[PULL 14/43] tests/tcg/aarch64: Add regression test for whilewr/whilerw

From: Richard Henderson <[email protected]>

Signed-off-by: Richard Henderson <[email protected]>
Reviewed-by: Peter Maydell <[email protected]>
Message-id: [email protected]
Signed-off-by: Peter Maydell <[email protected]>
---
 tests/tcg/aarch64/Makefile.target |  5 +++--
 tests/tcg/aarch64/sve-while-ptr.c | 28 ++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 tests/tcg/aarch64/sve-while-ptr.c

diff --git a/tests/tcg/aarch64/Makefile.target b/tests/tcg/aarch64/Makefile.target
index 32f26892737..6cc81bf854f 100644
--- a/tests/tcg/aarch64/Makefile.target
+++ b/tests/tcg/aarch64/Makefile.target
@@ -203,8 +203,9 @@ endif
 endif
 
 ifneq ($(CROSS_CC_HAS_SVE2),)
-AARCH64_TESTS += test-826
-test-826: CFLAGS += $(CROSS_CC_HAS_SVE2)
+SVE2_TESTS = test-826 sve-while-ptr
+$(SVE2_TESTS): CFLAGS += $(CROSS_CC_HAS_SVE2)
+AARCH64_TESTS += $(SVE2_TESTS)
 endif
 
 TESTS += $(AARCH64_TESTS)
diff --git a/tests/tcg/aarch64/sve-while-ptr.c b/tests/tcg/aarch64/sve-while-ptr.c
new file mode 100644
index 00000000000..7db3b9cc035
--- /dev/null
+++ b/tests/tcg/aarch64/sve-while-ptr.c
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* WHILEWR / WHILERW regression test */
+
+#include <sys/prctl.h>
+#include <assert.h>
+
+int main(int argc, char **argv)
+{
+    unsigned short p;
+    int set_vl_ret;
+
+    set_vl_ret = prctl(PR_SVE_SET_VL, 16, 0, 0, 0, 0);
+    assert(set_vl_ret == 16);
+
+    p = 0xdead;
+    asm("whilewr p0.s, %0, %1\n\t"
+        "str p0, [%2]"
+        : : "r"(8), "r"(11), "r"(&p) : "memory", "p0");
+    assert(p == 0x1111);
+
+    p = 0xdead;
+    asm("whilerw p0.s, %0, %1\n\t"
+        "str p0, [%2]"
+        : : "r"(8), "r"(11), "r"(&p) : "memory", "p0");
+    assert(p == 0x1111);
+
+    return 0;
+}
-- 
2.43.0