util: import CRC32 implementation from gallium

Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>

src/gallium/auxiliary/Makefile.sources

@@ -250,8 +250,6 @@ C_SOURCES := \
 	util/u_half.h \
 	util/u_handle_table.c \
 	util/u_handle_table.h \
-	util/u_hash.c \
-	util/u_hash.h \
 	util/u_hash_table.c \
 	util/u_hash_table.h \
 	util/u_helpers.c \

src/gallium/drivers/radeonsi/si_state_shaders.c

@@ -32,7 +32,7 @@
 #include "tgsi/tgsi_parse.h"
 #include "tgsi/tgsi_ureg.h"
 #include "util/hash_table.h"
-#include "util/u_hash.h"
+#include "util/crc32.h"
 #include "util/u_memory.h"
 #include "util/u_prim.h"
 

src/util/Makefile.sources

@@ -2,6 +2,8 @@ MESA_UTIL_FILES :=	\
 	bitscan.c \
 	bitscan.h \
 	bitset.h \
+	crc32.c \
+	crc32.h \
 	debug.c \
 	debug.h \
 	disk_cache.c \

src/util/crc32.c

@@ -27,13 +27,13 @@
 
 /**
  * @file
- * Hash functions implementation.
+ * CRC32 implementation.
  * 
  * @author Jose Fonseca
  */
 
 
-#include "u_hash.h"
+#include "crc32.h"
 
 
 static const uint32_t 

src/util/crc32.h

@@ -27,16 +27,16 @@
 
 /**
  * @file
- * Hash functions.
+ * CRC32 function.
  * 
  * @author Jose Fonseca <jfonseca@vmware.com>
  */
 
-#ifndef U_HASH_H_
-#define U_HASH_H_
+#ifndef CRC32_H_
+#define CRC32_H_
 
-
-#include "pipe/p_compiler.h"
+#include <stdlib.h>
+#include <stdint.h>
 
 
 #ifdef __cplusplus
@@ -52,4 +52,4 @@ util_hash_crc32(const void *data, size_t size);
 }
 #endif
 
-#endif /* U_HASH_H_ */
+#endif /* CRC32_H_ */