gitback/zig
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

update_cpu_features: Support omitting deps

Browse Source
This commit is contained in:
Carl Åstholm 2024-01-09 17:32:16 +01:00
parent 60094cc3fc
commit 55f2a6684e
1 changed files with 48 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
tools/update_cpu_features.zig
View File

@ -16,6 +16,7 @@ const FeatureOverride = struct {
flatten: bool = false,
zig_name: ?[]const u8 = null,
desc: ?[]const u8 = null,
omit_deps: []const []const u8 = &.{},
extra_deps: []const []const u8 = &.{},
};
@ -1114,18 +1115,8 @@ fn processOneTarget(job: Job) anyerror!void {
var deps = std.ArrayList([]const u8).init(arena);
var omit = false;
var flatten = false;
const implies = kv.value_ptr.object.get("Implies").?.array;
for (implies.items) |imply| {
const other_key = imply.object.get("def").?.string;
const other_obj = &root_map.getPtr(other_key).?.object;
const other_llvm_name = other_obj.get("Name").?.string;
const other_zig_name = (try llvmNameToZigNameOmit(
arena,
llvm_target,
other_llvm_name,
)) orelse continue;
try deps.append(other_zig_name);
}
var omit_deps: []const []const u8 = &.{};
var extra_deps: []const []const u8 = &.{};
for (llvm_target.feature_overrides) |feature_override| {
if (mem.eql(u8, llvm_name, feature_override.llvm_name)) {
if (feature_override.omit) {
@ -1142,12 +1133,30 @@ fn processOneTarget(job: Job) anyerror!void {
if (feature_override.desc) |override_desc| {
desc = override_desc;
}
for (feature_override.extra_deps) |extra_dep| {
try deps.append(extra_dep);
}
omit_deps = feature_override.omit_deps;
extra_deps = feature_override.extra_deps;
break;
}
}
const implies = kv.value_ptr.object.get("Implies").?.array;
for (implies.items) |imply| {
const other_key = imply.object.get("def").?.string;
const other_obj = &root_map.getPtr(other_key).?.object;
const other_llvm_name = other_obj.get("Name").?.string;
const other_zig_name = (try llvmNameToZigNameOmit(
arena,
llvm_target,
other_llvm_name,
)) orelse continue;
for (omit_deps) |omit_dep| {
if (mem.eql(u8, other_zig_name, omit_dep)) break;
} else {
try deps.append(other_zig_name);
}
}
for (extra_deps) |extra_dep| {
try deps.append(extra_dep);
}
const feature: Feature = .{
.llvm_name = llvm_name,
.zig_name = zig_name,
@ -1170,6 +1179,21 @@ fn processOneTarget(job: Job) anyerror!void {
var zig_name = try llvmNameToZigName(arena, llvm_name);
var deps = std.ArrayList([]const u8).init(arena);
var omit_deps: []const []const u8 = &.{};
var extra_deps: []const []const u8 = &.{};
for (llvm_target.feature_overrides) |feature_override| {
if (mem.eql(u8, llvm_name, feature_override.llvm_name)) {
if (feature_override.omit) {
continue :root_it;
}
if (feature_override.zig_name) |override_name| {
zig_name = override_name;
}
omit_deps = feature_override.omit_deps;
extra_deps = feature_override.extra_deps;
break;
}
}
const features = kv.value_ptr.object.get("Features").?.array;
for (features.items) |feature| {
const feature_key = feature.object.get("def").?.string;
@ -1181,7 +1205,14 @@ fn processOneTarget(job: Job) anyerror!void {
llvm_target,
feature_llvm_name,
)) orelse continue;
try deps.append(feature_zig_name);
for (omit_deps) |omit_dep| {
if (mem.eql(u8, feature_zig_name, omit_dep)) break;
} else {
try deps.append(feature_zig_name);
}
}
for (extra_deps) |extra_dep| {
try deps.append(extra_dep);
}
const tune_features = kv.value_ptr.object.get("TuneFeatures").?.array;
for (tune_features.items) |feature| {
@ -1228,7 +1259,7 @@ fn processOneTarget(job: Job) anyerror!void {
mem.sort(Feature, all_features.items, {}, featureLessThan);
mem.sort(Cpu, all_cpus.items, {}, cpuLessThan);
const target_sub_path = try fs.path.join(arena, &.{ "lib", "std", "target" });
const target_sub_path = try fs.path.join(arena, &.{ "lib", "std", "Target" });
var target_dir = try job.zig_src_dir.makeOpenPath(target_sub_path, .{});
defer target_dir.close();