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libmach: clean up power64 tests

--- a/sys/src/libmach/test/q.c

+++ b/sys/src/libmach/test/q.c

@@ -1282,15 +1282,21 @@

 };

 void

-main(int, char**)

+main(int argc, char **argv)

 {

 	uchar buf[64];

 	int i, w;

-	int fail;

+	int debug;

-	fail = 0;

 	machbytype(FPOWER64);

+	debug = 0;

+	ARGBEGIN{

+	case 'd':

+		debug++;

+		break;

+	}ARGEND

+

 	for(w = 0; w < 2; w++){

 		which = w;

 		for(i = 0; i < nelem(instab); i++){

@@ -1297,11 +1303,9 @@

 			buf[0] = 0;

 			machdata->das(&fakemap, i*4, 0, (char*)buf, sizeof buf);

 			if(strstr((char*)buf, "unknown") != nil)

-				fail++;

-			else if(strstr((char*)buf, instab[i].mneomic) == nil)

+				sysfatal("%s not implemented", instab[i].mneomic);

+			else if(debug && strstr((char*)buf, instab[i].mneomic) == nil)

 				print("%s\t%s\n", instab[i].mneomic, (char*)buf);

-			if(fail > 20)

-				sysfatal("fail %d", i-20);

 		}

 	}

 	for(w = 0; w < 2; w++){

@@ -1309,14 +1313,10 @@

 		for(i = 0; i < nelem(instab2); i++){

 			buf[0] = 0;

 			machdata->das(&fakemap, nelem(instab)*4+i*8, 0, (char*)buf, sizeof buf);

-			if(strstr((char*)buf, "unknown") != nil){

-				print("(%d) %s\t%s\n", which, instab2[i].mneomic, (char*)buf);

-				fail++;

-			} else if(strstr((char*)buf, instab2[i].mneomic) == nil){

+			if(strstr((char*)buf, "unknown") != nil)

+				sysfatal("%s not implemented", instab2[i].mneomic);

+			else if(debug && strstr((char*)buf, instab2[i].mneomic) == nil)

 				print("%s\t%s\n", instab2[i].mneomic, (char*)buf);

-			}

-			if(fail > 20)

-				sysfatal("fail %d", i-20);

 		}

 	}

 	exits(nil);