| Message ID | 20230719094620.363206-15-iii@linux.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | target/s390x: Miscellaneous TCG fixes, part 2 | expand |
On 19/07/2023 11.44, Ilya Leoshkevich wrote: > Add a small test to prevent regressions. > > Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> > --- > tests/tcg/s390x/Makefile.target | 1 + > tests/tcg/s390x/vcksm.c | 31 +++++++++++++++++++++++++++++++ > tests/tcg/s390x/vx.h | 2 ++ > 3 files changed, 34 insertions(+) > create mode 100644 tests/tcg/s390x/vcksm.c Tested-by: Thomas Huth <thuth@redhat.com>
diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 71bf39b78d3..1fc98099070 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -58,6 +58,7 @@ TESTS += $(PGM_SPECIFICATION_TESTS) Z13_TESTS=vistr Z13_TESTS+=lcbb Z13_TESTS+=locfhr +Z13_TESTS+=vcksm $(Z13_TESTS): CFLAGS+=-march=z13 -O2 TESTS+=$(Z13_TESTS) diff --git a/tests/tcg/s390x/vcksm.c b/tests/tcg/s390x/vcksm.c new file mode 100644 index 00000000000..452daaae6ce --- /dev/null +++ b/tests/tcg/s390x/vcksm.c @@ -0,0 +1,31 @@ +/* + * Test the VCKSM instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include <assert.h> +#include <stdlib.h> +#include <string.h> +#include "vx.h" + +int main(void) +{ + S390Vector v1; + S390Vector v2 = { + .d[0] = 0xb2261c8140edce49ULL, + .d[1] = 0x387bf5a433af39d1ULL, + }; + S390Vector v3 = { + .d[0] = 0x73b03d2c7f9e654eULL, + .d[1] = 0x23d74e51fb479877ULL, + }; + S390Vector exp = {.d[0] = 0xdedd7f8eULL, .d[1] = 0ULL}; + + asm volatile("vcksm %[v1],%[v2],%[v3]" + : [v1] "=v" (v1.v) + : [v2] "v" (v2.v) + , [v3] "v" (v3.v)); + assert(memcmp(&v1, &exp, sizeof(v1)) == 0); + + return EXIT_SUCCESS; +} diff --git a/tests/tcg/s390x/vx.h b/tests/tcg/s390x/vx.h index 02e7fd518a8..00701dbe35f 100644 --- a/tests/tcg/s390x/vx.h +++ b/tests/tcg/s390x/vx.h @@ -1,6 +1,8 @@ #ifndef QEMU_TESTS_S390X_VX_H #define QEMU_TESTS_S390X_VX_H +#include <stdint.h> + typedef union S390Vector { uint64_t d[2]; /* doubleword */ uint32_t w[4]; /* word */
Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/vcksm.c | 31 +++++++++++++++++++++++++++++++ tests/tcg/s390x/vx.h | 2 ++ 3 files changed, 34 insertions(+) create mode 100644 tests/tcg/s390x/vcksm.c