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/* Test program for SSE registers.
Copyright 2004, 2007 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 <stdio.h>
#include "i386-cpuid.h"
typedef struct {
float f[4];
} v4sf_t;
v4sf_t data[8] =
{
{ { 0.0, 0.25, 0.50, 0.75 } },
{ { 1.0, 1.25, 1.50, 1.75 } },
{ { 2.0, 2.25, 2.50, 2.75 } },
{ { 3.0, 3.25, 3.50, 3.75 } },
{ { 4.0, 4.25, 4.50, 4.75 } },
{ { 5.0, 5.25, 5.50, 5.75 } },
{ { 6.0, 6.25, 6.50, 6.75 } },
{ { 7.0, 7.25, 7.50, 7.75 } },
};
int
have_sse (void)
{
int edx = i386_cpuid ();
if (edx & bit_SSE)
return 1;
else
return 0;
}
int
main (int argc, char **argv)
{
if (have_sse ())
{
asm ("movaps 0(%0), %%xmm0\n\t"
"movaps 16(%0), %%xmm1\n\t"
"movaps 32(%0), %%xmm2\n\t"
"movaps 48(%0), %%xmm3\n\t"
"movaps 64(%0), %%xmm4\n\t"
"movaps 80(%0), %%xmm5\n\t"
"movaps 96(%0), %%xmm6\n\t"
"movaps 112(%0), %%xmm7\n\t"
: /* no output operands */
: "r" (data)
: "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7");
puts ("Hi!"); /* first breakpoint here */
asm (
"movaps %%xmm0, 0(%0)\n\t"
"movaps %%xmm1, 16(%0)\n\t"
"movaps %%xmm2, 32(%0)\n\t"
"movaps %%xmm3, 48(%0)\n\t"
"movaps %%xmm4, 64(%0)\n\t"
"movaps %%xmm5, 80(%0)\n\t"
"movaps %%xmm6, 96(%0)\n\t"
"movaps %%xmm7, 112(%0)\n\t"
: /* no output operands */
: "r" (data)
: "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7");
puts ("Bye!"); /* second breakpoint here */
}
return 0;
}
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