Marco Costalba 94ecdef8ac Micro-optimize pop_lsb() for 64bit case ...

On Intel, perhaps due to 'lea' instruction this way of
zeroing the lsb of *b seems faster than a shift+negate.

On perft (where any speed difference is magnified) I
got a 6% speed up on my Intel i5 64bit.

Suggested by Hongzhi Cheng.

No functional change.

2012-11-02 12:11:49 +01:00

..

benchmark.cpp

Rename RootPosition and shuffle think()

2012-10-24 15:01:39 +02:00

bitbase.cpp

Don't push on the stack 200KB in one go

2012-09-30 11:35:14 +02:00

bitboard.cpp

Use self-describing constants instead of numbers

2012-10-21 11:16:21 +02:00

bitboard.h

Micro-optimize pop_lsb() for 64bit case

2012-11-02 12:11:49 +01:00

bitcount.h

Fix POPCNT support on mingw 64

2012-10-06 13:01:44 +02:00

book.cpp

Drop a magic in book.cpp

2012-09-22 11:19:10 +02:00

book.h

Rename class Book to PolyglotBook

2012-09-16 10:32:57 +02:00

endgame.cpp

Detect drawish KQKP endings

2012-10-28 10:17:57 +01:00

endgame.h

Detect drawish KQKP endings

2012-10-28 10:17:57 +01:00

evaluate.cpp

Use self-describing constants instead of numbers

2012-10-21 11:16:21 +02:00

evaluate.h

Move RootColor from Eval to Search

2012-10-21 09:12:02 +02:00

history.h

Use self-describing constants instead of numbers

2012-10-21 11:16:21 +02:00

main.cpp

Terminate threads before to exit main()

2012-08-29 19:11:44 +02:00

Makefile

Further improve compatibility when compiling on OS X

2012-10-16 00:13:16 -07:00

material.cpp

Use self-describing constants instead of numbers

2012-10-21 11:16:21 +02:00

material.h

Use self-describing constants instead of numbers

2012-10-21 11:16:21 +02:00

misc.cpp

Rearrange prefetch code

2012-10-08 11:43:47 +02:00

misc.h

Get rid of struct Time

2012-09-04 09:38:51 +02:00

movegen.cpp

Fix crash under Chess 960

2012-09-16 14:14:55 +02:00

movegen.h

Prefer size_t over int for array sizes

2012-08-19 11:01:46 +01:00

movepick.cpp

Retire refine_eval()

2012-10-22 10:03:53 +02:00

movepick.h

Rename *last to *end

2012-09-09 10:24:40 +02:00

notation.cpp

Use std::stack instead of fixed size array

2012-10-27 13:31:23 +02:00

notation.h

Fix MSVC 2012 64bits warnings

2012-09-14 09:57:13 +02:00

pawns.cpp

Use self-describing constants instead of numbers

2012-10-21 11:16:21 +02:00

pawns.h

Use self-describing constants instead of numbers

2012-10-21 11:16:21 +02:00

platform.h

Fix compatibility with old Windows 95 and 98

2012-10-20 10:48:26 +02:00

position.cpp

Fix a warning under MSVC

2012-11-02 11:43:23 +01:00

position.h

Retire move_attacks_square()

2012-10-30 20:03:35 +01:00

psqtab.h

Use self-describing constants instead of numbers

2012-10-21 11:16:21 +02:00

rkiss.h

Update copyright year to 2012

2011-12-30 13:52:16 +01:00

search.cpp

Pass InCheck as template parameter of qsearch()

2012-11-01 18:45:38 +01:00

search.h

Rename RootPosition and shuffle think()

2012-10-24 15:01:39 +02:00

thread.cpp

Rename RootPosition and shuffle think()

2012-10-24 15:01:39 +02:00

thread.h

Further rearrange search()

2012-10-01 10:44:04 +02:00

timeman.cpp

Complete the renaming in Search::LimitsType

2012-03-31 09:16:09 +01:00

timeman.h

Use UCI names in Search::LimitsType

2012-03-27 14:26:58 +01:00

tt.cpp

Rename first_1 / last_1 in lsb / msb

2012-07-08 09:36:40 +01:00

tt.h

Use std::vector to implement HashTable

2012-03-31 19:07:11 +01:00

types.h

Don't need to init board[] with NO_PIECE

2012-10-22 00:38:12 +02:00

uci.cpp

Creative formatting in uci.cpp

2012-10-28 11:28:14 +01:00

ucioption.cpp

Move all Contempt Factor code to search.cpp

2012-10-13 14:49:01 +02:00

ucioption.h

Introduce namespace UCI

2012-08-18 12:26:22 +01:00