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Copybara import of the project: - #11787

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test_1005175625

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Copybara import of the project:

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c72c3bb by Prajakta Bapat prajaktab@whileone.in:

Use vld1q+vzip activation loads in 4x16c8 I8MM GEMMs

Load each activation row with a full 16-byte load and build the SMMLA
row-pair operands with vzip1q/vzip2q_u64 instead of vld2q_lane_u64.
Enabled via VLD1_ACTIVATIONS for the qs8-qc8w gemm/igemm and
qd8-f16/f32-qc8w gemm 4x16c8 neoni8mm kernels.

Co-authored-by: Rajeev Gadgil gadgilrajeev@gmail.com

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ce33f8d by Rajeev Gadgil gadgilrajeev@gmail.com:

Drop unused vld2 activation registers in VLD1_ACTIVATIONS GEMMs

Fixes -Werror=unused-but-set-variable with GCC.

FUTURE_COPYBARA_INTEGRATE_REVIEW=#11779 from Whileone-Techsoft:i8mm-vld1-activation-loads-upstream ce33f8d

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c72c3bb by Prajakta Bapat <prajaktab@whileone.in>:

Use vld1q+vzip activation loads in 4x16c8 I8MM GEMMs

Load each activation row with a full 16-byte load and build the SMMLA
row-pair operands with vzip1q/vzip2q_u64 instead of vld2q_lane_u64.
Enabled via VLD1_ACTIVATIONS for the qs8-qc8w gemm/igemm and
qd8-f16/f32-qc8w gemm 4x16c8 neoni8mm kernels.

Co-authored-by: Rajeev Gadgil <gadgilrajeev@gmail.com>

--
ce33f8d by Rajeev Gadgil <gadgilrajeev@gmail.com>:

Drop unused vld2 activation registers in VLD1_ACTIVATIONS GEMMs

Fixes -Werror=unused-but-set-variable with GCC.

FUTURE_COPYBARA_INTEGRATE_REVIEW=#11779 from Whileone-Techsoft:i8mm-vld1-activation-loads-upstream ce33f8d
PiperOrigin-RevId: 1005175625
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