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Explicitly annotate a few variables

Browse source 
as [[maybe_unused]], avoiding the (void)foo trick.

closes https://github.com/official-stockfish/Stockfish/pull/4162

No functional change
This commit is contained in:
Joost VandeVondele 2022-09-11 21:28:12 +02:00
parent 82bb21dc7a
commit 5a871e174f
2 changed files with 3 additions and 13 deletions
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6
src/misc.cpp
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@ -378,10 +378,9 @@ void std_aligned_free(void* ptr) {
#if defined(_WIN32)
static void* aligned_large_pages_alloc_windows(size_t allocSize) {
static void* aligned_large_pages_alloc_windows([[maybe_unused]] size_t allocSize) {
#if !defined(_WIN64)
(void)allocSize; // suppress unused-parameter compiler warning
return nullptr;
#else
@ -626,8 +625,7 @@ string argv0; // path+name of the executable binary, as given by argv
string binaryDirectory; // path of the executable directory
string workingDirectory; // path of the working directory
void init(int argc, char* argv[]) {
(void)argc;
void init([[maybe_unused]] int argc, char* argv[]) {
string pathSeparator;
// extract the path+name of the executable binary

10
src/movepick.cpp
View file

@ -106,7 +106,7 @@ void MovePicker::score() {
static_assert(Type == CAPTURES || Type == QUIETS || Type == EVASIONS, "Wrong type");
Bitboard threatened, threatenedByPawn, threatenedByMinor, threatenedByRook;
[[maybe_unused]] Bitboard threatened, threatenedByPawn, threatenedByMinor, threatenedByRook;
if constexpr (Type == QUIETS)
{
Color us = pos.side_to_move();
@ -122,14 +122,6 @@ void MovePicker::score() {
| (pos.pieces(us, ROOK) & threatenedByMinor)
| (pos.pieces(us, KNIGHT, BISHOP) & threatenedByPawn);
}
else
{
// Silence unused variable warnings
(void) threatened;
(void) threatenedByPawn;
(void) threatenedByMinor;
(void) threatenedByRook;
}
for (auto& m : *this)
if constexpr (Type == CAPTURES)