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tests/tcg/s390x: Tests for Vector Enhancements Facility 2
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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>
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@dmiller423 @huth
dmiller423 authored and huth committed May 4, 2022
1 parent 4f9b6c7 commit bc556c6
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8 changes: 8 additions & 0 deletions tests/tcg/s390x/Makefile.target
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Expand Up @@ -17,6 +17,14 @@ TESTS+=trap
TESTS+=signals-s390x
TESTS+=branch-relative-long

VECTOR_TESTS=vxeh2_vs
VECTOR_TESTS+=vxeh2_vcvt
VECTOR_TESTS+=vxeh2_vlstr
$(VECTOR_TESTS): CFLAGS+=-march=z15 -O2

TESTS+=$(if $(shell $(CC) -march=z15 -S -o /dev/null -xc /dev/null \
>/dev/null 2>&1 && echo OK),$(VECTOR_TESTS))

ifneq ($(HAVE_GDB_BIN),)
GDB_SCRIPT=$(SRC_PATH)/tests/guest-debug/run-test.py

Expand Down
19 changes: 19 additions & 0 deletions tests/tcg/s390x/vx.h
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@@ -0,0 +1,19 @@
#ifndef QEMU_TESTS_S390X_VX_H
#define QEMU_TESTS_S390X_VX_H

typedef union S390Vector {
uint64_t d[2]; /* doubleword */
uint32_t w[4]; /* word */
uint16_t h[8]; /* halfword */
uint8_t b[16]; /* byte */
float f[4]; /* float32 */
double fd[2]; /* float64 */
__uint128_t v;
} S390Vector;

#define ES8 0
#define ES16 1
#define ES32 2
#define ES64 3

#endif /* QEMU_TESTS_S390X_VX_H */
88 changes: 88 additions & 0 deletions tests/tcg/s390x/vxeh2_vcvt.c
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@@ -0,0 +1,88 @@
/*
* vxeh2_vcvt: vector-enhancements facility 2 vector convert *
*/
#include <stdint.h>
#include "vx.h"

#define M_S 8
#define M4_XxC 4
#define M4_def M4_XxC

static inline void vcfps(S390Vector *v1, S390Vector *v2,
const uint8_t m3, const uint8_t m4, const uint8_t m5)
{
asm volatile("vcfps %[v1], %[v2], %[m3], %[m4], %[m5]\n"
: [v1] "=v" (v1->v)
: [v2] "v" (v2->v)
, [m3] "i" (m3)
, [m4] "i" (m4)
, [m5] "i" (m5));
}

static inline void vcfpl(S390Vector *v1, S390Vector *v2,
const uint8_t m3, const uint8_t m4, const uint8_t m5)
{
asm volatile("vcfpl %[v1], %[v2], %[m3], %[m4], %[m5]\n"
: [v1] "=v" (v1->v)
: [v2] "v" (v2->v)
, [m3] "i" (m3)
, [m4] "i" (m4)
, [m5] "i" (m5));
}

static inline void vcsfp(S390Vector *v1, S390Vector *v2,
const uint8_t m3, const uint8_t m4, const uint8_t m5)
{
asm volatile("vcsfp %[v1], %[v2], %[m3], %[m4], %[m5]\n"
: [v1] "=v" (v1->v)
: [v2] "v" (v2->v)
, [m3] "i" (m3)
, [m4] "i" (m4)
, [m5] "i" (m5));
}

static inline void vclfp(S390Vector *v1, S390Vector *v2,
const uint8_t m3, const uint8_t m4, const uint8_t m5)
{
asm volatile("vclfp %[v1], %[v2], %[m3], %[m4], %[m5]\n"
: [v1] "=v" (v1->v)
: [v2] "v" (v2->v)
, [m3] "i" (m3)
, [m4] "i" (m4)
, [m5] "i" (m5));
}

int main(int argc, char *argv[])
{
S390Vector vd;
S390Vector vs_i32 = { .w[0] = 1, .w[1] = 64, .w[2] = 1024, .w[3] = -10 };
S390Vector vs_u32 = { .w[0] = 2, .w[1] = 32, .w[2] = 4096, .w[3] = 8888 };
S390Vector vs_f32 = { .f[0] = 3.987, .f[1] = 5.123,
.f[2] = 4.499, .f[3] = 0.512 };

vd.d[0] = vd.d[1] = 0;
vcfps(&vd, &vs_i32, 2, M4_def, 0);
if (1 != vd.f[0] || 1024 != vd.f[2] || 64 != vd.f[1] || -10 != vd.f[3]) {
return 1;
}

vd.d[0] = vd.d[1] = 0;
vcfpl(&vd, &vs_u32, 2, M4_def, 0);
if (2 != vd.f[0] || 4096 != vd.f[2] || 32 != vd.f[1] || 8888 != vd.f[3]) {
return 1;
}

vd.d[0] = vd.d[1] = 0;
vcsfp(&vd, &vs_f32, 2, M4_def, 0);
if (4 != vd.w[0] || 4 != vd.w[2] || 5 != vd.w[1] || 1 != vd.w[3]) {
return 1;
}

vd.d[0] = vd.d[1] = 0;
vclfp(&vd, &vs_f32, 2, M4_def, 0);
if (4 != vd.w[0] || 4 != vd.w[2] || 5 != vd.w[1] || 1 != vd.w[3]) {
return 1;
}

return 0;
}
139 changes: 139 additions & 0 deletions tests/tcg/s390x/vxeh2_vlstr.c
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@@ -0,0 +1,139 @@
/*
* vxeh2_vlstr: vector-enhancements facility 2 vector load/store reversed *
*/
#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 vler(S390Vector *v1, const void *va, uint8_t m3)
{
asm volatile("vler %[v1], 0(%[va]), %[m3]\n"
: [v1] "+v" (v1->v)
: [va] "a" (va)
, [m3] "i" (m3)
: "memory");
}

static inline void vster(S390Vector *v1, const void *va, uint8_t m3)
{
asm volatile("vster %[v1], 0(%[va]), %[m3]\n"
: [va] "+a" (va)
: [v1] "v" (v1->v)
, [m3] "i" (m3)
: "memory");
}

static inline void vlbr(S390Vector *v1, void *va, const uint8_t m3)
{
asm volatile("vlbr %[v1], 0(%[va]), %[m3]\n"
: [v1] "+v" (v1->v)
: [va] "a" (va)
, [m3] "i" (m3)
: "memory");
}

static inline void vstbr(S390Vector *v1, void *va, const uint8_t m3)
{
asm volatile("vstbr %[v1], 0(%[va]), %[m3]\n"
: [va] "+a" (va)
: [v1] "v" (v1->v)
, [m3] "i" (m3)
: "memory");
}


static inline void vlebrh(S390Vector *v1, void *va, const uint8_t m3)
{
asm volatile("vlebrh %[v1], 0(%[va]), %[m3]\n"
: [v1] "+v" (v1->v)
: [va] "a" (va)
, [m3] "i" (m3)
: "memory");
}

static inline void vstebrh(S390Vector *v1, void *va, const uint8_t m3)
{
asm volatile("vstebrh %[v1], 0(%[va]), %[m3]\n"
: [va] "+a" (va)
: [v1] "v" (v1->v)
, [m3] "i" (m3)
: "memory");
}

static inline void vllebrz(S390Vector *v1, void *va, const uint8_t m3)
{
asm volatile("vllebrz %[v1], 0(%[va]), %[m3]\n"
: [v1] "+v" (v1->v)
: [va] "a" (va)
, [m3] "i" (m3)
: "memory");
}

static inline void vlbrrep(S390Vector *v1, void *va, const uint8_t m3)
{
asm volatile("vlbrrep %[v1], 0(%[va]), %[m3]\n"
: [v1] "+v" (v1->v)
: [va] "a" (va)
, [m3] "i" (m3)
: "memory");
}

int main(int argc, char *argv[])
{
S390Vector vd = { .d[0] = 0, .d[1] = 0 };
S390Vector vs = { .d[0] = 0x8FEEDDCCBBAA9988ull,
.d[1] = 0x7766554433221107ull };

const S390Vector vt_v_er16 = {
.h[0] = 0x1107, .h[1] = 0x3322, .h[2] = 0x5544, .h[3] = 0x7766,
.h[4] = 0x9988, .h[5] = 0xBBAA, .h[6] = 0xDDCC, .h[7] = 0x8FEE };

const S390Vector vt_v_br16 = {
.h[0] = 0xEE8F, .h[1] = 0xCCDD, .h[2] = 0xAABB, .h[3] = 0x8899,
.h[4] = 0x6677, .h[5] = 0x4455, .h[6] = 0x2233, .h[7] = 0x0711 };

int ix;
uint64_t ss64 = 0xFEEDFACE0BADBEEFull, sd64 = 0;

vler(&vd, &vs, ES16);
vtst(vd, vt_v_er16);

vster(&vs, &vd, ES16);
vtst(vd, vt_v_er16);

vlbr(&vd, &vs, ES16);
vtst(vd, vt_v_br16);

vstbr(&vs, &vd, ES16);
vtst(vd, vt_v_br16);

vlebrh(&vd, &ss64, 5);
if (0xEDFE != vd.h[5]) {
return 1;
}

vstebrh(&vs, (uint8_t *)&sd64 + 4, 7);
if (0x0000000007110000ull != sd64) {
return 1;
}

vllebrz(&vd, (uint8_t *)&ss64 + 3, 2);
for (ix = 0; ix < 4; ix++) {
if (vd.w[ix] != (ix != 1 ? 0 : 0xBEAD0BCE)) {
return 1;
}
}

vlbrrep(&vd, (uint8_t *)&ss64 + 4, 1);
for (ix = 0; ix < 8; ix++) {
if (0xAD0B != vd.h[ix]) {
return 1;
}
}

return 0;
}
93 changes: 93 additions & 0 deletions tests/tcg/s390x/vxeh2_vs.c
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@@ -0,0 +1,93 @@
/*
* 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;
}

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