mirror of https://github.com/rust-lang/rust.git
43 lines
901 B
Rust
43 lines
901 B
Rust
//@ compile-flags: -C no-prepopulate-passes
|
|
|
|
#![crate_type = "lib"]
|
|
#![feature(core_intrinsics)]
|
|
|
|
use std::intrinsics::{fadd_fast, fdiv_fast, fmul_fast, frem_fast, fsub_fast};
|
|
|
|
// CHECK-LABEL: @add
|
|
#[no_mangle]
|
|
pub fn add(x: f32, y: f32) -> f32 {
|
|
// CHECK: fadd float
|
|
// CHECK-NOT: fast
|
|
x + y
|
|
}
|
|
|
|
// CHECK-LABEL: @addition
|
|
#[no_mangle]
|
|
pub fn addition(x: f32, y: f32) -> f32 {
|
|
// CHECK: fadd fast float
|
|
unsafe { fadd_fast(x, y) }
|
|
}
|
|
|
|
// CHECK-LABEL: @subtraction
|
|
#[no_mangle]
|
|
pub fn subtraction(x: f32, y: f32) -> f32 {
|
|
// CHECK: fsub fast float
|
|
unsafe { fsub_fast(x, y) }
|
|
}
|
|
|
|
// CHECK-LABEL: @multiplication
|
|
#[no_mangle]
|
|
pub fn multiplication(x: f32, y: f32) -> f32 {
|
|
// CHECK: fmul fast float
|
|
unsafe { fmul_fast(x, y) }
|
|
}
|
|
|
|
// CHECK-LABEL: @division
|
|
#[no_mangle]
|
|
pub fn division(x: f32, y: f32) -> f32 {
|
|
// CHECK: fdiv fast float
|
|
unsafe { fdiv_fast(x, y) }
|
|
}
|