Fix problems with hot/cold partitioning optimization.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97322 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 9 insertions, 0 deletions

diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index cdba18c8388..b6084c9c5d2 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -1560,6 +1560,15 @@ override_options (void)
   /* There's no need for -fPIC (as opposed to -fpic) on Xtensa.  */
   if (flag_pic > 1)
     flag_pic = 1;
+
+  /* Hot/cold partitioning does not work on this architecture, because of
+     constant pools (the load instruction cannot necessarily reach that far).
+     Therefore disable it on this architecture.  */
+  if (flag_reorder_blocks_and_partition)
+    {
+      flag_reorder_blocks_and_partition = 0;
+      flag_reorder_blocks = 1;
+    }
 }