File: x86_64-floating-point-clamp.rs

package info (click to toggle)
rustc 1.70.0%2Bdfsg1-9
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 722,120 kB
  • sloc: xml: 147,962; javascript: 10,210; sh: 8,590; python: 8,220; ansic: 5,901; cpp: 4,635; makefile: 4,001; asm: 2,856
file content (26 lines) | stat: -rw-r--r-- 672 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// Floating-point clamp is designed to be implementable as max+min,
// so check to make sure that's what it's actually emitting.

// assembly-output: emit-asm
// compile-flags: --crate-type=lib -O -C llvm-args=-x86-asm-syntax=intel
// only-x86_64
// ignore-sgx

// CHECK-LABEL: clamp_demo:
#[no_mangle]
pub fn clamp_demo(a: f32, x: f32, y: f32) -> f32 {
    // CHECK: maxss
    // CHECK: minss
    a.clamp(x, y)
}

// CHECK-LABEL: clamp12_demo:
#[no_mangle]
pub fn clamp12_demo(a: f32) -> f32 {
    // CHECK: movss   xmm1
    // CHECK-NEXT: maxss   xmm1, xmm0
    // CHECK-NEXT: movss   xmm0
    // CHECK-NEXT: minss   xmm0, xmm1
    // CHECK: ret
    a.clamp(1.0, 2.0)
}