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wasm_interp: use wrapping arithmetic
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8e15d49720
commit
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@ -753,37 +753,37 @@ impl<'a> ExecutionState<'a> {
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I32ADD => {
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let arg2 = self.value_stack.pop_i32();
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let arg1 = self.value_stack.pop_i32();
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self.value_stack.push(Value::from(arg1 + arg2));
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self.value_stack.push(Value::from(arg1.wrapping_add(arg2)));
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}
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I32SUB => {
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let arg2 = self.value_stack.pop_i32();
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let arg1 = self.value_stack.pop_i32();
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self.value_stack.push(Value::from(arg1 - arg2));
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self.value_stack.push(Value::from(arg1.wrapping_sub(arg2)));
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}
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I32MUL => {
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let arg2 = self.value_stack.pop_i32();
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let arg1 = self.value_stack.pop_i32();
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self.value_stack.push(Value::from(arg1 * arg2));
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self.value_stack.push(Value::from(arg1.wrapping_mul(arg2)));
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}
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I32DIVS => {
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let arg2 = self.value_stack.pop_i32();
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let arg1 = self.value_stack.pop_i32();
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self.value_stack.push(Value::from(arg1 / arg2));
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self.value_stack.push(Value::from(arg1.wrapping_div(arg2)));
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}
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I32DIVU => {
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let arg2 = self.value_stack.pop_u32();
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let arg1 = self.value_stack.pop_u32();
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self.value_stack.push(Value::from(arg1 / arg2));
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self.value_stack.push(Value::from(arg1.wrapping_div(arg2)));
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}
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I32REMS => {
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let arg2 = self.value_stack.pop_i32();
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let arg1 = self.value_stack.pop_i32();
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self.value_stack.push(Value::from(arg1 % arg2));
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self.value_stack.push(Value::from(arg1.wrapping_rem(arg2)));
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}
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I32REMU => {
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let arg2 = self.value_stack.pop_u32();
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let arg1 = self.value_stack.pop_u32();
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self.value_stack.push(Value::from(arg1 % arg2));
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self.value_stack.push(Value::from(arg1.wrapping_rem(arg2)));
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}
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I32AND => {
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let arg2 = self.value_stack.pop_u32();
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