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v3.7.4

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Jay D Dee
2021-09-29 17:31:16 -04:00
parent 9b905fccc8
commit 2cd1507c2e
80 changed files with 8145 additions and 2097 deletions
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13
simd-utils/simd-int.h
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@@ -5,10 +5,19 @@
#define bswap_64( a ) __builtin_bswap64( a )
#define bswap_32( a ) __builtin_bswap32( a )
// safe division, integer or floating point
// Safe division, integer or floating point. For floating point it's as
// safe as 0. is precisely zero.
// Returns safe_result if division by zero.
#define safe_div( dividend, divisor, safe_result ) \
( (divisor) == 0 ? safe_result : ( (dividend) / (divisor) ) )
// Aliases with familiar names for built in bit rotate instructions
#define rol64( a, n ) _lrotl( a, n )
#define ror64( a, n ) _lrotr( a, n )
#define rol32( a, n ) _rotl( a, n )
#define ror32( a, n ) _rotr( a, n )
#define rol16( a, n ) _rotwl( a, n )
#define ror16( a, n ) _rotwr( a, n )
///////////////////////////////////////
//
@@ -29,12 +38,14 @@
// __m256i v256 = _mm256_set_m128i( (__m128i)my_int128, (__m128i)my_int128 );
// my_int128 = (uint128_t)_mm256_extracti128_si256( v256, 1 );
// obsolete test
// Compiler check for __int128 support
// Configure also has a test for int128.
#if ( __GNUC__ > 4 ) || ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 8 ) )
#define GCC_INT128 1
#endif
// obsolte test
#if !defined(GCC_INT128)
#warning "__int128 not supported, requires GCC-4.8 or newer."
#endif