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machinst x64: support out-of-bounds memory accesses;

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This commit is contained in:
Benjamin Bouvier
2020-07-08 15:22:00 +02:00
parent ea33ce9116
commit 5a55646fc3
6 changed files with 598 additions and 323 deletions
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5
cranelift/codegen/src/isa/x64/inst/args.rs
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@@ -234,12 +234,11 @@ impl RegMem {
pub(crate) fn mem(addr: impl Into<SyntheticAmode>) -> Self {
Self::Mem { addr: addr.into() }
}
/// Add the regs mentioned by `self` to `collector`.
pub(crate) fn get_regs_as_uses(&self, collector: &mut RegUsageCollector) {
match self {
RegMem::Reg { reg } => collector.add_use(*reg),
RegMem::Mem { addr } => addr.get_regs_as_uses(collector),
RegMem::Mem { addr, .. } => addr.get_regs_as_uses(collector),
}
}
}
@@ -252,7 +251,7 @@ impl ShowWithRRU for RegMem {
fn show_rru_sized(&self, mb_rru: Option<&RealRegUniverse>, size: u8) -> String {
match self {
RegMem::Reg { reg } => show_ireg_sized(*reg, mb_rru, size),
RegMem::Mem { addr } => addr.show_rru(mb_rru),
RegMem::Mem { addr, .. } => addr.show_rru(mb_rru),
}
}
}