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50 lines
1.5 KiB
50 lines
1.5 KiB
1 month ago
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From 26fa5c2c300f3c3a3ee3109c009bd4a6803a2a4c Mon Sep 17 00:00:00 2001
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From: Nikita Popov <npopov@redhat.com>
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Date: Tue, 11 Jun 2024 10:13:07 +0200
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Subject: [PATCH] Make issue-122805.rs big endian compatible
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Instead of not generating the function at all on big endian (which
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makes the CHECK lines fail), instead use to_le() on big endian,
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so that we essentially perform a bswap for both endiannesses.
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---
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tests/codegen/issues/issue-122805.rs | 21 ++++++++++++---------
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1 file changed, 12 insertions(+), 9 deletions(-)
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diff --git a/tests/codegen/issues/issue-122805.rs b/tests/codegen/issues/issue-122805.rs
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index 6d108ada6dd..8e03c6c8884 100644
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--- a/tests/codegen/issues/issue-122805.rs
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+++ b/tests/codegen/issues/issue-122805.rs
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@@ -39,17 +39,20 @@
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// OPT3WINX64-NEXT: store <8 x i16>
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// CHECK-NEXT: ret void
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#[no_mangle]
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-#[cfg(target_endian = "little")]
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pub fn convert(value: [u16; 8]) -> [u8; 16] {
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+ #[cfg(target_endian = "little")]
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+ let bswap = u16::to_be;
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+ #[cfg(target_endian = "big")]
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+ let bswap = u16::to_le;
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let addr16 = [
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- value[0].to_be(),
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- value[1].to_be(),
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- value[2].to_be(),
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- value[3].to_be(),
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- value[4].to_be(),
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- value[5].to_be(),
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- value[6].to_be(),
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- value[7].to_be(),
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+ bswap(value[0]),
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+ bswap(value[1]),
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+ bswap(value[2]),
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+ bswap(value[3]),
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+ bswap(value[4]),
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+ bswap(value[5]),
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+ bswap(value[6]),
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+ bswap(value[7]),
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];
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unsafe { core::mem::transmute::<_, [u8; 16]>(addr16) }
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}
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--
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2.45.1
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