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60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
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/*************************** Fraunhofer IIS FDK Tools **********************
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(C) Copyright Fraunhofer IIS (2006)
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All Rights Reserved
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Please be advised that this software and/or program delivery is
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Confidential Information of Fraunhofer and subject to and covered by the
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Fraunhofer IIS Software Evaluation Agreement
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between Google Inc. and Fraunhofer
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effective and in full force since March 1, 2012.
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You may use this software and/or program only under the terms and
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conditions described in the above mentioned Fraunhofer IIS Software
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Evaluation Agreement. Any other and/or further use requires a separate agreement.
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$Id$
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Author(s):
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Description: fixed point intrinsics
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This software and/or program is protected by copyright law and international
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treaties. Any reproduction or distribution of this software and/or program,
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or any portion of it, may result in severe civil and criminal penalties, and
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will be prosecuted to the maximum extent possible under law.
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******************************************************************************/
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#if defined(__arm__)
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#if defined(__GNUC__) && defined(__ARM_ARCH_5TE__) /* cppp replaced: elif */
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/* ARM gcc*/
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#define FUNCTION_fixnormz_D
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#define FUNCTION_fixnorm_D
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inline INT fixnormz_D(LONG value)
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{
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INT result;
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asm("clz %0, %1 ": "=r"(result) : "r"(value) );
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return result;
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}
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inline INT fixnorm_D(LONG value)
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{
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INT result;
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if (value < 0) {
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value = ~value;
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}
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if (value == 0) {
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return 0;
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}
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result = fixnormz_D(value);
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return result - 1;
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}
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#endif /* arm toolchain */
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#endif /* __arm__ */
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