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.
+// 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")]
{
}
#[cfg(not(target_endian = "little"))]
{
- this.swap_bytes()
+ swap_bytes(this)
}
}
}
}
- 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) }
}