bjoernager/rust
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Step bootstrap cfgs

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This commit is contained in:
Mark Rousskov 2024-04-29 09:27:34 -04:00
parent 377c518bce
commit a64f941611
44 changed files with 38 additions and 282 deletions
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24
library/core/src/num/int_macros.rs
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@ -1234,18 +1234,9 @@ macro_rules! int_impl {
#[inline(always)]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
pub const unsafe fn unchecked_shl(self, rhs: u32) -> Self {
#[cfg(bootstrap)]
{
// For bootstrapping, just use built-in primitive shift.
// panicking is a legal manifestation of UB
self << rhs
}
#[cfg(not(bootstrap))]
{
// SAFETY: the caller must uphold the safety contract for
// `unchecked_shl`.
unsafe { intrinsics::unchecked_shl(self, rhs) }
}
}
/// Checked shift right. Computes `self >> rhs`, returning `None` if `rhs` is
@ -1332,18 +1323,9 @@ macro_rules! int_impl {
#[inline(always)]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
pub const unsafe fn unchecked_shr(self, rhs: u32) -> Self {
#[cfg(bootstrap)]
{
// For bootstrapping, just use built-in primitive shift.
// panicking is a legal manifestation of UB
self >> rhs
}
#[cfg(not(bootstrap))]
{
// SAFETY: the caller must uphold the safety contract for
// `unchecked_shr`.
unsafe { intrinsics::unchecked_shr(self, rhs) }
}
// SAFETY: the caller must uphold the safety contract for
// `unchecked_shr`.
unsafe { intrinsics::unchecked_shr(self, rhs) }
}
/// Checked absolute value. Computes `self.abs()`, returning `None` if