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internal: add inline for move_mask in line-index

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This commit is contained in:
roife 2024-01-12 20:27:49 +08:00
parent 7c3744e4db
commit df538288e0
1 changed files with 2 additions and 1 deletions
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3
lib/line-index/src/lib.rs
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@ -340,6 +340,7 @@ unsafe fn analyze_source_file_sse2(
#[target_feature(enable = "neon")]
#[cfg(any(target_arch = "aarch64"))]
#[inline]
// See https://community.arm.com/arm-community-blogs/b/infrastructure-solutions-blog/posts/porting-x86-vector-bitmask-optimizations-to-arm-neon
//
// The mask is a 64-bit integer, where each 4-bit corresponds to a u8 in the
@ -393,7 +394,7 @@ unsafe fn analyze_source_file_neon(
let newlines_test = vceqq_s8(chunk, newline);
let mut newlines_mask = move_mask(newlines_test);
// If the bit mask is all zero, there are no newlines in this chunk.
// If the bit mask is not all zero, there are newlines in this chunk.
if newlines_mask != 0 {
let output_offset = TextSize::from((chunk_index * CHUNK_SIZE + 1) as u32);