зеркало из https://github.com/mozilla/gecko-dev.git
94 строки
3.0 KiB
C++
94 строки
3.0 KiB
C++
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/* vim: set shiftwidth=4 tabstop=8 autoindent cindent expandtab: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is SSE.cpp
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*
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* The Initial Developer of the Original Code is the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* L. David Baron <dbaron@dbaron.org>, Mozilla Corporation (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* compile-time and runtime tests for whether to use SSE instructions */
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#include "SSE.h"
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namespace mozilla {
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namespace sse_private {
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#if defined(MOZILLA_SSE_HAVE_CPUID_DETECTION)
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#if !defined(MOZILLA_PRESUME_MMX)
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bool mmx_enabled
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= sse_private::has_cpuid_bit(1u, sse_private::edx, (1u<<23));
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#endif
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#if !defined(MOZILLA_PRESUME_SSE)
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bool sse_enabled
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= sse_private::has_cpuid_bit(1u, sse_private::edx, (1u<<25));
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#endif
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#if !defined(MOZILLA_PRESUME_SSE2)
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bool sse2_enabled
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= sse_private::has_cpuid_bit(1u, sse_private::edx, (1u<<26));
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#endif
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#if !defined(MOZILLA_PRESUME_SSE3)
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bool sse3_enabled
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= sse_private::has_cpuid_bit(1u, sse_private::ecx, (1u<<0));
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#endif
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#if !defined(MOZILLA_PRESUME_SSSE3)
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bool ssse3_enabled
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= sse_private::has_cpuid_bit(1u, sse_private::ecx, (1u<<9));
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#endif
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#if !defined(MOZILLA_PRESUME_SSE4A)
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bool sse4a_enabled
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= sse_private::has_cpuid_bit(0x80000001u, sse_private::ecx, (1u<<6));
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#endif
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#if !defined(MOZILLA_PRESUME_SSE4_1)
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bool sse4_1_enabled
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= sse_private::has_cpuid_bit(1u, sse_private::ecx, (1u<<19));
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#endif
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#if !defined(MOZILLA_PRESUME_SSE4_2)
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bool sse4_2_enabled
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= sse_private::has_cpuid_bit(1u, sse_private::ecx, (1u<<20));
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#endif
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#endif
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}
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}
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