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Try to fix some things

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* shift so that no panics are generated (otherwise results in linker error)
* no_std as insurance to not get into issues with errors like "cannot satisfy dependencies so `rustc_i128` only shows up once" (pure guessing here, but it doesn't hurt...)
This commit is contained in:
est31 2016-12-06 00:48:54 +01:00
parent 317810d4c4
commit 3e2046214c
2 changed files with 3 additions and 2 deletions
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4
src/libcompiler_builtins/lib.rs
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@ -74,7 +74,7 @@ pub mod reimpls {
($a: expr, $b: expr, $ty:ty) => {{
let (a, b) = ($a, $b);
let bits = (::core::mem::size_of::<$ty>() * 8) as $ty;
let half_bits = bits / 2;
let half_bits = bits >> 1;
if b & half_bits != 0 {
<$ty>::from_parts((a.high() >> (b - half_bits)) as <$ty as LargeInt>::LowHalf,
a.high() >> (half_bits - 1))
@ -97,7 +97,7 @@ pub mod reimpls {
($a: expr, $b: expr, $ty:ty) => {{
let (a, b) = ($a, $b);
let bits = (::core::mem::size_of::<$ty>() * 8) as $ty;
let half_bits = bits / 2;
let half_bits = bits >> 1;
if b & half_bits != 0 {
<$ty>::from_parts(a.high() >> (b - half_bits), 0)
} else if b == 0 {

1
src/librustc_i128/lib.rs
View file

@ -9,6 +9,7 @@
// except according to those terms.
#![allow(non_camel_case_types)]
#![cfg_attr(not(stage0), feature(i128_type))]
#![no_std]
#![crate_type="rlib"]
#![crate_name="rustc_i128"]