Zig 0.17.0-dev (Split by item)

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getXCR0

x86.getXCR0

fn getXCR0() u32

File

lib/std/zig/system/x86.zig:817

Code

fn getXCR0() u32 {
    if (builtin.zig_backend == .stage2_c) {
        return zig_x86_get_xcr0();
    }

    return asm volatile (
        \\ xor %%ecx, %%ecx
        \\ xgetbv
        : [_] "={eax}" (-> u32),
        :
        : .{ .edx = true, .ecx = true });
}