diff options
author | Jonathan Lennox <jonathan@vidyo.com> | 2015-11-21 07:03:58 +0300 |
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committer | Timothy B. Terriberry <tterribe@xiph.org> | 2016-07-07 01:00:02 +0300 |
commit | 512f17a2526e307ece4651dc4c682c0f044666b3 (patch) | |
tree | 585fb920c6e84ba1a978648be0b6ffcfeccfe345 /silk/arm | |
parent | 879736037b9742c9e38d0814fdc3ef836fd90b71 (diff) |
Add Aarch64 intrinsics for saturated add/subtract.
Signed-off-by: Timothy B. Terriberry <tterribe@xiph.org>
Diffstat (limited to 'silk/arm')
-rw-r--r-- | silk/arm/macros_arm64.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/silk/arm/macros_arm64.h b/silk/arm/macros_arm64.h new file mode 100644 index 00000000..ed030413 --- /dev/null +++ b/silk/arm/macros_arm64.h @@ -0,0 +1,39 @@ +/*********************************************************************** +Copyright (C) 2015 Vidyo +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +- Redistributions of source code must retain the above copyright notice, +this list of conditions and the following disclaimer. +- Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in the +documentation and/or other materials provided with the distribution. +- Neither the name of Internet Society, IETF or IETF Trust, nor the +names of specific contributors, may be used to endorse or promote +products derived from this software without specific prior written +permission. +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. +***********************************************************************/ + +#ifndef SILK_MACROS_ARM64_H +#define SILK_MACROS_ARM64_H + +#include <arm_neon.h> + +#undef silk_ADD_SAT32 +#define silk_ADD_SAT32(a, b) (vqadds_s32((a), (b))) + +#undef silk_SUB_SAT32 +#define silk_SUB_SAT32(a, b) (vqsubs_s32((a), (b))) + +#endif /* SILK_MACROS_ARM64_H */ |