qemu/tests/tcg/s390x/vxeh2_vs.c
David Miller bc556c6686 tests/tcg/s390x: Tests for Vector Enhancements Facility 2
Signed-off-by: David Miller <dmiller423@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220428094708.84835-14-david@redhat.com>
[thuth: Only add test if -march=z15 is supported. Fix constraints for Clang]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-05-04 08:47:19 +02:00

94 lines
2.7 KiB
C

/*
* vxeh2_vs: vector-enhancements facility 2 vector shift
*/
#include <stdint.h>
#include "vx.h"
#define vtst(v1, v2) \
if (v1.d[0] != v2.d[0] || v1.d[1] != v2.d[1]) { \
return 1; \
}
static inline void vsl(S390Vector *v1, S390Vector *v2, S390Vector *v3)
{
asm volatile("vsl %[v1], %[v2], %[v3]\n"
: [v1] "=v" (v1->v)
: [v2] "v" (v2->v)
, [v3] "v" (v3->v));
}
static inline void vsra(S390Vector *v1, S390Vector *v2, S390Vector *v3)
{
asm volatile("vsra %[v1], %[v2], %[v3]\n"
: [v1] "=v" (v1->v)
: [v2] "v" (v2->v)
, [v3] "v" (v3->v));
}
static inline void vsrl(S390Vector *v1, S390Vector *v2, S390Vector *v3)
{
asm volatile("vsrl %[v1], %[v2], %[v3]\n"
: [v1] "=v" (v1->v)
: [v2] "v" (v2->v)
, [v3] "v" (v3->v));
}
static inline void vsld(S390Vector *v1, S390Vector *v2,
S390Vector *v3, const uint8_t I)
{
asm volatile("vsld %[v1], %[v2], %[v3], %[I]\n"
: [v1] "=v" (v1->v)
: [v2] "v" (v2->v)
, [v3] "v" (v3->v)
, [I] "i" (I & 7));
}
static inline void vsrd(S390Vector *v1, S390Vector *v2,
S390Vector *v3, const uint8_t I)
{
asm volatile("vsrd %[v1], %[v2], %[v3], %[I]\n"
: [v1] "=v" (v1->v)
: [v2] "v" (v2->v)
, [v3] "v" (v3->v)
, [I] "i" (I & 7));
}
int main(int argc, char *argv[])
{
const S390Vector vt_vsl = { .d[0] = 0x7FEDBB32D5AA311Dull,
.d[1] = 0xBB65AA10912220C0ull };
const S390Vector vt_vsra = { .d[0] = 0xF1FE6E7399AA5466ull,
.d[1] = 0x0E762A5188221044ull };
const S390Vector vt_vsrl = { .d[0] = 0x11FE6E7399AA5466ull,
.d[1] = 0x0E762A5188221044ull };
const S390Vector vt_vsld = { .d[0] = 0x7F76EE65DD54CC43ull,
.d[1] = 0xBB32AA2199108838ull };
const S390Vector vt_vsrd = { .d[0] = 0x0E060802040E000Aull,
.d[1] = 0x0C060802040E000Aull };
S390Vector vs = { .d[0] = 0x8FEEDDCCBBAA9988ull,
.d[1] = 0x7766554433221107ull };
S390Vector vd = { .d[0] = 0, .d[1] = 0 };
S390Vector vsi = { .d[0] = 0, .d[1] = 0 };
for (int ix = 0; ix < 16; ix++) {
vsi.b[ix] = (1 + (5 ^ ~ix)) & 7;
}
vsl(&vd, &vs, &vsi);
vtst(vd, vt_vsl);
vsra(&vd, &vs, &vsi);
vtst(vd, vt_vsra);
vsrl(&vd, &vs, &vsi);
vtst(vd, vt_vsrl);
vsld(&vd, &vs, &vsi, 3);
vtst(vd, vt_vsld);
vsrd(&vd, &vs, &vsi, 15);
vtst(vd, vt_vsrd);
return 0;
}