From 5f920414d7989daa4029270a716d06505b4dfff9 Mon Sep 17 00:00:00 2001
From: Jeroen van Rijn <Kelimion@users.noreply.github.com>
Date: Sat, 11 Sep 2021 15:45:17 +0200
Subject: [PATCH] xxhash: Disable prefetch on Linux.

---
 core/hash/xxhash/common.odin | 5 ++++-
 tests/core/Makefile          | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/hash/xxhash/common.odin b/core/hash/xxhash/common.odin
index 537d2d772..aac5af7e1 100644
--- a/core/hash/xxhash/common.odin
+++ b/core/hash/xxhash/common.odin
@@ -47,7 +47,10 @@ Error :: enum {
 
 XXH_DISABLE_PREFETCH :: #config(XXH_DISABLE_PREFETCH, false)
 
-when !XXH_DISABLE_PREFETCH {
+/*
+	llvm.prefetch fails code generation on Linux.
+*/
+when !XXH_DISABLE_PREFETCH && ODIN_OS == "windows" {
 	import "core:sys/llvm"
 
 	prefetch_address :: #force_inline proc(address: rawptr) {
diff --git a/tests/core/Makefile b/tests/core/Makefile
index 65f3ee36f..99b1efe87 100644
--- a/tests/core/Makefile
+++ b/tests/core/Makefile
@@ -16,4 +16,4 @@ strings_test:
 	$(ODIN) run strings/test_core_strings.odin
 
 hash_test:
-	$(ODIN) run hash -out=test_hash -o:speed -no-bounds-check -define:XXH_DISABLE_PREFETCH=true
\ No newline at end of file
+	$(ODIN) run hash -out=test_hash -o:speed -no-bounds-check
\ No newline at end of file