/* Test program for SSE registers. Copyright 2004, 2007, 2008, 2009, 2010, 2011 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 . */ #include #include "i386-cpuid.h" typedef struct { float f[4]; } v4sf_t; v4sf_t data[] = { { { 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 } }, #ifdef __x86_64__ { { 8.0, 8.25, 8.50, 8.75 } }, { { 9.0, 9.25, 9.50, 9.75 } }, { { 10.0, 10.25, 10.50, 10.75 } }, { { 11.0, 11.25, 11.50, 11.75 } }, { { 12.0, 12.25, 12.50, 12.75 } }, { { 13.0, 13.25, 13.50, 13.75 } }, { { 14.0, 14.25, 14.50, 14.75 } }, { { 15.0, 15.25, 15.50, 15.75 } }, #endif }; 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"); #ifdef __x86_64__ asm ("movaps 128(%0), %%xmm8\n\t" "movaps 144(%0), %%xmm9\n\t" "movaps 160(%0), %%xmm10\n\t" "movaps 176(%0), %%xmm11\n\t" "movaps 192(%0), %%xmm12\n\t" "movaps 208(%0), %%xmm13\n\t" "movaps 224(%0), %%xmm14\n\t" "movaps 240(%0), %%xmm15\n\t" : /* no output operands */ : "r" (data) : "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"); #endif asm ("nop"); /* 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"); #ifdef __x86_64__ asm ( "movaps %%xmm8, 128(%0)\n\t" "movaps %%xmm9, 144(%0)\n\t" "movaps %%xmm10, 160(%0)\n\t" "movaps %%xmm11, 176(%0)\n\t" "movaps %%xmm12, 192(%0)\n\t" "movaps %%xmm13, 208(%0)\n\t" "movaps %%xmm14, 224(%0)\n\t" "movaps %%xmm15, 240(%0)\n\t" : /* no output operands */ : "r" (data) : "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"); #endif puts ("Bye!"); /* second breakpoint here */ } return 0; }