Add asm! support for mips64

This commit is contained in:
Lzu Tao 2020-10-04 07:29:25 +00:00
parent 6cb062dacf
commit 79f477bb1f
5 changed files with 119 additions and 83 deletions

View file

@ -1,6 +1,8 @@
// no-system-llvm
// revisions: mips32 mips64
// assembly-output: emit-asm
// compile-flags: --target mips-unknown-linux-gnu
//[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)]
@ -32,7 +34,9 @@ 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();
@ -44,168 +48,190 @@ extern "Rust" {
fn dont_merge(s: &str);
}
macro_rules! check { ($func:ident, $ty:ty, $class:ident) => {
macro_rules! check { ($func:ident, $ty:ty, $class:ident, $mov:literal) => {
#[no_mangle]
pub unsafe fn $func(x: $ty) -> $ty {
dont_merge(stringify!($func));
let y;
asm!("move {}, {}", out($class) y, in($class) x);
asm!(concat!($mov," {}, {}"), out($class) y, in($class) x);
y
}
};}
macro_rules! check_reg { ($func:ident, $ty:ty, $reg:tt) => {
macro_rules! check_reg { ($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!("move ", $reg, ", ", $reg), lateout($reg) y, in($reg) x);
asm!(concat!($mov, " ", $reg, ", ", $reg), lateout($reg) y, in($reg) x);
y
}
};}
// CHECK-LABEL: sym_static:
// CHECK: #APP
// CHECK: lw $3, %got(extern_static)
// CHECK: #NO_APP
// 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() {
asm!("la $v1, {}", sym extern_static);
pub unsafe fn sym_static_32() {
asm!("lw $v1, {}", sym extern_static);
}
// CHECK-LABEL: sym_fn:
// CHECK: #APP
// CHECK: lw $3, %got(extern_func)
// CHECK: #NO_APP
// 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() {
asm!("la $v1, {}", sym extern_func);
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
#[no_mangle]
pub unsafe fn reg_f32(x: f32) -> f32 {
dont_merge("reg_f32");
let y;
asm!("mov.s {}, {}", out(freg) y, in(freg) x);
y
}
check!(reg_f32, f32, freg, "mov.s");
// CHECK-LABEL: f0_f32:
// CHECK: #APP
// CHECK: mov.s $f0, $f0
// CHECK: #NO_APP
#[no_mangle]
pub unsafe fn f0_f32(x: f32) -> f32 {
dont_merge("f0_f32");
let y;
asm!("mov.s $f0, $f0", lateout("$f0") y, in("$f0") x);
y
}
check_reg!(f0_f32, f32, "$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]
pub unsafe fn reg_f64(x: f64) -> f64 {
dont_merge("reg_f64");
let y;
asm!("mov.d {}, {}", out(freg) y, in(freg) x);
y
}
check!(reg_f64, f64, freg, "mov.d");
// CHECK-LABEL: f0_f64:
// CHECK: #APP
// CHECK: mov.d $f0, $f0
// CHECK: #NO_APP
#[no_mangle]
pub unsafe fn f0_f64(x: f64) -> f64 {
dont_merge("f0_f64");
let y;
asm!("mov.d $f0, $f0", lateout("$f0") y, in("$f0") x);
y
}
check_reg!(f0_f64, f64, "$f0", "mov.d");
// CHECK-LABEL: reg_ptr:
// CHECK: #APP
// CHECK: move ${{[0-9]+}}, ${{[0-9]+}}
// CHECK: #NO_APP
check!(reg_ptr, ptr, reg);
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);
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);
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);
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);
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);
check!(reg_i16, i16, reg, "move");
// CHECK-LABEL: t0_ptr:
// 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, $8
// CHECK: #NO_APP
check_reg!(t0_ptr, ptr, "$t0");
check_reg!(r8_ptr, ptr, "$8", "move");
// CHECK-LABEL: t0_i32:
// CHECK-LABEL: r8_i32:
// CHECK: #APP
// CHECK: move $8, $8
// CHECK: #NO_APP
check_reg!(t0_i32, i32, "$t0");
check_reg!(r8_i32, i32, "$8", "move");
// CHECK-LABEL: t0_f32:
// CHECK-LABEL: r8_f32:
// CHECK: #APP
// CHECK: move $8, $8
// CHECK: #NO_APP
check_reg!(t0_f32, f32, "$t0");
check_reg!(r8_f32, f32, "$8", "move");
// CHECK-LABEL: t0_i8:
// CHECK-LABEL: r8_i8:
// CHECK: #APP
// CHECK: move $8, $8
// CHECK: #NO_APP
check_reg!(t0_i8, i8, "$t0");
check_reg!(r8_i8, i8, "$8", "move");
// CHECK-LABEL: t0_u8:
// CHECK-LABEL: r8_u8:
// CHECK: #APP
// CHECK: move $8, $8
// CHECK: #NO_APP
check_reg!(t0_u8, u8, "$t0");
// CHECK-LABEL: t0_i16:
// CHECK: #APP
// CHECK: move $8, $8
// CHECK: #NO_APP
check_reg!(t0_i16, i16, "$t0");
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");
check_reg!(r8_i16, i16, "$8", "move");