X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Ftests%2Ftcg%2Fopenrisc%2Ftest_addc.c;fp=qemu%2Ftests%2Ftcg%2Fopenrisc%2Ftest_addc.c;h=a8f756a69b2e0ba0f033bb886651cc2946284177;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/tests/tcg/openrisc/test_addc.c b/qemu/tests/tcg/openrisc/test_addc.c
new file mode 100644
index 000000000..a8f756a69
--- /dev/null
+++ b/qemu/tests/tcg/openrisc/test_addc.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+
+int main(void)
+{
+    int a, b, c;
+    int result;
+
+    b = 0x01;
+    c = 0xffffffff;
+    result = 0;
+    __asm
+    ("l.add r1, r1, r0\n\t" /* clear carry */
+     "l.addc   %0, %1, %2\n\t"
+     : "=r"(a)
+     : "r"(b), "r"(c)
+    );
+    if (a != result) {
+        printf("first addc error\n");
+        return -1;
+    }
+
+    b = 0x01;
+    c = 0xffffffff;
+    result = 0x80000001;
+    __asm
+    ("l.add r1, r1, r0\n\t" /* clear carry */
+     "l.addc   %0, %1, %2\n\t"
+     "l.movhi  %2, 0x7fff\n\t"
+     "l.ori    %2, %2, 0xffff\n\t"
+     "l.addc   %0, %1, %2\n\t"
+     : "=r"(a)
+     : "r"(b), "r"(c)
+    );
+    if (a != result) {
+        printf("addc error\n");
+        return -1;
+    }
+
+    return 0;
+}