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-rw-r--r--qemu/tests/tcg/cris/check_addcm.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/qemu/tests/tcg/cris/check_addcm.c b/qemu/tests/tcg/cris/check_addcm.c
new file mode 100644
index 000000000..7928bc999
--- /dev/null
+++ b/qemu/tests/tcg/cris/check_addcm.c
@@ -0,0 +1,85 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include "sys.h"
+#include "crisutils.h"
+
+/* need to avoid acr as source here. */
+static inline int cris_addc_m(int a, const int *b)
+{
+ asm volatile ("addc [%1], %0\n" : "+r" (a) : "r" (b));
+ return a;
+}
+
+/* 'b' is a crisv32 constrain to avoid postinc with $acr. */
+static inline int cris_addc_pi_m(int a, int **b)
+{
+ asm volatile ("addc [%1+], %0\n" : "+r" (a), "+b" (*b));
+ return a;
+}
+
+#define verify_addc_m(a, b, res, n, z, v, c) \
+{ \
+ int r; \
+ r = cris_addc_m((a), (b)); \
+ cris_tst_cc((n), (z), (v), (c)); \
+ if (r != (res)) \
+ err(); \
+}
+
+#define verify_addc_pi_m(a, b, res, n, z, v, c) \
+{ \
+ int r; \
+ r = cris_addc_pi_m((a), (b)); \
+ cris_tst_cc((n), (z), (v), (c)); \
+ if (r != (res)) \
+ err(); \
+}
+
+int x[] = { 0, 0, 2, -1, 0xffff, -1, 0x5432f789};
+
+int main(void)
+{
+ int *p = (void *)&x[0];
+#if 1
+ cris_tst_cc_init();
+ asm volatile ("clearf cz");
+ verify_addc_m(0, p, 0, 0, 0, 0, 0);
+
+ cris_tst_cc_init();
+ asm volatile ("setf z");
+ verify_addc_m(0, p, 0, 0, 1, 0, 0);
+
+ cris_tst_cc_init();
+ asm volatile ("setf c");
+ verify_addc_m(0, p, 1, 0, 0, 0, 0);
+
+ cris_tst_cc_init();
+ asm volatile ("clearf c");
+ verify_addc_pi_m(0, &p, 0, 0, 1, 0, 0);
+
+ p = &x[1];
+ cris_tst_cc_init();
+ asm volatile ("setf c");
+ verify_addc_pi_m(0, &p, 1, 0, 0, 0, 0);
+
+ if (p != &x[2])
+ err();
+
+ cris_tst_cc_init();
+ asm volatile ("clearf c");
+ verify_addc_pi_m(-1, &p, 1, 0, 0, 0, 1);
+
+ if (p != &x[3])
+ err();
+#endif
+ p = &x[3];
+ /* TODO: investigate why this one fails. */
+ cris_tst_cc_init();
+ asm volatile ("setf c");
+ verify_addc_m(2, p, 2, 0, 0, 0, 1);
+ p += 4;
+
+ pass();
+ return 0;
+}