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use cfg_select! to pick assembly in codegen test #148881

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use cfg_select! to pick assembly in codegen test #148881

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49 changes: 26 additions & 23 deletions tests/codegen-llvm/naked-fn/naked-functions.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -62,11 +62,14 @@ use minicore::*;
#[no_mangle]
#[unsafe(naked)]
pub extern "C" fn naked_empty() {
#[cfg(not(all(target_arch = "arm", target_feature = "thumb-mode")))]
naked_asm!("ret");

#[cfg(all(target_arch = "arm", target_feature = "thumb-mode"))]
naked_asm!("bx lr");
cfg_select! {
all(target_arch = "arm", target_feature = "thumb-mode") => {
naked_asm!("bx lr");
}
_ => {
naked_asm!("ret");
}
}
}

// linux,win: .intel_syntax
Expand Down Expand Up @@ -116,19 +119,16 @@ pub extern "C" fn naked_empty() {
#[no_mangle]
#[unsafe(naked)]
pub extern "C" fn naked_with_args_and_return(a: isize, b: isize) -> isize {
#[cfg(any(target_os = "windows", target_os = "linux"))]
{
naked_asm!("lea rax, [rdi + rsi]", "ret")
}

#[cfg(target_os = "macos")]
{
naked_asm!("add x0, x0, x1", "ret")
}

#[cfg(all(target_arch = "arm", target_feature = "thumb-mode"))]
{
naked_asm!("adds r0, r0, r1", "bx lr")
cfg_select! {
any(target_arch = "x86_64", target_arch = "x86") => {
naked_asm!("lea rax, [rdi + rsi]", "ret")
}
target_arch = "aarch64" => {
naked_asm!("add x0, x0, x1", "ret")
}
all(target_arch = "arm", target_feature = "thumb-mode") => {
naked_asm!("adds r0, r0, r1", "bx lr")
}
}
}

Expand All @@ -141,11 +141,14 @@ pub extern "C" fn naked_with_args_and_return(a: isize, b: isize) -> isize {
#[unsafe(naked)]
#[link_section = ".text.some_different_name"]
pub extern "C" fn test_link_section() {
#[cfg(not(all(target_arch = "arm", target_feature = "thumb-mode")))]
naked_asm!("ret");

#[cfg(all(target_arch = "arm", target_feature = "thumb-mode"))]
naked_asm!("bx lr");
cfg_select! {
all(target_arch = "arm", target_feature = "thumb-mode") => {
naked_asm!("bx lr");
}
_ => {
naked_asm!("ret");
}
}
}

// win_x86: .def fastcall_cc
Expand Down
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