| // no-system-llvm |
| // assembly-output: emit-asm |
| // compile-flags: --target hexagon-unknown-linux-musl |
| |
| #![feature(no_core, lang_items, rustc_attrs, repr_simd)] |
| #![crate_type = "rlib"] |
| #![no_core] |
| #![allow(asm_sub_register, non_camel_case_types)] |
| |
| #[rustc_builtin_macro] |
| macro_rules! asm { |
| () => {}; |
| } |
| #[rustc_builtin_macro] |
| macro_rules! stringify { |
| () => {}; |
| } |
| |
| #[lang = "sized"] |
| trait Sized {} |
| #[lang = "copy"] |
| trait Copy {} |
| |
| type ptr = *const i32; |
| |
| impl Copy for i8 {} |
| impl Copy for i16 {} |
| impl Copy for i32 {} |
| impl Copy for f32 {} |
| impl Copy for ptr {} |
| extern "C" { |
| fn extern_func(); |
| static extern_static: u8; |
| } |
| |
| macro_rules! check { |
| ($func:ident $ty:ident $class:ident) => { |
| #[no_mangle] |
| pub unsafe fn $func(x: $ty) -> $ty { |
| // Hack to avoid function merging |
| extern "Rust" { |
| fn dont_merge(s: &str); |
| } |
| dont_merge(stringify!($func)); |
| |
| let y; |
| asm!("{} = {}", out($class) y, in($class) x); |
| y |
| } |
| }; |
| } |
| |
| // CHECK-LABEL: sym_static: |
| // CHECK: InlineAsm Start |
| // CHECK: r0 = #extern_static |
| // CHECK: InlineAsm End |
| #[no_mangle] |
| pub unsafe fn sym_static() { |
| // Hack to avoid function merging |
| extern "Rust" { |
| fn dont_merge(s: &str); |
| } |
| dont_merge(stringify!($func)); |
| |
| asm!("r0 = #{}", sym extern_static); |
| } |
| |
| // CHECK-LABEL: sym_fn: |
| // CHECK: InlineAsm Start |
| // CHECK: r0 = #extern_func |
| // CHECK: InlineAsm End |
| #[no_mangle] |
| pub unsafe fn sym_fn() { |
| // Hack to avoid function merging |
| extern "Rust" { |
| fn dont_merge(s: &str); |
| } |
| dont_merge(stringify!($func)); |
| |
| asm!("r0 = #{}", sym extern_func); |
| } |
| |
| // This is a test for multi-instruction packets, |
| // which require the escaped braces. |
| // |
| // CHECK-LABEL: packet: |
| // CHECK: InlineAsm Start |
| // CHECK: { |
| // CHECK: r{{[0-9]+}} = r0 |
| // CHECK: memw(r1) = r{{[0-9]+}} |
| // CHECK: } |
| // CHECK: InlineAsm End |
| #[no_mangle] |
| pub unsafe fn packet() { |
| let val = 1024; |
| asm!("{{ |
| {} = r0 |
| memw(r1) = {} |
| }}", out(reg) _, in(reg) &val); |
| } |
| |
| // CHECK-LABEL: ptr: |
| // CHECK: InlineAsm Start |
| // CHECK: r{{[0-9]+}} = r{{[0-9]+}} |
| // CHECK: InlineAsm End |
| check!(reg_ptr ptr reg); |
| |
| // CHECK-LABEL: reg_f32: |
| // CHECK: InlineAsm Start |
| // CHECK: r{{[0-9]+}} = r{{[0-9]+}} |
| // CHECK: InlineAsm End |
| check!(reg_f32 f32 reg); |
| |
| // CHECK-LABEL: reg_i32: |
| // CHECK: InlineAsm Start |
| // CHECK: r{{[0-9]+}} = r{{[0-9]+}} |
| // CHECK: InlineAsm End |
| check!(reg_i32 i32 reg); |
| |
| // CHECK-LABEL: reg_i8: |
| // CHECK: InlineAsm Start |
| // CHECK: r{{[0-9]+}} = r{{[0-9]+}} |
| // CHECK: InlineAsm End |
| check!(reg_i8 i8 reg); |
| |
| // CHECK-LABEL: reg_i16: |
| // CHECK: InlineAsm Start |
| // CHECK: r{{[0-9]+}} = r{{[0-9]+}} |
| // CHECK: InlineAsm End |
| check!(reg_i16 i16 reg); |