| // no-system-llvm |
| // revisions: mips32 mips64 |
| // assembly-output: emit-asm |
| //[mips32] compile-flags: --target mips-unknown-linux-gnu |
| //[mips64] compile-flags: --target mips64-unknown-linux-gnuabi64 |
| // needs-llvm-components: mips |
| |
| #![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! concat { |
| () => {}; |
| } |
| #[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 u8 {} |
| impl Copy for i16 {} |
| impl Copy for i32 {} |
| impl Copy for i64 {} |
| impl Copy for f32 {} |
| impl Copy for f64 {} |
| impl Copy for ptr {} |
| extern "C" { |
| fn extern_func(); |
| static extern_static: u8; |
| } |
| |
| // Hack to avoid function merging |
| extern "Rust" { |
| fn dont_merge(s: &str); |
| } |
| |
| macro_rules! check { ($func:ident, $ty:ty, $class:ident, $mov:literal) => { |
| #[no_mangle] |
| pub unsafe fn $func(x: $ty) -> $ty { |
| dont_merge(stringify!($func)); |
| |
| let y; |
| asm!(concat!($mov," {}, {}"), out($class) y, in($class) x); |
| y |
| } |
| };} |
| |
| macro_rules! check_reg { ($func:ident, $ty:ty, $reg:tt, $mov:literal) => { |
| #[no_mangle] |
| pub unsafe fn $func(x: $ty) -> $ty { |
| dont_merge(stringify!($func)); |
| |
| let y; |
| asm!(concat!($mov, " ", $reg, ", ", $reg), lateout($reg) y, in($reg) x); |
| y |
| } |
| };} |
| |
| // mips32-LABEL: sym_static_32: |
| // mips32: #APP |
| // mips32: lw $3, %got(extern_static) |
| // mips32: #NO_APP |
| #[cfg(mips32)] |
| #[no_mangle] |
| pub unsafe fn sym_static_32() { |
| asm!("lw $v1, {}", sym extern_static); |
| } |
| |
| // mips32-LABEL: sym_fn_32: |
| // mips32: #APP |
| // mips32: lw $3, %got(extern_func) |
| // mips32: #NO_APP |
| #[cfg(mips32)] |
| #[no_mangle] |
| pub unsafe fn sym_fn_32() { |
| asm!("lw $v1, {}", sym extern_func); |
| } |
| |
| // mips64-LABEL: sym_static_64: |
| // mips64: #APP |
| // mips64: ld $3, %got_disp(extern_static) |
| // mips64: #NO_APP |
| #[cfg(mips64)] |
| #[no_mangle] |
| pub unsafe fn sym_static_64() { |
| asm!("ld $v1, {}", sym extern_static); |
| } |
| |
| // mips64-LABEL: sym_fn_64: |
| // mips64: #APP |
| // mips64: ld $3, %got_disp(extern_func) |
| // mips64: #NO_APP |
| #[cfg(mips64)] |
| #[no_mangle] |
| pub unsafe fn sym_fn_64() { |
| asm!("ld $v1, {}", sym extern_func); |
| } |
| |
| // CHECK-LABEL: reg_f32: |
| // CHECK: #APP |
| // CHECK: mov.s $f{{[0-9]+}}, $f{{[0-9]+}} |
| // CHECK: #NO_APP |
| check!(reg_f32, f32, freg, "mov.s"); |
| |
| // CHECK-LABEL: f0_f32: |
| // CHECK: #APP |
| // CHECK: mov.s $f0, $f0 |
| // CHECK: #NO_APP |
| #[no_mangle] |
| check_reg!(f0_f32, f32, "$f0", "mov.s"); |
| |
| // CHECK-LABEL: reg_f32_64: |
| // CHECK: #APP |
| // CHECK: mov.d $f{{[0-9]+}}, $f{{[0-9]+}} |
| // CHECK: #NO_APP |
| check!(reg_f32_64, f32, freg, "mov.d"); |
| |
| // CHECK-LABEL: f0_f32_64: |
| // CHECK: #APP |
| // CHECK: mov.d $f0, $f0 |
| // CHECK: #NO_APP |
| #[no_mangle] |
| check_reg!(f0_f32_64, f32, "$f0", "mov.d"); |
| |
| // CHECK-LABEL: reg_f64: |
| // CHECK: #APP |
| // CHECK: mov.d $f{{[0-9]+}}, $f{{[0-9]+}} |
| // CHECK: #NO_APP |
| #[no_mangle] |
| check!(reg_f64, f64, freg, "mov.d"); |
| |
| // CHECK-LABEL: f0_f64: |
| // CHECK: #APP |
| // CHECK: mov.d $f0, $f0 |
| // CHECK: #NO_APP |
| #[no_mangle] |
| check_reg!(f0_f64, f64, "$f0", "mov.d"); |
| |
| // CHECK-LABEL: reg_ptr: |
| // CHECK: #APP |
| // CHECK: move ${{[0-9]+}}, ${{[0-9]+}} |
| // CHECK: #NO_APP |
| check!(reg_ptr, ptr, reg, "move"); |
| |
| // CHECK-LABEL: reg_i32: |
| // CHECK: #APP |
| // CHECK: move ${{[0-9]+}}, ${{[0-9]+}} |
| // CHECK: #NO_APP |
| check!(reg_i32, i32, reg, "move"); |
| |
| // CHECK-LABEL: reg_f32_soft: |
| // CHECK: #APP |
| // CHECK: move ${{[0-9]+}}, ${{[0-9]+}} |
| // CHECK: #NO_APP |
| check!(reg_f32_soft, f32, reg, "move"); |
| |
| // mips64-LABEL: reg_f64_soft: |
| // mips64: #APP |
| // mips64: move ${{[0-9]+}}, ${{[0-9]+}} |
| // mips64: #NO_APP |
| #[cfg(mips64)] |
| check!(reg_f64_soft, f64, reg, "move"); |
| |
| // CHECK-LABEL: reg_i8: |
| // CHECK: #APP |
| // CHECK: move ${{[0-9]+}}, ${{[0-9]+}} |
| // CHECK: #NO_APP |
| check!(reg_i8, i8, reg, "move"); |
| |
| // CHECK-LABEL: reg_u8: |
| // CHECK: #APP |
| // CHECK: move ${{[0-9]+}}, ${{[0-9]+}} |
| // CHECK: #NO_APP |
| check!(reg_u8, u8, reg, "move"); |
| |
| // CHECK-LABEL: reg_i16: |
| // CHECK: #APP |
| // CHECK: move ${{[0-9]+}}, ${{[0-9]+}} |
| // CHECK: #NO_APP |
| check!(reg_i16, i16, reg, "move"); |
| |
| // mips64-LABEL: reg_i64: |
| // mips64: #APP |
| // mips64: move ${{[0-9]+}}, ${{[0-9]+}} |
| // mips64: #NO_APP |
| #[cfg(mips64)] |
| check!(reg_i64, i64, reg, "move"); |
| |
| // CHECK-LABEL: r8_ptr: |
| // CHECK: #APP |
| // CHECK: move $8, $8 |
| // CHECK: #NO_APP |
| check_reg!(r8_ptr, ptr, "$8", "move"); |
| |
| // CHECK-LABEL: r8_i32: |
| // CHECK: #APP |
| // CHECK: move $8, $8 |
| // CHECK: #NO_APP |
| check_reg!(r8_i32, i32, "$8", "move"); |
| |
| // CHECK-LABEL: r8_f32: |
| // CHECK: #APP |
| // CHECK: move $8, $8 |
| // CHECK: #NO_APP |
| check_reg!(r8_f32, f32, "$8", "move"); |
| |
| // CHECK-LABEL: r8_i8: |
| // CHECK: #APP |
| // CHECK: move $8, $8 |
| // CHECK: #NO_APP |
| check_reg!(r8_i8, i8, "$8", "move"); |
| |
| // CHECK-LABEL: r8_u8: |
| // CHECK: #APP |
| // CHECK: move $8, $8 |
| // CHECK: #NO_APP |
| check_reg!(r8_u8, u8, "$8", "move"); |
| |
| // CHECK-LABEL: r8_i16: |
| // CHECK: #APP |
| // CHECK: move $8, $8 |
| // CHECK: #NO_APP |
| check_reg!(r8_i16, i16, "$8", "move"); |