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u128 truncation and sign extension are not just interpreter related

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oli 2020-11-04 13:41:58 +00:00
parent e67c768110
commit abacaf2aef
18 changed files with 73 additions and 89 deletions
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4
src/librustdoc/clean/utils.rs
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@ -14,7 +14,7 @@ use rustc_data_structures::fx::FxHashSet;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::def_id::{DefId, LOCAL_CRATE};
use rustc_middle::mir::interpret::{sign_extend, ConstValue};
use rustc_middle::mir::interpret::ConstValue;
use rustc_middle::ty::subst::{GenericArgKind, SubstsRef};
use rustc_middle::ty::{self, DefIdTree, Ty};
use rustc_span::symbol::{kw, sym, Symbol};
@ -506,7 +506,7 @@ fn print_const_with_custom_print_scalar(cx: &DocContext<'_>, ct: &'tcx ty::Const
let ty = cx.tcx.lift(ct.ty).unwrap();
let size = cx.tcx.layout_of(ty::ParamEnv::empty().and(ty)).unwrap().size;
let data = int.assert_bits(size);
let sign_extended_data = sign_extend(data, size) as i128;
let sign_extended_data = size.sign_extend(data) as i128;
format!(
"{}{}",