summaryrefslogtreecommitdiffstats
path: root/src/libs/engine/util.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/libs/engine/util.hpp')
-rw-r--r--src/libs/engine/util.hpp78
1 files changed, 0 insertions, 78 deletions
diff --git a/src/libs/engine/util.hpp b/src/libs/engine/util.hpp
deleted file mode 100644
index 8f97beb3..00000000
--- a/src/libs/engine/util.hpp
+++ /dev/null
@@ -1,78 +0,0 @@
-/* This file is part of Ingen.
- * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
- *
- * Ingen 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 2 of the License, or (at your option) any later
- * version.
- *
- * Ingen 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 details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef UTIL_HPP
-#define UTIL_HPP
-
-#include CONFIG_H_PATH
-#include <iostream>
-#include <cstdlib>
-
-#include <fenv.h>
-#ifdef __SSE__
-#include <xmmintrin.h>
-#endif
-
-#ifdef USE_ASSEMBLY
-# if SIZEOF_VOID_P==8
-# define cpuid(a,b,c,d,n) asm("xchgq %%rbx, %1; cpuid; xchgq %%rbx, %1": "=a" (a), "=r" (b), "=c" (c), "=d" (d) : "a" (n));
-# else
-# define cpuid(a,b,c,d,n) asm("xchgl %%ebx, %1; cpuid; xchgl %%ebx, %1": "=a" (a), "=r" (b), "=c" (c), "=d" (d) : "a" (n));
-# endif
-#endif
-
-namespace Ingen {
-
-/** Set flags to disable denormal processing.
- */
-inline void
-set_denormal_flags()
-{
-#ifdef USE_ASSEMBLY
-#ifdef __SSE__
- unsigned long a, b, c, d0, d1;
- int stepping, model, family, extfamily;
-
- cpuid(a,b,c,d1,1);
- if (d1 & 1<<25) { /* It has SSE support */
- _MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON);
- family = (a >> 8) & 0xf;
- extfamily = (a >> 20) & 0xff;
- model = (a >> 4) & 0xf;
- stepping = a & 0xf;
- cpuid(a,b,c,d0,0);
- if (b == 0x756e6547) { /* It's an Intel */
- if (family == 15 && extfamily == 0 && model == 0 && stepping < 7) {
- return;
- }
- }
- if (d1 & 1<<26) { /* bit 26, SSE2 support */
- _mm_setcsr(_mm_getcsr() | 0x8040); // set DAZ and FZ bits of MXCSR
- //cerr << "Set SSE denormal fix flag." << endl;
- }
- } else {
- std::cerr << "This code has been built with SSE support, but your processor does"
- << " not support the SSE instruction set." << std::endl << "Exiting." << std::endl;
- exit(EXIT_FAILURE);
- }
-#endif
-#endif
-}
-
-} // namespace Ingen
-
-#endif // UTIL_HPP