diff --git a/src/codegen/loongarch/Select.zig b/src/codegen/loongarch/Select.zig
index 2b86fb195ffeb8ee280fcf3735a9b824bb0f8519..6320fef5f2de0e068205e555a5225c7ed45b2920 100644
--- a/src/codegen/loongarch/Select.zig
+++ b/src/codegen/loongarch/Select.zig
@@ -2127,13 +2127,6 @@ pub const Value = struct {
                             .large => value.location_payload.large.stack_slot = vi.allocStackSlot(isel),
                         }
                     }
-                    switch (value.flags.location_tag) {
-                        .extreme => unreachable,
-                        .small => {},
-                        .large => {
-                            try vi.reextendAdvanced(isel, vi.bitSize(isel), mat.extension, vi.extension(isel));
-                        },
-                    }
                     const vi_loc = vi.location(isel).?;
                     const maybe_loc_reg = vi_loc.asRegister();
                     if (maybe_loc_reg) |loc_reg| {
@@ -2155,6 +2148,13 @@ pub const Value = struct {
                         assert(loc_live.* == .allocating);
                         loc_live.* = vi;
                     }
+                    switch (value.flags.location_tag) {
+                        .extreme => unreachable,
+                        .small => {},
+                        .large => {
+                            try vi.reextendAdvanced(isel, vi.bitSize(isel), mat.extension, vi.extension(isel));
+                        },
+                    }
                 },
                 .value => unreachable,
                 .address => |addr_vi| {