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-rw-r--r--src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hashx_base.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hashx_base.c b/src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hashx_base.c
new file mode 100644
index 000000000..4197def0e
--- /dev/null
+++ b/src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hashx_base.c
@@ -0,0 +1,65 @@
+/**********************************************************************
+ Copyright(c) 2011-2017 Intel Corporation All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ * Neither the name of Intel Corporation nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**********************************************************************/
+
+#include <stdint.h>
+#ifdef _MSC_VER
+# define inline __inline
+#endif
+
+inline int floor_pow2(uint32_t in)
+{
+ uint32_t x = in;
+
+ while (in) {
+ x = in;
+ in &= (in - 1);
+ }
+ return x;
+}
+
+inline uint32_t rol(uint32_t x, int i)
+{
+ return x << i | x >> (8 * sizeof(x) - i);
+}
+
+uint32_t rolling_hashx_mask_gen(long mean, int shift)
+{
+ if (mean <= 2)
+ mean = 2;
+
+ return rol(floor_pow2(mean) - 1, shift);
+}
+
+struct slver {
+ uint16_t snum;
+ uint8_t ver;
+ uint8_t core;
+};
+struct slver rolling_hashx_mask_gen_slver_00000260;
+struct slver rolling_hashx_mask_gen_slver = { 0x0260, 0x00, 0x00 };