From: Arthur Cohen <[email protected]>
Some failures occur in the testsuite because we
did not account for the little-endian case.
gcc/testsuite/ChangeLog:
* rust/compile/issue-1446.rs: Add swap_bytes function.
* rust/compile/iterators1.rs: Remove unused {to, from}_le functions.
---
gcc/testsuite/rust/compile/issue-1446.rs | 10 +++++++++-
gcc/testsuite/rust/compile/iterators1.rs | 18 ------------------
2 files changed, 9 insertions(+), 19 deletions(-)
diff --git a/gcc/testsuite/rust/compile/issue-1446.rs
b/gcc/testsuite/rust/compile/issue-1446.rs
index 8bfa42b9dac..969ad380ee6 100644
--- a/gcc/testsuite/rust/compile/issue-1446.rs
+++ b/gcc/testsuite/rust/compile/issue-1446.rs
@@ -1,3 +1,11 @@
+// fake function
+pub fn swap_bytes(this: u32) -> u32 {
+ (((this) & 0xff000000) >> 24)
+ | (((this) & 0x00ff0000) >> 8)
+ | (((this) & 0x0000ff00) << 8)
+ | (((this) & 0x000000ff) << 24)
+}
+
pub fn to_le(this: u32) -> u32 {
#[cfg(target_endian = "little")]
{
@@ -5,6 +13,6 @@ pub fn to_le(this: u32) -> u32 {
}
#[cfg(not(target_endian = "little"))]
{
- this.swap_bytes()
+ swap_bytes(this)
}
}
diff --git a/gcc/testsuite/rust/compile/iterators1.rs
b/gcc/testsuite/rust/compile/iterators1.rs
index 35fea5a0493..1141758b14a 100644
--- a/gcc/testsuite/rust/compile/iterators1.rs
+++ b/gcc/testsuite/rust/compile/iterators1.rs
@@ -232,24 +232,6 @@ macro_rules! impl_uint {
}
}
- pub fn to_le(self) -> Self {
- #[cfg(target_endian = "little")]
- {
- self
- }
- }
-
- pub const fn from_le_bytes(bytes: [u8;
mem::size_of::<Self>()]) -> Self {
- Self::from_le(Self::from_ne_bytes(bytes))
- }
-
- pub const fn from_le(x: Self) -> Self {
- #[cfg(target_endian = "little")]
- {
- x
- }
- }
-
pub const fn from_ne_bytes(bytes: [u8;
mem::size_of::<Self>()]) -> Self {
unsafe { mem::transmute(bytes) }
}
--
2.45.2