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use (isub 1 $C) instead (iadd -1 $C)

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MaxGraey
2020-07-03 11:01:35 +03:00
parent d839d83f7e
commit 1033cf5748
4 changed files with 7 additions and 1 deletions
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2
cranelift/peepmatic/crates/runtime/src/optimizer.rs
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@@ -77,6 +77,7 @@ where
| UnquoteOperator::Bor
| UnquoteOperator::Bxor
| UnquoteOperator::Iadd
| UnquoteOperator::Isub
| UnquoteOperator::Imul => unreachable!("not a unary unquote operator: {:?}", operator),
}
}
@@ -98,6 +99,7 @@ where
UnquoteOperator::Bor => fold_ints!(a, b, |x, y| x | y),
UnquoteOperator::Bxor => fold_ints!(a, b, |x, y| x ^ y),
UnquoteOperator::Iadd => fold_ints!(a, b, |x, y| x.wrapping_add(y)),
UnquoteOperator::Isub => fold_ints!(a, b, |x, y| x.wrapping_sub(y)),
UnquoteOperator::Imul => fold_ints!(a, b, |x, y| x.wrapping_mul(y)),
UnquoteOperator::Log2 | UnquoteOperator::Neg => {
unreachable!("not a binary unquote operator: {:?}", operator)