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[generator.c] optimize copy_remaining_bytes - #924

Merged

byroot merged 2 commits into

ruby:masterfrom

samyron:sm/optimize-copy-remaining-bytes2

Jan 16, 2026

Merged

[generator.c] optimize copy_remaining_bytes#924
byroot merged 2 commits into
ruby:masterfrom
samyron:sm/optimize-copy-remaining-bytes2

Commits on Jan 16, 2026
- Use __builtin_memcpy, if available, to copy overlapping byte ranges in copy_remaining_bytes to avoid a branch to MEMCPY. Additionally use a space as padding byte instead of an 'X' so it can be repr…
  
  samyron
  authored and
  byroot
  committed
  86f2ba5
- Extract json_fast_memcpy16 for readability
  byroot
  committed
  be60b07