From d73ccba9886acc132a1d7e9565509c98fdd7c39b Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Wed, 18 Jul 2018 10:04:33 -0700
Subject: [PATCH] Use `intrinsics!` macro for math intrinsics

Make sure they respect the `mangled-names` feature as well as have the `"C"`
ABI.
---
 src/math.rs | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/math.rs b/src/math.rs
index 76bb726..f1eaaa5 100644
--- a/src/math.rs
+++ b/src/math.rs
@@ -4,12 +4,13 @@ mod libm;
 
 macro_rules! no_mangle {
     ($(fn $fun:ident($($iid:ident : $ity:ty),+) -> $oty:ty;)+) => {
-        $(
-            #[no_mangle]
-            pub fn $fun($($iid: $ity),+) -> $oty {
-                self::libm::$fun($($iid),+)
-            }
-        )+
+        intrinsics! {
+            $(
+                pub extern "C" fn $fun($($iid: $ity),+) -> $oty {
+                    self::libm::$fun($($iid),+)
+                }
+            )+
+        }
     }
 }