stage2: implement `@shuffle` at runtime

1 files changed, 12 insertions, 0 deletions

diff --git a/src/arch/wasm/CodeGen.zig b/src/arch/wasm/CodeGen.zig
index 3f28b87b55..6c54699831 100644
--- a/src/arch/wasm/CodeGen.zig
+++ b/src/arch/wasm/CodeGen.zig
@@ -1255,6 +1255,7 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
         .ret_ptr => self.airRetPtr(inst),
         .ret_load => self.airRetLoad(inst),
         .splat => self.airSplat(inst),
+        .shuffle => self.airShuffle(inst),
         .aggregate_init => self.airAggregateInit(inst),
         .union_init => self.airUnionInit(inst),
         .prefetch => self.airPrefetch(inst),
@@ -2985,6 +2986,17 @@ fn airSplat(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
     return self.fail("TODO: Implement wasm airSplat", .{});
 }
 
+fn airShuffle(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
+    if (self.liveness.isUnused(inst)) return WValue{ .none = {} };
+
+    const ty_op = self.air.instructions.items(.data)[inst].ty_op;
+    const operand = try self.resolveInst(ty_op.operand);
+
+    _ = ty_op;
+    _ = operand;
+    return self.fail("TODO: Implement wasm airShuffle", .{});
+}
+
 fn airAggregateInit(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
     if (self.liveness.isUnused(inst)) return WValue{ .none = {} };