WARNING! Access to this system is limited to authorised users only.
Unauthorised users may be subject to prosecution.
Unauthorised access to this system is a criminal offence under Australian law (Federal Crimes Act 1914 Part VIA)
It is a criminal offence to:
(1) Obtain access to data without authority. -Penalty 2 years imprisonment.
(2) Damage, delete, alter or insert data without authority. -Penalty 10 years imprisonment.
User activity is monitored and recorded. Anyone using this system expressly consents to such monitoring and recording.

To protect your data, the CISO officer has suggested users to enable 2FA as soon as possible.
Currently 2.7% of users enabled 2FA.

Commit c15fcff7 authored by qinsoon's avatar qinsoon
Browse files

[wip] set_inst_nop also sets related info

parent 855383c3
...@@ -113,9 +113,44 @@ impl MachineCode for ASMCode { ...@@ -113,9 +113,44 @@ impl MachineCode for ASMCode {
} }
fn set_inst_nop(&mut self, index: usize) { fn set_inst_nop(&mut self, index: usize) {
// FIXME: need to make sure it is fine that // FIXME: changing these info is inefficient - plus we probably do not need to
// we do not update any information about this instruction
// e.g. uses, defines, etc. // remove any reg use of this instruction
// clone the vec otherwise since we need to borrow 'self' again
for reg in self.get_inst_reg_uses(index).to_vec() {
let mut locs = self.reg_uses.get_mut(&reg).unwrap();
let mut new_locs : Vec<ASMLocation> = vec![];
while !locs.is_empty() {
let loc = locs.pop().unwrap();
if loc.line != index {
new_locs.push(loc);
}
}
debug_assert!(locs.is_empty());
locs.append(&mut new_locs);
}
// remove any reg define of this instruction
for reg in self.get_inst_reg_defines(index).to_vec() {
let mut locs = self.reg_defines.get_mut(&reg).unwrap();
let mut new_locs : Vec<ASMLocation> = vec![];
while !locs.is_empty() {
let loc = locs.pop().unwrap();
if loc.line != index {
new_locs.push(loc);
}
}
debug_assert!(locs.is_empty());
locs.append(&mut new_locs);
}
// nop doesnt use memop
self.mem_op_used.insert(index, false);
self.code.remove(index); self.code.remove(index);
self.code.insert(index, ASM::nop()); self.code.insert(index, ASM::nop());
} }
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment