| /* Test program for SSE registers. |
| |
| Copyright 2004, 2007, 2008 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; |
| } |