X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=include%2Fwimlib%2Fmatchfinder_avx2.h;h=bdf10d212515aaa1dbcc7a794c5bf1c7b5e5ff05;hp=fe98b636c9a0d27c5dd7dfab35786b34447be2cf;hb=3e8aa757aaa63297f0d54007adf46411778fb6a8;hpb=94f8de6d411d58a0eb2e472cc1b984f195eb2447

diff --git a/include/wimlib/matchfinder_avx2.h b/include/wimlib/matchfinder_avx2.h
index fe98b636..bdf10d21 100644
--- a/include/wimlib/matchfinder_avx2.h
+++ b/include/wimlib/matchfinder_avx2.h
@@ -2,6 +2,12 @@
  * matchfinder_avx2.h
  *
  * Matchfinding routines optimized for Intel AVX2 (Advanced Vector Extensions).
+ *
+ * Author:	Eric Biggers
+ * Year:	2014, 2015
+ *
+ * The author dedicates this file to the public domain.
+ * You can do whatever you want with this file.
  */
 
 #include <immintrin.h>
@@ -16,9 +22,9 @@ matchfinder_init_avx2(pos_t *data, size_t size)
 		return false;
 
 	if (sizeof(pos_t) == 2)
-		v = _mm256_set1_epi16(MATCHFINDER_INITVAL);
+		v = _mm256_set1_epi16((u16)MATCHFINDER_NULL);
 	else if (sizeof(pos_t) == 4)
-		v = _mm256_set1_epi32(MATCHFINDER_INITVAL);
+		v = _mm256_set1_epi32((u32)MATCHFINDER_NULL);
 	else
 		return false;
 
@@ -33,32 +39,3 @@ matchfinder_init_avx2(pos_t *data, size_t size)
 	} while (--n);
 	return true;
 }
-
-static inline bool
-matchfinder_rebase_avx2(pos_t *data, size_t size)
-{
-	__m256i v, *p;
-	size_t n;
-
-	if ((size % sizeof(__m256i) * 4 != 0))
-		return false;
-
-	if (sizeof(pos_t) == 2)
-		v = _mm256_set1_epi16((pos_t)-MATCHFINDER_WINDOW_SIZE);
-	else if (sizeof(pos_t) == 4)
-		v = _mm256_set1_epi32((pos_t)-MATCHFINDER_WINDOW_SIZE);
-	else
-		return false;
-
-	p = (__m256i *)data;
-	n = size / (sizeof(__m256i) * 4);
-	do {
-		/* PADDSW: Add Packed Signed Integers With Signed Saturation  */
-		p[0] = _mm256_adds_epi16(p[0], v);
-		p[1] = _mm256_adds_epi16(p[1], v);
-		p[2] = _mm256_adds_epi16(p[2], v);
-		p[3] = _mm256_adds_epi16(p[3], v);
-		p += 4;
-	} while (--n);
-	return true;
-}