Added 2 testcases for the IA32 backend

[libfirm] / ir / be / test / asm_test.c

diff --git a/ir/be/test/asm_test.c b/ir/be/test/asm_test.c
index 6c8a4c7..83de4fd 100644 (file)
--- a/ir/be/test/asm_test.c
+++ b/ir/be/test/asm_test.c
@@ -1,9 +1,67 @@
-double test(double angle) {
-       double result;
-       asm ("fsinx %1,%0" : "=f" (result) : "f" (angle));
-       return result;
+#include <stdio.h>
+
+#ifdef __i386__
+static inline unsigned char inb(const unsigned short port)
+{
+    unsigned char val;
+
+    __asm__ __volatile__ ("inb  %w1, %0" : "=a"(val) : "dN"(port));
+
+    return val;
+}
+
+static inline void outb(const unsigned short port, const unsigned char val)
+{
+       int k = val; /* just here to test the b modifier in %b0 */
+    __asm__ __volatile__ ("outb %b0, %1" : : "a"(k), "dN"(port));
+}
+
+static void sincostest(double arg)
+{
+       double cos, sin;
+
+       __asm__ ("fsincos" : "=t"(cos), "=u"(sin) : "0" (arg));
+       printf("Arg: %f Sin: %f Cos: %f\n", arg, sin, cos);
+}
+
+static inline int mov(int val)
+{
+       int res;
+
+       __asm__ ("movl %1, %0" : "=r"(res) : "ri" (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(int argc, char *argv[]) {
-       printf("%f\n", test(0.5));
+static inline unsigned int swap32(unsigned int x)
+{
+       __asm__("bswap %0 /* %1 */" : "=r" (x) : "0" (x));
+       return x;
 }
+
+int main()
+{
+       //sincostest(0.5);
+       /*outb(123, 42);
+       outb(12345, 42);*/
+
+       printf("Swap16: %d Swap32: %d\n", swap16(12), swap32(123551235));
+
+       return mov(0) /*+ inb(12345) + inb(123)*/;
+}
+
+#else
+
+int main()
+{
+       printf("Warning: asmtest only work on x86\n");
+       return 0;
+}
+
+#endif