github-starred/ultimatepp
2
0
Fork 0
mirror of https://github.com/ultimatepp/ultimatepp.git synced 2026-08-21 22:04:56 -06:00
Code Issues 33 Projects Packages Wiki Activity Actions

Core: Now using _addcarry_u64 only for x86

Browse source
This commit is contained in:
Mirek Fidler 2022-03-20 09:33:29 +01:00
parent b23ab7bae7
commit 60aaffe05a
1 changed files with 14 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

14
uppsrc/Core/Ops.h
View file

@ -218,11 +218,25 @@ inline bool FitsInInt64(double x)
#if defined(__SIZEOF_INT128__) && (__GNUC__ > 5 || __clang_major__ >= 5)
#ifdef CPU_X86
inline
byte addc64(uint64& result, const uint64& value, byte carry) {
return _addcarry_u64(carry, result, value, &result);
}
#else
force_inline
byte addc64(uint64& r, uint64 a, byte carry)
{
uint64_t r1 = r;
r += a + carry;
return carry ? r <= a : r < a;
}
#endif
inline
uint64 mul64(uint64 a, uint64 b, uint64& hi)
{