37 lines
1.0 KiB
Rust
37 lines
1.0 KiB
Rust
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//@ assembly-output: emit-asm
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//@ compile-flags: --target arm64ec-pc-windows-msvc
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//@ needs-llvm-components: aarch64
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#![crate_type = "rlib"]
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#![feature(no_core, rustc_attrs, lang_items, asm_experimental_arch)]
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#![no_core]
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#[lang = "sized"]
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trait Sized {}
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#[rustc_builtin_macro]
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macro_rules! asm {
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() => {};
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}
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// CHECK-LABEL: @cc_clobber
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// CHECK: call void asm sideeffect "", "~{cc}"()
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#[no_mangle]
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pub unsafe fn cc_clobber() {
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asm!("", options(nostack, nomem));
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}
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// CHECK-LABEL: @no_clobber
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// CHECK: call void asm sideeffect "", ""()
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#[no_mangle]
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pub unsafe fn no_clobber() {
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asm!("", options(nostack, nomem, preserves_flags));
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}
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// CHECK-LABEL: @clobber_abi
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// CHECK: asm sideeffect "", "={w0},={w1},={w2},={w3},={w4},={w5},={w6},={w7},={w8},={w9},={w10},={w11},={w12},={w15},={w16},={w17},={w30},={q0},={q1},={q2},={q3},={q4},={q5},={q6},={q7},={q8},={q9},={q10},={q11},={q12},={q13},={q14},={q15}"()
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#[no_mangle]
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pub unsafe fn clobber_abi() {
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asm!("", clobber_abi("C"), options(nostack, nomem, preserves_flags));
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}
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