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-rw-r--r--gcc/basic-block.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index 64dda04..19ed577 100644
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -318,7 +318,12 @@ typedef struct reorder_block_def
/* Partitions, to be used when partitioning hot and cold basic blocks into
separate sections. */
#define BB_PARTITION(bb) ((bb)->flags & (BB_HOT_PARTITION|BB_COLD_PARTITION))
-#define BB_SET_PARTITION(bb, part) ((bb)->flags |= (part))
+#define BB_SET_PARTITION(bb, part) do { \
+ basic_block bb_ = (bb); \
+ bb_->flags = ((bb_->flags & ~(BB_HOT_PARTITION|BB_COLD_PARTITION)) \
+ | (part)); \
+} while (0)
+
#define BB_COPY_PARTITION(dstbb, srcbb) \
BB_SET_PARTITION (dstbb, BB_PARTITION (srcbb))