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umulh64, mulh64 moved; added ror8/16/32

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Nekotekina 2017-06-28 14:51:47 +03:00
parent a69f19a9ab
commit 22af341ad3
1 changed files with 50 additions and 10 deletions
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60
Utilities/types.h
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@ -974,45 +974,85 @@ inline void busy_wait(std::size_t count = 100)
// Rotate helpers
#if defined(__GNUG__)
inline u8 rol8(const u8 x, const u8 n)
inline u8 rol8(u8 x, u8 n)
{
u8 result = x;
__asm__("rolb %[n], %[result]" : [result] "+g" (result) : [n] "c" (n));
return result;
}
inline u16 rol16(const u16 x, const u16 n)
inline u8 ror8(u8 x, u8 n)
{
u8 result = x;
__asm__("rorb %[n], %[result]" : [result] "+g" (result) : [n] "c" (n));
return result;
}
inline u16 rol16(u16 x, u16 n)
{
u16 result = x;
__asm__("rolw %b[n], %[result]" : [result] "+g" (result) : [n] "c" (n));
return result;
}
inline u32 rol32(const u32 x, const u32 n)
inline u16 ror16(u16 x, u16 n)
{
u16 result = x;
__asm__("rorw %b[n], %[result]" : [result] "+g" (result) : [n] "c" (n));
return result;
}
inline u32 rol32(u32 x, u32 n)
{
u32 result = x;
__asm__("roll %b[n], %[result]" : [result] "+g" (result) : [n] "c" (n));
return result;
}
inline u64 rol64(const u64 x, const u64 n)
inline u32 ror32(u32 x, u32 n)
{
u32 result = x;
__asm__("rorl %b[n], %[result]" : [result] "+g" (result) : [n] "c" (n));
return result;
}
inline u64 rol64(u64 x, u64 n)
{
u64 result = x;
__asm__("rolq %b[n], %[result]" : [result] "+g" (result) : [n] "c" (n));
return result;
}
inline u64 ror64(const u64 x, const u64 n)
inline u64 ror64(u64 x, u64 n)
{
u64 result = x;
__asm__("rorq %b[n], %[result]" : [result] "+g" (result) : [n] "c" (n));
return result;
}
inline u64 umulh64(u64 a, u64 b)
{
u64 result;
__asm__("mulq %[b]" : "=d" (result) : [a] "a" (a), [b] "rm" (b));
return result;
}
inline s64 mulh64(s64 a, s64 b)
{
s64 result;
__asm__("imulq %[b]" : "=d" (result) : [a] "a" (a), [b] "rm" (b));
return result;
}
#elif defined(_MSC_VER)
inline u8 rol8(const u8 x, const u8 n) { return _rotl8(x, n); }
inline u16 rol16(const u16 x, const u16 n) { return _rotl16(x, (u8)n); }
inline u32 rol32(const u32 x, const u32 n) { return _rotl(x, (int)n); }
inline u64 rol64(const u64 x, const u64 n) { return _rotl64(x, (int)n); }
inline u64 ror64(const u64 x, const u64 n) { return _rotr64(x, (int)n); }
inline u8 rol8(u8 x, u8 n) { return _rotl8(x, n); }
inline u8 ror8(u8 x, u8 n) { return _rotr8(x, n); }
inline u16 rol16(u16 x, u16 n) { return _rotl16(x, (u8)n); }
inline u16 ror16(u16 x, u16 n) { return _rotr16(x, (u8)n); }
inline u32 rol32(u32 x, u32 n) { return _rotl(x, (int)n); }
inline u32 ror32(u32 x, u32 n) { return _rotr(x, (int)n); }
inline u64 rol64(u64 x, u64 n) { return _rotl64(x, (int)n); }
inline u64 ror64(u64 x, u64 n) { return _rotr64(x, (int)n); }
inline u64 umulh64(u64 x, u64 y) { return __umulh(x, y); }
inline s64 mulh64(s64 x, s64 y) { return __mulh(x, y); }
#endif