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Diffstat (limited to 'flang/docs/Directives.md')
| -rw-r--r-- | flang/docs/Directives.md | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/flang/docs/Directives.md b/flang/docs/Directives.md index 2f16a8d..d157b5d3 100644 --- a/flang/docs/Directives.md +++ b/flang/docs/Directives.md @@ -52,6 +52,9 @@ A list of non-standard directives supported by Flang integer that specifying the unrolling factor. When `N` is `0` or `1`, the loop should not be unrolled at all. If `N` is omitted the optimizer will selects the number of times to unroll the loop. +* `!dir$ prefetch designator[, designator]...`, where the designator list can be + a variable or an array reference. This directive is used to insert a hint to + the code generator to prefetch instructions for memory references. * `!dir$ novector` disabling vectorization on the following loop. * `!dir$ nounroll` disabling unrolling on the following loop. * `!dir$ nounroll_and_jam` disabling unrolling and jamming on the following loop. |