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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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30
lib/std/target/bpf.zig
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@@ -11,29 +11,29 @@ 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.alu32)] = .{
.index = @enumToInt(Feature.alu32),
.name = @tagName(Feature.alu32),
.llvm_name = "alu32",
.description = "Enable ALU32 instructions",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.dummy)] = .{
.index = @enumToInt(Feature.dummy),
.name = @tagName(Feature.dummy),
.llvm_name = "dummy",
.description = "unused feature",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
result[@enumToInt(Feature.dwarfris)] = .{
.index = @enumToInt(Feature.dwarfris),
.name = @tagName(Feature.dwarfris),
.llvm_name = "dwarfris",
.description = "Disable MCAsmInfo DwarfUsesRelocationsAcrossSections",
.dependencies = featureSet(&[_]Feature{}),
.dependencies = sparseFeatureSet(&[_]Feature{}),
};
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;
};
@@ -41,27 +41,27 @@ pub const cpu = struct {
pub const generic = Cpu{
.name = "generic",
.llvm_name = "generic",
.features = featureSet(&[_]Feature{}),
.features = featureSet(&all_features, &[_]Feature{}),
};
pub const probe = Cpu{
.name = "probe",
.llvm_name = "probe",
.features = featureSet(&[_]Feature{}),
.features = featureSet(&all_features, &[_]Feature{}),
};
pub const v1 = Cpu{
.name = "v1",
.llvm_name = "v1",
.features = featureSet(&[_]Feature{}),
.features = featureSet(&all_features, &[_]Feature{}),
};
pub const v2 = Cpu{
.name = "v2",
.llvm_name = "v2",
.features = featureSet(&[_]Feature{}),
.features = featureSet(&all_features, &[_]Feature{}),
};
pub const v3 = Cpu{
.name = "v3",
.llvm_name = "v3",
.features = featureSet(&[_]Feature{}),
.features = featureSet(&all_features, &[_]Feature{}),
};
};