Sha256: 0da745e5a3bf853c0906fbd4dcd6bd42a13d9085ce7f1f4678fdad353d279d52
Contents?: true
Size: 923 Bytes
Versions: 27
Compression:
Stored size: 923 Bytes
Contents
//! Miscellaneous helpers for machine backends.
use crate::ir::Type;
use std::ops::{Add, BitAnd, Not, Sub};
/// Returns the size (in bits) of a given type.
pub fn ty_bits(ty: Type) -> usize {
ty.bits() as usize
}
/// Is the type represented by an integer (not float) at the machine level?
pub(crate) fn ty_has_int_representation(ty: Type) -> bool {
ty.is_int() || ty.is_ref()
}
/// Is the type represented by a float or vector value at the machine level?
pub(crate) fn ty_has_float_or_vec_representation(ty: Type) -> bool {
ty.is_vector() || ty.is_float()
}
/// Align a size up to a power-of-two alignment.
pub(crate) fn align_to<N>(x: N, alignment: N) -> N
where
N: Not<Output = N>
+ BitAnd<N, Output = N>
+ Add<N, Output = N>
+ Sub<N, Output = N>
+ From<u8>
+ Copy,
{
let alignment_mask = alignment - 1.into();
(x + alignment_mask) & !alignment_mask
}
Version data entries
27 entries across 27 versions & 1 rubygems