Sha256: da6b570252d913d70a2b8ffa67745e83bd3438b26b74e45adf683a0596a5d14d
Contents?: true
Size: 1.33 KB
Versions: 7
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Contents
use regalloc2::{PReg, RegClass};
/// A newtype abstraction on top of a physical register.
//
// NOTE
// This is temporary; the intention behind this newtype
// is to keep the usage of PReg contained to this module
// so that the rest of Winch should only need to operate
// on top of the concept of `Reg`.
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub(crate) struct Reg(PReg);
impl Reg {
/// Create a new register from a physical register.
pub const fn new(raw: PReg) -> Self {
Reg(raw)
}
/// Create a new general purpose register from encoding.
pub fn int(enc: usize) -> Self {
Self::new(PReg::new(enc, RegClass::Int))
}
/// Create a new floating point register from encoding.
#[allow(dead_code)]
pub fn float(enc: usize) -> Self {
Self::new(PReg::new(enc, RegClass::Float))
}
/// Get the encoding of the underlying register.
pub const fn hw_enc(self) -> u8 {
self.0.hw_enc() as u8
}
/// Get the physical register representation.
pub(super) fn inner(&self) -> PReg {
self.0
}
}
impl From<Reg> for cranelift_codegen::Reg {
fn from(reg: Reg) -> Self {
reg.inner().into()
}
}
impl std::fmt::Debug for Reg {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{}", self.0)
}
}
Version data entries
7 entries across 7 versions & 1 rubygems