X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Ftest%2Fasm_test.c;h=d5fe607fa3f5dc2c5487eea94fad6923fe07a278;hb=472ccfce16a006cff42fc12e463e1d5a2d1a8de4;hp=cce98598dc9e2a7d2eba1f273024ad1ba04fd6f7;hpb=c1bd563c516a4540b6e4db0a4e456c0f64c70650;p=libfirm

diff --git a/ir/be/test/asm_test.c b/ir/be/test/asm_test.c
index cce98598d..d5fe607fa 100644
--- a/ir/be/test/asm_test.c
+++ b/ir/be/test/asm_test.c
@@ -1,5 +1,7 @@
 #include <stdio.h>
+#include <assert.h>
 
+#ifdef __i386__
 static inline unsigned char inb(const unsigned short port)
 {
     unsigned char val;
@@ -32,12 +34,66 @@ static inline int mov(int val)
 	return res;
 }
 
+static inline unsigned short swap16(unsigned short x)
+{
+	__asm__("xchgb %b0, %h0 /* in: %1 out: %0 */" : "=q" (x) : "0" (x));
+	return x;
+}
 
-int main()
+static inline unsigned int swap32(unsigned int x)
+{
+	__asm__("bswap %0 /* %1 */" : "=r" (x) : "0" (x));
+	return x;
+}
+
+#if 1
+typedef struct kernel_fd_set {
+	int bla;
+	int blup;
+} kernel_fd_set;
+#else
+typedef int kernel_fd_set;
+#endif
+
+void fd_set(int fd, kernel_fd_set* set) {
+	__asm__("btsl %1,%0" : "=m" (*(set)) : "r" (fd));
+}
+
+int fd_isset(int fd, kernel_fd_set *set) {
+	unsigned char result;
+
+	__asm__ __volatile__("btl %1,%2\n"
+                         "\tsetb %0"
+			: "=q" (result)
+			: "r" (fd),  "m" (*set));
+	return result;
+}
+
+int justcompile(void)
 {
-	//sincostest(0.5);
 	outb(123, 42);
 	outb(12345, 42);
+	return inb(20) + inb(5);
+}
+
+int main()
+{
+	kernel_fd_set s;
+
+	fd_set(20, &s);
+	assert(fd_isset(20, &s));
+
+	printf("Swap16: %d Swap32: %d\n", swap16(12), swap32(123551235));
 
-	return mov(0) + inb(12345) + inb(123);
+	return mov(0);
 }
+
+#else
+
+int main()
+{
+	printf("Warning: asmtest only work on x86\n");
+	return 0;
+}
+
+#endif