From 5f136fbd0cd27e3b83c399c0014f3d0e0b13e284 Mon Sep 17 00:00:00 2001
From: Henry de Valence <hdevalence@hdevalence.ca>
Date: Wed, 4 Apr 2018 10:25:42 -0700
Subject: [PATCH] Remove some warnings.

Not all of the warnings are removed, since although this code works, it still
needs a significant amount of cleanup, editing, and polish.
---
 src/backend/avx2/edwards.rs | 8 ++------
 src/backend/avx2/field.rs   | 1 -
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/src/backend/avx2/edwards.rs b/src/backend/avx2/edwards.rs
index 9341ee9..c0ad9ac 100644
--- a/src/backend/avx2/edwards.rs
+++ b/src/backend/avx2/edwards.rs
@@ -14,16 +14,14 @@
 #![allow(bad_style)]
 
 use core::convert::From;
-use core::ops::{Index, Add, Sub, Mul, Neg};
-use core::borrow::Borrow;
+use core::ops::{Add, Sub, Neg};
 
-use core::simd::{IntoBits, u32x8, i32x8};
+use core::simd::{IntoBits, u32x8};
 
 use subtle::ConditionallyAssignable;
 use subtle::Choice;
 
 use edwards;
-use scalar::Scalar;
 use scalar_mul::window::{LookupTable, OddLookupTable};
 
 use traits::Identity;
@@ -313,8 +311,6 @@ impl<'a> From<&'a edwards::EdwardsPoint> for OddLookupTable<CachedPoint> {
 mod test {
     use super::*;
 
-    use constants;
-
     fn serial_add(P: edwards::EdwardsPoint, Q: edwards::EdwardsPoint) -> edwards::EdwardsPoint {
         use backend::u64::field::FieldElement64;
 
diff --git a/src/backend/avx2/field.rs b/src/backend/avx2/field.rs
index 2af68b2..96b4baf 100644
--- a/src/backend/avx2/field.rs
+++ b/src/backend/avx2/field.rs
@@ -268,7 +268,6 @@ impl FieldElement32x4 {
         let masks  = u32x8::new((1<<26)-1, (1<<26)-1, (1<<25)-1, (1<<25)-1,
                                 (1<<26)-1, (1<<26)-1, (1<<25)-1, (1<<25)-1);
 
-        /// Compute the carry-out of each coefficient of v using a left shift.
         let carry = |v: u32x8| -> u32x8 {
             unsafe {
                 use core::arch::x86_64::_mm256_srlv_epi32;