Merge pull request #2653 from bjorn3/more_atomic_ops

More atomic ops

cranelift/codegen/src/ir/atomic_rmw_op.rs

@@ -14,12 +14,22 @@ pub enum AtomicRmwOp {
     Sub,
     /// And
     And,
+    /// Nand
+    Nand,
     /// Or
     Or,
     /// Xor
     Xor,
     /// Exchange
     Xchg,
+    /// Unsigned min
+    Umin,
+    /// Unsigned max
+    Umax,
+    /// Signed min
+    Smin,
+    /// Signed max
+    Smax,
 }
 
 impl Display for AtomicRmwOp {
@@ -28,9 +38,14 @@ impl Display for AtomicRmwOp {
             AtomicRmwOp::Add => "add",
             AtomicRmwOp::Sub => "sub",
             AtomicRmwOp::And => "and",
+            AtomicRmwOp::Nand => "nand",
             AtomicRmwOp::Or => "or",
             AtomicRmwOp::Xor => "xor",
             AtomicRmwOp::Xchg => "xchg",
+            AtomicRmwOp::Umin => "umin",
+            AtomicRmwOp::Umax => "umax",
+            AtomicRmwOp::Smin => "smin",
+            AtomicRmwOp::Smax => "smax",
         };
         f.write_str(s)
     }
@@ -43,9 +58,14 @@ impl FromStr for AtomicRmwOp {
             "add" => Ok(AtomicRmwOp::Add),
             "sub" => Ok(AtomicRmwOp::Sub),
             "and" => Ok(AtomicRmwOp::And),
+            "nand" => Ok(AtomicRmwOp::Nand),
             "or" => Ok(AtomicRmwOp::Or),
             "xor" => Ok(AtomicRmwOp::Xor),
             "xchg" => Ok(AtomicRmwOp::Xchg),
+            "umin" => Ok(AtomicRmwOp::Umin),
+            "umax" => Ok(AtomicRmwOp::Umax),
+            "smin" => Ok(AtomicRmwOp::Smin),
+            "smax" => Ok(AtomicRmwOp::Smax),
             _ => Err(()),
         }
     }