`__builtin_memcpy_aligned` for large blocks - #596

Merged

xavierleroy merged 9 commits into

big-memcpy-fixes

Sep 17, 2026

Commits on Sep 14, 2026

lib/Camlcoq: export Z.{shl,shr,logand,logor,logxor}
xavierleroy
committed
4dac4a4
x86_64 `__builtin_memcpy`: handle the case `sz` >= 2^34
xavierleroy
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51f035a
x86_64 `__builtin_memcpy`: use `rep movsb` for large blocks
xavierleroy
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630b4f4
AArch64 `__builtin_memcpy`: handle the case `sz` >= 2^36
xavierleroy
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da819bf
RISC-V `__builtin_memcpy`: handle the case `sz` >= 2^32 * chunksize
xavierleroy
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6221478
ARM `__builtin_memcpy`: handle the case `sz` >= 2^30
xavierleroy
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17347a0
PowerPC `__builtin_memcpy`: handle the case `sz` >= 2^30
xavierleroy
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eabf245
Update the test suite with a test for __builtin_memcpy_aligned
xavierleroy
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0af5f48
`__builtin_memcpy_aligned`: clamp the alignment to at most 8
xavierleroy
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2f28fd5