Add load and store instructions.

Define a MemFlags class, currently holding a notrap and aligned flag.

lib/cretonne/src/ir/instructions.rs

@@ -10,7 +10,7 @@ use std::fmt::{self, Display, Formatter};
 use std::str::FromStr;
 use std::ops::{Deref, DerefMut};
 
-use ir::{Value, Type, Ebb, JumpTable, SigRef, FuncRef, StackSlot};
+use ir::{Value, Type, Ebb, JumpTable, SigRef, FuncRef, StackSlot, MemFlags};
 use ir::immediates::{Imm64, Uimm8, Ieee32, Ieee64, Offset32, Uoffset32};
 use ir::condcodes::*;
 use ir::types;
@@ -252,6 +252,20 @@ pub enum InstructionData {
         args: [Value; 2],
         offset: Uoffset32,
     },
+    Load {
+        opcode: Opcode,
+        ty: Type,
+        flags: MemFlags,
+        arg: Value,
+        offset: Offset32,
+    },
+    Store {
+        opcode: Opcode,
+        ty: Type,
+        flags: MemFlags,
+        args: [Value; 2],
+        offset: Offset32,
+    },
 }
 
 /// A variable list of `Value` operands used for function call arguments and passing arguments to