X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=inline;f=src%2Fbitcount.h;h=72ee37ca98dc997cf6fd9ed46696752a637c1b1e;hb=8307da0de77c9c7bbf7c56a7d9c8a688ff4dfb4e;hp=940dbaf52af207c8a24977e8780b42679e36650c;hpb=04001f776edd312418ad8334f4287b4d1dba5f7b;p=stockfish
diff --git a/src/bitcount.h b/src/bitcount.h
index 940dbaf5..72ee37ca 100644
--- a/src/bitcount.h
+++ b/src/bitcount.h
@@ -1,7 +1,7 @@
/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -18,7 +18,6 @@
along with this program. If not, see .
*/
-
#if !defined(BITCOUNT_H_INCLUDED)
#define BITCOUNT_H_INCLUDED
@@ -96,32 +95,4 @@ inline int count_1s(Bitboard b) {
#endif
}
-
-/// cpu_has_popcnt() detects support for popcnt instruction at runtime
-inline bool cpu_has_popcnt() {
-
- int CPUInfo[4] = {-1};
- __cpuid(CPUInfo, 0x00000001);
- return (CPUInfo[2] >> 23) & 1;
-}
-
-
-/// CpuHasPOPCNT is a global constant initialized at startup that
-/// is set to true if CPU on which application runs supports popcnt
-/// hardware instruction. Unless USE_POPCNT is not defined.
-#if defined(USE_POPCNT)
-const bool CpuHasPOPCNT = cpu_has_popcnt();
-#else
-const bool CpuHasPOPCNT = false;
-#endif
-
-
-/// CpuIs64Bit is a global constant initialized at compile time that
-/// is set to true if CPU on which application runs is a 64 bits.
-#if defined(IS_64BIT)
-const bool CpuIs64Bit = true;
-#else
-const bool CpuIs64Bit = false;
-#endif
-
#endif // !defined(BITCOUNT_H_INCLUDED)