1 files changed, 0 insertions, 217 deletions
diff --git a/vendor/simd-adler32/src/imp/wasm.rs b/vendor/simd-adler32/src/imp/wasm.rs
deleted file mode 100644
index 5a9152b..0000000
--- a/vendor/simd-adler32/src/imp/wasm.rs
+++ /dev/null
@@ -1,217 +0,0 @@
-use super::Adler32Imp;
-
-/// Resolves update implementation if CPU supports simd128 instructions.
-pub fn get_imp() -> Option<Adler32Imp> {
-  get_imp_inner()
-}
-
-#[inline]
-#[cfg(target_feature = "simd128")]
-fn get_imp_inner() -> Option<Adler32Imp> {
-  Some(imp::update)
-}
-
-#[inline]
-#[cfg(not(target_feature = "simd128"))]
-fn get_imp_inner() -> Option<Adler32Imp> {
-  None
-}
-
-#[cfg(target_feature = "simd128")]
-mod imp {
-  const MOD: u32 = 65521;
-  const NMAX: usize = 5552;
-  const BLOCK_SIZE: usize = 32;
-  const CHUNK_SIZE: usize = NMAX / BLOCK_SIZE * BLOCK_SIZE;
-
-  #[cfg(target_arch = "wasm32")]
-  use core::arch::wasm32::*;
-  #[cfg(target_arch = "wasm64")]
-  use core::arch::wasm64::*;
-
-  pub fn update(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
-    update_imp(a, b, data)
-  }
-
-  #[inline]
-  #[target_feature(enable = "simd128")]
-  fn update_imp(a: u16, b: u16, data: &[u8]) -> (u16, u16) {
-    let mut a = a as u32;
-    let mut b = b as u32;
-
-    let chunks = data.chunks_exact(CHUNK_SIZE);
-    let remainder = chunks.remainder();
-    for chunk in chunks {
-      update_chunk_block(&mut a, &mut b, chunk);
-    }
-
-    update_block(&mut a, &mut b, remainder);
-
-    (a as u16, b as u16)
-  }
-
-  fn update_chunk_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
-    debug_assert_eq!(
-      chunk.len(),
-      CHUNK_SIZE,
-      "Unexpected chunk size (expected {}, got {})",
-      CHUNK_SIZE,
-      chunk.len()
-    );
-
-    reduce_add_blocks(a, b, chunk);
-
-    *a %= MOD;
-    *b %= MOD;
-  }
-
-  fn update_block(a: &mut u32, b: &mut u32, chunk: &[u8]) {
-    debug_assert!(
-      chunk.len() <= CHUNK_SIZE,
-      "Unexpected chunk size (expected <= {}, got {})",
-      CHUNK_SIZE,
-      chunk.len()
-    );
-
-    for byte in reduce_add_blocks(a, b, chunk) {
-      *a += *byte as u32;
-      *b += *a;
-    }
-
-    *a %= MOD;
-    *b %= MOD;
-  }
-
-  #[inline(always)]
-  fn reduce_add_blocks<'a>(a: &mut u32, b: &mut u32, chunk: &'a [u8]) -> &'a [u8] {
-    if chunk.len() < BLOCK_SIZE {
-      return chunk;
-    }
-
-    let blocks = chunk.chunks_exact(BLOCK_SIZE);
-    let blocks_remainder = blocks.remainder();
-
-    let weight_hi_v = get_weight_hi();
-    let weight_lo_v = get_weight_lo();
-
-    let mut p_v = u32x4(*a * blocks.len() as u32, 0, 0, 0);
-    let mut a_v = u32x4(0, 0, 0, 0);
-    let mut b_v = u32x4(*b, 0, 0, 0);
-
-    for block in blocks {
-      let block_ptr = block.as_ptr() as *const v128;
-      let v_lo = unsafe { block_ptr.read_unaligned() };
-      let v_hi = unsafe { block_ptr.add(1).read_unaligned() };
-
-      p_v = u32x4_add(p_v, a_v);
-
-      a_v = u32x4_add(a_v, u32x4_extadd_quarters_u8x16(v_lo));
-      let mad = i32x4_dot_i8x16(v_lo, weight_lo_v);
-      b_v = u32x4_add(b_v, mad);
-
-      a_v = u32x4_add(a_v, u32x4_extadd_quarters_u8x16(v_hi));
-      let mad = i32x4_dot_i8x16(v_hi, weight_hi_v);
-      b_v = u32x4_add(b_v, mad);
-    }
-
-    b_v = u32x4_add(b_v, u32x4_shl(p_v, 5));
-
-    *a += reduce_add(a_v);
-    *b = reduce_add(b_v);
-
-    blocks_remainder
-  }
-
-  #[inline(always)]
-  fn i32x4_dot_i8x16(a: v128, b: v128) -> v128 {
-    let a_lo = u16x8_extend_low_u8x16(a);
-    let a_hi = u16x8_extend_high_u8x16(a);
-
-    let b_lo = u16x8_extend_low_u8x16(b);
-    let b_hi = u16x8_extend_high_u8x16(b);
-
-    let lo = i32x4_dot_i16x8(a_lo, b_lo);
-    let hi = i32x4_dot_i16x8(a_hi, b_hi);
-
-    i32x4_add(lo, hi)
-  }
-
-  #[inline(always)]
-  fn u32x4_extadd_quarters_u8x16(a: v128) -> v128 {
-    u32x4_extadd_pairwise_u16x8(u16x8_extadd_pairwise_u8x16(a))
-  }
-
-  #[inline(always)]
-  fn reduce_add(v: v128) -> u32 {
-    let arr: [u32; 4] = unsafe { std::mem::transmute(v) };
-    let mut sum = 0u32;
-    for val in arr {
-      sum = sum.wrapping_add(val);
-    }
-    sum
-  }
-
-  #[inline(always)]
-  fn get_weight_lo() -> v128 {
-    u8x16(
-      32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17,
-    )
-  }
-
-  #[inline(always)]
-  fn get_weight_hi() -> v128 {
-    u8x16(16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
-  }
-}
-
-#[cfg(test)]
-mod tests {
-  use rand::Rng;
-
-  #[test]
-  fn zeroes() {
-    assert_sum_eq(&[]);
-    assert_sum_eq(&[0]);
-    assert_sum_eq(&[0, 0]);
-    assert_sum_eq(&[0; 100]);
-    assert_sum_eq(&[0; 1024]);
-    assert_sum_eq(&[0; 512 * 1024]);
-  }
-
-  #[test]
-  fn ones() {
-    assert_sum_eq(&[]);
-    assert_sum_eq(&[1]);
-    assert_sum_eq(&[1, 1]);
-    assert_sum_eq(&[1; 100]);
-    assert_sum_eq(&[1; 1024]);
-    assert_sum_eq(&[1; 512 * 1024]);
-  }
-
-  #[test]
-  fn random() {
-    let mut random = [0; 512 * 1024];
-    rand::thread_rng().fill(&mut random[..]);
-
-    assert_sum_eq(&random[..1]);
-    assert_sum_eq(&random[..100]);
-    assert_sum_eq(&random[..1024]);
-    assert_sum_eq(&random[..512 * 1024]);
-  }
-
-  /// Example calculation from https://en.wikipedia.org/wiki/Adler-32.
-  #[test]
-  fn wiki() {
-    assert_sum_eq(b"Wikipedia");
-  }
-
-  fn assert_sum_eq(data: &[u8]) {
-    if let Some(update) = super::get_imp() {
-      let (a, b) = update(1, 0, data);
-      let left = u32::from(b) << 16 | u32::from(a);
-      let right = adler::adler32_slice(data);
-
-      assert_eq!(left, right, "len({})", data.len());
-    }
-  }
-}