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Hugo Meiland 5d7868f487 U74 target: move the U74-specific gemm kernel to kernel/riscv64

Per review, the U74-specific DGEMM micro-kernel does not belong under
kernel/generic (reserved for portable, architecture-neutral C kernels).
Move both the hybrid dispatcher and its readable assembly source into
kernel/riscv64, next to KERNEL.U74:

- git mv kernel/generic/gemmkernel_4x4_u74.c -> kernel/riscv64/
- git mv kernel/generic/kern_u74.S          -> kernel/riscv64/
- KERNEL.U74: DGEMMKERNEL ../generic/gemmkernel_4x4_u74.c
                       -> ../riscv64/gemmkernel_4x4_u74.c
- gemmkernel_4x4_u74.c: #include "conversion_macros.h"
                     -> #include "../generic/conversion_macros.h"
  (that header stays under kernel/generic; same form kernel/wasm
   already uses for it)

No functional change. The portable gemmkernel_4x4.c (SGEMMKERNEL) is
untouched and stays in kernel/generic. DGEMMKERNEL still resolves through
$(KERNELDIR), so both the Makefile ($(KERNELDIR)/$(DGEMMKERNEL)) and CMake
(GenerateNamedObjects "${KERNELDIR}/${DGEMMKERNEL}") builds pick the kernel
up from its new location.

2026-07-13 16:37:03 +02:00

alpha

Further rearranged the rotm kernel for the different architectures.

2025-01-22 11:41:12 +08:00

arm

rename arm32 sgemm_kernel to indicate neon support

2026-05-05 23:09:52 +03:00

arm64

Merge pull request #5890 from martin-frbg/fixup5843

2026-07-07 00:47:11 +02:00

csky

Further rearranged the rotm kernel for the different architectures.