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Add auto configuration for 32/64 bits

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Instead of manually adjust defines in bitboard.h
now proper ones are automatically set.

It is anyhow possible to still set them manually
in case of problems.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2008-09-24 22:23:58 +01:00
parent 3ee3cdc09b
commit d6618d7325
1 changed files with 18 additions and 0 deletions
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18
src/bitboard.h
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@ -25,6 +25,18 @@
//// Defines
////
// Comment following define if you prefer manually adjust
// platform macros defined below
#define AUTO_CONFIGURATION
// Check for 64 bits for different compilers: Intel, MSVC and gcc
#if defined(__x86_64) || defined(_WIN64) || (__SIZEOF_INT__ > 4)
#define IS_64BIT
#endif
#if !defined(AUTO_CONFIGURATION) || defined(IS_64BIT)
//#define USE_COMPACT_ROOK_ATTACKS
//#define USE_32BIT_ATTACKS
#define USE_FOLDED_BITSCAN
@ -33,7 +45,13 @@
//#define BITCOUNT_SWAR_32
//#define BITCOUNT_LOOP
#else
#define USE_32BIT_ATTACKS
#define USE_FOLDED_BITSCAN
#define BITCOUNT_SWAR_32
#endif
////
//// Includes