Commit 0f61d1f0df887081d60558256e10944633eb868f | zig

2 files changed, 18 insertions(+), 2 deletions(-)

src/arch/x86_64/abi.zig+10-2

...	...	@@ -5,7 +5,7 @@ const assert = std.debug.assert;
5	5	const Register = @import("bits.zig").Register;
6	6	const RegisterManagerFn = @import("../../register_manager.zig").RegisterManager;
7	7
8		pub const Class = enum { integer, sse, sseup, x87, x87up, complex_x87, memory, none };
	8	pub const Class = enum { integer, sse, sseup, x87, x87up, complex_x87, memory, none, win_i128 };
9	9
10	10	pub fn classifyWindows(ty: Type, target: Target) Class {
11	11	// https://docs.microsoft.com/en-gb/cpp/build/x64-calling-convention?view=vs-2017
...	...	@@ -34,7 +34,15 @@ pub fn classifyWindows(ty: Type, target: Target) Class {
34	34	=> switch (ty.abiSize(target)) {
35	35	0 => unreachable,
36	36	1, 2, 4, 8 => return .integer,
37		else => return .memory,
	37	else => switch (ty.zigTypeTag()) {
	38	.Int => return .win_i128,
	39	.Struct, .Union => if (ty.containerLayout() == .Packed) {
	40	return .win_i128;
	41	} else {
	42	return .memory;
	43	},
	44	else => return .memory,
	45	},
38	46	},
39	47
40	48	.Float, .Vector => return .sse,

src/codegen/llvm.zig+8

...	...	@@ -9687,6 +9687,7 @@ fn lowerFnRetTy(dg: DeclGen, fn_info: Type.Payload.Function.Data) !const llvm.
9687	9687	return dg.context.intType(@intCast(c_uint, abi_size * 8));
9688	9688	}
9689	9689	},
	9690	.win_i128 => return dg.context.intType(64).vectorType(2),
9690	9691	.memory => return dg.context.voidType(),
9691	9692	.sse => return dg.lowerType(fn_info.return_type),
9692	9693	else => unreachable,
...	...	@@ -9727,6 +9728,7 @@ fn lowerFnRetTy(dg: DeclGen, fn_info: Type.Payload.Function.Data) !const llvm.
9727	9728	@panic("TODO");
9728	9729	},
9729	9730	.memory => unreachable, // handled above
	9731	.win_i128 => unreachable, // windows only
9730	9732	.none => break,
9731	9733	}
9732	9734	}
...	...	@@ -9851,6 +9853,11 @@ const ParamTypeIterator = struct {
9851	9853	return .abi_sized_int;
9852	9854	}
9853	9855	},
	9856	.win_i128 => {
	9857	it.zig_index += 1;
	9858	it.llvm_index += 1;
	9859	return .byref;
	9860	},
9854	9861	.memory => {
9855	9862	it.zig_index += 1;
9856	9863	it.llvm_index += 1;
...	...	@@ -9905,6 +9912,7 @@ const ParamTypeIterator = struct {
9905	9912	@panic("TODO");
9906	9913	},
9907	9914	.memory => unreachable, // handled above
	9915	.win_i128 => unreachable, // windows only
9908	9916	.none => break,
9909	9917	}
9910	9918	}