1 files changed, 0 insertions, 82 deletions

diff --git a/src/d2s_intrinsics.rs b/src/d2s_intrinsics.rs
index 918ccab..f244a4d 100644
--- a/src/d2s_intrinsics.rs
+++ b/src/d2s_intrinsics.rs
@@ -20,46 +20,6 @@
 
 use core::ptr;
 
-// Returns (lo, hi).
-#[cfg(not(integer128))]
-#[cfg_attr(feature = "no-panic", inline)]
-pub fn umul128(a: u64, b: u64) -> (u64, u64) {
-    let a_lo = a as u32;
-    let a_hi = (a >> 32) as u32;
-    let b_lo = b as u32;
-    let b_hi = (b >> 32) as u32;
-
-    let b00 = a_lo as u64 * b_lo as u64;
-    let b01 = a_lo as u64 * b_hi as u64;
-    let b10 = a_hi as u64 * b_lo as u64;
-    let b11 = a_hi as u64 * b_hi as u64;
-
-    let b00_lo = b00 as u32;
-    let b00_hi = (b00 >> 32) as u32;
-
-    let mid1 = b10 + b00_hi as u64;
-    let mid1_lo = mid1 as u32;
-    let mid1_hi = (mid1 >> 32) as u32;
-
-    let mid2 = b01 + mid1_lo as u64;
-    let mid2_lo = mid2 as u32;
-    let mid2_hi = (mid2 >> 32) as u32;
-
-    let p_hi = b11 + mid1_hi as u64 + mid2_hi as u64;
-    let p_lo = ((mid2_lo as u64) << 32) | b00_lo as u64;
-
-    (p_lo, p_hi)
-}
-
-#[cfg(not(integer128))]
-#[cfg_attr(feature = "no-panic", inline)]
-pub fn shiftright128(lo: u64, hi: u64, dist: u32) -> u64 {
-    // We don't need to handle the case dist >= 64 here (see above).
-    debug_assert!(dist > 0);
-    debug_assert!(dist < 64);
-    (hi << (64 - dist)) | (lo >> dist)
-}
-
 #[cfg_attr(feature = "no-panic", inline)]
 pub fn div5(x: u64) -> u64 {
     x / 5
@@ -107,7 +67,6 @@ pub fn multiple_of_power_of_2(value: u64, p: u32) -> bool {
     (value & ((1u64 << p) - 1)) == 0
 }
 
-#[cfg(integer128)]
 #[cfg_attr(feature = "no-panic", inline)]
 pub fn mul_shift_64(m: u64, mul: &(u64, u64), j: u32) -> u64 {
     let b0 = m as u128 * mul.0 as u128;
@@ -115,7 +74,6 @@ pub fn mul_shift_64(m: u64, mul: &(u64, u64), j: u32) -> u64 {
     (((b0 >> 64) + b2) >> (j - 64)) as u64
 }
 
-#[cfg(integer128)]
 #[cfg_attr(feature = "no-panic", inline)]
 pub unsafe fn mul_shift_all_64(
     m: u64,
@@ -129,43 +87,3 @@ pub unsafe fn mul_shift_all_64(
     ptr::write(vm, mul_shift_64(4 * m - 1 - mm_shift as u64, mul, j));
     mul_shift_64(4 * m, mul, j)
 }
-
-#[cfg(not(integer128))]
-#[cfg_attr(feature = "no-panic", inline)]
-pub unsafe fn mul_shift_all_64(
-    mut m: u64,
-    mul: &(u64, u64),
-    j: u32,
-    vp: *mut u64,
-    vm: *mut u64,
-    mm_shift: u32,
-) -> u64 {
-    m <<= 1;
-    // m is maximum 55 bits
-    let (lo, tmp) = umul128(m, mul.0);
-    let (mut mid, mut hi) = umul128(m, mul.1);
-    mid = mid.wrapping_add(tmp);
-    hi = hi.wrapping_add((mid < tmp) as u64); // overflow into hi
-
-    let lo2 = lo.wrapping_add(mul.0);
-    let mid2 = mid.wrapping_add(mul.1).wrapping_add((lo2 < lo) as u64);
-    let hi2 = hi.wrapping_add((mid2 < mid) as u64);
-    ptr::write(vp, shiftright128(mid2, hi2, j - 64 - 1));
-
-    if mm_shift == 1 {
-        let lo3 = lo.wrapping_sub(mul.0);
-        let mid3 = mid.wrapping_sub(mul.1).wrapping_sub((lo3 > lo) as u64);
-        let hi3 = hi.wrapping_sub((mid3 > mid) as u64);
-        ptr::write(vm, shiftright128(mid3, hi3, j - 64 - 1));
-    } else {
-        let lo3 = lo + lo;
-        let mid3 = mid.wrapping_add(mid).wrapping_add((lo3 < lo) as u64);
-        let hi3 = hi.wrapping_add(hi).wrapping_add((mid3 < mid) as u64);
-        let lo4 = lo3.wrapping_sub(mul.0);
-        let mid4 = mid3.wrapping_sub(mul.1).wrapping_sub((lo4 > lo3) as u64);
-        let hi4 = hi3.wrapping_sub((mid4 > mid3) as u64);
-        ptr::write(vm, shiftright128(mid4, hi4, j - 64));
-    }
-
-    shiftright128(mid, hi, j - 64 - 1)
-}