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riscv: implement more operators

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we can run `std.debug.print` now, with both run-time strings and integers!
This commit is contained in:
David Rubin 2024-07-05 03:49:09 -07:00
parent 9766b68c47
commit 8d30fc45c4
No known key found for this signature in database
GPG key ID: A4390FEB5F00C0A5
22 changed files with 124 additions and 146 deletions
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16
lib/compiler/test_runner.zig
View file

@ -271,6 +271,7 @@ pub fn mainSimple() anyerror!void {
};
// is the backend capable of using std.fmt.format to print a summary at the end?
const print_summary = switch (builtin.zig_backend) {
.stage2_riscv64 => true,
else => false,
};
@ -282,11 +283,13 @@ pub fn mainSimple() anyerror!void {
const stderr = if (comptime enable_print) std.io.getStdErr() else {};
for (builtin.test_functions) |test_fn| {
if (enable_print) {
stderr.writeAll(test_fn.name) catch {};
stderr.writeAll("... ") catch {};
}
test_fn.func() catch |err| {
if (test_fn.func()) |_| {
if (enable_print) {
stderr.writeAll(test_fn.name) catch {};
stderr.writeAll("... ") catch {};
stderr.writeAll("PASS\n") catch {};
}
} else |err| if (enable_print) {
if (enable_print) {
stderr.writeAll(test_fn.name) catch {};
stderr.writeAll("... ") catch {};
@ -300,8 +303,7 @@ pub fn mainSimple() anyerror!void {
if (enable_print) stderr.writeAll("SKIP\n") catch {};
skipped += 1;
continue;
};
if (enable_print) stderr.writeAll("PASS\n") catch {};
}
passed += 1;
}
if (enable_print and print_summary) {

9
lib/std/builtin.zig
View file

@ -775,14 +775,7 @@ pub fn default_panic(msg: []const u8, error_return_trace: ?*StackTrace, ret_addr
}
if (builtin.zig_backend == .stage2_riscv64) {
asm volatile ("ecall"
:
: [number] "{a7}" (64),
[arg1] "{a0}" (1),
[arg2] "{a1}" (@intFromPtr(msg.ptr)),
[arg3] "{a2}" (msg.len),
: "memory"
);
std.debug.print("panic: {s}\n", .{msg});
std.posix.exit(127);
}

2
src/Package/Module.zig
View file

@ -159,7 +159,7 @@ pub fn create(arena: Allocator, options: CreateOptions) !*Package.Module {
if (options.inherited.single_threaded) |x| break :b x;
if (options.parent) |p| break :b p.single_threaded;
break :b target_util.defaultSingleThreaded(target);
break :b target_util.defaultSingleThreaded(target, zig_backend);
};
const error_tracing = b: {

206
src/arch/riscv64/CodeGen.zig
View file

@ -51,7 +51,6 @@ const InnerError = CodeGenError || error{OutOfRegisters};
pt: Zcu.PerThread,
air: Air,
liveness: Liveness,
zcu: *Zcu,
bin_file: *link.File,
gpa: Allocator,
@ -264,13 +263,13 @@ const MCValue = union(enum) {
.register_pair,
.memory,
.indirect,
.load_frame,
.load_symbol,
.lea_symbol,
=> switch (off) {
0 => mcv,
else => unreachable, // not offsettable
else => unreachable,
},
.load_frame => |frame| .{ .load_frame = .{ .index = frame.index, .off = frame.off + off } },
.immediate => |imm| .{ .immediate = @bitCast(@as(i64, @bitCast(imm)) +% off) },
.register => |reg| .{ .register_offset = .{ .reg = reg, .off = off } },
.register_offset => |reg_off| .{ .register_offset = .{ .reg = reg_off.reg, .off = reg_off.off + off } },
@ -737,7 +736,6 @@ pub fn generate(
.air = air,
.pt = pt,
.mod = mod,
.zcu = zcu,
.bin_file = bin_file,
.liveness = liveness,
.target = target,
@ -946,7 +944,7 @@ fn formatDecl(
}
fn fmtDecl(func: *Func, decl_index: InternPool.DeclIndex) std.fmt.Formatter(formatDecl) {
return .{ .data = .{
.zcu = func.zcu,
.zcu = func.pt.zcu,
.decl_index = decl_index,
} };
}
@ -1325,6 +1323,7 @@ fn genBody(func: *Func, body: []const Air.Inst.Index) InnerError!void {
.mul,
.mul_wrap,
.div_trunc,
.rem,
.shl, .shl_exact,
.shr, .shr_exact,
@ -1344,7 +1343,6 @@ fn genBody(func: *Func, body: []const Air.Inst.Index) InnerError!void {
.ptr_add,
.ptr_sub => try func.airPtrArithmetic(inst, tag),
.rem,
.mod,
.div_float,
.div_floor,
@ -2151,11 +2149,16 @@ fn airTrunc(func: *Func, inst: Air.Inst.Index) !void {
const ty_op = func.air.instructions.items(.data)[@intFromEnum(inst)].ty_op;
if (func.liveness.isUnused(inst))
return func.finishAir(inst, .unreach, .{ ty_op.operand, .none, .none });
// we assume no zeroext in the "Zig ABI", so it's fine to just not truncate it.
const operand = try func.resolveInst(ty_op.operand);
_ = operand;
return func.fail("TODO implement trunc for {}", .{func.target.cpu.arch});
// return func.finishAir(inst, result, .{ ty_op.operand, .none, .none });
// we can do it just to be safe, but this shouldn't be needed for no-runtime safety modes
switch (operand) {
.register => |reg| try func.truncateRegister(func.typeOf(ty_op.operand), reg),
else => {},
}
return func.finishAir(inst, operand, .{ ty_op.operand, .none, .none });
}
fn airIntFromBool(func: *Func, inst: Air.Inst.Index) !void {
@ -2305,10 +2308,7 @@ fn binOp(
80, 128 => true,
else => unreachable,
};
switch (air_tag) {
.rem, .mod => {},
else => if (!type_needs_libcall) break :libcall,
}
if (!type_needs_libcall) break :libcall;
return func.fail("binOp libcall runtime-float ops", .{});
}
@ -2384,6 +2384,7 @@ fn genBinOp(
.sub_wrap,
.mul,
.mul_wrap,
.rem,
=> {
if (!math.isPowerOfTwo(bit_size))
return func.fail(
@ -2391,6 +2392,15 @@ fn genBinOp(
.{ @tagName(tag), bit_size },
);
switch (tag) {
.rem,
=> {
try func.truncateRegister(lhs_ty, lhs_reg);
try func.truncateRegister(rhs_ty, rhs_reg);
},
else => {},
}
switch (lhs_ty.zigTypeTag(zcu)) {
.Int => {
const mir_tag: Mir.Inst.Tag = switch (tag) {
@ -2409,6 +2419,10 @@ fn genBinOp(
32 => .mulw,
else => unreachable,
},
.rem => switch (bit_size) {
64 => if (is_unsigned) .remu else .rem,
else => if (is_unsigned) .remuw else .remu,
},
else => unreachable,
};
@ -2423,14 +2437,6 @@ fn genBinOp(
},
},
});
// truncate when the instruction is larger than the bit size.
switch (bit_size) {
8, 16 => try func.truncateRegister(lhs_ty, dst_reg),
32 => {}, // addw/subw affects the first 32-bits
64 => {}, // add/sub affects the entire register
else => unreachable,
}
},
.Float => {
const mir_tag: Mir.Inst.Tag = switch (tag) {
@ -2627,23 +2633,17 @@ fn genBinOp(
.shl,
.shl_exact,
=> {
if (!math.isPowerOfTwo(bit_size))
return func.fail(
"TODO: genBinOp {s} non-pow 2, found {}",
.{ @tagName(tag), bit_size },
);
// it's important that the shift amount is exact
if (bit_size > 64) return func.fail("TODO: genBinOp shift > 64 bits, {}", .{bit_size});
try func.truncateRegister(rhs_ty, rhs_reg);
const mir_tag: Mir.Inst.Tag = switch (tag) {
.shl, .shl_exact => switch (bit_size) {
8, 16, 64 => .sll,
1...31, 33...64 => .sll,
32 => .sllw,
else => unreachable,
},
.shr, .shr_exact => switch (bit_size) {
8, 16, 64 => .srl,
1...31, 33...64 => .srl,
32 => .srlw,
else => unreachable,
},
@ -2659,13 +2659,6 @@ fn genBinOp(
.rs2 = rhs_reg,
} },
});
switch (bit_size) {
8, 16 => try func.truncateRegister(lhs_ty, dst_reg),
32 => {},
64 => {},
else => unreachable,
}
},
// TODO: move the isel logic out of lower and into here.
@ -2810,10 +2803,6 @@ fn airAddWithOverflow(func: *Func, inst: Air.Inst.Index) !void {
if (int_info.bits >= 8 and math.isPowerOfTwo(int_info.bits)) {
const add_result = try func.binOp(null, .add, extra.lhs, extra.rhs);
const add_result_reg = try func.copyToTmpRegister(ty, add_result);
const add_result_reg_lock = func.register_manager.lockRegAssumeUnused(add_result_reg);
defer func.register_manager.unlockReg(add_result_reg_lock);
try func.genSetMem(
.{ .frame = offset.index },
offset.off + @as(i32, @intCast(tuple_ty.structFieldOffset(0, pt))),
@ -2821,14 +2810,21 @@ fn airAddWithOverflow(func: *Func, inst: Air.Inst.Index) !void {
add_result,
);
const trunc_reg = try func.copyToTmpRegister(ty, add_result);
const trunc_reg_lock = func.register_manager.lockRegAssumeUnused(trunc_reg);
defer func.register_manager.unlockReg(trunc_reg_lock);
const overflow_reg, const overflow_lock = try func.allocReg(.int);
defer func.register_manager.unlockReg(overflow_lock);
// if the result isn't equal after truncating it to the given type,
// an overflow must have happened.
try func.truncateRegister(func.typeOf(extra.lhs), trunc_reg);
try func.genBinOp(
.cmp_neq,
.{ .register = add_result_reg },
add_result,
ty,
.{ .register = add_result_reg },
.{ .register = trunc_reg },
ty,
overflow_reg,
);
@ -3022,61 +3018,34 @@ fn airMulWithOverflow(func: *Func, inst: Air.Inst.Index) !void {
switch (lhs_ty.zigTypeTag(zcu)) {
else => |x| return func.fail("TODO: airMulWithOverflow {s}", .{@tagName(x)}),
.Int => {
assert(lhs_ty.eql(rhs_ty, zcu));
const int_info = lhs_ty.intInfo(zcu);
switch (int_info.bits) {
1...32 => {
if (int_info.bits >= 8 and math.isPowerOfTwo(int_info.bits)) {
if (int_info.signedness == .unsigned) {
switch (int_info.bits) {
1...8 => {
const max_val = std.math.pow(u16, 2, int_info.bits) - 1;
if (std.debug.runtime_safety) assert(lhs_ty.eql(rhs_ty, zcu));
const add_reg, const add_lock = try func.promoteReg(lhs_ty, lhs);
defer if (add_lock) |lock| func.register_manager.unlockReg(lock);
const trunc_reg = try func.copyToTmpRegister(lhs_ty, .{ .register = dest_reg });
const trunc_reg_lock = func.register_manager.lockRegAssumeUnused(trunc_reg);
defer func.register_manager.unlockReg(trunc_reg_lock);
const overflow_reg, const overflow_lock = try func.allocReg(.int);
defer func.register_manager.unlockReg(overflow_lock);
const overflow_reg, const overflow_lock = try func.allocReg(.int);
defer func.register_manager.unlockReg(overflow_lock);
_ = try func.addInst(.{
.tag = .andi,
.ops = .rri,
.data = .{ .i_type = .{
.rd = overflow_reg,
.rs1 = add_reg,
.imm12 = Immediate.s(max_val),
} },
});
// if the result isn't equal after truncating it to the given type,
// an overflow must have happened.
try func.truncateRegister(func.typeOf(extra.lhs), trunc_reg);
try func.genBinOp(
.cmp_neq,
.{ .register = dest_reg },
lhs_ty,
.{ .register = trunc_reg },
rhs_ty,
overflow_reg,
);
try func.genBinOp(
.cmp_neq,
.{ .register = overflow_reg },
lhs_ty,
.{ .register = add_reg },
lhs_ty,
overflow_reg,
);
try func.genCopy(
lhs_ty,
result_mcv.offset(overflow_off),
.{ .register = overflow_reg },
);
try func.genCopy(
lhs_ty,
result_mcv.offset(overflow_off),
.{ .register = overflow_reg },
);
break :result result_mcv;
},
else => return func.fail("TODO: airMulWithOverflow check for size {d}", .{int_info.bits}),
}
} else {
return func.fail("TODO: airMulWithOverflow calculate carry for signed addition", .{});
}
} else {
return func.fail("TODO: airMulWithOverflow with < 8 bits or non-pow of 2", .{});
}
},
else => return func.fail("TODO: airMulWithOverflow larger than 32-bit mul", .{}),
}
break :result result_mcv;
},
}
};
@ -3317,7 +3286,17 @@ fn airWrapOptional(func: *Func, inst: Air.Inst.Index) !void {
Type.u8,
.{ .immediate = 1 },
),
.register => return func.fail("TODO: airWrapOption opt_mcv register", .{}),
.register => |opt_reg| {
try func.genBinOp(
.shl,
.{ .immediate = 1 },
Type.u64,
.{ .immediate = 32 },
Type.u64,
opt_reg,
);
},
else => unreachable,
}
}
@ -4059,7 +4038,7 @@ fn airLoad(func: *Func, inst: Air.Inst.Index) !void {
const elem_size = elem_ty.abiSize(pt);
const dst_mcv: MCValue = blk: {
// Pointer is 8 bytes, and if the element is more than that, we cannot reuse it.
// "ptr" is 8 bytes, and if the element is more than that, we cannot reuse it.
if (elem_size <= 8 and func.reuseOperand(inst, ty_op.operand, 0, ptr)) {
// The MCValue that holds the pointer can be re-used as the value.
break :blk ptr;
@ -4970,7 +4949,7 @@ fn isNull(func: *Func, inst: Air.Inst.Index, opt_ty: Type, opt_mcv: MCValue) !MC
.lea_symbol,
.reserved_frame,
.air_ref,
=> return func.fail("TODO: hmm {}", .{opt_mcv}),
=> unreachable,
.register => |opt_reg| {
if (some_info.off == 0) {
@ -4993,9 +4972,27 @@ fn isNull(func: *Func, inst: Air.Inst.Index, opt_ty: Type, opt_mcv: MCValue) !MC
return return_mcv;
}
assert(some_info.ty.ip_index == .bool_type);
const opt_abi_size: u32 = @intCast(opt_ty.abiSize(pt));
_ = opt_abi_size;
return func.fail("TODO: isNull some_info.off != 0 register", .{});
const bit_offset: u7 = @intCast(some_info.off * 8);
try func.genBinOp(
.shr,
.{ .register = opt_reg },
Type.u64,
.{ .immediate = bit_offset },
Type.u8,
return_reg,
);
try func.truncateRegister(Type.u8, return_reg);
try func.genBinOp(
.cmp_eq,
.{ .register = return_reg },
Type.u64,
.{ .immediate = 0 },
Type.u8,
return_reg,
);
return return_mcv;
},
.load_frame => {
@ -6556,7 +6553,8 @@ fn airAtomicRmw(func: *Func, inst: Air.Inst.Index) !void {
}
fn airAtomicLoad(func: *Func, inst: Air.Inst.Index) !void {
const zcu = func.pt.zcu;
const pt = func.pt;
const zcu = pt.zcu;
const atomic_load = func.air.instructions.items(.data)[@intFromEnum(inst)].atomic_load;
const order: std.builtin.AtomicOrder = atomic_load.order;
@ -6564,6 +6562,9 @@ fn airAtomicLoad(func: *Func, inst: Air.Inst.Index) !void {
const elem_ty = ptr_ty.childType(zcu);
const ptr_mcv = try func.resolveInst(atomic_load.ptr);
const bit_size = elem_ty.bitSize(pt);
if (bit_size > 64) return func.fail("TODO: airAtomicStore > 64 bits", .{});
const result_mcv = try func.allocRegOrMem(elem_ty, inst, true);
assert(result_mcv == .register); // should be less than 8 bytes
@ -6616,6 +6617,9 @@ fn airAtomicStore(func: *Func, inst: Air.Inst.Index, order: std.builtin.AtomicOr
const val_ty = func.typeOf(bin_op.rhs);
const val_mcv = try func.resolveInst(bin_op.rhs);
const bit_size = val_ty.bitSize(func.pt);
if (bit_size > 64) return func.fail("TODO: airAtomicStore > 64 bits", .{});
switch (order) {
.unordered, .monotonic => {},
.release, .seq_cst => {

3
src/target.zig
View file

@ -60,9 +60,10 @@ pub fn alwaysSingleThreaded(target: std.Target) bool {
return false;
}
pub fn defaultSingleThreaded(target: std.Target) bool {
pub fn defaultSingleThreaded(target: std.Target, backend: std.builtin.CompilerBackend) bool {
switch (target.cpu.arch) {
.wasm32, .wasm64 => return true,
.riscv64 => if (backend == .stage2_riscv64) return true,
else => {},
}
switch (target.os.tag) {

1
test/behavior/align.zig
View file

@ -16,7 +16,6 @@ test "global variable alignment" {
}
test "large alignment of local constant" {
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest; // flaky

2
test/behavior/basic.zig
View file

@ -16,8 +16,6 @@ test "empty function with comments" {
}
test "truncate" {
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
try expect(testTruncate(0x10fd) == 0xfd);
comptime assert(testTruncate(0x10fd) == 0xfd);
}

1
test/behavior/call.zig
View file

@ -441,7 +441,6 @@ test "non-anytype generic parameters provide result type" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
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_riscv64) return error.SkipZigTest;
const S = struct {
fn f(comptime T: type, y: T) !void {

2
test/behavior/cast.zig
View file

@ -1845,7 +1845,6 @@ test "peer type resolution: three-way resolution combines error set and optional
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
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_riscv64) return error.SkipZigTest;
const E = error{Foo};
var a: E = error.Foo;
@ -1960,7 +1959,6 @@ test "peer type resolution: vector and tuple" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
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_riscv64) return error.SkipZigTest;
var vec: @Vector(3, i32) = .{ 1, 2, 3 };
_ = &vec;

2
test/behavior/destructure.zig
View file

@ -23,8 +23,6 @@ test "simple destructure" {
}
test "destructure with comptime syntax" {
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
fn doTheTest() !void {
{

1
test/behavior/enum.zig
View file

@ -1076,7 +1076,6 @@ test "enum literal casting to optional" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
var bar: ?Bar = undefined;
bar = .B;

1
test/behavior/fn.zig
View file

@ -181,7 +181,6 @@ test "function with complex callconv and return type expressions" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
try expect(fComplexCallconvRet(3).x == 9);
}

2
test/behavior/for.zig
View file

@ -112,7 +112,6 @@ test "for with null and T peer types and inferred result location type" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
fn doTheTest(slice: []const u8) !void {
@ -228,7 +227,6 @@ test "else continue outer for" {
test "for loop with else branch" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
{
var x = [_]u32{ 1, 2 };

3
test/behavior/if.zig
View file

@ -82,7 +82,6 @@ test "const result loc, runtime if cond, else unreachable" {
test "if copies its payload" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
fn doTheTest() !void {
@ -147,8 +146,6 @@ test "if-else expression with runtime condition result location is inferred opti
}
test "result location with inferred type ends up being pointer to comptime_int" {
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
var a: ?u32 = 1234;
var b: u32 = 2000;
_ = .{ &a, &b };

9
test/behavior/math.zig
View file

@ -689,6 +689,8 @@ fn testSignedWrappingEval(x: i32) !void {
}
test "signed negation wrapping" {
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
try testSignedNegationWrappingEval(minInt(i16));
try comptime testSignedNegationWrappingEval(minInt(i16));
}
@ -699,6 +701,8 @@ fn testSignedNegationWrappingEval(x: i16) !void {
}
test "unsigned negation wrapping" {
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
try testUnsignedNegationWrappingEval(1);
try comptime testUnsignedNegationWrappingEval(1);
}
@ -725,7 +729,6 @@ fn negateWrap(comptime T: type, x: T) T {
test "unsigned 64-bit division" {
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_riscv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch.isMIPS()) {
// https://github.com/ziglang/zig/issues/16846
@ -838,7 +841,6 @@ test "@addWithOverflow" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
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_riscv64) return error.SkipZigTest;
try testAddWithOverflow(u8, 250, 100, 94, 1);
try testAddWithOverflow(u8, 100, 150, 250, 0);
@ -927,7 +929,6 @@ fn testMulWithOverflow(comptime T: type, a: T, b: T, mul: T, bit: u1) !void {
test "basic @mulWithOverflow" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
try testMulWithOverflow(u8, 86, 3, 2, 1);
try testMulWithOverflow(u8, 85, 3, 255, 0);
@ -1330,6 +1331,8 @@ test "quad hex float literal parsing accurate" {
}
test "truncating shift left" {
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
try testShlTrunc(maxInt(u16));
try comptime testShlTrunc(maxInt(u16));
}

1
test/behavior/null.zig
View file

@ -188,7 +188,6 @@ test "unwrap optional which is field of global var" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
struct_with_optional.field = null;
if (struct_with_optional.field) |payload| {

3
test/behavior/optional.zig
View file

@ -134,7 +134,6 @@ test "nested optional field in 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_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S2 = struct {
y: u8,
@ -287,7 +286,6 @@ test "nested orelse" {
test "self-referential struct through a slice of 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_riscv64) return error.SkipZigTest;
const S = struct {
const Node = struct {
@ -566,7 +564,6 @@ test "Optional slice passed to function" {
test "peer type resolution in nested if expressions" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const Thing = struct { n: i32 };
var a = false;

1
test/behavior/packed-struct.zig
View file

@ -1096,7 +1096,6 @@ test "packed struct used as part of anon decl name" {
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 = packed struct { a: u0 = 0 };
var a: u8 = 0;

1
test/behavior/struct.zig
View file

@ -1573,7 +1573,6 @@ test "no dependency loop on optional field wrapped in generic function" {
test "optional field init with tuple" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
a: ?struct { b: u32 },

1
test/behavior/switch.zig
View file

@ -516,7 +516,6 @@ test "switch with null and T peer types and inferred result location type" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
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_riscv64) return error.SkipZigTest;
const S = struct {
fn doTheTest(c: u8) !void {

2
test/behavior/threadlocal.zig
View file

@ -6,7 +6,6 @@ test "thread local variable" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_llvm) switch (builtin.cpu.arch) {
.x86_64, .x86 => {},
else => return error.SkipZigTest,
@ -47,7 +46,6 @@ test "reference a global threadlocal variable" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_llvm) switch (builtin.cpu.arch) {
.x86_64, .x86 => {},
else => return error.SkipZigTest,

1
test/behavior/while.zig
View file

@ -106,7 +106,6 @@ fn testBreakOuter() void {
test "while copies its payload" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const S = struct {
fn doTheTest() !void {