diff options
Diffstat (limited to 'src/codegen.zig')
| -rw-r--r-- | src/codegen.zig | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/codegen.zig b/src/codegen.zig index 79105dc4a7..dfaedf041a 100644 --- a/src/codegen.zig +++ b/src/codegen.zig @@ -896,6 +896,8 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { .memset => try self.airMemset(inst), .set_union_tag => try self.airSetUnionTag(inst), .get_union_tag => try self.airGetUnionTag(inst), + .clz => try self.airClz(inst), + .ctz => try self.airCtz(inst), .atomic_store_unordered => try self.airAtomicStore(inst, .Unordered), .atomic_store_monotonic => try self.airAtomicStore(inst, .Monotonic), @@ -1606,6 +1608,22 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { return self.finishAir(inst, result, .{ ty_op.operand, .none, .none }); } + fn airClz(self: *Self, inst: Air.Inst.Index) !void { + const ty_op = self.air.instructions.items(.data)[inst].ty_op; + const result: MCValue = if (self.liveness.isUnused(inst)) .dead else switch (arch) { + else => return self.fail("TODO implement airClz for {}", .{self.target.cpu.arch}), + }; + return self.finishAir(inst, result, .{ ty_op.operand, .none, .none }); + } + + fn airCtz(self: *Self, inst: Air.Inst.Index) !void { + const ty_op = self.air.instructions.items(.data)[inst].ty_op; + const result: MCValue = if (self.liveness.isUnused(inst)) .dead else switch (arch) { + else => return self.fail("TODO implement airCtz for {}", .{self.target.cpu.arch}), + }; + return self.finishAir(inst, result, .{ ty_op.operand, .none, .none }); + } + fn reuseOperand(self: *Self, inst: Air.Inst.Index, operand: Air.Inst.Ref, op_index: Liveness.OperandInt, mcv: MCValue) bool { if (!self.liveness.operandDies(inst, op_index)) return false; |