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tools: eliminate dependency on std.SegmentedList

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This commit is contained in:
Andrew Kelley 2025-09-19 16:39:36 -07:00
parent 164c598cd8
commit 4a38d783e8
1 changed files with 11 additions and 8 deletions
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19
tools/update_cpu_features.zig
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@ -1737,10 +1737,11 @@ fn processOneTarget(job: Job) void {
const collate_progress = progress_node.start("collating LLVM data", 0);
// So far, LLVM only has a few aliases for the same CPU.
var cpu_aliases = std.StringHashMap(std.SegmentedList(struct {
const Alias = struct {
llvm: []const u8,
zig: []const u8,
}, 4)).init(arena);
};
var cpu_aliases = std.StringHashMap(std.ArrayList(*Alias)).init(arena);
{
var it = root_map.iterator();
@ -1756,12 +1757,16 @@ fn processOneTarget(job: Job) void {
const gop = try cpu_aliases.getOrPut(try llvmNameToZigName(arena, llvm_name));
if (!gop.found_existing) gop.value_ptr.* = .{};
if (!gop.found_existing) {
gop.value_ptr.* = .empty;
}
try gop.value_ptr.append(arena, .{
const alias = try arena.create(Alias);
alias.* = .{
.llvm = llvm_alias,
.zig = try llvmNameToZigName(arena, llvm_alias),
});
};
try gop.value_ptr.append(arena, alias);
}
}
}
@ -1918,9 +1923,7 @@ fn processOneTarget(job: Job) void {
});
if (cpu_aliases.get(zig_name)) |aliases| {
var alias_it = aliases.constIterator(0);
alias_it: while (alias_it.next()) |alias| {
alias_it: for (aliases.items) |alias| {
for (target.omit_cpus) |omit_cpu_name| {
if (mem.eql(u8, omit_cpu_name, alias.llvm)) continue :alias_it;
}