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Diffstat (limited to 'qemu/tests/tcg/openrisc/test_mul.c')
-rw-r--r--qemu/tests/tcg/openrisc/test_mul.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/qemu/tests/tcg/openrisc/test_mul.c b/qemu/tests/tcg/openrisc/test_mul.c
new file mode 100644
index 000000000..130101fde
--- /dev/null
+++ b/qemu/tests/tcg/openrisc/test_mul.c
@@ -0,0 +1,61 @@
+#include <stdio.h>
+
+int main(void)
+{
+ int a, b, c;
+ int result;
+
+ b = 0x4;
+ c = 0x1;
+ result = 0x4;
+ __asm
+ ("l.mul %0, %1, %2\n\t"
+ : "=r"(a)
+ : "r"(b), "r"(c)
+ );
+ if (a != result) {
+ printf("mul error\n");
+ return -1;
+ }
+
+ b = 0x1;
+ c = 0x0;
+ result = 0x0;
+ __asm
+ ("l.mul %0, %1, %2\n\t"
+ : "=r"(a)
+ : "r"(b), "r"(c)
+ );
+ if (a != result) {
+ printf("mul error\n");
+ return -1;
+ }
+
+ b = 0x1;
+ c = 0xff;
+ result = 0xff;
+ __asm
+ ("l.mul %0, %1, %2\n\t"
+ : "=r"(a)
+ : "r"(b), "r"(c)
+ );
+ if (a != result) {
+ printf("mul error\n");
+ return -1;
+ }
+
+ b = 0x7fffffff;
+ c = 0x2;
+ result = 0xfffffffe;
+ __asm
+ ("l.mul %0, %1, %2\n\t"
+ : "=r"(a)
+ : "r"(b), "r"(c)
+ );
+ if (a != result) {
+ printf("mul error\n");
+ return -1;
+ }
+
+ return 0;
+}