Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5

1 files changed, 97 insertions, 0 deletions

diff --git a/libFDK/include/arm/fixmadd_arm.h b/libFDK/include/arm/fixmadd_arm.h
new file mode 100644
index 0000000..15308f7
--- /dev/null
+++ b/libFDK/include/arm/fixmadd_arm.h
@@ -0,0 +1,97 @@
+/***************************  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__) && !defined(__SYMBIAN32__)	/* cppp replaced: elif */
+  /* ############################################################################# */
+    /* ARM GNU GCC */
+
+    #define FUNCTION_fixmadddiv2_DD
+
+    #ifdef __ARM_ARCH_6__
+      inline FIXP_DBL fixmadddiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) {
+        INT result;
+        asm  ("smmla %0, %1, %2, %3;\n"
+              : "=r" (result)
+              : "r" (a), "r" (b), "r"(x) );
+        return result ;
+      }
+      #define FUNCTION_fixmsubdiv2_DD
+      inline FIXP_DBL fixmsubdiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) {
+        INT result;
+        asm  ("smmls %0, %1, %2, %3;\n"
+              : "=r" (result)
+              : "r" (a), "r" (b), "r"(x) );
+        return result ;
+      }
+    #else /* __ARM_ARCH_6__ */
+      inline FIXP_DBL fixmadddiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) {
+        INT discard, result = x;
+        asm  ("smlal %0, %1, %2, %3;\n"
+              : "=r" (discard), "+r" (result)
+              : "r" (a), "r" (b) );
+        return result ;
+      }
+    #endif /* __ARM_ARCH_6__ */
+
+    #if defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_6__)
+
+      #define FUNCTION_fixmadddiv2_DS
+
+      inline FIXP_DBL fixmadddiv2_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
+        INT result;
+        asm("smlawb %0, %1, %2, %3 "
+              : "=r" (result)
+              : "r" (a), "r" (b), "r" (x) );
+        return result ;
+      }
+
+    #endif /* defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_6__) */
+
+    #define FUNCTION_fixmadddiv2BitExact_DD
+    #define fixmadddiv2BitExact_DD(a, b, c) fixmadddiv2_DD(a, b, c)
+
+    #define FUNCTION_fixmsubdiv2BitExact_DD
+    inline FIXP_DBL fixmsubdiv2BitExact_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) {
+      return x - fixmuldiv2BitExact_DD(a, b);
+    }
+
+    #define FUNCTION_fixmadddiv2BitExact_DS
+    #define fixmadddiv2BitExact_DS(a, b, c) fixmadddiv2_DS(a, b, c)
+
+    #define FUNCTION_fixmsubdiv2BitExact_DS
+    inline FIXP_DBL fixmsubdiv2BitExact_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) {
+      return x - fixmuldiv2BitExact_DS(a, b);
+    }
+  /* ############################################################################# */
+  #endif /* toolchain */
+  /* ############################################################################# */
+
+#endif /* __arm__ */
+