stage2: implement `@frameAddress`

5 files changed, 38 insertions, 0 deletions

diff --git a/src/arch/aarch64/CodeGen.zig b/src/arch/aarch64/CodeGen.zig
index c9413975e3..b58bad7a3c 100644
--- a/src/arch/aarch64/CodeGen.zig
+++ b/src/arch/aarch64/CodeGen.zig
@@ -670,6 +670,8 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
             .wrap_optional         => try self.airWrapOptional(inst),
             .wrap_errunion_payload => try self.airWrapErrUnionPayload(inst),
             .wrap_errunion_err     => try self.airWrapErrUnionErr(inst),
+
+            .frame_address => try self.airFrameAddress(inst),
             // zig fmt: on
         }
 
@@ -1517,6 +1519,13 @@ fn airWrapErrUnionErr(self: *Self, inst: Air.Inst.Index) !void {
     return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
 }
 
+fn airFrameAddress(self: *Self, inst: Air.Inst.Index) !void {
+    const ty_pl = self.air.instructions.items(.data)[inst].ty_pl;
+    const extra = self.air.extraData(Air.StructField, ty_pl.payload).data;
+    _ = extra;
+    return self.fail("TODO implement codegen airFrameAddress", .{});
+}
+
 fn airSlicePtr(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 return self.fail("TODO implement slice_ptr for {}", .{self.target.cpu.arch});
diff --git a/src/arch/arm/CodeGen.zig b/src/arch/arm/CodeGen.zig
index 6cd4a1fd9f..1776196828 100644
--- a/src/arch/arm/CodeGen.zig
+++ b/src/arch/arm/CodeGen.zig
@@ -656,6 +656,8 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
             .wrap_optional         => try self.airWrapOptional(inst),
             .wrap_errunion_payload => try self.airWrapErrUnionPayload(inst),
             .wrap_errunion_err     => try self.airWrapErrUnionErr(inst),
+
+            .frame_address => try self.airFrameAddress(inst),
             // zig fmt: on
         }
 
@@ -1272,6 +1274,13 @@ fn airWrapErrUnionErr(self: *Self, inst: Air.Inst.Index) !void {
     return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
 }
 
+fn airFrameAddress(self: *Self, inst: Air.Inst.Index) !void {
+    const ty_pl = self.air.instructions.items(.data)[inst].ty_pl;
+    const bin_op = self.air.extraData(Air.Bin, ty_pl.payload).data;
+    const result: MCValue = if (self.liveness.isUnused(inst)) .dead else return self.fail("TODO implement airFrameAddress", .{});
+    return self.finishAir(inst, result, .{ bin_op.lhs, bin_op.rhs, .none });
+}
+
 fn airSlicePtr(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 result: {
diff --git a/src/arch/riscv64/CodeGen.zig b/src/arch/riscv64/CodeGen.zig
index c654ea625d..ac5d914af1 100644
--- a/src/arch/riscv64/CodeGen.zig
+++ b/src/arch/riscv64/CodeGen.zig
@@ -641,6 +641,8 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
             .wrap_optional         => try self.airWrapOptional(inst),
             .wrap_errunion_payload => try self.airWrapErrUnionPayload(inst),
             .wrap_errunion_err     => try self.airWrapErrUnionErr(inst),
+
+            .frame_address => try self.airFrameAddress(inst),
             // zig fmt: on
         }
         if (std.debug.runtime_safety) {
@@ -1103,6 +1105,12 @@ fn airWrapErrUnionErr(self: *Self, inst: Air.Inst.Index) !void {
     return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
 }
 
+fn airFrameAddress(self: *Self, inst: Air.Inst.Index) !void {
+    _ = self;
+    _ = inst;
+    return self.fail("TODO implement codegen airFrameAddress", .{});
+}
+
 fn airSlicePtr(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 return self.fail("TODO implement slice_ptr for {}", .{self.target.cpu.arch});
diff --git a/src/arch/wasm/CodeGen.zig b/src/arch/wasm/CodeGen.zig
index e2e6b00e84..69a70d0d53 100644
--- a/src/arch/wasm/CodeGen.zig
+++ b/src/arch/wasm/CodeGen.zig
@@ -1726,6 +1726,7 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
         .error_name,
         .errunion_payload_ptr_set,
         .field_parent_ptr,
+        .frame_address,
 
         // For these 4, probably best to wait until https://github.com/ziglang/zig/issues/10248
         // is implemented in the frontend before implementing them here in the wasm backend.
diff --git a/src/arch/x86_64/CodeGen.zig b/src/arch/x86_64/CodeGen.zig
index 45d9767320..3a6541ccd5 100644
--- a/src/arch/x86_64/CodeGen.zig
+++ b/src/arch/x86_64/CodeGen.zig
@@ -753,6 +753,8 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
             .wrap_optional         => try self.airWrapOptional(inst),
             .wrap_errunion_payload => try self.airWrapErrUnionPayload(inst),
             .wrap_errunion_err     => try self.airWrapErrUnionErr(inst),
+
+            .frame_address => try self.airFrameAddress(inst),
             // zig fmt: on
         }
 
@@ -1865,6 +1867,15 @@ fn airWrapErrUnionErr(self: *Self, inst: Air.Inst.Index) !void {
     return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
 }
 
+fn airFrameAddress(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
+        return self.fail("TODO implement airFrameAddress for {}", .{self.target.cpu.arch});
+    return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
+}
+
 fn airSlicePtr(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 result: {