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shrink a stack array that's twice as big as it needs to be 

It looks like I originally made this mistake when I was copying code
from the baokeshed prototype (a274a9b0fa),
and then it got replicated into the C implementation later.
This commit is contained in:
Jack O'Connor 2020-06-26 16:16:55 -04:00
parent e0f193ddc9
commit c908847c3f
2 changed files with 2 additions and 2 deletions
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2
c/blake3.c
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@ -335,7 +335,7 @@ INLINE void compress_subtree_to_parent_node(
assert(input_len > BLAKE3_CHUNK_LEN);
#endif
uint8_t cv_array[2 * MAX_SIMD_DEGREE_OR_2 * BLAKE3_OUT_LEN];
uint8_t cv_array[MAX_SIMD_DEGREE_OR_2 * BLAKE3_OUT_LEN];
size_t num_cvs = blake3_compress_subtree_wide(input, input_len, key,
chunk_counter, flags, cv_array);

2
src/lib.rs
View File

@ -660,7 +660,7 @@ fn compress_subtree_to_parent_node<J: Join>(
platform: Platform,
) -> [u8; BLOCK_LEN] {
debug_assert!(input.len() > CHUNK_LEN);
let mut cv_array = [0; 2 * MAX_SIMD_DEGREE_OR_2 * OUT_LEN];
let mut cv_array = [0; MAX_SIMD_DEGREE_OR_2 * OUT_LEN];
let mut num_cvs =
compress_subtree_wide::<J>(input, &key, chunk_counter, flags, platform, &mut cv_array);
debug_assert!(num_cvs >= 2);