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-rw-r--r--gcc/bitmap.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/bitmap.h b/gcc/bitmap.h
index 805e37e..1115711 100644
--- a/gcc/bitmap.h
+++ b/gcc/bitmap.h
@@ -280,6 +280,9 @@ extern bool bitmap_single_bit_set_p (const_bitmap);
/* Count the number of bits set in the bitmap. */
extern unsigned long bitmap_count_bits (const_bitmap);
+/* Count the number of unique bits set across the two bitmaps. */
+extern unsigned long bitmap_count_unique_bits (const_bitmap, const_bitmap);
+
/* Boolean operations on bitmaps. The _into variants are two operand
versions that modify the first source operand. The other variants
are three operand versions that to not destroy the source bitmaps.