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stockfish
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3486 Commits (gcc_bug)

Author SHA1 Message Date
Marco Costalba ad1bb084dd Start to templetize pawn move generators 
Still very soft, we will see if compiler is
enough or we need more aggressive templetization.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:18 +02:00
Marco Costalba 760f77872f Remove Positions::xxx_count() functions 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:18 +02:00
Marco Costalba 257689dec7 Remove white/black_pawn_attacks_square() 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:18 +02:00
Marco Costalba ff211469ba Templetize Position::xxx_attacks_square() 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:17 +02:00
Marco Costalba d4f14a8e83 Remove Position::xxx_list() functions 
No useful, only obfuscating.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:17 +02:00
Marco Costalba 7eb290a509 Add a generate_piece_checks() specialization for the king 
Also reshuffle the code a bit.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:17 +02:00
Marco Costalba d316b02771 Remove white/black_pawn_attacks() 
Unuseful syntactic sugar, obfuscates the
real code.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:17 +02:00
Marco Costalba d9e54ceaa1 Prefer template to name decoration 
This also allows faster code although bigger.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:16 +02:00
Marco Costalba 691de79eaa Fix a missing comma in BenchmarkPositions[] 
An old bug introduced in 3e0dc9ee84 almost
one month ago.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:16 +02:00
Marco Costalba 3f38cca072 Position::is_ok()give more info on failed test 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:16 +02:00
Marco Costalba 6b8a07eccc Fix an assert due to a missing parentesis 
Bitwise operators precedence issue here, was
causing an assert.

This is a fallout from recent patches.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:15 +02:00
Marco Costalba 8e85aa3a65 Final semplification of generate_evasions() 
Now it's readable!

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:15 +02:00
Marco Costalba 4f18528a1c Introduce generate_piece_blocking_evasions() 
Start to simplify generate_evasions

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:15 +02:00
Marco Costalba 4a4d62da13 Space inflate generate_evasions() 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-20 21:47:15 +02:00
Marco Costalba d3600c39a7 Update copyright info 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 20:43:33 +01:00
Marco Costalba f664ca41ed Last little touches to movegen 
No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 20:43:21 +01:00
Marco Costalba b397426785 Rename PawnOffsets in PawnParams 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 20:43:09 +01:00
Marco Costalba 68c78400c8 Pawn move generator: dispatch at compile time 
Instead of function pointers use templates to
dispatch shift operations.

It is more clear and possibly also faster because
branches are removed at compile time.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 20:42:12 +01:00
Marco Costalba 1bd1f5a293 Start to templetize pawn move generators 
Still very soft, we will see if compiler is
enough or we need more aggressive templetization.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 16:20:21 +01:00
Marco Costalba d0e51bc0f0 Remove Positions::xxx_count() functions 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 14:39:29 +01:00
Marco Costalba 0d19437703 Remove white/black_pawn_attacks_square() 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 14:06:06 +01:00
Marco Costalba 8b5519a009 Templetize Position::xxx_attacks_square() 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 13:56:57 +01:00
Marco Costalba 1eae58523f Remove Position::xxx_list() functions 
No useful, only obfuscating.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 13:44:25 +01:00
Marco Costalba 305b711ca8 Add a generate_piece_checks() specialization for the king 
Also reshuffle the code a bit.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 13:22:03 +01:00
Marco Costalba 2bea93975e Remove white/black_pawn_attacks() 
Unuseful syntactic sugar, obfuscates the
real code.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 12:53:51 +01:00
Marco Costalba f036239521 Prefer template to name decoration 
This also allows faster code although bigger.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 12:43:09 +01:00
Marco Costalba 832a8a2719 Fix a missing comma in BenchmarkPositions[] 
An old bug introduced in 3e0dc9ee84 almost
one month ago.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 11:55:53 +01:00
Marco Costalba 11910d44e0 Position::is_ok()give more info on failed test 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 10:41:24 +01:00
Marco Costalba 00bcc64787 Fix an assert due to a missing parentesis 
Bitwise operators precedence issue here, was
causing an assert.

This is a fallout from recent patches.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 10:17:17 +01:00
Marco Costalba f2ead1004a Final semplification of generate_evasions() 
Now it's readable!

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 09:33:33 +01:00
Marco Costalba 84ce43498a Introduce generate_piece_blocking_evasions() 
Start to simplify generate_evasions

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 08:49:26 +01:00
Marco Costalba 987ff3b4b6 Space inflate generate_evasions() 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-19 08:27:24 +01:00
Marco Costalba 72289fcfab movegen: Introduce generate_pawn_noncaptures() 
This is the last of pawn moves generators converted
to new unified form.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:35 +02:00
Marco Costalba 73d0d2c0b2 movegen: Introduce generate_pawn_captures() 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:35 +02:00
Marco Costalba c1257d45b2 movegen: Fix just introduced move counter bug 
This is what happens when you don't tests your patches !!

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:35 +02:00
Marco Costalba 34a515f20b movegen: Introduce generate_pawn_checks() 
This greatly simplify redundant code.

Perhaps slihtly slower. Test needed.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:35 +02:00
Marco Costalba 5abe8a0816 generate_checks: fix a bug in black double pawn push 
It was written pos.black_pawn_attacks(ksq) instead of
pos.white_pawn_attacks(ksq)

Updated to the undrlying pos.pawn_attacks(WHITE, ksq)

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:34 +02:00
Marco Costalba 35fd5ce5bc Space inflate generate_castle_moves() 
No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:34 +02:00
Marco Costalba 146bb2dfa7 Unify pieces check generation with generate_piece_checks() 
Could be slower: test needed!

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:34 +02:00
Marco Costalba ea16985ea5 Do not special case generate_king_moves() 
Teoretically a little slowdown. If after testing we
verify the slowdown has impact on ELO we revert the
change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:34 +02:00
Marco Costalba 3b857d1625 Use a const pointer-to-member array for attacks 
Allow the compiler to optimize member
function access.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:34 +02:00
Marco Costalba aa7121297d Use pointer-to-members to remove a bunch of duplicated code 
Remove all generate_XXX_moves() functions, use an array
of pointer to members instead.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:34 +02:00
Marco Costalba 94f1b31484 movegen: revert see ordering in score_captures() 
It works better with MVV ordering.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:33 +02:00
Marco Costalba c852a94009 Movegen: further simplify generate_move_if_legal 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:33 +02:00
Marco Costalba 8be2c483a1 Unify black and white code in generate_move_if_legal() 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:33 +02:00
Marco Costalba 158911425b Space inflate movegen.cpp 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:33 +02:00
Marco Costalba cf8ee79b76 Movepick: add and use find_best_index() helper 
This removes a bunch of redundant code.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:33 +02:00
Marco Costalba 06d6468ce9 Test with see 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:33 +02:00
Marco Costalba 173ecc0acf Use MVV to score captures when see >=0 
This fix a couple of dubious bugs in MVV/LVA
ordering.

Tests seems to confirm now is slightly better.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:32 +02:00
Marco Costalba 2943e1ca31 MovePicker: use const reference instead of pointers 
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
 2008-10-18 21:35:32 +02:00