authorgravatar for koachan@protonmail.comKoakuma <koachan@protonmail.com> 2022-06-02 23:34:21+07:00
committergravatar for koachan@protonmail.comKoakuma <koachan@protonmail.com> 2022-06-06 20:34:53+07:00
log31f24dbc5544fbebbd6259ee272aa9a7244b4d87
tree95d67ec67efa75d93bfdc3510180b8020cc91c79
parentc00d493a0001cbc9ebc0c02197ae70d921242b22

stage2: sparc64: Implement airWrapErrUnionErr

1 files changed, 15 insertions(+), 1 deletions(-)

src/arch/sparc64/CodeGen.zig+15-1
...@@ -679,7 +679,7 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {...@@ -679,7 +679,7 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
679679
680 .wrap_optional => @panic("TODO try self.airWrapOptional(inst)"),680 .wrap_optional => @panic("TODO try self.airWrapOptional(inst)"),
681 .wrap_errunion_payload => @panic("TODO try self.airWrapErrUnionPayload(inst)"),681 .wrap_errunion_payload => @panic("TODO try self.airWrapErrUnionPayload(inst)"),
682 .wrap_errunion_err => @panic("TODO try self.airWrapErrUnionErr(inst)"),682 .wrap_errunion_err => try self.airWrapErrUnionErr(inst),
683683
684 .wasm_memory_size => unreachable,684 .wasm_memory_size => unreachable,
685 .wasm_memory_grow => unreachable,685 .wasm_memory_grow => unreachable,
...@@ -1851,6 +1851,20 @@ fn airUnwrapErrPayload(self: *Self, inst: Air.Inst.Index) !void {...@@ -1851,6 +1851,20 @@ fn airUnwrapErrPayload(self: *Self, inst: Air.Inst.Index) !void {
1851 return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });1851 return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
1852}1852}
18531853
1854/// E to E!T
1855fn airWrapErrUnionErr(self: *Self, inst: Air.Inst.Index) !void {
1856 const ty_op = self.air.instructions.items(.data)[inst].ty_op;
1857 const result: MCValue = if (self.liveness.isUnused(inst)) .dead else result: {
1858 const error_union_ty = self.air.getRefType(ty_op.ty);
1859 const payload_ty = error_union_ty.errorUnionPayload();
1860 const mcv = try self.resolveInst(ty_op.operand);
1861 if (!payload_ty.hasRuntimeBits()) break :result mcv;
1862
1863 return self.fail("TODO implement wrap errunion error for non-empty payloads", .{});
1864 };
1865 return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
1866}
1867
1854// Common helper functions1868// Common helper functions
18551869
1856/// Adds a Type to the .debug_info at the current position. The bytes will be populated later,1870/// Adds a Type to the .debug_info at the current position. The bytes will be populated later,