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Function core.simd.prefetch
Emit prefetch instruction.
void prefetch(bool writeFetch, ubyte locality)
(
const(void)* address
);
Parameters
| Name | Description |
|---|---|
| address | address to be prefetched |
| writeFetch | true for write fetch, false for read fetch |
| locality | 0..3 (0 meaning least local, 3 meaning most local) |
Note
The Intel mappings are:
| writeFetch | locality | Instruction |
|---|---|---|
| false | 0 | prefetchnta |
| false | 1 | prefetch2 |
| false | 2 | prefetch1 |
| false | 3 | prefetch0 |
| false | 0 | prefetchw |
| false | 1 | prefetchw |
| false | 2 | prefetchw |
| false | 3 | prefetchw |
Authors
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.