From 22f2a04ab555ccb5257adbd529af18075263d1bf Mon Sep 17 00:00:00 2001
From: Tim Besard <tim.besard@gmail.com>
Date: Fri, 6 Oct 2023 09:58:48 +0200
Subject: [PATCH] Restrict use of codegen to x86 only.

---
 src/bfloat16.jl | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/bfloat16.jl b/src/bfloat16.jl
index 308ed59..03ac981 100644
--- a/src/bfloat16.jl
+++ b/src/bfloat16.jl
@@ -16,12 +16,13 @@ import Base: isfinite, isnan, precision, iszero, eps,
     bitstring, isinteger
 
 # Julia 1.11 provides codegen support for BFloat16
-if isdefined(Core, :BFloat16)
+const codegen_support = if isdefined(Core, :BFloat16) &&
+                           Sys.ARCH in [:x86_64, :i686]
     using Core: BFloat16
-    const codegen_support = true
+    true
 else
     primitive type BFloat16 <: AbstractFloat 16 end
-    const codegen_support = false
+    false
 end
 
 Base.reinterpret(::Type{Unsigned}, x::BFloat16) = reinterpret(UInt16, x)