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3 Commits

Author SHA1 Message Date
Tom Tsou 99cf930f9a Transceiver52M: Fix ARM build issues 
Patch f147b174 "sigproc: Make convolution and convert input buffers
immutable" changed the internal conversion interface with the addition
of the const type qualifier. This change was not reflected on ARM builds
which led to build failure. Add const qualifier to resolve build issue.

Signed-off-by: Tom Tsou <tom.tsou@ettus.com>
 2015-11-09 12:06:33 -08:00
Thomas Tsou 0a3dc4c210 Transceiver52M: Add NEON complex-complex multiply 
Complex-complex block multiples are used for phase rotation of
bursts. Optimization targeted from perf profiling.

Signed-off-by: Thomas Tsou <tom@tsou.cc>
 2013-11-15 23:34:59 -05:00
Thomas Tsou 7e4e536b1b Transceiver52M: Add ARM NEON support 
Similar to the existing Intel SSE cases, add support for NEON vector
floating point SIMD processing. In this case, use ARM assembly
directly as the NEON intrinsics do not generate preferential code
output.

Currently support NEON vectorized convolution and floating point
integer conversions.

Signed-off-by: Thomas Tsou <tom@tsou.cc>
 2013-11-15 23:32:35 -05:00