opelly/Stockfish
1
0
Fork 0
mirror of https://github.com/opelly27/Stockfish.git synced 2026-05-20 14:27:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix POPCNT support for Intel compiler under Windows

Browse Source 
Reported by Martin Wyngaarden that also confirmed
this patch to work.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2011-01-05 11:02:05 +01:00
parent 22ca7a601f
commit 7614501362
2 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/bitcount.h
+2
View File
@@ -85,6 +85,8 @@ template<>
inline int count_1s<CNT_POPCNT>(Bitboard b) { inline int count_1s<CNT_POPCNT>(Bitboard b) {
#if !defined(USE_POPCNT) #if !defined(USE_POPCNT)
return int(b != 0); // Avoid 'b not used' warning return int(b != 0); // Avoid 'b not used' warning
#elif defined(_MSC_VER) && defined(__INTEL_COMPILER)
return _mm_popcnt_u64(b);
#elif defined(_MSC_VER) #elif defined(_MSC_VER)
return __popcnt64(b); return __popcnt64(b);
#elif defined(__GNUC__) #elif defined(__GNUC__)
src/types.h
+5
View File
@@ -86,6 +86,11 @@ typedef uint64_t Bitboard;
#define USE_BSFQ #define USE_BSFQ
#endif #endif
// Intel header for _mm_popcnt_u64() intrinsic
#if defined(USE_POPCNT) && defined(_MSC_VER) && defined(__INTEL_COMPILER)
#include <nmmintrin.h>
#endif
// Cache line alignment specification // Cache line alignment specification
#if defined(_MSC_VER) || defined(__INTEL_COMPILER) #if defined(_MSC_VER) || defined(__INTEL_COMPILER)
#define CACHE_LINE_ALIGNMENT __declspec(align(64)) #define CACHE_LINE_ALIGNMENT __declspec(align(64))