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Implement BranchNegative

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VegOwOtenks 2024-09-11 00:26:54 +02:00
parent 49ce37402e
commit cc4166a814
1 changed files with 9 additions and 0 deletions
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9
src/jvm.rs
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@ -765,6 +765,15 @@ impl JVM {
} }
} }
Instruction::BranchNegative(branch_offset) => {
let test_value = wrap_stackframe_error(class, method, frame.operand_stack.pop_int(0))?;
if test_value < 0 {
frame.instruction_pointer -= offset as u32;
frame.instruction_pointer = if branch_offset < 0 { frame.instruction_pointer - branch_offset.abs() as u32} else { frame.instruction_pointer + branch_offset.abs() as u32};
}
}
Instruction::BranchNonNull(branch_offset) => { Instruction::BranchNonNull(branch_offset) => {
let test_value = wrap_stackframe_error(class, method, frame.operand_stack.pop_reference(0))?; let test_value = wrap_stackframe_error(class, method, frame.operand_stack.pop_reference(0))?;