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-rw-r--r--gcc/tree-ssa-loop-prefetch.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/tree-ssa-loop-prefetch.c b/gcc/tree-ssa-loop-prefetch.c
index 339eeafcfee3..5613eff983c3 100644
--- a/gcc/tree-ssa-loop-prefetch.c
+++ b/gcc/tree-ssa-loop-prefetch.c
@@ -158,7 +158,7 @@ along with GCC; see the file COPYING3. If not see
/* True if read can be prefetched by a write prefetch. */
#ifndef READ_CAN_USE_WRITE_PREFETCH
-#define READ_CAN_USE_WRITE_PREFETCH 0
+#define READ_CAN_USE_WRITE_PREFETCH 1
#endif
/* The size of the block loaded by a single prefetch. Usually, this is
@@ -172,7 +172,7 @@ along with GCC; see the file COPYING3. If not see
/* Do we have a forward hardware sequential prefetching? */
#ifndef HAVE_FORWARD_PREFETCH
-#define HAVE_FORWARD_PREFETCH 0
+#define HAVE_FORWARD_PREFETCH 1
#endif
/* Do we have a backward hardware sequential prefetching? */