From 3743618c13d9f4afb06c9778b05b75e879b6919c Mon Sep 17 00:00:00 2001 From: Taiki Endo Date: Sun, 6 Oct 2024 08:14:44 +0900 Subject: Support clobber_abi in MSP430 inline assembly --- tests/codegen/asm-msp430-clobbers.rs | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 tests/codegen/asm-msp430-clobbers.rs (limited to 'tests/codegen') diff --git a/tests/codegen/asm-msp430-clobbers.rs b/tests/codegen/asm-msp430-clobbers.rs new file mode 100644 index 00000000000..c00c04f3088 --- /dev/null +++ b/tests/codegen/asm-msp430-clobbers.rs @@ -0,0 +1,36 @@ +//@ 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)); +} -- cgit 1.4.1-3-g733a5