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| author | Isaac Freund <mail@isaacfreund.com> | 2023-02-20 23:31:48 +0100 |
|---|---|---|
| committer | Veikka Tuominen <git@vexu.eu> | 2023-02-21 15:57:13 +0200 |
| commit | 05da5b32a820c031001098034840940964f41a81 (patch) | |
| tree | ad6dfd90922e168d536f8adba3f97af2e1843e31 /src/arch | |
| parent | dc1f50e505105cabe1ed53951ca612778d6019ee (diff) | |
| download | zig-05da5b32a820c031001098034840940964f41a81.tar.gz zig-05da5b32a820c031001098034840940964f41a81.zip | |
Sema: implement @fieldParentPtr for unions
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/arm/CodeGen.zig | 5 | ||||
| -rw-r--r-- | src/arch/wasm/CodeGen.zig | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/src/arch/arm/CodeGen.zig b/src/arch/arm/CodeGen.zig index fc89b2e26b..01a1d6b7eb 100644 --- a/src/arch/arm/CodeGen.zig +++ b/src/arch/arm/CodeGen.zig @@ -2973,6 +2973,11 @@ fn airFieldParentPtr(self: *Self, inst: Air.Inst.Index) !void { const result: MCValue = if (self.liveness.isUnused(inst)) .dead else result: { const field_ptr = try self.resolveInst(extra.field_ptr); const struct_ty = self.air.getRefType(ty_pl.ty).childType(); + + if (struct_ty.zigTypeTag() == .Union) { + return self.fail("TODO implement @fieldParentPtr codegen for unions", .{}); + } + const struct_field_offset = @intCast(u32, struct_ty.structFieldOffset(extra.field_index, self.target.*)); switch (field_ptr) { .ptr_stack_offset => |off| { diff --git a/src/arch/wasm/CodeGen.zig b/src/arch/wasm/CodeGen.zig index b229a67e70..2f191fd834 100644 --- a/src/arch/wasm/CodeGen.zig +++ b/src/arch/wasm/CodeGen.zig @@ -4944,8 +4944,8 @@ fn airFieldParentPtr(func: *CodeGen, inst: Air.Inst.Index) InnerError!void { if (func.liveness.isUnused(inst)) return func.finishAir(inst, .none, &.{extra.field_ptr}); const field_ptr = try func.resolveInst(extra.field_ptr); - const struct_ty = func.air.getRefType(ty_pl.ty).childType(); - const field_offset = struct_ty.structFieldOffset(extra.field_index, func.target); + const parent_ty = func.air.getRefType(ty_pl.ty).childType(); + const field_offset = parent_ty.structFieldOffset(extra.field_index, func.target); const result = if (field_offset != 0) result: { const base = try func.buildPointerOffset(field_ptr, 0, .new); |