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riscv: implement optional_payload_ptr_set

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This commit is contained in:
David Rubin 2024-09-12 17:05:48 -07:00 committed by xdBronch
parent 0329b8387c
commit bc161430b0
6 changed files with 32 additions and 9 deletions
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32
src/arch/riscv64/CodeGen.zig
View File

@ -3364,8 +3364,38 @@ fn airOptionalPayloadPtr(func: *Func, inst: Air.Inst.Index) !void {
}
fn airOptionalPayloadPtrSet(func: *Func, inst: Air.Inst.Index) !void {
const zcu = func.pt.zcu;
const ty_op = func.air.instructions.items(.data)[@intFromEnum(inst)].ty_op;
const result: MCValue = if (func.liveness.isUnused(inst)) .unreach else return func.fail("TODO implement .optional_payload_ptr_set for {}", .{func.target.cpu.arch});
const result: MCValue = if (func.liveness.isUnused(inst)) .unreach else result: {
const dst_ty = func.typeOfIndex(inst);
const src_ty = func.typeOf(ty_op.operand);
const opt_ty = src_ty.childType(zcu);
const src_mcv = try func.resolveInst(ty_op.operand);
if (opt_ty.optionalReprIsPayload(zcu)) {
break :result if (func.reuseOperand(inst, ty_op.operand, 0, src_mcv))
src_mcv
else
try func.copyToNewRegister(inst, src_mcv);
}
const dst_mcv: MCValue = if (src_mcv.isRegister() and
func.reuseOperand(inst, ty_op.operand, 0, src_mcv))
src_mcv
else
try func.copyToNewRegister(inst, src_mcv);
const pl_ty = dst_ty.childType(zcu);
const pl_abi_size: i32 = @intCast(pl_ty.abiSize(zcu));
try func.genSetMem(
.{ .reg = dst_mcv.getReg().? },
pl_abi_size,
Type.bool,
.{ .immediate = 1 },
);
break :result dst_mcv;
};
return func.finishAir(inst, result, .{ ty_op.operand, .none, .none });
}

1
test/behavior/cast.zig
View File

@ -1875,7 +1875,6 @@ test "peer type resolution: vector and optional vector" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
var a: ?@Vector(3, u32) = .{ 0, 1, 2 };
var b: @Vector(3, u32) = .{ 3, 4, 5 };

3
test/behavior/decl_literals.zig
View File

@ -33,8 +33,7 @@ test "decl literal with pointer" {
}
test "call decl literal with optional" {
if (builtin.zig_backend == .stage2_riscv64 or
builtin.zig_backend == .stage2_sparc64 or
if (builtin.zig_backend == .stage2_sparc64 or
builtin.zig_backend == .stage2_arm or
builtin.zig_backend == .stage2_aarch64 or
builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest; // TODO

1
test/behavior/optional.zig
View File

@ -320,7 +320,6 @@ test "coerce an anon struct literal to optional struct" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
const Struct = struct {

3
test/behavior/struct.zig
View File

@ -1165,7 +1165,6 @@ test "anon init through error unions and optionals" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
a: u32,
@ -1193,7 +1192,6 @@ test "anon init through optional" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
a: u32,
@ -1503,7 +1501,6 @@ test "no dependency loop on pointer to optional struct" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
const A = struct { b: B };

1
test/behavior/union.zig
View File

@ -1268,7 +1268,6 @@ test "extern union most-aligned field is smaller" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const U = extern union {
in6: extern struct {