File: array-cmp.rs

package info (click to toggle)
rustc 1.86.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid
  • size: 913,560 kB
  • sloc: xml: 158,127; python: 35,921; javascript: 19,689; sh: 19,600; cpp: 18,906; ansic: 13,124; asm: 4,376; makefile: 708; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (19 lines) | stat: -rw-r--r-- 428 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
// Ensure the asm for array comparisons is properly optimized.

//@ compile-flags: -C opt-level=2

#![crate_type = "lib"]

// CHECK-LABEL: @compare
// CHECK: start:
// CHECK-NEXT: ret i1 true
#[no_mangle]
pub fn compare() -> bool {
    let bytes = 12.5f32.to_ne_bytes();
    bytes
        == if cfg!(target_endian = "big") {
            [0x41, 0x48, 0x00, 0x00]
        } else {
            [0x00, 0x00, 0x48, 0x41]
        }
}