X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Flzx_compress.c;h=520c07e33572081b7756a9c3622733522569817a;hb=ab64cfca6f15354ccef5a86441cd9c35898a220a;hp=f6b29b3009686b9eb3e324e1ee24fb542e7f6d8f;hpb=c01983481ed2fc7dd070827dbb7d9df5d990349c;p=wimlib

diff --git a/src/lzx_compress.c b/src/lzx_compress.c
index f6b29b30..520c07e3 100644
--- a/src/lzx_compress.c
+++ b/src/lzx_compress.c
@@ -232,9 +232,10 @@ struct lzx_sequence {
 	u16 adjusted_length;
 
 	/* If bit 31 is clear, then this field contains the match header in bits
-	 * 0-8 and the match offset minus LZX_OFFSET_ADJUSTMENT in bits 9-30.
-	 * Otherwise, this sequence's literal run was the last literal run in
-	 * the block, so there is no match that follows it.  */
+	 * 0-8, and either the match offset plus LZX_OFFSET_ADJUSTMENT or a
+	 * recent offset code in bits 9-30.  Otherwise (if bit 31 is set), this
+	 * sequence's literal run was the last literal run in the block, so
+	 * there is no match that follows it.  */
 	u32 adjusted_offset_and_match_hdr;
 };
 
@@ -331,15 +332,6 @@ lzx_lru_queue_push(struct lzx_lru_queue queue, u32 offset)
 	};
 }
 
-/* Pop a match offset off the front (most recently used) end of the queue.  */
-static inline u32
-lzx_lru_queue_pop(struct lzx_lru_queue *queue_p)
-{
-	u32 offset = queue_p->R & LZX_QUEUE64_OFFSET_MASK;
-	queue_p->R >>= LZX_QUEUE64_OFFSET_SHIFT;
-	return offset;
-}
-
 /* Swap a match offset to the front of the queue.  */
 static inline struct lzx_lru_queue
 lzx_lru_queue_swap(struct lzx_lru_queue queue, unsigned idx)