bitno(b), v->etype);
		break;

	case TINT8:
	case TUINT8:
	case TINT16:
	case TUINT16:
	case TINT32:
	case TUINT32:
	case TINT64:
	case TINT:
	case TUINT:
	case TUINTPTR:
	case TBOOL:
	case TPTR32:
		i = BtoR(~b);
		if(i && r->cost > 0) {
			r->regno = i;
			return RtoB(i);
		}
		break;

	case TFLOAT32:
	case TFLOAT64:
	case TFLOAT:
		break;
	}
	return 0;
}

예제 #8

파일: reg.c 프로젝트: carriercomm/legacy

void
paint1(Reg *r, int bn)
{
	Reg *r1;
	Prog *p;
	int z;
	uint32_t bb;

	z = bn/32;
	bb = 1L<<(bn%32);
	if(r->act.b[z] & bb)
		return;
	for(;;) {
		if(!(r->refbehind.b[z] & bb))
			break;
		r1 = r->p1;
		if(r1 == R)
			break;
		if(!(r1->refahead.b[z] & bb))
			break;
		if(r1->act.b[z] & bb)
			break;
		r = r1;
	}

	if(LOAD(r) & ~(r->set.b[z]&~(r->use1.b[z]|r->use2.b[z])) & bb) {
		change -= CLOAD * r->loop;
		if(debug['R'] && debug['v'])
			print("%ld%P\tld %B $%d\n", r->loop,
				r->prog, blsh(bn), change);
	}
	for(;;) {
		r->act.b[z] |= bb;
		p = r->prog;

		if(r->use1.b[z] & bb) {
			change += CREF * r->loop;
			if(p->as == AFMOVL || p->as == AFMOVW)
				if(BtoR(bb) != D_F0)
					change = -CINF;
			if(debug['R'] && debug['v'])
				print("%ld%P\tu1 %B $%d\n", r->loop,
					p, blsh(bn), change);
		}

		if((r->use2.b[z]|r->set.b[z]) & bb) {
			change += CREF * r->loop;
			if(p->as == AFMOVL || p->as == AFMOVW)
				if(BtoR(bb) != D_F0)
					change = -CINF;
			if(debug['R'] && debug['v'])
				print("%ld%P\tu2 %B $%d\n", r->loop,
					p, blsh(bn), change);
		}

		if(STORE(r) & r->regdiff.b[z] & bb) {
			change -= CLOAD * r->loop;
			if(p->as == AFMOVL || p->as == AFMOVW)
				if(BtoR(bb) != D_F0)
					change = -CINF;
			if(debug['R'] && debug['v'])
				print("%ld%P\tst %B $%d\n", r->loop,
					p, blsh(bn), change);
		}

		if(r->refbehind.b[z] & bb)
			for(r1 = r->p2; r1 != R; r1 = r1->p2link)
				if(r1->refahead.b[z] & bb)
					paint1(r1, bn);

		if(!(r->refahead.b[z] & bb))
			break;
		r1 = r->s2;
		if(r1 != R)
			if(r1->refbehind.b[z] & bb)
				paint1(r1, bn);
		r = r->s1;
		if(r == R)
			break;
		if(r->act.b[z] & bb)
			break;
		if(!(r->refbehind.b[z] & bb))
			break;
	}
}

예제 #9

파일: reg.c 프로젝트: jianfengye/Go_source

void
paint1(Reg *r, int bn)
{
	Reg *r1;
	Prog *p;
	int z;
	uint32 bb;

	z = bn/32;
	bb = 1L<<(bn%32);
	if(r->act.b[z] & bb)
		return;
	for(;;) {
		if(!(r->refbehind.b[z] & bb))
			break;
		r1 = r->p1;
		if(r1 == R)
			break;
		if(!(r1->refahead.b[z] & bb))
			break;
		if(r1->act.b[z] & bb)
			break;
		r = r1;
	}

	if(LOAD(r) & ~(r->set.b[z]&~(r->use1.b[z]|r->use2.b[z])) & bb) {
		change -= CLOAD * r->loop;
	}
	for(;;) {
		r->act.b[z] |= bb;
		p = r->prog;

		if(r->use1.b[z] & bb) {
			change += CREF * r->loop;
			if(p->as == AFMOVL || p->as == AFMOVW)
				if(BtoR(bb) != D_F0)
					change = -CINF;
		}

		if((r->use2.b[z]|r->set.b[z]) & bb) {
			change += CREF * r->loop;
			if(p->as == AFMOVL || p->as == AFMOVW)
				if(BtoR(bb) != D_F0)
					change = -CINF;
		}

		if(STORE(r) & r->regdiff.b[z] & bb) {
			change -= CLOAD * r->loop;
			if(p->as == AFMOVL || p->as == AFMOVW)
				if(BtoR(bb) != D_F0)
					change = -CINF;
		}

		if(r->refbehind.b[z] & bb)
			for(r1 = r->p2; r1 != R; r1 = r1->p2link)
				if(r1->refahead.b[z] & bb)
					paint1(r1, bn);

		if(!(r->refahead.b[z] & bb))
			break;
		r1 = r->s2;
		if(r1 != R)
			if(r1->refbehind.b[z] & bb)
				paint1(r1, bn);
		r = r->s1;
		if(r == R)
			break;
		if(r->act.b[z] & bb)
			break;
		if(!(r->refbehind.b[z] & bb))
			break;
	}
}