| //@ revisions: s390x |
| //@[s390x] compile-flags: --target s390x-unknown-linux-gnu |
| //@[s390x] needs-llvm-components: systemz |
| |
| #![crate_type = "rlib"] |
| #![feature(no_core, rustc_attrs, lang_items, asm_experimental_arch)] |
| #![no_core] |
| |
| #[lang = "sized"] |
| trait Sized {} |
| |
| #[rustc_builtin_macro] |
| macro_rules! asm { |
| () => {}; |
| } |
| |
| // CHECK-LABEL: @cc_clobber |
| // CHECK: call void asm sideeffect "", "~{cc}"() |
| #[no_mangle] |
| pub unsafe fn cc_clobber() { |
| asm!("", options(nostack, nomem)); |
| } |
| |
| // CHECK-LABEL: @no_clobber |
| // CHECK: call void asm sideeffect "", ""() |
| #[no_mangle] |
| pub unsafe fn no_clobber() { |
| asm!("", options(nostack, nomem, preserves_flags)); |
| } |
| |
| // CHECK-LABEL: @a2_clobber |
| // CHECK: call void asm sideeffect "", "~{a2}"() |
| #[no_mangle] |
| pub unsafe fn a2_clobber() { |
| asm!("", out("a2") _, options(nostack, nomem, preserves_flags)); |
| } |
| |
| // CHECK-LABEL: @v0_clobber |
| // CHECK: call void asm sideeffect "", "~{v0}"() |
| #[no_mangle] |
| pub unsafe fn v0_clobber() { |
| asm!("", out("v0") _, options(nostack, nomem, preserves_flags)); |
| } |
| |
| // CHECK-LABEL: @clobber_abi |
| // CHECK: asm sideeffect "", "={r0},={r1},={r2},={r3},={r4},={r5},={r14},={f0},={f1},={f2},={f3},={f4},={f5},={f6},={f7},~{v0},~{v1},~{v2},~{v3},~{v4},~{v5},~{v6},~{v7},~{v8},~{v9},~{v10},~{v11},~{v12},~{v13},~{v14},~{v15},~{v16},~{v17},~{v18},~{v19},~{v20},~{v21},~{v22},~{v23},~{v24},~{v25},~{v26},~{v27},~{v28},~{v29},~{v30},~{v31},~{a2},~{a3},~{a4},~{a5},~{a6},~{a7},~{a8},~{a9},~{a10},~{a11},~{a12},~{a13},~{a14},~{a15}"() |
| #[no_mangle] |
| pub unsafe fn clobber_abi() { |
| asm!("", clobber_abi("C"), options(nostack, nomem, preserves_flags)); |
| } |
