Add Xtensa fully connected kernel registrations - #3730
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unmeshna017 wants to merge 3 commits into
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unmeshna017 wants to merge 3 commits into
unmeshna017 wants to merge 3 commits into
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Optimize the Xtensa fully_connected kernels using the HiFi NNLib with per-channel and Int4 support, and add float32/int16 eval paths (fully_connected_float32.cc, fully_connected_int16.cc). Registers the two new sources in xtensa_makefile.inc. Depends on the 09_03_2026 NNLib release (PR#3703) for the v2 fully_connected/matmul APIs (e.g. xa_nn_fully_connected_v2_asym4sxasym8s_asym8s).
Add the updated fully_connected.h declaration needed by the Xtensa fully connected kernels.
Add HIFI_IQ to the include guard so xa_nnlib_api.h and xa_nnlib_standards.h are pulled in for the hifi_iq build.
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Add HiFi-optimized Xtensa fully connected kernels, including int8, int16, and float32 support paths, shared Xtensa helpers, and the required fully_connected.h registration updates for the Xtensa-specific variants.
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