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wasm_interp: use wrapping arithmetic

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Brian Carroll 2022-11-27 22:07:31 +00:00
parent 8e15d49720
commit e3df393a22
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1 changed files with 7 additions and 7 deletions
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14
crates/wasm_interp/src/execute.rs
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@ -753,37 +753,37 @@ impl<'a> ExecutionState<'a> {
I32ADD => {
let arg2 = self.value_stack.pop_i32();
let arg1 = self.value_stack.pop_i32();
self.value_stack.push(Value::from(arg1 + arg2));
self.value_stack.push(Value::from(arg1.wrapping_add(arg2)));
}
I32SUB => {
let arg2 = self.value_stack.pop_i32();
let arg1 = self.value_stack.pop_i32();
self.value_stack.push(Value::from(arg1 - arg2));
self.value_stack.push(Value::from(arg1.wrapping_sub(arg2)));
}
I32MUL => {
let arg2 = self.value_stack.pop_i32();
let arg1 = self.value_stack.pop_i32();
self.value_stack.push(Value::from(arg1 * arg2));
self.value_stack.push(Value::from(arg1.wrapping_mul(arg2)));
}
I32DIVS => {
let arg2 = self.value_stack.pop_i32();
let arg1 = self.value_stack.pop_i32();
self.value_stack.push(Value::from(arg1 / arg2));
self.value_stack.push(Value::from(arg1.wrapping_div(arg2)));
}
I32DIVU => {
let arg2 = self.value_stack.pop_u32();
let arg1 = self.value_stack.pop_u32();
self.value_stack.push(Value::from(arg1 / arg2));
self.value_stack.push(Value::from(arg1.wrapping_div(arg2)));
}
I32REMS => {
let arg2 = self.value_stack.pop_i32();
let arg1 = self.value_stack.pop_i32();
self.value_stack.push(Value::from(arg1 % arg2));
self.value_stack.push(Value::from(arg1.wrapping_rem(arg2)));
}
I32REMU => {
let arg2 = self.value_stack.pop_u32();
let arg1 = self.value_stack.pop_u32();
self.value_stack.push(Value::from(arg1 % arg2));
self.value_stack.push(Value::from(arg1.wrapping_rem(arg2)));
}
I32AND => {
let arg2 = self.value_stack.pop_u32();