From 45a20ab721a513710138340faff3d59a31c3e01e Mon Sep 17 00:00:00 2001
From: forsyth <forsyth@lavoro.terzarima.net>
Date: Mon, 3 Jun 2013 21:01:14 +0000
Subject: sync compilers with Plan 9 remove 1[acl] 2[acl]

---
 utils/2l/span.c | 551 --------------------------------------------------------
 1 file changed, 551 deletions(-)
 delete mode 100644 utils/2l/span.c

(limited to 'utils/2l/span.c')

diff --git a/utils/2l/span.c b/utils/2l/span.c
deleted file mode 100644
index 45fc23ad..00000000
--- a/utils/2l/span.c
+++ /dev/null
@@ -1,551 +0,0 @@
-#include	"l.h"
-
-void
-span(void)
-{
-	Prog *p, *q;
-	long v, c, idat;
-	Optab *o;
-	int m, n;
-
-	xdefine("etext", STEXT, 0L);
-	xdefine("a6base", STEXT, 0L);
-	idat = INITDAT;
-	for(p = firstp; p != P; p = p->link) {
-		if(p->as == ATEXT)
-			curtext = p;
-		n = 0;
-		if((q = p->pcond) != P)
-			if(q->back != 2)
-				n = 1;
-		p->back = n;
-		if(p->as == AADJSP) {
-			p->to.type = D_A0+7;
-			v = -p->from.offset;
-			p->from.offset = v;
-			if((v < -8 && v >= -32768L) || (v > 8 && v < 32768L)) {
-				p->as = ALEA;
-				p->from.type = I_INDIR | (D_A0+7);
-				continue;
-			}
-			p->as = AADDL;
-			if(v < 0) {
-				p->as = ASUBL;
-				v = -v;
-				p->from.offset = v;
-			}
-			if(v >= 0 && v <= 8)
-				p->from.type = D_QUICK;
-			if(v == 0)
-				p->as = ANOP;
-		}
-	}
-	n = 0;
-
-start:
-	if(debug['v'])
-		Bprint(&bso, "%5.2f span\n", cputime());
-	Bflush(&bso);
-	c = INITTEXT;
-	for(p = firstp; p != P; p = p->link) {
-		if(p->as == ATEXT)
-			curtext = p;
-		o = &optab[p->as];
-		p->pc = c;
-		m = mmsize[o->optype];
-		if(m == 0) {
-			if(p->as == AWORD)
-				m = 2;
-			if(p->as == ALONG)
-				m = 4;
-			p->mark = m;
-			c += m;
-			continue;
-		}
-		if(p->from.type != D_NONE)
-			m += andsize(p, &p->from);
-		if(p->to.type == D_BRANCH) {
-			if(p->pcond == P)
-				p->pcond = p;
-			c += m;
-			if(m == 2)
-				m |= 0100;
-			p->mark = m;
-			continue;
-		}
-		if(p->to.type != D_NONE)
-			m += andsize(p, &p->to);
-		p->mark = m;
-		c += m;
-	}
-
-loop:
-	n++;
-	if(debug['v'])
-		Bprint(&bso, "%5.2f span %d\n", cputime(), n);
-	Bflush(&bso);
-	if(n > 60) {
-		diag("span must be looping");
-		errorexit();
-	}
-	c = INITTEXT;
-	for(p = firstp; p != P; p = p->link) {
-		if(p->as == ATEXT)
-			curtext = p;
-		if((m = p->mark) & 0100) {
-			q = p->pcond;
-			v = q->pc - 2;
-			if(p->back)
-				v -= c;
-			else
-				v -= p->pc;
-			p->pc = c;
-			if(v < -32768L || v >= 32768L) {
-				if(p->as == ABSR && q->pc < 32768L && q->pc >= 0) 
-					c += 4;
-				else
-					c += 6;
-			} else
-			if(v < -128 || v >= 128)
-				c += 4;
-			else
-			if(v == 0) {
-				c += 4;
-				p->mark = 4;
-			} else
-				c += 2;
-			continue;
-		}
-		p->pc = c;
-		c += m;
-	}
-	if(c != textsize) {
-		textsize = c;
-		goto loop;
-	}
-	if(INITRND)
-		INITDAT = rnd(c, INITRND);
-	if(INITDAT != idat) {
-		idat = INITDAT;
-		goto start;
-	}
-	xdefine("etext", STEXT, c);
-	xdefine("a6base", STEXT, INITDAT+A6OFFSET);
-	if(debug['v'])
-		Bprint(&bso, "etext = %lux\n", c);
-	Bflush(&bso);
-	for(p = textp; p != P; p = p->pcond)
-		p->from.sym->value = p->pc;
-	textsize = c - INITTEXT;
-}
-
-void
-xdefine(char *p, int t, long v)
-{
-	Sym *s;
-
-	s = lookup(p, 0);
-	if(s->type == 0 || s->type == SXREF) {
-		s->type = t;
-		s->value = v;
-	}
-	if(s->type == STEXT && s->value == 0)
-		s->value = v;
-}
-
-int
-andsize(Prog *p, Adr *ap)
-{
-	int t, n;
-	long v;
-	Optab *o;
-
-	t = ap->type;
-	if(ap->index != D_NONE) {
-		n = 2;
-		v = ap->displace;
-		if(v != 0) {
-			n += 2;
-			if(v < -32768L || v >= 32768L)
-				n += 2;
-		}
-		switch(t) {
-		default:
-			v = ap->offset;
-			break;
-
-		case D_STATIC:
-		case D_EXTERN:
-			if(ap->sym->type == STEXT)
-				return n+4;	/* see below */
-			v = ap->sym->value + ap->offset - A6OFFSET;
-			if(debug['6'])
-				v += INITDAT + A6OFFSET;
-		}
-		if(v != 0) {
-			n += 2;
-			if(v < -32768L || v >= 32768L)
-				n += 2;
-		}
-		return n;
-	}
-	n = simple[t];
-	if(n != 0177) {
-		v = ap->offset;
-		if(v == 0)
-			return 0;
-		if((n&070) != 020)	/* D_INDIR */
-			return 0;
-		if(v == 0)
-			return 0;
-		if(v < -32768L || v >= 32768L)
-			return 6;	/* switch to index1 mode */
-		return 2;
-	}
-	if((t&I_MASK) == I_ADDR)
-		t = D_CONST;
-	switch(t) {
-
-	default:
-		return 0;
-
-	case D_STACK:
-	case D_AUTO:
-	case D_PARAM:
-		v = ap->offset;
-		if(v == 0)
-			return 0;
-		if(v < -32768L || v >= 32768L)
-			return 6;	/* switch to index1 mode */
-		return 2;
-
-	case I_INDIR|D_CONST:
-		v = ap->offset;
-		goto adr;
-
-	case D_STATIC:
-	case D_EXTERN:
-		if(ap->sym->type == STEXT)
-			return 4;	/* too slow to get back into namelist */
-		v = ap->sym->value + ap->offset - A6OFFSET;
-		if(debug['6']) {
-			v += INITDAT + A6OFFSET;
-			goto adr;
-		}
-		if(v == 0)
-			return 0;
-
-	adr:
-		if(v < -32768L || v >= 32768L)
-			return 4;
-		return 2;
-
-	case D_CONST:
-	case D_FCONST:
-		o = &optab[p->as];
-		if(ap == &(p->from))
-			return o->srcsp;
-		return o->dstsp;
-
-	case D_CCR:
-	case D_SR:
-		if(p->as == AMOVW)
-			return 0;
-		return 2;
-
-	case D_USP:
-		t = p->from.type;
-		if(t >= D_A0 && t <= D_A0+8)
-			return 0;
-		t = p->to.type;
-		if(t >= D_A0 && t <= D_A0+8)
-			return 0;
-
-	case D_SFC:
-	case D_DFC:
-	case D_CACR:
-	case D_VBR:
-	case D_CAAR:
-	case D_MSP:
-	case D_ISP:
-	case D_FPCR:
-	case D_FPSR:
-	case D_FPIAR:
- 	case D_TC:
-	case D_ITT0:
-	case D_ITT1:
-	case D_DTT0:
-	case D_DTT1:
-	case D_MMUSR:
-	case D_URP:
-	case D_SRP:
-		return 2;
-	}
-}
-
-void
-putsymb(Sym *s, int t, long v)
-{
-	int i, f;
-	char *n;
-
-	n = s->name;
-	if(t == 'f')
-		n++;
-	lput(v);
-	if(s->version)
-		t += 'a' - 'A';
-	CPUT(t+0x80);			/* 0x80 is variable length */
-
-	if(t == 'Z' || t == 'z') {
-		CPUT(n[0]);
-		for(i=1; n[i] != 0 || n[i+1] != 0; i += 2) {
-			CPUT(n[i]);
-			CPUT(n[i+1]);
-		}
-		CPUT(0);
-		CPUT(0);
-		i++;
-	}
-	else {
-		for(i=0; n[i]; i++)
-			CPUT(n[i]);
-		CPUT(0);
-	}
-	symsize += 4 + 1 + i + 1;
-
-	if(debug['n']) {
-		if(t == 'z' || t == 'Z') {
-			Bprint(&bso, "%c %.8lux ", t, v);
-			for(i=1; n[i] != 0 || n[i+1] != 0; i+=2) {
-				f = ((n[i]&0xff) << 8) | (n[i+1]&0xff);
-				Bprint(&bso, "/%x", f);
-			}
-			Bprint(&bso, "\n");
-			return;
-		}
-		if(s->version)
-			Bprint(&bso, "%c %.8lux %s<%d>\n", t, v, n, s->version);
-		else
-			Bprint(&bso, "%c %.8lux %s\n", t, v, n);
-	}
-}
-
-void
-asmsym(void)
-{
-	Prog *p;
-	Auto *a;
-	Sym *s;
-	int h;
-
-	s = lookup("etext", 0);
-	if(s->type == STEXT)
-		putsymb(s, 'T', s->value);
-	s = lookup("a6base", 0);
-	if(s->type == STEXT)
-		putsymb(s, 'D', s->value);
-
-	for(h=0; h<NHASH; h++)
-		for(s=hash[h]; s!=S; s=s->link)
-			switch(s->type) {
-			case SDATA:
-				putsymb(s, 'D', s->value+INITDAT);
-				continue;
-
-			case SBSS:
-				putsymb(s, 'B', s->value+INITDAT);
-				continue;
-
-			case SFILE:
-				putsymb(s, 'f', s->value);
-				continue;
-			}
-
-	for(p=textp; p!=P; p=p->pcond) {
-		s = p->from.sym;
-		if(s->type != STEXT)
-			continue;
-
-		/* filenames first */
-		for(a=p->to.autom; a; a=a->link)
-			if(a->type == D_FILE)
-				putsymb(a->asym, 'z', a->aoffset);
-			else
-			if(a->type == D_FILE1)
-				putsymb(a->asym, 'Z', a->aoffset);
-
-		putsymb(s, 'T', s->value);
-
-		/* auto and param after */
-		for(a=p->to.autom; a; a=a->link)
-			if(a->type == D_AUTO)
-				putsymb(a->asym, 'a', -a->aoffset);
-			else
-			if(a->type == D_PARAM)
-				putsymb(a->asym, 'p', a->aoffset);
-	}
-	if(debug['v'] || debug['n'])
-		Bprint(&bso, "symsize = %lud\n", symsize);
-	Bflush(&bso);
-}
-
-#define	MINLC	2
-void
-asmsp(void)
-{
-	long oldpc, oldsp;
-	Prog *p;
-	int s;
-	long v;
-
-	oldpc = INITTEXT;
-	oldsp = 0;
-	for(p = firstp; p != P; p = p->link) {
-		if(p->stkoff == oldsp || p->as == ATEXT || p->as == ANOP) {
-			if(p->as == ATEXT)
-				curtext = p;
-			if(debug['G'])
-				Bprint(&bso, "%6lux %4ld%P\n",
-					p->pc, p->stkoff, p);
-			continue;
-		}
-		if(debug['G'])
-			Bprint(&bso, "\t\t%6ld", spsize);
-		v = (p->pc - oldpc) / MINLC;
-		while(v) {
-			s = 127;
-			if(v < 127)
-				s = v;
-			CPUT(s+128);	/* 129-255 +pc */
-			if(debug['G'])
-				Bprint(&bso, " pc+%d*2(%d)", s, s+128);
-			v -= s;
-			spsize++;
-		}
-		v = p->stkoff - oldsp;
-		oldsp = p->stkoff;
-		oldpc = p->pc + MINLC;
-		if(v & 3 || v > 64L*4L || v < -64L*4L) {
-			CPUT(0);	/* 0 vvvv +sp */
-			lput(v);
-			if(debug['G']) {
-				if(v > 0)
-					Bprint(&bso, " sp+%ld*1(%d,%ld)\n",
-						v, 0, v);
-				else
-					Bprint(&bso, " sp%ld*1(%d,%ld)\n",
-						v, 0, v);
-				Bprint(&bso, "%6lux %4ld%P\n",
-					p->pc, p->stkoff, p);
-			}
-			spsize += 5;
-			continue;
-		}
-		s = v/4;
-		if(s > 0) {
-			CPUT(0+s);	/* 1-64 +sp */
-			if(debug['G']) {
-				Bprint(&bso, " sp+%d*4(%d)\n", s, 0+s);
-				Bprint(&bso, "%6lux %4ld%P\n",
-					p->pc, p->stkoff, p);
-			}
-		} else {
-			CPUT(64-s);	/* 65-128 -sp */
-			if(debug['G']) {
-				Bprint(&bso, " sp%d*4(%d)\n", s, 64-s);
-				Bprint(&bso, "%6lux %4ld%P\n",
-					p->pc, p->stkoff, p);
-			}
-		}
-		spsize++;
-	}
-	while(spsize & 1) {
-		s = 129;
-		CPUT(s);
-		spsize++;
-	}
-	if(debug['v'] || debug['G'])
-		Bprint(&bso, "stsize = %ld\n", spsize);
-	Bflush(&bso);
-}
-
-void
-asmlc(void)
-{
-	long oldpc, oldlc;
-	Prog *p;
-	long v, s;
-
-	oldpc = INITTEXT;
-	oldlc = 0;
-	for(p = firstp; p != P; p = p->link) {
-		if(p->line == oldlc || p->as == ATEXT || p->as == ANOP) {
-			if(p->as == ATEXT)
-				curtext = p;
-			if(debug['L'])
-				Bprint(&bso, "%6lux %P\n",
-					p->pc, p);
-			continue;
-		}
-		if(debug['L'])
-			Bprint(&bso, "\t\t%6ld", lcsize);
-		v = (p->pc - oldpc) / MINLC;
-		while(v) {
-			s = 127;
-			if(v < 127)
-				s = v;
-			CPUT(s+128);	/* 129-255 +pc */
-			if(debug['L'])
-				Bprint(&bso, " pc+%ld*%d(%ld)", s, MINLC, s+128);
-			v -= s;
-			lcsize++;
-		}
-		s = p->line - oldlc;
-		oldlc = p->line;
-		oldpc = p->pc + MINLC;
-		if(s > 64 || s < -64) {
-			CPUT(0);	/* 0 vv +lc */
-			CPUT(s>>24);
-			CPUT(s>>16);
-			CPUT(s>>8);
-			CPUT(s);
-			if(debug['L']) {
-				if(s > 0)
-					Bprint(&bso, " lc+%ld(%d,%ld)\n",
-						s, 0, s);
-				else
-					Bprint(&bso, " lc%ld(%d,%ld)\n",
-						s, 0, s);
-				Bprint(&bso, "%6lux %P\n",
-					p->pc, p);
-			}
-			lcsize += 5;
-			continue;
-		}
-		if(s > 0) {
-			CPUT(0+s);	/* 1-64 +lc */
-			if(debug['L']) {
-				Bprint(&bso, " lc+%ld(%ld)\n", s, 0+s);
-				Bprint(&bso, "%6lux %P\n",
-					p->pc, p);
-			}
-		} else {
-			CPUT(64-s);	/* 65-128 -lc */
-			if(debug['L']) {
-				Bprint(&bso, " lc%ld(%ld)\n", s, 64-s);
-				Bprint(&bso, "%6lux %P\n",
-					p->pc, p);
-			}
-		}
-		lcsize++;
-	}
-	while(lcsize & 1) {
-		s = 129;
-		CPUT(s);
-		lcsize++;
-	}
-	if(debug['v'] || debug['L'])
-		Bprint(&bso, "lcsize = %ld\n", lcsize);
-	Bflush(&bso);
-}
-- 
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