| //@ only-x86_64 |
| //@ revisions: base avx512 |
| //@ [avx512]compile-flags: -C target-feature=+avx512f |
| |
| #![crate_type = "rlib"] |
| |
| use std::arch::asm; |
| |
| // CHECK-LABEL: @amx_clobber |
| // base: call void asm sideeffect inteldialect "", "~{tmm0}"() |
| #[no_mangle] |
| pub unsafe fn amx_clobber() { |
| asm!("", out("tmm0") _, options(nostack, nomem, preserves_flags)); |
| } |
| |
| // CHECK-LABEL: @avx512_clobber |
| // base: call void asm sideeffect inteldialect "", "~{xmm31}"() |
| // avx512: call float asm sideeffect inteldialect "", "=&{xmm31}"() |
| #[no_mangle] |
| pub unsafe fn avx512_clobber() { |
| asm!("", out("zmm31") _, options(nostack, nomem, preserves_flags)); |
| } |
| |
| // CHECK-LABEL: @eax_clobber |
| // CHECK: call i32 asm sideeffect inteldialect "", "=&{ax}"() |
| #[no_mangle] |
| pub unsafe fn eax_clobber() { |
| asm!("", out("eax") _, options(nostack, nomem, preserves_flags)); |
| } |
