Revert "liblink, cmd/5a: fix reglist parsing/printing after changing REG_R0 to 32"

This reverts commit da4abda2.

Change-Id: Ifd09b3dae0af0c7cef5fbbc332c63e78dc90d6b1
Reviewed-on: https://go-review.googlesource.com/3960Reviewed-by: Russ Cox <rsc@golang.org>

src/cmd/5a/a.y

@@ -38,7 +38,7 @@
 %union
 {
 	Sym	*sym;
-	int64	lval;
+	int32	lval;
 	double	dval;
 	char	sval[8];
 	Addr	addr;
@@ -460,20 +460,20 @@ fcon:
 reglist:
 	spreg
 	{
-		$$ = 1ULL << $1;
+		$$ = 1 << $1;
 	}
 |	spreg '-' spreg
 	{
 		int i;
 		$$=0;
 		for(i=$1; i<=$3; i++)
-			$$ |= 1ULL<<i;
+			$$ |= 1<<i;
 		for(i=$3; i<=$1; i++)
-			$$ |= 1ULL<<i;
+			$$ |= 1<<i;
 	}
 |	spreg comma reglist
 	{
-		$$ = (1ULL<<$1) | $3;
+		$$ = (1<<$1) | $3;
 	}
 
 gen:

src/cmd/5a/y.tab.c

@@ -204,7 +204,7 @@ typedef union YYSTYPE
 #line 39 "a.y"
 {
 	Sym	*sym;
-	int64	lval;
+	int32	lval;
 	double	dval;
 	char	sval[8];
 	Addr	addr;
@@ -2223,7 +2223,7 @@ yyreduce:
   case 64:
 #line 462 "a.y"
     {
-		(yyval.lval) = 1ULL << (yyvsp[(1) - (1)].lval);
+		(yyval.lval) = 1 << (yyvsp[(1) - (1)].lval);
 	}
     break;
 
@@ -2233,16 +2233,16 @@ yyreduce:
 		int i;
 		(yyval.lval)=0;
 		for(i=(yyvsp[(1) - (3)].lval); i<=(yyvsp[(3) - (3)].lval); i++)
-			(yyval.lval) |= 1ULL<<i;
+			(yyval.lval) |= 1<<i;
 		for(i=(yyvsp[(3) - (3)].lval); i<=(yyvsp[(1) - (3)].lval); i++)
-			(yyval.lval) |= 1ULL<<i;
+			(yyval.lval) |= 1<<i;
 	}
     break;
 
   case 66:
 #line 475 "a.y"
     {
-		(yyval.lval) = (1ULL<<(yyvsp[(1) - (3)].lval)) | (yyvsp[(3) - (3)].lval);
+		(yyval.lval) = (1<<(yyvsp[(1) - (3)].lval)) | (yyvsp[(3) - (3)].lval);
 	}
     break;
 

src/cmd/5a/y.tab.h

@@ -149,7 +149,7 @@ typedef union YYSTYPE
 #line 39 "a.y"
 {
 	Sym	*sym;
-	int64	lval;
+	int32	lval;
 	double	dval;
 	char	sval[8];
 	Addr	addr;

src/liblink/asm5.c

@@ -1820,14 +1820,14 @@ if(0 /*debug['G']*/) print("%ux: %s: arm %d\n", (uint32)(p->pc), p->from.sym->na
 		switch(o->type) {
 		case 38:	/* movm $con,oreg -> stm */
 			o1 = (0x4 << 25);
-			o1 |= (p->from.offset >> REG_R0) & 0xffff;
+			o1 |= p->from.offset & 0xffff;
 			o1 |= (p->to.reg&15) << 16;
 			aclass(ctxt, &p->to);
 			break;
 	
 		case 39:	/* movm oreg,$con -> ldm */
 			o1 = (0x4 << 25) | (1 << 20);
-			o1 |= (p->to.offset >> REG_R0) & 0xffff;
+			o1 |= p->to.offset & 0xffff;
 			o1 |= (p->from.reg&15) << 16;
 			aclass(ctxt, &p->from);
 			break;

src/liblink/list5.c

@@ -222,8 +222,7 @@ RAconv(Fmt *fp)
 {
 	char str[STRINGSZ];
 	Addr *a;
-	int i;
-	vlong v;
+	int i, v;
 
 	a = va_arg(fp->args, Addr*);
 	sprint(str, "GOK-reglist");
@@ -233,7 +232,7 @@ RAconv(Fmt *fp)
 			break;
 		if(a->sym != nil)
 			break;
-		v = a->offset >> REG_R0;
+		v = a->offset;
 		strcpy(str, "");
 		for(i=0; i<NREG; i++) {
 			if(v & (1<<i)) {