X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=5fe73397d9ffd01866d50914ccfcb741894a00b6;hp=364a4a5fc7d74d16ef2f8382b895fec1fd0213f7;hb=6c040c821a50475840607ef5f11c270ee21d61da;hpb=3c07603dac03f0da20194097cf4eb1a396fea60d

diff --git a/src/types.h b/src/types.h
index 364a4a5f..5fe73397 100644
--- a/src/types.h
+++ b/src/types.h
@@ -33,6 +33,9 @@
 ///
 /// -DUSE_POPCNT  | Add runtime support for use of popcnt asm-instruction. Works
 ///               | only in 64-bit mode and requires hardware with popcnt support.
+///
+/// -DUSE_PEXT    | Add runtime support for use of pext asm-instruction. Works
+///               | only in 64-bit mode and requires hardware with pext support.
 
 #include <cassert>
 #include <cctype>
@@ -71,16 +74,9 @@
 
 #if defined(USE_PEXT)
 #  include <immintrin.h> // Header for _pext_u64() intrinsic
+#  define pext(b, m) _pext_u64(b, m)
 #else
-#  define _pext_u64(b, m) (0)
-#endif
-
-#ifdef _MSC_VER
-#  define FORCE_INLINE  __forceinline
-#elif defined(__GNUC__)
-#  define FORCE_INLINE  inline __attribute__((always_inline))
-#else
-#  define FORCE_INLINE  inline
+#  define pext(b, m) (0)
 #endif
 
 #ifdef USE_POPCNT
@@ -184,8 +180,8 @@ enum Value : int {
   VALUE_INFINITE  = 32001,
   VALUE_NONE      = 32002,
 
-  VALUE_MATE_IN_MAX_PLY  =  VALUE_MATE - MAX_PLY,
-  VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + MAX_PLY,
+  VALUE_MATE_IN_MAX_PLY  =  VALUE_MATE - 2 * MAX_PLY,
+  VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + 2 * MAX_PLY,
 
   PawnValueMg   = 198,   PawnValueEg   = 258,
   KnightValueMg = 817,   KnightValueEg = 846,
@@ -413,7 +409,7 @@ inline MoveType type_of(Move m) {
 }
 
 inline PieceType promotion_type(Move m) {
-  return PieceType(((m >> 12) & 3) + 2);
+  return PieceType(((m >> 12) & 3) + KNIGHT);
 }
 
 inline Move make_move(Square from, Square to) {