From a30192ed830101e6b8ea4b37bd1248ede19ee938 Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Thu, 23 Apr 2020 19:43:41 +0200
Subject: [PATCH] Disable icelake detection

Due some miscommunication upstream disabled all the icelake flags in the
current stable release.

The issue is tracked in https://github.com/rust-lang/rust/issues/71473
---
 src/cpu_features/x86.rs | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/cpu_features/x86.rs b/src/cpu_features/x86.rs
index 50df4e84a7..c2319c5d6c 100644
--- a/src/cpu_features/x86.rs
+++ b/src/cpu_features/x86.rs
@@ -44,14 +44,15 @@ impl Default for CpuFeatureLevel {
         && is_x86_feature_detected!("avx512vl")
     }
     fn avx512icl_detected() -> bool {
-      avx512_detected()
+      false
+      // avx512_detected()
         // && is_x86_feature_detected!("avx512bitalg")
         // && is_x86_feature_detected!("avx512clmulqdq")
-        && is_x86_feature_detected!("avx512ifma")
+        // && is_x86_feature_detected!("avx512ifma")
         // && is_x86_feature_detected!("avx512vaes")
-        && is_x86_feature_detected!("avx512vbmi")
+        // && is_x86_feature_detected!("avx512vbmi")
         // && is_x86_feature_detected!("avx512vbmi2")
-        && is_x86_feature_detected!("avx512vpopcntdq")
+        // && is_x86_feature_detected!("avx512vpopcntdq")
     }
 
     let detected: CpuFeatureLevel = if avx512icl_detected() {