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v3.18.2

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Jay D Dee
2021-10-19 22:35:36 -04:00
parent 47cc5dcff5
commit 1a234cbe53
18 changed files with 474 additions and 189 deletions
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21
simd-utils/simd-int.h
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@@ -2,22 +2,21 @@
#define SIMD_INT_H__ 1
// Endian byte swap
#define bswap_64( a ) __builtin_bswap64( a )
#define bswap_32( a ) __builtin_bswap32( a )
#define bswap_64 __builtin_bswap64
#define bswap_32 __builtin_bswap32
// Bit rotation
#define rol64 __rolq
#define ror64 __rorq
#define rol32 __rold
#define ror32 __rord
// 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.
// safe as 0 is precisely zero.
// Returns safe_result if division by zero, typically 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 )
///////////////////////////////////////
//