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https://github.com/ziglang/zig.git
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31 lines
1.3 KiB
Zig
31 lines
1.3 KiB
Zig
const builtin = @import("builtin");
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const std = @import("std");
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test "@prefetch()" {
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if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
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var a: u32 = 42;
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@prefetch(&a, .{});
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@prefetch(&a, .{ .rw = .read, .locality = 3, .cache = .data });
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@prefetch(&a, .{ .rw = .read, .locality = 2, .cache = .data });
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@prefetch(&a, .{ .rw = .read, .locality = 1, .cache = .data });
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@prefetch(&a, .{ .rw = .read, .locality = 0, .cache = .data });
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@prefetch(&a, .{ .rw = .write, .locality = 3, .cache = .data });
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@prefetch(&a, .{ .rw = .write, .locality = 2, .cache = .data });
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@prefetch(&a, .{ .rw = .write, .locality = 1, .cache = .data });
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@prefetch(&a, .{ .rw = .write, .locality = 0, .cache = .data });
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@prefetch(&a, .{ .rw = .read, .locality = 3, .cache = .instruction });
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@prefetch(&a, .{ .rw = .read, .locality = 2, .cache = .instruction });
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@prefetch(&a, .{ .rw = .read, .locality = 1, .cache = .instruction });
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@prefetch(&a, .{ .rw = .read, .locality = 0, .cache = .instruction });
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@prefetch(&a, .{ .rw = .write, .locality = 3, .cache = .instruction });
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@prefetch(&a, .{ .rw = .write, .locality = 2, .cache = .instruction });
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@prefetch(&a, .{ .rw = .write, .locality = 1, .cache = .instruction });
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@prefetch(&a, .{ .rw = .write, .locality = 0, .cache = .instruction });
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}
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