Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5

1 files changed, 59 insertions, 0 deletions

diff --git a/libFDK/include/arm/clz_arm.h b/libFDK/include/arm/clz_arm.h
new file mode 100644
index 0000000..d3c3e04
--- /dev/null
+++ b/libFDK/include/arm/clz_arm.h
@@ -0,0 +1,59 @@
+/***************************  Fraunhofer IIS FDK Tools  **********************
+
+                        (C) Copyright Fraunhofer IIS (2006)
+                               All Rights Reserved
+
+    Please be advised that this software and/or program delivery is
+    Confidential Information of Fraunhofer and subject to and covered by the
+
+    Fraunhofer IIS Software Evaluation Agreement
+    between Google Inc. and  Fraunhofer
+    effective and in full force since March 1, 2012.
+
+    You may use this software and/or program only under the terms and
+    conditions described in the above mentioned Fraunhofer IIS Software
+    Evaluation Agreement. Any other and/or further use requires a separate agreement.
+
+
+   $Id$
+   Author(s):
+   Description: fixed point intrinsics
+
+   This software and/or program is protected by copyright law and international
+   treaties. Any reproduction or distribution of this software and/or program,
+   or any portion of it, may result in severe civil and criminal penalties, and
+   will be prosecuted to the maximum extent possible under law.
+
+******************************************************************************/
+#if defined(__arm__)
+
+#if defined(__GNUC__) && defined(__ARM_ARCH_5TE__)	/* cppp replaced: elif */
+  /* ARM gcc*/
+
+  #define FUNCTION_fixnormz_D
+  #define FUNCTION_fixnorm_D
+
+  inline INT fixnormz_D(LONG value)
+  {
+    INT result;
+    asm("clz %0, %1 ": "=r"(result) : "r"(value) );
+    return result;
+  }
+
+  inline INT fixnorm_D(LONG value)
+  {
+    INT result;
+    if (value < 0) {
+      value = ~value;
+    }
+    if (value == 0) {
+      return 0;
+    }
+    result =  fixnormz_D(value);
+    return result - 1;
+  }
+
+#endif /* arm toolchain */
+
+#endif /* __arm__ */
+