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jeremybenn |
/* Test program for AVX registers.
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Copyright 2010 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 <stdio.h>
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#include "i386-cpuid.h"
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typedef struct {
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float f[8];
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} v8sf_t;
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v8sf_t 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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#endif
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};
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int
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have_avx (void)
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{
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unsigned int eax, ebx, ecx, edx;
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if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
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return 0;
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if ((ecx & (bit_AVX | bit_OSXSAVE)) == (bit_AVX | bit_OSXSAVE))
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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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int
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main (int argc, char **argv)
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{
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if (have_avx ())
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{
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asm ("vmovaps 0(%0), %%ymm0\n\t"
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"vmovaps 32(%0), %%ymm1\n\t"
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"vmovaps 64(%0), %%ymm2\n\t"
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"vmovaps 96(%0), %%ymm3\n\t"
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"vmovaps 128(%0), %%ymm4\n\t"
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"vmovaps 160(%0), %%ymm5\n\t"
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"vmovaps 192(%0), %%ymm6\n\t"
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"vmovaps 224(%0), %%ymm7\n\t"
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: /* no output operands */
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: "r" (data)
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: "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7");
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#ifdef __x86_64__
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asm ("vmovaps 256(%0), %%ymm8\n\t"
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"vmovaps 288(%0), %%ymm9\n\t"
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"vmovaps 320(%0), %%ymm10\n\t"
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"vmovaps 352(%0), %%ymm11\n\t"
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"vmovaps 384(%0), %%ymm12\n\t"
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"vmovaps 416(%0), %%ymm13\n\t"
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"vmovaps 448(%0), %%ymm14\n\t"
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"vmovaps 480(%0), %%ymm15\n\t"
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: /* no output operands */
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: "r" (data)
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: "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15");
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#endif
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asm ("nop"); /* first breakpoint here */
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asm (
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"vmovaps %%ymm0, 0(%0)\n\t"
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"vmovaps %%ymm1, 32(%0)\n\t"
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"vmovaps %%ymm2, 64(%0)\n\t"
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"vmovaps %%ymm3, 96(%0)\n\t"
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"vmovaps %%ymm4, 128(%0)\n\t"
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"vmovaps %%ymm5, 160(%0)\n\t"
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"vmovaps %%ymm6, 192(%0)\n\t"
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"vmovaps %%ymm7, 224(%0)\n\t"
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: /* no output operands */
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: "r" (data)
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: "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7");
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#ifdef __x86_64__
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asm (
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"vmovaps %%ymm8, 256(%0)\n\t"
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"vmovaps %%ymm9, 288(%0)\n\t"
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"vmovaps %%ymm10, 320(%0)\n\t"
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"vmovaps %%ymm11, 352(%0)\n\t"
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"vmovaps %%ymm12, 384(%0)\n\t"
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"vmovaps %%ymm13, 416(%0)\n\t"
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"vmovaps %%ymm14, 448(%0)\n\t"
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"vmovaps %%ymm15, 480(%0)\n\t"
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: /* no output operands */
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: "r" (data)
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: "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15");
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#endif
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puts ("Bye!"); /* second breakpoint here */
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}
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return 0;
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}
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