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-rw-r--r--gcc/flags.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/flags.h b/gcc/flags.h
index b5933a63b47..304736f94b0 100644
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -269,6 +269,10 @@ extern int flag_unroll_all_loops;
extern int flag_move_all_movables;
+/* Nonzero enables prefetch optimizations for arrays in loops. */
+
+extern int flag_prefetch_loop_arrays;
+
/* Nonzero forces all general induction variables in loops to be
strength reduced. */