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Support heaps with no offset-guard pages.

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Also, say "guard-offset pages" rather than just "guard pages" to describe the
region of a heap which is never accessible and which exists to support
optimizations for heap accesses with offsets.

And, introduce a `Uimm64` immediate type, and make all heap fields use
`Uimm64` instead of `Imm64` since they really are unsigned.
This commit is contained in:
Dan Gohman
2018-11-29 04:53:30 -08:00
parent 93696a80bb
commit a20c852148
27 changed files with 302 additions and 172 deletions
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2
lib/umbrella/src/lib.rs
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@@ -36,7 +36,7 @@ pub mod prelude {
pub use codegen;
pub use codegen::entity::EntityRef;
pub use codegen::ir::condcodes::{FloatCC, IntCC};
pub use codegen::ir::immediates::{Ieee32, Ieee64, Imm64};
pub use codegen::ir::immediates::{Ieee32, Ieee64, Imm64, Uimm64};
pub use codegen::ir::types;
pub use codegen::ir::{
AbiParam, Ebb, ExtFuncData, ExternalName, GlobalValueData, InstBuilder, JumpTableData,