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hit a comptime limitation with computing dense sets

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This commit is contained in:
Andrew Kelley
2020-01-21 19:40:44 -05:00
parent 15d5cab569
commit 92559cd02c
21 changed files with 1720 additions and 3107 deletions
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54
lib/std/target/wasm.zig
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@@ -18,80 +18,66 @@ pub usingnamespace Cpu.Feature.feature_set_fns(Feature);
pub const all_features = blk: {
const len = @typeInfo(Feature).Enum.fields.len;
std.debug.assert(len <= Cpu.Feature.Set.bit_count);
std.debug.assert(len <= Cpu.Feature.Set.needed_bit_count);
var result: [len]Cpu.Feature = undefined;
result[@enumToInt(Feature.atomics)] = .{
.index = @enumToInt(Feature.atomics),
.name = @tagName(Feature.atomics),
.llvm_name = "atomics",
.description = "Enable Atomics",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.bulk_memory)] = .{
.index = @enumToInt(Feature.bulk_memory),
.name = @tagName(Feature.bulk_memory),
.llvm_name = "bulk-memory",
.description = "Enable bulk memory operations",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.exception_handling)] = .{
.index = @enumToInt(Feature.exception_handling),
.name = @tagName(Feature.exception_handling),
.llvm_name = "exception-handling",
.description = "Enable Wasm exception handling",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.multivalue)] = .{
.index = @enumToInt(Feature.multivalue),
.name = @tagName(Feature.multivalue),
.llvm_name = "multivalue",
.description = "Enable multivalue blocks, instructions, and functions",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.mutable_globals)] = .{
.index = @enumToInt(Feature.mutable_globals),
.name = @tagName(Feature.mutable_globals),
.llvm_name = "mutable-globals",
.description = "Enable mutable globals",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.nontrapping_fptoint)] = .{
.index = @enumToInt(Feature.nontrapping_fptoint),
.name = @tagName(Feature.nontrapping_fptoint),
.llvm_name = "nontrapping-fptoint",
.description = "Enable non-trapping float-to-int conversion operators",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.sign_ext)] = .{
.index = @enumToInt(Feature.sign_ext),
.name = @tagName(Feature.sign_ext),
.llvm_name = "sign-ext",
.description = "Enable sign extension operators",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.simd128)] = .{
.index = @enumToInt(Feature.simd128),
.name = @tagName(Feature.simd128),
.llvm_name = "simd128",
.description = "Enable 128-bit SIMD",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.tail_call)] = .{
.index = @enumToInt(Feature.tail_call),
.name = @tagName(Feature.tail_call),
.llvm_name = "tail-call",
.description = "Enable tail call instructions",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.unimplemented_simd128)] = .{
.index = @enumToInt(Feature.unimplemented_simd128),
.name = @tagName(Feature.unimplemented_simd128),
.llvm_name = "unimplemented-simd128",
.description = "Enable 128-bit SIMD not yet implemented in engines",
.dependencies = featureSet(&[_]Feature{
.dependencies = sparseFeatureSet(&[_]Feature{
.simd128,
}),
};
const ti = @typeInfo(Feature);
for (result) |*elem, i| {
elem.index = i;
elem.name = ti.Enum.fields[i].name;
elem.dependencies.initAsDependencies(i, &result);
}
break :blk result;
};
@@ -99,7 +85,7 @@ pub const cpu = struct {
pub const bleeding_edge = Cpu{
.name = "bleeding_edge",
.llvm_name = "bleeding-edge",
.features = featureSet(&[_]Feature{
.features = featureSet(&all_features, &[_]Feature{
.atomics,
.mutable_globals,
.nontrapping_fptoint,
@@ -110,12 +96,12 @@ pub const cpu = struct {
pub const generic = Cpu{
.name = "generic",
.llvm_name = "generic",
.features = featureSet(&[_]Feature{}),
.features = featureSet(&all_features, &[_]Feature{}),
};
pub const mvp = Cpu{
.name = "mvp",
.llvm_name = "mvp",
.features = featureSet(&[_]Feature{}),
.features = featureSet(&all_features, &[_]Feature{}),
};
};