Add wasm tacle-bench targets

targets/wasm-tacle/kernel/bitcount/bitcnt_4.c

@@ -0,0 +1,86 @@
+/*
+
+  This program is part of the TACLeBench benchmark suite.
+  Version V 1.x
+
+  Name: bitcnt_4.c
+
+  Author: Bob Stout
+
+  Function: Recursive bit counting functions using table lookup
+
+  Source: http://www.snippets.org/
+
+  Changes: no major functional changes
+
+  License: May be used, modified, and re-distributed freely.
+
+*/
+
+
+#include "bitops.h"   /* from Snippets */
+
+static char bitcount_bits[ 256 ];
+
+/*
+**  Count bits in each nybble
+**
+**  Note: Only the first 16 table entries are used, the rest could be
+**        omitted.
+*/
+
+void bitcount_init4( void )
+{
+  int volatile i = 0;
+  char bitcount_bits_tmp[ 256 ] = {
+    0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4,
+    1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+    1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+    2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+    1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+    2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+    2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+    3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+    1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+    2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+    2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+    3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+    2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+    3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+    3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+    4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8
+  };
+
+  for ( i = 0; i < 256; i++ )
+    bitcount_bits[ i ] = bitcount_bits_tmp[ i ];
+}
+
+int bitcount_ntbl_bitcnt( unsigned long x )
+{
+    
+  int cnt = bitcount_bits[ ( int )( x & 0x0000000FL ) ];
+
+  if ( 0L != ( x >>= 4 ) )
+    cnt += bitcount_ntbl_bitcnt( x );
+
+  return cnt;
+}
+
+/*
+**  Count bits in each byte
+*/
+
+int bitcount_btbl_bitcnt( unsigned long x )
+{
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+  int idx = sizeof(x) - 1;
+#else
+  int idx =  0;
+#endif
+  int cnt = bitcount_bits[( ( char * ) & x )[idx] & 0xFF];
+
+  if ( 0L != ( x >>= 8 ) )
+    cnt += bitcount_btbl_bitcnt( x );
+
+  return cnt;
+}