| //@ add-core-stubs |
| //@ assembly-output: emit-asm |
| //@ compile-flags: --target avr-none -C target-cpu=atmega328p |
| //@ needs-llvm-components: avr |
| |
| #![crate_type = "rlib"] |
| #![feature(no_core, asm_experimental_arch)] |
| #![no_core] |
| |
| extern crate minicore; |
| use minicore::*; |
| |
| // CHECK-LABEL: @sreg_is_clobbered |
| // CHECK: void asm sideeffect "", "~{sreg}"() |
| #[no_mangle] |
| pub unsafe fn sreg_is_clobbered() { |
| asm!("", options(nostack, nomem)); |
| } |
| |
| // CHECK-LABEL: @sreg_is_not_clobbered_if_preserve_flags_is_used |
| // CHECK: void asm sideeffect "", ""() |
| #[no_mangle] |
| pub unsafe fn sreg_is_not_clobbered_if_preserve_flags_is_used() { |
| asm!("", options(nostack, nomem, preserves_flags)); |
| } |
| |
| // CHECK-LABEL: @clobber_abi |
| // CHECK: asm sideeffect "", "={r18},={r19},={r20},={r21},={r22},={r23},={r24},={r25},={r26},={r27},={r30},={r31},~{sreg}"() |
| #[no_mangle] |
| pub unsafe fn clobber_abi() { |
| asm!("", clobber_abi("C"), options(nostack, nomem)); |
| } |
| |
| // CHECK-LABEL: @clobber_abi_with_preserved_flags |
| // CHECK: asm sideeffect "", "={r18},={r19},={r20},={r21},={r22},={r23},={r24},={r25},={r26},={r27},={r30},={r31}"() |
| #[no_mangle] |
| pub unsafe fn clobber_abi_with_preserved_flags() { |
| asm!("", clobber_abi("C"), options(nostack, nomem, preserves_flags)); |
| } |
