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[PULL 10/21] tests/tcg/s390x: Test LARL with a large offset
From: |
Thomas Huth |
Subject: |
[PULL 10/21] tests/tcg/s390x: Test LARL with a large offset |
Date: |
Mon, 10 Jul 2023 14:15:32 +0200 |
From: Ilya Leoshkevich <iii@linux.ibm.com>
Add a small test to prevent regressions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230704081506.276055-10-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
tests/tcg/s390x/larl.c | 21 +++++++++++++++++++++
tests/tcg/s390x/Makefile.target | 1 +
2 files changed, 22 insertions(+)
create mode 100644 tests/tcg/s390x/larl.c
diff --git a/tests/tcg/s390x/larl.c b/tests/tcg/s390x/larl.c
new file mode 100644
index 0000000000..7c95f89be7
--- /dev/null
+++ b/tests/tcg/s390x/larl.c
@@ -0,0 +1,21 @@
+/*
+ * Test the LARL instruction.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include <stdlib.h>
+
+int main(void)
+{
+ long algfi = (long)main;
+ long larl;
+
+ /*
+ * The compiler may emit larl for the C addition, so compute the expected
+ * value using algfi.
+ */
+ asm("algfi %[r],0xd0000000" : [r] "+r" (algfi) : : "cc");
+ asm("larl %[r],main+0xd0000000" : [r] "=r" (larl));
+
+ return algfi == larl ? EXIT_SUCCESS : EXIT_FAILURE;
+}
diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target
index 2ef22c88d9..dbf64c991e 100644
--- a/tests/tcg/s390x/Makefile.target
+++ b/tests/tcg/s390x/Makefile.target
@@ -37,6 +37,7 @@ TESTS+=ex-relative-long
TESTS+=ex-branch
TESTS+=mxdb
TESTS+=epsw
+TESTS+=larl
cdsg: CFLAGS+=-pthread
cdsg: LDFLAGS+=-pthread
--
2.39.3
- [PULL 01/21] hw/s390x: Move KVM specific PV from hw/ to target/s390x/kvm/, (continued)
- [PULL 01/21] hw/s390x: Move KVM specific PV from hw/ to target/s390x/kvm/, Thomas Huth, 2023/07/10
- [PULL 03/21] target/s390x: Fix EPSW CC reporting, Thomas Huth, 2023/07/10
- [PULL 04/21] target/s390x: Fix MDEB and MDEBR, Thomas Huth, 2023/07/10
- [PULL 09/21] tests/tcg/s390x: Test EPSW, Thomas Huth, 2023/07/10
- [PULL 02/21] linux-user: elfload: Add more initial s390x PSW bits, Thomas Huth, 2023/07/10
- [PULL 07/21] target/s390x: Fix LRA when DAT is off, Thomas Huth, 2023/07/10
- [PULL 05/21] target/s390x: Fix MVCRL with a large value in R0, Thomas Huth, 2023/07/10
- [PULL 06/21] target/s390x: Fix LRA overwriting the top 32 bits on DAT error, Thomas Huth, 2023/07/10
- [PULL 08/21] target/s390x: Fix relative long instructions with large offsets, Thomas Huth, 2023/07/10
- [PULL 12/21] tests/tcg/s390x: Test MDEB and MDEBR, Thomas Huth, 2023/07/10
- [PULL 10/21] tests/tcg/s390x: Test LARL with a large offset,
Thomas Huth <=
- [PULL 11/21] tests/tcg/s390x: Test LRA, Thomas Huth, 2023/07/10
- [PULL 13/21] tests/tcg/s390x: Test MVCRL with a large value in R0, Thomas Huth, 2023/07/10
- [PULL 16/21] tests/qtest/readconfig: Test the docs/config/q35-*.cfg files, Thomas Huth, 2023/07/10
- [PULL 14/21] tests/qtest/readconfig-test: Allow testing for arbitrary memory sizes, Thomas Huth, 2023/07/10
- [PULL 15/21] tests/qtest: Move mkimg() and have_qemu_img() from libqos to libqtest, Thomas Huth, 2023/07/10
- [PULL 17/21] os-posix: Allow 'chroot' via '-run-with' and deprecate the old '-chroot' option, Thomas Huth, 2023/07/10
- [PULL 18/21] meson.build: Skip C++ detection unless we're targeting Windows, Thomas Huth, 2023/07/10