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256 lines
8.1 KiB
C
256 lines
8.1 KiB
C
/* Test program for AVX 512 registers.
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Copyright 2014-2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "x86-cpuid.h"
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typedef struct
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{
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double f[8];
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} v8sd_t;
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short k_data[] =
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{
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0x1211,
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0x2221,
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0x3231,
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0x4241,
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0x5251,
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0x6261,
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0x7271
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};
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v8sd_t zmm_data[] =
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{
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{ { 0.0, 0.125, 0.25, 0.375, 0.50, 0.625, 0.75, 0.875 } },
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{ { 1.0, 1.125, 1.25, 1.375, 1.50, 1.625, 1.75, 1.875 } },
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{ { 2.0, 2.125, 2.25, 2.375, 2.50, 2.625, 2.75, 2.875 } },
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{ { 3.0, 3.125, 3.25, 3.375, 3.50, 3.625, 3.75, 3.875 } },
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{ { 4.0, 4.125, 4.25, 4.375, 4.50, 4.625, 4.75, 4.875 } },
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{ { 5.0, 5.125, 5.25, 5.375, 5.50, 5.625, 5.75, 5.875 } },
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{ { 6.0, 6.125, 6.25, 6.375, 6.50, 6.625, 6.75, 6.875 } },
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{ { 7.0, 7.125, 7.25, 7.375, 7.50, 7.625, 7.75, 7.875 } },
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#ifdef __x86_64__
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{ { 8.0, 8.125, 8.25, 8.375, 8.50, 8.625, 8.75, 8.875 } },
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{ { 9.0, 9.125, 9.25, 9.375, 9.50, 9.625, 9.75, 9.875 } },
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{ { 10.0, 10.125, 10.25, 10.375, 10.50, 10.625, 10.75, 10.875 } },
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{ { 11.0, 11.125, 11.25, 11.375, 11.50, 11.625, 11.75, 11.875 } },
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{ { 12.0, 12.125, 12.25, 12.375, 12.50, 12.625, 12.75, 12.875 } },
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{ { 13.0, 13.125, 13.25, 13.375, 13.50, 13.625, 13.75, 13.875 } },
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{ { 14.0, 14.125, 14.25, 14.375, 14.50, 14.625, 14.75, 14.875 } },
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{ { 15.0, 15.125, 15.25, 15.375, 15.50, 15.625, 15.75, 15.875 } },
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{ { 16.0, 16.125, 16.25, 16.375, 16.50, 16.625, 16.75, 16.875 } },
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{ { 17.0, 17.125, 17.25, 17.375, 17.50, 17.625, 17.75, 17.875 } },
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{ { 18.0, 18.125, 18.25, 18.375, 18.50, 18.625, 18.75, 18.875 } },
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{ { 19.0, 19.125, 19.25, 19.375, 19.50, 19.625, 19.75, 19.875 } },
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{ { 20.0, 20.125, 20.25, 20.375, 20.50, 20.625, 20.75, 20.875 } },
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{ { 21.0, 21.125, 21.25, 21.375, 21.50, 21.625, 21.75, 21.875 } },
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{ { 22.0, 22.125, 22.25, 22.375, 22.50, 22.625, 22.75, 22.875 } },
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{ { 23.0, 23.125, 23.25, 23.375, 23.50, 23.625, 23.75, 23.875 } },
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{ { 24.0, 24.125, 24.25, 24.375, 24.50, 24.625, 24.75, 24.875 } },
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{ { 25.0, 25.125, 25.25, 25.375, 25.50, 25.625, 25.75, 25.875 } },
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{ { 26.0, 26.125, 26.25, 26.375, 26.50, 26.625, 26.75, 26.875 } },
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{ { 27.0, 27.125, 27.25, 27.375, 27.50, 27.625, 27.75, 27.875 } },
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{ { 28.0, 28.125, 28.25, 28.375, 28.50, 28.625, 28.75, 28.875 } },
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{ { 29.0, 29.125, 29.25, 29.375, 29.50, 29.625, 29.75, 29.875 } },
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{ { 30.0, 30.125, 30.25, 30.375, 30.50, 30.625, 30.75, 30.875 } },
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{ { 31.0, 31.125, 31.25, 31.375, 31.50, 31.625, 31.75, 31.875 } },
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{ { 32.0, 32.125, 32.25, 32.375, 32.50, 32.625, 32.75, 32.875 } },
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#endif
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};
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int
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have_avx512 (void)
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{
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unsigned int eax, ebx, ecx, edx, max_level, vendor, has_osxsave, has_avx512f;
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max_level = __get_cpuid_max (0, &vendor);
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__cpuid (1, eax, ebx, ecx, edx);
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has_osxsave = ecx & bit_OSXSAVE;
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if (max_level >= 7)
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{
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__cpuid_count (7, 0, eax, ebx, ecx, edx);
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has_avx512f = ebx & bit_AVX512F;
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}
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if (has_osxsave && has_avx512f)
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return 1;
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else
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return 0;
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}
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void
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move_k_data_to_reg (void)
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{
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asm ("kmovw 0(%0), %%k1\n\t"
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"kmovw 2(%0), %%k2\n\t"
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"kmovw 4(%0), %%k3\n\t"
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"kmovw 6(%0), %%k4\n\t"
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"kmovw 8(%0), %%k5\n\t"
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"kmovw 10(%0), %%k6\n\t"
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"kmovw 12(%0), %%k7\n\t"
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: /* no output operands */
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: "r" (k_data));
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}
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void
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move_k_data_to_memory (void)
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{
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asm ("kmovw %%k1, 0(%0) \n\t"
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"kmovw %%k2, 2(%0) \n\t"
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"kmovw %%k3, 4(%0) \n\t"
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"kmovw %%k4, 6(%0) \n\t"
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"kmovw %%k5, 8(%0) \n\t"
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"kmovw %%k6, 10(%0) \n\t"
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"kmovw %%k7, 12(%0) \n\t"
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: /* no output operands */
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: "r" (k_data));
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}
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void
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move_zmm_data_to_reg (void)
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{
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asm ("vmovaps 0(%0), %%zmm0\n\t"
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"vmovaps 64(%0), %%zmm1\n\t"
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"vmovaps 128(%0), %%zmm2\n\t"
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"vmovaps 192(%0), %%zmm3\n\t"
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"vmovaps 256(%0), %%zmm4\n\t"
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"vmovaps 320(%0), %%zmm5\n\t"
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"vmovaps 384(%0), %%zmm6\n\t"
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"vmovaps 448(%0), %%zmm7\n\t"
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: /* no output operands */
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: "r" (zmm_data));
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#ifdef __x86_64__
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asm ("vmovaps 512(%0), %%zmm8\n\t"
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"vmovaps 576(%0), %%zmm9\n\t"
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"vmovaps 640(%0), %%zmm10\n\t"
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"vmovaps 704(%0), %%zmm11\n\t"
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"vmovaps 768(%0), %%zmm12\n\t"
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"vmovaps 832(%0), %%zmm13\n\t"
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"vmovaps 896(%0), %%zmm14\n\t"
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"vmovaps 960(%0), %%zmm15\n\t"
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: /* no output operands */
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: "r" (zmm_data));
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asm ("vmovaps 1024(%0), %%zmm16\n\t"
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"vmovaps 1088(%0), %%zmm17\n\t"
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"vmovaps 1152(%0), %%zmm18\n\t"
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"vmovaps 1216(%0), %%zmm19\n\t"
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"vmovaps 1280(%0), %%zmm20\n\t"
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"vmovaps 1344(%0), %%zmm21\n\t"
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"vmovaps 1408(%0), %%zmm22\n\t"
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"vmovaps 1472(%0), %%zmm23\n\t"
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"vmovaps 1536(%0), %%zmm24\n\t"
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"vmovaps 1600(%0), %%zmm25\n\t"
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"vmovaps 1664(%0), %%zmm26\n\t"
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"vmovaps 1728(%0), %%zmm27\n\t"
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"vmovaps 1792(%0), %%zmm28\n\t"
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"vmovaps 1856(%0), %%zmm29\n\t"
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"vmovaps 1920(%0), %%zmm30\n\t"
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"vmovaps 1984(%0), %%zmm31\n\t"
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: /* no output operands */
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: "r" (zmm_data));
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#endif
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}
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void
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move_zmm_data_to_memory (void)
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{
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asm ("vmovaps %%zmm0, 0(%0)\n\t"
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"vmovaps %%zmm1, 64(%0)\n\t"
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"vmovaps %%zmm2, 128(%0)\n\t"
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"vmovaps %%zmm3, 192(%0)\n\t"
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"vmovaps %%zmm4, 256(%0)\n\t"
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"vmovaps %%zmm5, 320(%0)\n\t"
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"vmovaps %%zmm6, 384(%0)\n\t"
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"vmovaps %%zmm7, 448(%0)\n\t"
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: /* no output operands */
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: "r" (zmm_data));
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#ifdef __x86_64__
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asm ("vmovaps %%zmm8, 512(%0)\n\t"
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"vmovaps %%zmm9, 576(%0)\n\t"
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"vmovaps %%zmm10, 640(%0)\n\t"
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"vmovaps %%zmm11, 704(%0)\n\t"
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"vmovaps %%zmm12, 768(%0)\n\t"
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"vmovaps %%zmm13, 832(%0)\n\t"
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"vmovaps %%zmm14, 896(%0)\n\t"
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"vmovaps %%zmm15, 960(%0)\n\t"
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: /* no output operands */
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: "r" (zmm_data));
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asm ("vmovaps %%zmm16, 1024(%0)\n\t"
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"vmovaps %%zmm17, 1088(%0)\n\t"
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"vmovaps %%zmm18, 1152(%0)\n\t"
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"vmovaps %%zmm19, 1216(%0)\n\t"
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"vmovaps %%zmm20, 1280(%0)\n\t"
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"vmovaps %%zmm21, 1344(%0)\n\t"
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"vmovaps %%zmm22, 1408(%0)\n\t"
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"vmovaps %%zmm23, 1472(%0)\n\t"
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"vmovaps %%zmm24, 1536(%0)\n\t"
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"vmovaps %%zmm25, 1600(%0)\n\t"
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"vmovaps %%zmm26, 1664(%0)\n\t"
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"vmovaps %%zmm27, 1728(%0)\n\t"
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"vmovaps %%zmm28, 1792(%0)\n\t"
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"vmovaps %%zmm29, 1856(%0)\n\t"
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"vmovaps %%zmm30, 1920(%0)\n\t"
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"vmovaps %%zmm31, 1984(%0)\n\t"
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: /* no output operands */
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: "r" (zmm_data));
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#endif
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}
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int
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main (int argc, char **argv)
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{
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if (have_avx512 ())
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{
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/* Test for K registers. */
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move_k_data_to_reg ();
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asm ("nop"); /* first breakpoint here */
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move_k_data_to_memory ();
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asm ("nop"); /* second breakpoint here */
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/* Test for ZMM registers. */
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/* Move initial values from array to registers and read from ZMM regs. */
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move_zmm_data_to_reg ();
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asm ("nop"); /* third breakpoint here */
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/* Test script incremented values,
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move back to array and check values. */
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move_zmm_data_to_memory ();
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asm ("nop"); /* fourth breakpoint here */
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/* Test for YMM registers. */
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/* Test script incremented YMM values,
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move back to array and check values. */
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move_zmm_data_to_memory ();
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asm ("nop"); /* fifth breakpoint here */
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/* Test for XMM registers. */
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/* Test script incremented XMM values,
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move back to array and check values. */
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move_zmm_data_to_memory ();
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asm ("nop"); /* sixth breakpoint here */
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}
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return 0;
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}
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