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