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std › zig › system.detectNativeCpuAndFeatures

detectNativeCpuAndFeatures

Function parameters

Parameters

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cpu_arch:Target.Cpu.Arch
os:Target.Os
query:Target.Query

Type definitions in this namespace

Types

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Return whether or not the given host is capable of running executables of

Functions

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getExternalExecutor
Return whether or not the given host is capable of running executables of
resolveTargetQuery
Given a `Target.Query`, which specifies in detail which parts of the

Error sets in this namespace

Error Sets

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Source

Implementation

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fn detectNativeCpuAndFeatures(cpu_arch: Target.Cpu.Arch, os: Target.Os, query: Target.Query) ?Target.Cpu {
    // Here we switch on a comptime value rather than `cpu_arch`. This is valid because `cpu_arch`,
    // although it is a runtime value, is guaranteed to be one of the architectures in the set
    // of the respective switch prong.
    switch (builtin.cpu.arch) {
        .x86_64, .x86 => {
            return @import("system/x86.zig").detectNativeCpuAndFeatures(cpu_arch, os, query);
        },
        else => {},
    }

    switch (builtin.os.tag) {
        .linux => return linux.detectNativeCpuAndFeatures(),
        .macos => return darwin.macos.detectNativeCpuAndFeatures(),
        .windows => return windows.detectNativeCpuAndFeatures(),
        else => {},
    }

    // This architecture does not have CPU model & feature detection yet.
    // See https://github.com/ziglang/zig/issues/4591
    return null;
}