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author | bors <bors@rust-lang.org> | 2023-04-25 09:18:58 +0000 |
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committer | bors <bors@rust-lang.org> | 2023-04-25 09:18:58 +0000 |
commit | 999e6e5afb71d0fa6b5f67440278129aca12c67d (patch) | |
tree | dd2797c33140555958f96ea8a2e473916aae575e /tests | |
parent | 91b61a4ad618c1abc2af43a58695de185ef1e513 (diff) | |
parent | 5f2fa4c11de4f4377cdaa00dea5c586c30ccde67 (diff) | |
download | rust-999e6e5afb71d0fa6b5f67440278129aca12c67d.tar.gz |
Auto merge of #101069 - zhaixiaojuan:loongarch64-inline-asm, r=Amanieu
Add loongarch64 asm! support
Diffstat (limited to 'tests')
-rw-r--r-- | tests/assembly/asm/loongarch-type.rs | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/tests/assembly/asm/loongarch-type.rs b/tests/assembly/asm/loongarch-type.rs new file mode 100644 index 00000000000..4e296f3ade5 --- /dev/null +++ b/tests/assembly/asm/loongarch-type.rs @@ -0,0 +1,196 @@ +// min-llvm-version: 16.0 +// assembly-output: emit-asm +// compile-flags: --target loongarch64-unknown-linux-gnu +// needs-llvm-components: loongarch + +#![feature(no_core, lang_items, rustc_attrs, 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 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); +} + +// CHECK-LABEL: sym_fn: +// CHECK: #APP +// CHECK: pcalau12i $t0, %got_pc_hi20(extern_func) +// CHECK: ld.d $t0, $t0, %got_pc_lo12(extern_func) +// CHECK: #NO_APP +#[no_mangle] +pub unsafe fn sym_fn() { + asm!("la.got $r12, {}", sym extern_func); +} + +// CHECK-LABEL: sym_static: +// CHECK: #APP +// CHECK: pcalau12i $t0, %got_pc_hi20(extern_static) +// CHECK: ld.d $t0, $t0, %got_pc_lo12(extern_static) +// CHECK: #NO_APP +#[no_mangle] +pub unsafe fn sym_static() { + asm!("la.got $r12, {}", sym extern_static); +} + +macro_rules! check { ($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: reg_i8: +// CHECK: #APP +// CHECK: move ${{[a-z0-9]+}}, ${{[a-z0-9]+}} +// CHECK: #NO_APP +check!(reg_i8, i8, reg, "move"); + +// CHECK-LABEL: reg_i16: +// CHECK: #APP +// CHECK: move ${{[a-z0-9]+}}, ${{[a-z0-9]+}} +// CHECK: #NO_APP +check!(reg_i16, i16, reg, "move"); + +// CHECK-LABEL: reg_i32: +// CHECK: #APP +// CHECK: move ${{[a-z0-9]+}}, ${{[a-z0-9]+}} +// CHECK: #NO_APP +check!(reg_i32, i32, reg, "move"); + +// CHECK-LABEL: reg_f32: +// CHECK: #APP +// CHECK: move ${{[a-z0-9]+}}, ${{[a-z0-9]+}} +// CHECK: #NO_APP +check!(reg_f32, f32, reg, "move"); + +// CHECK-LABEL: reg_i64: +// CHECK: #APP +// CHECK: move ${{[a-z0-9]+}}, ${{[a-z0-9]+}} +// CHECK: #NO_APP +check!(reg_i64, i64, reg, "move"); + +// CHECK-LABEL: reg_f64: +// CHECK: #APP +// CHECK: move ${{[a-z0-9]+}}, ${{[a-z0-9]+}} +// CHECK: #NO_APP +check!(reg_f64, f64, reg, "move"); + +// CHECK-LABEL: reg_ptr: +// CHECK: #APP +// CHECK: move ${{[a-z0-9]+}}, ${{[a-z0-9]+}} +// CHECK: #NO_APP +check!(reg_ptr, ptr, reg, "move"); + +// CHECK-LABEL: freg_f32: +// CHECK: #APP +// CHECK: fmov.s $f{{[a-z0-9]+}}, $f{{[a-z0-9]+}} +// CHECK: #NO_APP +check!(freg_f32, f32, freg, "fmov.s"); + +// CHECK-LABEL: freg_f64: +// CHECK: #APP +// CHECK: fmov.d $f{{[a-z0-9]+}}, $f{{[a-z0-9]+}} +// CHECK: #NO_APP +check!(freg_f64, f64, freg, "fmov.d"); + +// CHECK-LABEL: r4_i8: +// CHECK: #APP +// CHECK: move $a0, $a0 +// CHECK: #NO_APP +check_reg!(r4_i8, i8, "$r4", "move"); + +// CHECK-LABEL: r4_i16: +// CHECK: #APP +// CHECK: move $a0, $a0 +// CHECK: #NO_APP +check_reg!(r4_i16, i16, "$r4", "move"); + +// CHECK-LABEL: r4_i32: +// CHECK: #APP +// CHECK: move $a0, $a0 +// CHECK: #NO_APP +check_reg!(r4_i32, i32, "$r4", "move"); + +// CHECK-LABEL: r4_f32: +// CHECK: #APP +// CHECK: move $a0, $a0 +// CHECK: #NO_APP +check_reg!(r4_f32, f32, "$r4", "move"); + +// CHECK-LABEL: r4_i64: +// CHECK: #APP +// CHECK: move $a0, $a0 +// CHECK: #NO_APP +check_reg!(r4_i64, i64, "$r4", "move"); + +// CHECK-LABEL: r4_f64: +// CHECK: #APP +// CHECK: move $a0, $a0 +// CHECK: #NO_APP +check_reg!(r4_f64, f64, "$r4", "move"); + +// CHECK-LABEL: r4_ptr: +// CHECK: #APP +// CHECK: move $a0, $a0 +// CHECK: #NO_APP +check_reg!(r4_ptr, ptr, "$r4", "move"); + +// CHECK-LABEL: f0_f32: +// CHECK: #APP +// CHECK: fmov.s $f{{[a-z0-9]+}}, $f{{[a-z0-9]+}} +// CHECK: #NO_APP +check_reg!(f0_f32, f32, "$f0", "fmov.s"); + +// CHECK-LABEL: f0_f64: +// CHECK: #APP +// CHECK: fmov.d $f{{[a-z0-9]+}}, $f{{[a-z0-9]+}} +// CHECK: #NO_APP +check_reg!(f0_f64, f64, "$f0", "fmov.d"); |