From 26fa5c2c300f3c3a3ee3109c009bd4a6803a2a4c Mon Sep 17 00:00:00 2001
From: Nikita Popov <npopov@redhat.com>
Date: Tue, 11 Jun 2024 10:13:07 +0200
Subject: [PATCH] Make issue-122805.rs big endian compatible
Instead of not generating the function at all on big endian (which
makes the CHECK lines fail), instead use to_le() on big endian,
so that we essentially perform a bswap for both endiannesses.
---
tests/codegen/issues/issue-122805.rs | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/tests/codegen/issues/issue-122805.rs b/tests/codegen/issues/issue-122805.rs
index 6d108ada6dd..8e03c6c8884 100644
--- a/tests/codegen/issues/issue-122805.rs
+++ b/tests/codegen/issues/issue-122805.rs
@@ -39,17 +39,20 @@
// OPT3WINX64-NEXT: store <8 x i16>
// CHECK-NEXT: ret void
#[no_mangle]
-#[cfg(target_endian = "little")]
pub fn convert(value: [u16; 8]) -> [u8; 16] {
+ #[cfg(target_endian = "little")]
+ let bswap = u16::to_be;
+ #[cfg(target_endian = "big")]
+ let bswap = u16::to_le;
let addr16 = [
- value[0].to_be(),
- value[1].to_be(),
- value[2].to_be(),
- value[3].to_be(),
- value[4].to_be(),
- value[5].to_be(),
- value[6].to_be(),
- value[7].to_be(),
+ bswap(value[0]),
+ bswap(value[1]),
+ bswap(value[2]),
+ bswap(value[3]),
+ bswap(value[4]),
+ bswap(value[5]),
+ bswap(value[6]),
+ bswap(value[7]),
];
unsafe { core::mem::transmute::<_, [u8; 16]>(addr16) }
}
--
2.40.0
