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Diffstat (limited to 'tests/assembly/asm/s390x-types.rs')
| -rw-r--r-- | tests/assembly/asm/s390x-types.rs | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/tests/assembly/asm/s390x-types.rs b/tests/assembly/asm/s390x-types.rs new file mode 100644 index 000000000..2fb404dd9 --- /dev/null +++ b/tests/assembly/asm/s390x-types.rs @@ -0,0 +1,167 @@ +// revisions: s390x +// assembly-output: emit-asm +//[s390x] compile-flags: --target s390x-unknown-linux-gnu +//[s390x] needs-llvm-components: systemz + +#![feature(no_core, lang_items, rustc_attrs, repr_simd, asm_experimental_arch)] +#![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 + } +};} + +// CHECK-LABEL: sym_fn_32: +// CHECK: #APP +// CHECK: brasl %r14, extern_func +// CHECK: #NO_APP +#[cfg(s390x)] +#[no_mangle] +pub unsafe fn sym_fn_32() { + asm!("brasl %r14, {}", sym extern_func); +} + +// CHECK-LABEL: sym_static: +// CHECK: #APP +// CHECK: brasl %r14, extern_static +// CHECK: #NO_APP +#[no_mangle] +pub unsafe fn sym_static() { + asm!("brasl %r14, {}", sym extern_static); +} + +// CHECK-LABEL: reg_i8: +// CHECK: #APP +// CHECK: lgr %r{{[0-9]+}}, %r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i8, i8, reg, "lgr"); + +// CHECK-LABEL: reg_i16: +// CHECK: #APP +// CHECK: lgr %r{{[0-9]+}}, %r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i16, i16, reg, "lgr"); + +// CHECK-LABEL: reg_i32: +// CHECK: #APP +// CHECK: lgr %r{{[0-9]+}}, %r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i32, i32, reg, "lgr"); + +// CHECK-LABEL: reg_i64: +// CHECK: #APP +// CHECK: lgr %r{{[0-9]+}}, %r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i64, i64, reg, "lgr"); + +// CHECK-LABEL: reg_f32: +// CHECK: #APP +// CHECK: ler %f{{[0-9]+}}, %f{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_f32, f32, freg, "ler"); + +// CHECK-LABEL: reg_f64: +// CHECK: #APP +// CHECK: ldr %f{{[0-9]+}}, %f{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_f64, f64, freg, "ldr"); + +// CHECK-LABEL: reg_ptr: +// CHECK: #APP +// CHECK: lgr %r{{[0-9]+}}, %r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_ptr, ptr, reg, "lgr"); + +// CHECK-LABEL: r0_i8: +// CHECK: #APP +// CHECK: lr %r0, %r0 +// CHECK: #NO_APP +check_reg!(r0_i8, i8, "r0", "lr"); + +// CHECK-LABEL: r0_i16: +// CHECK: #APP +// CHECK: lr %r0, %r0 +// CHECK: #NO_APP +check_reg!(r0_i16, i16, "r0", "lr"); + +// CHECK-LABEL: r0_i32: +// CHECK: #APP +// CHECK: lr %r0, %r0 +// CHECK: #NO_APP +check_reg!(r0_i32, i32, "r0", "lr"); + +// CHECK-LABEL: r0_i64: +// CHECK: #APP +// CHECK: lr %r0, %r0 +// CHECK: #NO_APP +check_reg!(r0_i64, i64, "r0", "lr"); + +// CHECK-LABEL: f0_f32: +// CHECK: #APP +// CHECK: ler %f0, %f0 +// CHECK: #NO_APP +check_reg!(f0_f32, f32, "f0", "ler"); + +// CHECK-LABEL: f0_f64: +// CHECK: #APP +// CHECK: ldr %f0, %f0 +// CHECK: #NO_APP +check_reg!(f0_f64, f64, "f0", "ldr"); |