M-Labs/compiler-builtins-zynq
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Remove the absv implementation, it isn't needed by Rust

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This commit is contained in:
Amanieu d'Antras 2016-08-11 08:18:06 +01:00
parent d546f18756
commit 0a0a8f37c9
2 changed files with 0 additions and 44 deletions
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20
src/lib.rs
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@ -118,23 +118,3 @@ impl IndexMut<RangeFull> for U64 {
unsafe { &mut *(self as *const _ as *mut u64) }
}
}
macro_rules! absv_i2 {
($intrinsic:ident : $ty:ty) => {
#[no_mangle]
pub extern "C" fn $intrinsic(x: $ty) -> $ty {
let n = <$ty>::bits();
if x == 1 << (n - 1) {
panic!();
}
let y = x >> (n - 1);
(x ^ y) - y
}
}
}
absv_i2!(__absvsi2: i32);
absv_i2!(__absvdi2: i64);
// TODO(rust-lang/35118)?
// absv_i2!(__absvti2, i128);

24
src/test.rs
View File

@ -2,30 +2,6 @@ use std::panic;
use quickcheck::TestResult;
macro_rules! absv_i2 {
($intrinsic:ident: $ty:ident) => {
#[test]
fn $intrinsic() {
assert!(panic::catch_unwind(|| ::$intrinsic(::std::$ty::MIN)).is_err());
assert_eq!(::$intrinsic(::std::$ty::MIN + 1), ::std::$ty::MAX);
assert_eq!(::$intrinsic(::std::$ty::MIN + 2), ::std::$ty::MAX - 1);
assert_eq!(::$intrinsic(-1), 1);
assert_eq!(::$intrinsic(-2), 2);
assert_eq!(::$intrinsic(0), 0);
assert_eq!(::$intrinsic(1), 1);
assert_eq!(::$intrinsic(2), 2);
assert_eq!(::$intrinsic(2), 2);
assert_eq!(::$intrinsic(::std::$ty::MAX - 1), ::std::$ty::MAX - 1);
assert_eq!(::$intrinsic(::std::$ty::MAX), ::std::$ty::MAX);
}
}
}
absv_i2!(__absvsi2: i32);
absv_i2!(__absvdi2: i64);
// TODO(rust-lang/35118)?
// absv_i2!(__absvti2: i128);
quickcheck! {
fn udivmoddi4(n: (u32, u32), d: (u32, u32)) -> TestResult {
let n = ::U64 { low: n.0, high: n.1 }[..];