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83ecb59f JB |
1 | /* Test program for SSE registers. |
2 | ||
0fb0cc75 | 3 | Copyright 2004, 2007, 2008, 2009 Free Software Foundation, Inc. |
83ecb59f JB |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
83ecb59f | 10 | (at your option) any later version. |
a9762ec7 | 11 | |
83ecb59f JB |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
a9762ec7 | 16 | |
83ecb59f | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
83ecb59f JB |
19 | |
20 | #include <stdio.h> | |
21 | #include "i386-cpuid.h" | |
22 | ||
23 | typedef struct { | |
24 | float f[4]; | |
25 | } v4sf_t; | |
26 | ||
27 | ||
28 | v4sf_t data[8] = | |
29 | { | |
30 | { { 0.0, 0.25, 0.50, 0.75 } }, | |
31 | { { 1.0, 1.25, 1.50, 1.75 } }, | |
32 | { { 2.0, 2.25, 2.50, 2.75 } }, | |
33 | { { 3.0, 3.25, 3.50, 3.75 } }, | |
34 | { { 4.0, 4.25, 4.50, 4.75 } }, | |
35 | { { 5.0, 5.25, 5.50, 5.75 } }, | |
36 | { { 6.0, 6.25, 6.50, 6.75 } }, | |
37 | { { 7.0, 7.25, 7.50, 7.75 } }, | |
38 | }; | |
39 | ||
40 | ||
41 | int | |
42 | have_sse (void) | |
43 | { | |
44 | int edx = i386_cpuid (); | |
45 | ||
46 | if (edx & bit_SSE) | |
47 | return 1; | |
48 | else | |
49 | return 0; | |
50 | } | |
51 | ||
52 | int | |
53 | main (int argc, char **argv) | |
54 | { | |
55 | if (have_sse ()) | |
56 | { | |
57 | asm ("movaps 0(%0), %%xmm0\n\t" | |
58 | "movaps 16(%0), %%xmm1\n\t" | |
59 | "movaps 32(%0), %%xmm2\n\t" | |
60 | "movaps 48(%0), %%xmm3\n\t" | |
61 | "movaps 64(%0), %%xmm4\n\t" | |
62 | "movaps 80(%0), %%xmm5\n\t" | |
63 | "movaps 96(%0), %%xmm6\n\t" | |
64 | "movaps 112(%0), %%xmm7\n\t" | |
65 | : /* no output operands */ | |
66 | : "r" (data) | |
67 | : "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"); | |
68 | ||
69 | puts ("Hi!"); /* first breakpoint here */ | |
70 | ||
71 | asm ( | |
72 | "movaps %%xmm0, 0(%0)\n\t" | |
73 | "movaps %%xmm1, 16(%0)\n\t" | |
74 | "movaps %%xmm2, 32(%0)\n\t" | |
75 | "movaps %%xmm3, 48(%0)\n\t" | |
76 | "movaps %%xmm4, 64(%0)\n\t" | |
77 | "movaps %%xmm5, 80(%0)\n\t" | |
78 | "movaps %%xmm6, 96(%0)\n\t" | |
79 | "movaps %%xmm7, 112(%0)\n\t" | |
80 | : /* no output operands */ | |
81 | : "r" (data) | |
82 | : "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"); | |
83 | ||
84 | puts ("Bye!"); /* second breakpoint here */ | |
85 | } | |
86 | ||
87 | return 0; | |
88 | } |