| //@ revisions: WIN LIN |
| //@ [WIN] only-windows |
| //@ [LIN] only-linux |
| //@ only-x86_64 |
| //@ assembly-output: emit-asm |
| //@ compile-flags: --crate-type=lib -O |
| |
| use std::arch::x86_64::__m128; |
| use std::mem::swap; |
| |
| // CHECK-LABEL: swap_i32: |
| #[no_mangle] |
| pub fn swap_i32(x: &mut i32, y: &mut i32) { |
| // CHECK: movl (%[[ARG1:.+]]), %[[T1:.+]] |
| // CHECK: movl (%[[ARG2:.+]]), %[[T2:.+]] |
| // CHECK: movl %[[T2]], (%[[ARG1]]) |
| // CHECK: movl %[[T1]], (%[[ARG2]]) |
| // CHECK: retq |
| swap(x, y) |
| } |
| |
| // CHECK-LABEL: swap_pair: |
| #[no_mangle] |
| pub fn swap_pair(x: &mut (i32, u32), y: &mut (i32, u32)) { |
| // CHECK: movq (%[[ARG1]]), %[[T1:.+]] |
| // CHECK: movq (%[[ARG2]]), %[[T2:.+]] |
| // CHECK: movq %[[T2]], (%[[ARG1]]) |
| // CHECK: movq %[[T1]], (%[[ARG2]]) |
| // CHECK: retq |
| swap(x, y) |
| } |
| |
| // CHECK-LABEL: swap_str: |
| #[no_mangle] |
| pub fn swap_str<'a>(x: &mut &'a str, y: &mut &'a str) { |
| // CHECK: movups (%[[ARG1]]), %[[T1:xmm.]] |
| // CHECK: movups (%[[ARG2]]), %[[T2:xmm.]] |
| // CHECK: movups %[[T2]], (%[[ARG1]]) |
| // CHECK: movups %[[T1]], (%[[ARG2]]) |
| // CHECK: retq |
| swap(x, y) |
| } |
| |
| // CHECK-LABEL: swap_simd: |
| #[no_mangle] |
| pub fn swap_simd(x: &mut __m128, y: &mut __m128) { |
| // CHECK: movaps (%[[ARG1]]), %[[T1:xmm.]] |
| // CHECK: movaps (%[[ARG2]]), %[[T2:xmm.]] |
| // CHECK: movaps %[[T2]], (%[[ARG1]]) |
| // CHECK: movaps %[[T1]], (%[[ARG2]]) |
| // CHECK: retq |
| swap(x, y) |
| } |
