Files
wasmtime/cranelift/codegen/src/isa/x86/settings.rs

53 lines
1.6 KiB
Rust

//! x86 Settings.
use crate::settings::{self, detail, Builder};
use core::fmt;
// Include code generated by `cranelift-codegen/meta/src/gen_settings.rs:`. This file contains a
// public `Flags` struct with an impl for all of the settings defined in
// `cranelift-codegen/meta/src/isa/x86/settings.rs`.
include!(concat!(env!("OUT_DIR"), "/settings-x86.rs"));
#[cfg(test)]
mod tests {
use super::{builder, Flags};
use crate::settings::{self, Configurable};
#[test]
fn presets() {
let shared = settings::Flags::new(settings::builder());
// Nehalem has SSE4.1 but not BMI1.
let mut b0 = builder();
b0.enable("nehalem").unwrap();
let f0 = Flags::new(&shared, b0);
assert_eq!(f0.has_sse41(), true);
assert_eq!(f0.has_bmi1(), false);
let mut b1 = builder();
b1.enable("haswell").unwrap();
let f1 = Flags::new(&shared, b1);
assert_eq!(f1.has_sse41(), true);
assert_eq!(f1.has_bmi1(), true);
}
#[test]
fn display_presets() {
// Spot check that the flags Display impl does not cause a panic
let shared = settings::Flags::new(settings::builder());
let b0 = builder();
let f0 = Flags::new(&shared, b0);
let _ = format!("{}", f0);
let mut b1 = builder();
b1.enable("nehalem").unwrap();
let f1 = Flags::new(&shared, b1);
let _ = format!("{}", f1);
let mut b2 = builder();
b2.enable("haswell").unwrap();
let f2 = Flags::new(&shared, b2);
let _ = format!("{}", f2);
}
}