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Implement saturated add/subtract

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ayazhafiz 2022-01-10 22:37:08 -05:00
parent 4ea91b54eb
commit 2c41c43aea
10 changed files with 177 additions and 66 deletions
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12
compiler/can/src/builtins.rs
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@ -156,9 +156,11 @@ pub fn builtin_defs_map(symbol: Symbol, var_store: &mut VarStore) -> Option<Def>
NUM_ADD => num_add,
NUM_ADD_CHECKED => num_add_checked,
NUM_ADD_WRAP => num_add_wrap,
NUM_ADD_SATURATED => num_add_saturated,
NUM_SUB => num_sub,
NUM_SUB_WRAP => num_sub_wrap,
NUM_SUB_CHECKED => num_sub_checked,
NUM_SUB_SATURATED => num_sub_saturated,
NUM_MUL => num_mul,
NUM_MUL_WRAP => num_mul_wrap,
NUM_MUL_CHECKED => num_mul_checked,
@ -641,6 +643,11 @@ fn num_add_checked(symbol: Symbol, var_store: &mut VarStore) -> Def {
num_overflow_checked(symbol, var_store, LowLevel::NumAddChecked)
}
/// Num.addSaturated : Int a, Int a -> Int a
fn num_add_saturated(symbol: Symbol, var_store: &mut VarStore) -> Def {
num_binop(symbol, var_store, LowLevel::NumAddSaturated)
}
/// Num.sub : Num a, Num a -> Num a
fn num_sub(symbol: Symbol, var_store: &mut VarStore) -> Def {
num_binop(symbol, var_store, LowLevel::NumSub)
@ -656,6 +663,11 @@ fn num_sub_checked(symbol: Symbol, var_store: &mut VarStore) -> Def {
num_overflow_checked(symbol, var_store, LowLevel::NumSubChecked)
}
/// Num.subSaturated : Int a, Int a -> Int a
fn num_sub_saturated(symbol: Symbol, var_store: &mut VarStore) -> Def {
num_binop(symbol, var_store, LowLevel::NumSubSaturated)
}
/// Num.mul : Num a, Num a -> Num a
fn num_mul(symbol: Symbol, var_store: &mut VarStore) -> Def {
num_binop(symbol, var_store, LowLevel::NumMul)