motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-11 03:24:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

tests/tcg/s390x: Test VCKSM

Browse source 
Add a small test to prevent regressions.

Tested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230724082032.66864-15-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Ilya Leoshkevich 2023-07-24 10:16:07 +02:00 • committed by Thomas Huth
parent e11e2fc6fb
commit 241ab36c0a
3 changed files with 34 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
tests/tcg/s390x/Makefile.target
View file

@ -58,6 +58,7 @@ TESTS += $(PGM_SPECIFICATION_TESTS)
Z13_TESTS=vistr Z13_TESTS=vistr
Z13_TESTS+=lcbb Z13_TESTS+=lcbb
Z13_TESTS+=locfhr Z13_TESTS+=locfhr
Z13_TESTS+=vcksm
$(Z13_TESTS): CFLAGS+=-march=z13 -O2 $(Z13_TESTS): CFLAGS+=-march=z13 -O2
TESTS+=$(Z13_TESTS) TESTS+=$(Z13_TESTS)

31
tests/tcg/s390x/vcksm.c Normal file
View file

@ -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;
}

2
tests/tcg/s390x/vx.h
View file

@ -1,6 +1,8 @@
#ifndef QEMU_TESTS_S390X_VX_H #ifndef QEMU_TESTS_S390X_VX_H
#define QEMU_TESTS_S390X_VX_H #define QEMU_TESTS_S390X_VX_H
#include <stdint.h>
typedef union S390Vector { typedef union S390Vector {
uint64_t d[2]; /* doubleword */ uint64_t d[2]; /* doubleword */
uint32_t w[4]; /* word */ uint32_t w[4]; /* word */