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| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2023-08-05 01:55:34 +0200 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-08-23 12:06:44 +0200 |
| commit | 93af6e0a61f45fe0704e27f04e759924afa59e6e (patch) | |
| tree | 479b8a0f2e58e0ca2b7dc1500379286b2b246906 /tests | |
| parent | 6db3518ba4fcddd71049718f138552999f0d97b4 (diff) | |
| download | qemu-93af6e0a61f45fe0704e27f04e759924afa59e6e.zip qemu-93af6e0a61f45fe0704e27f04e759924afa59e6e.tar.gz qemu-93af6e0a61f45fe0704e27f04e759924afa59e6e.tar.bz2 | |
tests/tcg/s390x: Test VSTL
Add a small test to prevent regressions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230804235624.263260-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcg/s390x/Makefile.target | 1 | ||||
| -rw-r--r-- | tests/tcg/s390x/vstl.c | 37 |
2 files changed, 38 insertions, 0 deletions
diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 1fc9809..e280c8c 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -59,6 +59,7 @@ Z13_TESTS=vistr Z13_TESTS+=lcbb Z13_TESTS+=locfhr Z13_TESTS+=vcksm +Z13_TESTS+=vstl $(Z13_TESTS): CFLAGS+=-march=z13 -O2 TESTS+=$(Z13_TESTS) diff --git a/tests/tcg/s390x/vstl.c b/tests/tcg/s390x/vstl.c new file mode 100644 index 0000000..bece952 --- /dev/null +++ b/tests/tcg/s390x/vstl.c @@ -0,0 +1,37 @@ +/* + * Test the VSTL instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include <assert.h> +#include <stdlib.h> +#include "vx.h" + +static inline void vstl(S390Vector *v1, void *db2, size_t r3) +{ + asm("vstl %[v1],%[r3],%[db2]" + : [db2] "=Q" (*(char *)db2) + : [v1] "v" (v1->v), [r3] "r" (r3) + : "memory"); +} + +int main(void) +{ + uint64_t buf[3] = {0x1122334455667788ULL, 0x99aabbccddeeffULL, + 0x5a5a5a5a5a5a5a5aULL}; + S390Vector v = {.d[0] = 0x1234567887654321ULL, + .d[1] = 0x9abcdef00fedcba9ULL}; + + vstl(&v, buf, 0); + assert(buf[0] == 0x1222334455667788ULL); + + vstl(&v, buf, 1); + assert(buf[0] == 0x1234334455667788ULL); + + vstl(&v, buf, -1); + assert(buf[0] == 0x1234567887654321ULL); + assert(buf[1] == 0x9abcdef00fedcba9ULL); + assert(buf[2] == 0x5a5a5a5a5a5a5a5aULL); + + return EXIT_SUCCESS; +} |