From f28635ab4e6580115ff657bb914c96548a7dbfd9 Mon Sep 17 00:00:00 2001
From: Henry de Valence <hdevalence@hdevalence.ca>
Date: Sun, 19 Nov 2017 14:53:45 -0800
Subject: [PATCH] Add a new 'avx2_backend' yolocrypto feature

---
 Cargo.toml         | 6 +++---
 src/backend/mod.rs | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index ac1b8d6..390a2c5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -70,11 +70,11 @@ nightly = ["radix_51", "subtle/nightly"]
 default = ["std"]
 std = ["rand", "subtle/std"]
 alloc = []
-# This isn't used at the moment, but keep it around for future yolocrypto features.
-yolocrypto = []
+yolocrypto = ["avx2_backend"]
 bench = []
 # Radix-51 arithmetic using u128
 radix_51 = []
 # Include precomputed basepoint tables.  This is off by default so that build.rs can generate the tables, and then re-enabled by build.rs in the main-stage compilation.
 precomputed_tables = []
-
+# experimental avx2 support
+avx2_backend = ["radix_51"]
diff --git a/src/backend/mod.rs b/src/backend/mod.rs
index 12957d6..e68786e 100644
--- a/src/backend/mod.rs
+++ b/src/backend/mod.rs
@@ -29,6 +29,6 @@ pub mod u32;
 pub mod u64;
 
 /// Code using AVX2.
-#[cfg(all(feature="yolocrypto", feature="radix_51"))]
+#[cfg(all(feature="yolocrypto", feature="avx2_backend"))]
 pub mod avx2;