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This commit is contained in:
Oli Scherer 2022-09-10 13:56:05 +00:00
parent ef3f649e49
commit e91db9f03c
3 changed files with 8 additions and 11 deletions
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13
src/shims/intrinsics/mod.rs
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@ -75,17 +75,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
match intrinsic_name {
// Miri overwriting CTFE intrinsics.
"ptr_guaranteed_eq" => {
"ptr_guaranteed_cmp" => {
let [left, right] = check_arg_count(args)?;
let left = this.read_immediate(left)?;
let right = this.read_immediate(right)?;
this.binop_ignore_overflow(mir::BinOp::Eq, &left, &right, dest)?;
}
"ptr_guaranteed_ne" => {
let [left, right] = check_arg_count(args)?;
let left = this.read_immediate(left)?;
let right = this.read_immediate(right)?;
this.binop_ignore_overflow(mir::BinOp::Ne, &left, &right, dest)?;
let (val, _overflowed, _ty) =
this.overflowing_binary_op(mir::BinOp::Eq, &left, &right)?;
// We're type punning a bool as an u8 here.
this.write_scalar(val, dest)?;
}
"const_allocate" => {
// For now, for compatibility with the run-time implementation of this, we just return null.