Commit 8f47e8feb60e60cc85674a9eef281197ed8a7c27 | zig

author	Jakub Konka <kubkon@jakubkonka.com> 2020-11-16 17:56:13+01:00
committer	Andrew Kelley <andrew@ziglang.org> 2020-11-16 13:37:38-08:00
log	8f47e8feb60e60cc85674a9eef281197ed8a7c27
tree	5b2faa42a2c7567d68932a3cd48084577673934a
parent	cd4b54fd38ff3ea3e494e330e9487069ef6762da

1 files changed, 10 insertions(+), 0 deletions(-)

src/codegen/aarch64.zig+10

 @@ -238,6 +238,9 @@ pub const Instruction = union(enum) {
         fixed: u5 = 0b00101,
         op: u1,
     },
+    NoOperation: packed struct {
+        fixed: u32 = 0b1101010100_0_00_011_0010_0000_000_11111,
+    },
     pub fn toU32(self: Instruction) u32 {
         return switch (self) {
 @@ -247,6 +250,7 @@ pub const Instruction = union(enum) {
             .ExceptionGeneration => |v| @bitCast(u32, v),
             .UnconditionalBranchRegister => |v| @bitCast(u32, v),
             .UnconditionalBranchImmediate => |v| @bitCast(u32, v),
+            .NoOperation => |v| @bitCast(u32, v),
         };
     }
 @@ -599,6 +603,12 @@ pub const Instruction = union(enum) {
     pub fn bl(offset: i28) Instruction {
         return unconditionalBranchImmediate(1, offset);
     }
+    // Nop
+    pub fn nop() Instruction {
+        return Instruction{ .NoOperation = {} };
+    }
 };
 test "" {