aboutsummaryrefslogtreecommitdiff
path: root/tests
diff options
context:
space:
mode:
Diffstat (limited to 'tests')
-rw-r--r--tests/tcg/sh4/Makefile.target3
-rw-r--r--tests/tcg/sh4/test-addv.c27
2 files changed, 30 insertions, 0 deletions
diff --git a/tests/tcg/sh4/Makefile.target b/tests/tcg/sh4/Makefile.target
index c3d7fa86e3..39751c41b2 100644
--- a/tests/tcg/sh4/Makefile.target
+++ b/tests/tcg/sh4/Makefile.target
@@ -20,3 +20,6 @@ TESTS += test-macl
test-macw: CFLAGS += -O -g
TESTS += test-macw
+
+test-addv: CFLAGS += -O -g
+TESTS += test-addv
diff --git a/tests/tcg/sh4/test-addv.c b/tests/tcg/sh4/test-addv.c
new file mode 100644
index 0000000000..ca87fe746a
--- /dev/null
+++ b/tests/tcg/sh4/test-addv.c
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static void addv(const int a, const int b, const int res, const int carry)
+{
+ int o = a, c;
+
+ asm volatile("addv %2,%0\n"
+ "movt %1\n"
+ : "+r"(o), "=r"(c) : "r"(b) : );
+
+ if (c != carry || o != res) {
+ printf("ADDV %d, %d = %d/%d [T = %d/%d]\n", a, b, o, res, c, carry);
+ abort();
+ }
+}
+
+int main(void)
+{
+ addv(INT_MAX, 1, INT_MIN, 1);
+ addv(INT_MAX - 1, 1, INT_MAX, 0);
+
+ return 0;
+}