1 files changed, 82 insertions, 0 deletions
diff --git a/regress/sys/arch/m68k/emuspeed/emuspeed.c b/regress/sys/arch/m68k/emuspeed/emuspeed.c
new file mode 100644
index 00000000000..092ec595be7
--- /dev/null
+++ b/regress/sys/arch/m68k/emuspeed/emuspeed.c
@@ -0,0 +1,82 @@
+/*	$NetBSD: emuspeed.c,v 1.3 1998/06/15 14:43:25 is Exp $	*/
+
+#include <setjmp.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "speed.h"
+
+#define PRECISION 500
+
+const struct test {
+	char *name; 
+	void (*func)__P((int));
+	char *comment;
+} testlist[] = {
+	{"Illegal", illegal, "(test: unimplemented)"},
+	{"mulsl Da,Db", mul32sreg, "(test: should be native)"},
+	{"mulsl sp@(8),Da", mul32smem, "(test: should be native)\n"},
+	
+	{"mulsl Dn,Da:Db", mul64sreg, "emulated on 68060"},
+	{"mulul Dn,Da:Db", mul64ureg, "\t\""},
+	{"mulsl sp@(8),Da:Db", mul64smem, "\t\""},
+	{"mulul sp@(8),Da:Db", mul64umem, "\t\"\n"},
+
+	{"divsl Da:Db,Dn", div64sreg, "\t\""},
+	{"divul Da:Db,Dn", div64ureg, "\t\""},
+	{"divsl Da:Db,sp@(8)", div64smem, "\t\""},
+	{"divul Da:Db,sp@(8)", div64umem, "\t\"\n"},
+
+	{NULL, NULL, NULL}
+};
+
+jmp_buf jbuf;
+void illhand (int);
+
+int
+main(argc, argv)
+	int argc;
+	char *argv[];
+{
+	const struct test *t;
+	clock_t start, stop;
+	int count;
+
+
+	if (signal(SIGILL, &illhand))
+		warn("%s: can't install illegal instruction handler.",
+		    argv[0]);
+
+	printf("Speed of instructions which are emulated on some cpus:\n\n");
+	(void)sleep(1);
+	for (t=testlist; t->name; t++) {
+		printf("%-20s", t->name);
+		fflush(stdout);
+
+		if (setjmp(jbuf)) {
+			printf("%15s    %s\n", "[unimplemented]", t->comment);
+			continue;
+		}
+			
+		count = 1000;
+		do {
+			count *= 2;
+			start = clock();
+			t->func(count);
+			stop = clock();
+		} while ((stop - start) < PRECISION);
+		printf("%13d/s    %s\n",
+		    CLOCKS_PER_SEC*(count /(stop - start)),
+		    t->comment);
+	}
+	exit (0);
+}
+
+void
+illhand(int i)
+{
+	longjmp(jbuf, 1);
+}