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| author | Jakub Konka <kubkon@jakubkonka.com> | 2020-11-08 14:49:31 +0100 |
|---|---|---|
| committer | Jakub Konka <kubkon@jakubkonka.com> | 2020-11-11 14:34:53 +0100 |
| commit | 4ef6864a155cbb23edb5e5aaa5aa34fdd0e53b39 (patch) | |
| tree | f7983ff2f79c02f5f0c665ad8e6ea186e7a5a698 /src/codegen.zig | |
| parent | d601b0f4eb025c753ca9f139480578511122afad (diff) | |
| download | zig-4ef6864a155cbb23edb5e5aaa5aa34fdd0e53b39.tar.gz zig-4ef6864a155cbb23edb5e5aaa5aa34fdd0e53b39.zip | |
Add move wide with zero (movz) instruction
Diffstat (limited to 'src/codegen.zig')
| -rw-r--r-- | src/codegen.zig | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/codegen.zig b/src/codegen.zig index 47d33570d5..d946c913a9 100644 --- a/src/codegen.zig +++ b/src/codegen.zig @@ -2504,7 +2504,13 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { else => unreachable, // unexpected register size } }, - .immediate => return self.fail(src, "TODO implement genSetReg for aarch64 {}", .{mcv}), + .immediate => |x| { + if (x <= math.maxInt(u16)) { + mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movz(reg, @intCast(u16, x), 0).toU32()); + } else { + return self.fail(src, "TODO genSetReg with 32,48,64bit immediates", .{}); + } + }, .register => return self.fail(src, "TODO implement genSetReg for aarch64 {}", .{mcv}), else => return self.fail(src, "TODO implement genSetReg for aarch64 {}", .{mcv}), }, |