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This commit is contained in:
The Miri Cronjob Bot 2024-05-24 05:05:00 +00:00
parent debf88ae1a
commit 4763eaf066
1 changed files with 7 additions and 2 deletions
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9
src/tools/miri/src/shims/x86/mod.rs
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@ -79,9 +79,14 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>:
let a = this.read_immediate(a)?;
let b = this.read_immediate(b)?;
let (sub, overflow1) = this.binary_op(mir::BinOp::SubWithOverflow, &a, &b)?.to_pair(this);
let (sub, overflow1) =
this.binary_op(mir::BinOp::SubWithOverflow, &a, &b)?.to_pair(this);
let (sub, overflow2) = this
.binary_op(mir::BinOp::SubWithOverflow, &sub, &ImmTy::from_uint(b_in, a.layout))?
.binary_op(
mir::BinOp::SubWithOverflow,
&sub,
&ImmTy::from_uint(b_in, a.layout),
)?
.to_pair(this);
let b_out = overflow1.to_scalar().to_bool()? | overflow2.to_scalar().to_bool()?;