| //@ assembly-output: emit-asm |
| //@ compile-flags: --target msp430-none-elf |
| //@ needs-llvm-components: msp430 |
| |
| #![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: @sr_clobber |
| // CHECK: call void asm sideeffect "", "~{sr}"() |
| #[no_mangle] |
| pub unsafe fn sr_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: @clobber_abi |
| // CHECK: asm sideeffect "", "={r11},={r12},={r13},={r14},={r15}"() |
| #[no_mangle] |
| pub unsafe fn clobber_abi() { |
| asm!("", clobber_abi("C"), options(nostack, nomem, preserves_flags)); |
| } |
