cranelift_codegen_meta/isa/
mod.rs

1//! Define supported ISAs; includes ISA-specific instructions, encodings, registers, settings, etc.
2use crate::cdsl::isa::TargetIsa;
3use std::fmt;
4
5mod arm64;
6mod riscv64;
7mod s390x;
8pub(crate) mod x86;
9
10/// Represents known ISA target.
11#[derive(PartialEq, Copy, Clone)]
12pub enum Isa {
13    X86,
14    Arm64,
15    S390x,
16    Riscv64,
17}
18
19impl Isa {
20    /// Creates isa target using name.
21    pub fn from_name(name: &str) -> Option<Self> {
22        Isa::all()
23            .iter()
24            .cloned()
25            .find(|isa| isa.to_string() == name)
26    }
27
28    /// Creates isa target from arch.
29    pub fn from_arch(arch: &str) -> Option<Self> {
30        match arch {
31            "aarch64" => Some(Isa::Arm64),
32            "s390x" => Some(Isa::S390x),
33            x if ["x86_64", "i386", "i586", "i686"].contains(&x) => Some(Isa::X86),
34            "riscv64" | "riscv64gc" | "riscv64imac" => Some(Isa::Riscv64),
35            _ => None,
36        }
37    }
38
39    /// Returns all supported isa targets.
40    pub fn all() -> &'static [Isa] {
41        &[Isa::X86, Isa::Arm64, Isa::S390x, Isa::Riscv64]
42    }
43}
44
45impl fmt::Display for Isa {
46    // These names should be kept in sync with the crate features.
47    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
48        match *self {
49            Isa::X86 => write!(f, "x86"),
50            Isa::Arm64 => write!(f, "arm64"),
51            Isa::S390x => write!(f, "s390x"),
52            Isa::Riscv64 => write!(f, "riscv64"),
53        }
54    }
55}
56
57pub(crate) fn define(isas: &[Isa]) -> Vec<TargetIsa> {
58    isas.iter()
59        .map(|isa| match isa {
60            Isa::X86 => x86::define(),
61            Isa::Arm64 => arm64::define(),
62            Isa::S390x => s390x::define(),
63            Isa::Riscv64 => riscv64::define(),
64        })
65        .collect()
66}
cranelift_codegen_meta/isa/mod.rs

cranelift_codegen_meta/isa/
mod.rs
