| ... | ... | @@ -4922,7 +4922,14 @@ fn airStructFieldVal(self: *Self, inst: Air.Inst.Index) !void { |
| 4922 | 4922 | } |
| 4923 | 4923 | |
| 4924 | 4924 | if (field_extra_bits > 0) try self.truncateRegister(field_ty, dst_reg); |
| 4925 | | break :result .{ .register = dst_reg }; |
| 4925 | |
| 4926 | const dst_mcv = MCValue{ .register = dst_reg }; |
| 4927 | const dst_rc = regClassForType(field_ty); |
| 4928 | if (dst_rc.eql(gp)) break :result dst_mcv; |
| 4929 | |
| 4930 | const result_reg = try self.register_manager.allocReg(inst, dst_rc); |
| 4931 | try self.genSetReg(result_reg, field_ty, dst_mcv); |
| 4932 | break :result .{ .register = result_reg }; |
| 4926 | 4933 | }, |
| 4927 | 4934 | .register => |reg| { |
| 4928 | 4935 | const reg_lock = self.register_manager.lockRegAssumeUnused(reg); |
| ... | ... | @@ -7896,7 +7903,8 @@ fn genCopy(self: *Self, ty: Type, dst_mcv: MCValue, src_mcv: MCValue) InnerError |
| 7896 | 7903 | |
| 7897 | 7904 | fn genSetReg(self: *Self, dst_reg: Register, ty: Type, src_mcv: MCValue) InnerError!void { |
| 7898 | 7905 | const abi_size = @intCast(u32, ty.abiSize(self.target.*)); |
| 7899 | | if (abi_size > 8) return self.fail("genSetReg called with a value larger than one register", .{}); |
| 7906 | if (abi_size * 8 > dst_reg.bitSize()) |
| 7907 | return self.fail("genSetReg called with a value larger than dst_reg", .{}); |
| 7900 | 7908 | switch (src_mcv) { |
| 7901 | 7909 | .none, |
| 7902 | 7910 | .unreach, |
Jacob Young <jacobly@ziglang.org> 2023-05-06 16:05:52-04:00
src