Function rustc_span::analyze_source_file::analyze_source_file_sse2
source · unsafe fn analyze_source_file_sse2(
src: &str,
output_offset: BytePos,
lines: &mut Vec<BytePos>,
multi_byte_chars: &mut Vec<MultiByteChar>,
non_narrow_chars: &mut Vec<NonNarrowChar>
)
Available with target feature
sse2
only.Expand description
Checks 16 byte chunks of text at a time. If the chunk contains something other than printable ASCII characters and newlines, the function falls back to the generic implementation. Otherwise it uses SSE2 intrinsics to quickly find all newlines.