X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=2a3b41fab8f7ee234852deb6b9498f97fd72a031;hp=b9964971ddb19fa4cfeb485c3abc6cd6900247b7;hb=b1f57e92cea7bd36126ef8c26928d8991b74baef;hpb=304deb5e833baf47c147e93377f5c7ef582ab822

diff --git a/src/types.h b/src/types.h
index b9964971..2a3b41fa 100644
--- a/src/types.h
+++ b/src/types.h
@@ -64,6 +64,12 @@
 #  define FORCE_INLINE  inline
 #endif
 
+#if defined(__GNUC__)
+#  define THREAD_LOCAL  __thread
+#else
+#  define THREAD_LOCAL  __declspec(thread)
+#endif
+
 #if defined(USE_POPCNT)
 const bool HasPopCnt = true;
 #else
@@ -327,7 +333,7 @@ inline Color operator~(Color c) {
 }
 
 inline Square operator~(Square s) {
-  return Square(s ^ 56);
+  return Square(s ^ 56); // Vertical flip SQ_A1 -> SQ_A8
 }
 
 inline Value mate_in(int ply) {
@@ -354,7 +360,7 @@ inline Square make_square(File f, Rank r) {
   return Square((r << 3) | f);
 }
 
-inline bool square_is_ok(Square s) {
+inline bool is_ok(Square s) {
   return s >= SQ_A1 && s <= SQ_H8;
 }
 
@@ -367,7 +373,7 @@ inline Rank rank_of(Square s) {
 }
 
 inline Square mirror(Square s) {
-  return Square(s ^ 7);
+  return Square(s ^ 7); // Horizontal flip SQ_A1 -> SQ_H1
 }
 
 inline Square relative_square(Color c, Square s) {