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Do not compile POPCNT if NO_POPCNT is defined

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Also rename DISABLE_POPCNT_SUPPORT in NO_POPCNT and simplify a bit
the macro logic.

Always define a __popcnt64()or _mm_popcnt_u64() template, if the proper
function with the same name is defined in the intrinsics header, then it
will be choosen as first otherwise we fall back on the dummy template
that is never called at runtime anyway because cpu_has_popcnt() returns
false.

This fixes the compile error reported by Jim.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2009-07-03 13:18:59 +01:00
parent 48b0d41220
commit 08f3aac97c
2 changed files with 25 additions and 13 deletions
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2
src/types.h
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@@ -58,7 +58,7 @@ typedef uint64_t Bitboard;
#endif
// Check for 64 bits for different compilers: Intel, MSVC and gcc
#if defined(__x86_64) || defined(_WIN64) || (__SIZEOF_INT__ > 4)
#if defined(__x86_64) || defined(_M_X64) || defined(_WIN64) || (__SIZEOF_INT__ > 4)
#define IS_64BIT
#endif