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/* Test program for AVX 512 registers.
Copyright 2014-2021 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "x86-cpuid.h"
typedef struct
{
double f[8];
} v8sd_t;
short k_data[] =
{
0x1211,
0x2221,
0x3231,
0x4241,
0x5251,
0x6261,
0x7271
};
v8sd_t zmm_data[] =
{
{ { 0.0, 0.125, 0.25, 0.375, 0.50, 0.625, 0.75, 0.875 } },
{ { 1.0, 1.125, 1.25, 1.375, 1.50, 1.625, 1.75, 1.875 } },
{ { 2.0, 2.125, 2.25, 2.375, 2.50, 2.625, 2.75, 2.875 } },
{ { 3.0, 3.125, 3.25, 3.375, 3.50, 3.625, 3.75, 3.875 } },
{ { 4.0, 4.125, 4.25, 4.375, 4.50, 4.625, 4.75, 4.875 } },
{ { 5.0, 5.125, 5.25, 5.375, 5.50, 5.625, 5.75, 5.875 } },
{ { 6.0, 6.125, 6.25, 6.375, 6.50, 6.625, 6.75, 6.875 } },
{ { 7.0, 7.125, 7.25, 7.375, 7.50, 7.625, 7.75, 7.875 } },
#ifdef __x86_64__
{ { 8.0, 8.125, 8.25, 8.375, 8.50, 8.625, 8.75, 8.875 } },
{ { 9.0, 9.125, 9.25, 9.375, 9.50, 9.625, 9.75, 9.875 } },
{ { 10.0, 10.125, 10.25, 10.375, 10.50, 10.625, 10.75, 10.875 } },
{ { 11.0, 11.125, 11.25, 11.375, 11.50, 11.625, 11.75, 11.875 } },
{ { 12.0, 12.125, 12.25, 12.375, 12.50, 12.625, 12.75, 12.875 } },
{ { 13.0, 13.125, 13.25, 13.375, 13.50, 13.625, 13.75, 13.875 } },
{ { 14.0, 14.125, 14.25, 14.375, 14.50, 14.625, 14.75, 14.875 } },
{ { 15.0, 15.125, 15.25, 15.375, 15.50, 15.625, 15.75, 15.875 } },
{ { 16.0, 16.125, 16.25, 16.375, 16.50, 16.625, 16.75, 16.875 } },
{ { 17.0, 17.125, 17.25, 17.375, 17.50, 17.625, 17.75, 17.875 } },
{ { 18.0, 18.125, 18.25, 18.375, 18.50, 18.625, 18.75, 18.875 } },
{ { 19.0, 19.125, 19.25, 19.375, 19.50, 19.625, 19.75, 19.875 } },
{ { 20.0, 20.125, 20.25, 20.375, 20.50, 20.625, 20.75, 20.875 } },
{ { 21.0, 21.125, 21.25, 21.375, 21.50, 21.625, 21.75, 21.875 } },
{ { 22.0, 22.125, 22.25, 22.375, 22.50, 22.625, 22.75, 22.875 } },
{ { 23.0, 23.125, 23.25, 23.375, 23.50, 23.625, 23.75, 23.875 } },
{ { 24.0, 24.125, 24.25, 24.375, 24.50, 24.625, 24.75, 24.875 } },
{ { 25.0, 25.125, 25.25, 25.375, 25.50, 25.625, 25.75, 25.875 } },
{ { 26.0, 26.125, 26.25, 26.375, 26.50, 26.625, 26.75, 26.875 } },
{ { 27.0, 27.125, 27.25, 27.375, 27.50, 27.625, 27.75, 27.875 } },
{ { 28.0, 28.125, 28.25, 28.375, 28.50, 28.625, 28.75, 28.875 } },
{ { 29.0, 29.125, 29.25, 29.375, 29.50, 29.625, 29.75, 29.875 } },
{ { 30.0, 30.125, 30.25, 30.375, 30.50, 30.625, 30.75, 30.875 } },
{ { 31.0, 31.125, 31.25, 31.375, 31.50, 31.625, 31.75, 31.875 } },
{ { 32.0, 32.125, 32.25, 32.375, 32.50, 32.625, 32.75, 32.875 } },
#endif
};
int
have_avx512 (void)
{
unsigned int eax, ebx, ecx, edx, max_level, vendor, has_osxsave, has_avx512f;
max_level = __get_cpuid_max (0, &vendor);
__cpuid (1, eax, ebx, ecx, edx);
has_osxsave = ecx & bit_OSXSAVE;
if (max_level >= 7)
{
__cpuid_count (7, 0, eax, ebx, ecx, edx);
has_avx512f = ebx & bit_AVX512F;
}
if (has_osxsave && has_avx512f)
return 1;
else
return 0;
}
void
move_k_data_to_reg (void)
{
asm ("kmovw 0(%0), %%k1\n\t"
"kmovw 2(%0), %%k2\n\t"
"kmovw 4(%0), %%k3\n\t"
"kmovw 6(%0), %%k4\n\t"
"kmovw 8(%0), %%k5\n\t"
"kmovw 10(%0), %%k6\n\t"
"kmovw 12(%0), %%k7\n\t"
: /* no output operands */
: "r" (k_data));
}
void
move_k_data_to_memory (void)
{
asm ("kmovw %%k1, 0(%0) \n\t"
"kmovw %%k2, 2(%0) \n\t"
"kmovw %%k3, 4(%0) \n\t"
"kmovw %%k4, 6(%0) \n\t"
"kmovw %%k5, 8(%0) \n\t"
"kmovw %%k6, 10(%0) \n\t"
"kmovw %%k7, 12(%0) \n\t"
: /* no output operands */
: "r" (k_data));
}
void
move_zmm_data_to_reg (void)
{
asm ("vmovups 0(%0), %%zmm0 \n\t"
"vmovups 64(%0), %%zmm1 \n\t"
"vmovups 128(%0), %%zmm2 \n\t"
"vmovups 192(%0), %%zmm3 \n\t"
"vmovups 256(%0), %%zmm4 \n\t"
"vmovups 320(%0), %%zmm5 \n\t"
"vmovups 384(%0), %%zmm6 \n\t"
"vmovups 448(%0), %%zmm7 \n\t"
: /* no output operands */
: "r" (zmm_data));
#ifdef __x86_64__
asm ("vmovups 512(%0), %%zmm8 \n\t"
"vmovups 576(%0), %%zmm9 \n\t"
"vmovups 640(%0), %%zmm10 \n\t"
"vmovups 704(%0), %%zmm11 \n\t"
"vmovups 768(%0), %%zmm12 \n\t"
"vmovups 832(%0), %%zmm13 \n\t"
"vmovups 896(%0), %%zmm14 \n\t"
"vmovups 960(%0), %%zmm15 \n\t"
: /* no output operands */
: "r" (zmm_data));
asm ("vmovups 1024(%0), %%zmm16 \n\t"
"vmovups 1088(%0), %%zmm17 \n\t"
"vmovups 1152(%0), %%zmm18 \n\t"
"vmovups 1216(%0), %%zmm19 \n\t"
"vmovups 1280(%0), %%zmm20 \n\t"
"vmovups 1344(%0), %%zmm21 \n\t"
"vmovups 1408(%0), %%zmm22 \n\t"
"vmovups 1472(%0), %%zmm23 \n\t"
"vmovups 1536(%0), %%zmm24 \n\t"
"vmovups 1600(%0), %%zmm25 \n\t"
"vmovups 1664(%0), %%zmm26 \n\t"
"vmovups 1728(%0), %%zmm27 \n\t"
"vmovups 1792(%0), %%zmm28 \n\t"
"vmovups 1856(%0), %%zmm29 \n\t"
"vmovups 1920(%0), %%zmm30 \n\t"
"vmovups 1984(%0), %%zmm31 \n\t"
: /* no output operands */
: "r" (zmm_data));
#endif
}
void
move_zmm_data_to_memory (void)
{
asm ("vmovups %%zmm0, 0(%0)\n\t"
"vmovups %%zmm1, 64(%0)\n\t"
"vmovups %%zmm2, 128(%0)\n\t"
"vmovups %%zmm3, 192(%0)\n\t"
"vmovups %%zmm4, 256(%0)\n\t"
"vmovups %%zmm5, 320(%0)\n\t"
"vmovups %%zmm6, 384(%0)\n\t"
"vmovups %%zmm7, 448(%0)\n\t"
: /* no output operands */
: "r" (zmm_data));
#ifdef __x86_64__
asm ("vmovups %%zmm8, 512(%0)\n\t"
"vmovups %%zmm9, 576(%0)\n\t"
"vmovups %%zmm10, 640(%0)\n\t"
"vmovups %%zmm11, 704(%0)\n\t"
"vmovups %%zmm12, 768(%0)\n\t"
"vmovups %%zmm13, 832(%0)\n\t"
"vmovups %%zmm14, 896(%0)\n\t"
"vmovups %%zmm15, 960(%0)\n\t"
: /* no output operands */
: "r" (zmm_data));
asm ("vmovups %%zmm16, 1024(%0)\n\t"
"vmovups %%zmm17, 1088(%0)\n\t"
"vmovups %%zmm18, 1152(%0)\n\t"
"vmovups %%zmm19, 1216(%0)\n\t"
"vmovups %%zmm20, 1280(%0)\n\t"
"vmovups %%zmm21, 1344(%0)\n\t"
"vmovups %%zmm22, 1408(%0)\n\t"
"vmovups %%zmm23, 1472(%0)\n\t"
"vmovups %%zmm24, 1536(%0)\n\t"
"vmovups %%zmm25, 1600(%0)\n\t"
"vmovups %%zmm26, 1664(%0)\n\t"
"vmovups %%zmm27, 1728(%0)\n\t"
"vmovups %%zmm28, 1792(%0)\n\t"
"vmovups %%zmm29, 1856(%0)\n\t"
"vmovups %%zmm30, 1920(%0)\n\t"
"vmovups %%zmm31, 1984(%0)\n\t"
: /* no output operands */
: "r" (zmm_data));
#endif
}
int
main (int argc, char **argv)
{
if (have_avx512 ())
{
/* Test for K registers. */
move_k_data_to_reg ();
asm ("nop"); /* first breakpoint here */
move_k_data_to_memory ();
asm ("nop"); /* second breakpoint here */
/* Test for ZMM registers. */
/* Move initial values from array to registers and read from ZMM regs. */
move_zmm_data_to_reg ();
asm ("nop"); /* third breakpoint here */
/* Test script incremented values,
move back to array and check values. */
move_zmm_data_to_memory ();
asm ("nop"); /* fourth breakpoint here */
/* Test for YMM registers. */
/* Test script incremented YMM values,
move back to array and check values. */
move_zmm_data_to_memory ();
asm ("nop"); /* fifth breakpoint here */
/* Test for XMM registers. */
/* Test script incremented XMM values,
move back to array and check values. */
move_zmm_data_to_memory ();
asm ("nop"); /* sixth breakpoint here */
asm ("vpternlogd $0xff, %zmm0, %zmm0, %zmm0");
#ifdef __x86_64__
asm ("vpternlogd $0xff, %zmm0, %zmm0, %zmm16");
#endif
asm ("vzeroupper");
asm ("nop"); /* seventh breakpoint here */
}
return 0;
}
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