90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* Test program for SSE registers.
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Copyright 2004 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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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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[4];
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} v4sf_t;
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v4sf_t data[8] =
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{
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{ { 0.0, 0.25, 0.50, 0.75 } },
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{ { 1.0, 1.25, 1.50, 1.75 } },
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{ { 2.0, 2.25, 2.50, 2.75 } },
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{ { 3.0, 3.25, 3.50, 3.75 } },
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{ { 4.0, 4.25, 4.50, 4.75 } },
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{ { 5.0, 5.25, 5.50, 5.75 } },
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{ { 6.0, 6.25, 6.50, 6.75 } },
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{ { 7.0, 7.25, 7.50, 7.75 } },
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};
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int
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have_sse (void)
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{
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int edx = i386_cpuid ();
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if (edx & bit_SSE)
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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_sse ())
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{
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asm ("movaps 0(%0), %%xmm0\n\t"
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"movaps 16(%0), %%xmm1\n\t"
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"movaps 32(%0), %%xmm2\n\t"
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"movaps 48(%0), %%xmm3\n\t"
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"movaps 64(%0), %%xmm4\n\t"
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"movaps 80(%0), %%xmm5\n\t"
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"movaps 96(%0), %%xmm6\n\t"
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"movaps 112(%0), %%xmm7\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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puts ("Hi!"); /* first breakpoint here */
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asm (
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"movaps %%xmm0, 0(%0)\n\t"
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"movaps %%xmm1, 16(%0)\n\t"
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"movaps %%xmm2, 32(%0)\n\t"
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"movaps %%xmm3, 48(%0)\n\t"
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"movaps %%xmm4, 64(%0)\n\t"
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"movaps %%xmm5, 80(%0)\n\t"
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"movaps %%xmm6, 96(%0)\n\t"
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"movaps %%xmm7, 112(%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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puts ("Bye!"); /* second breakpoint here */
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}
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return 0;
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}
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