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mlas/arm64: Add AArch64 assembly path for NCHWc float kernel and wire into build #27788

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Merged
hariharans29 merged 6 commits into from
Mar 25, 2026
+1,587 −0
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mlas/arm64: Add AArch64 assembly path for NCHWc float kernel and wire into build #27788

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22dbed4
mlas/arm64: Add AArch64 assembly path for NCHWc float kernel and wire…
milpuz01 Mar 20, 2026
5e0dc2d
Mach-O / Apple portability and AArch64 ABI correctness fix
milpuz01 Mar 20, 2026
0cdec80
Added benchmark for micro-kernel MlasConvNchwcFloatKernelNeon
milpuz01 Mar 23, 2026
bd07f63
fix NCHWc asm stack clobber and make local labels portable
milpuz01 Mar 23, 2026
b928c7d
Avoid using x18/w18 as general purpose register to fix MacOS ABI brea…
milpuz01 Mar 24, 2026
89809bb
Address comments from Copilot
milpuz01 Mar 24, 2026
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1 change: 1 addition & 0 deletions cmake/onnxruntime_mlas.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -336,6 +336,7 @@ function (setup_arm_neon_nchwc)
# separate assembly file allows tighter control over register allocation
# and avoids the overhead of C++/intrinsics based code generation.
${MLAS_SRC_DIR}/aarch64/SconvKernelNeon.S
${MLAS_SRC_DIR}/aarch64/SconvNchwcKernelNeon.S
${MLAS_SRC_DIR}/aarch64/SconvDepthwiseKernelNeon.S
${MLAS_SRC_DIR}/aarch64/SconvPointwiseKernelNeon.S
)
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