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__emulu() is needed for mingw32

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This commit is contained in:
Joao Paulo Magalhaes 2020-11-16 13:33:11 +00:00
parent 83a29d4eab
commit 449c628645
1 changed files with 7 additions and 4 deletions
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11
include/fast_float/float_common.h
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@ -120,10 +120,13 @@ fastfloat_really_inline int leading_zeroes(uint64_t input_num) {
#if !defined(_M_X64) && !defined(_M_ARM64) // _umul128 for x86, arm
// this is a slow emulation routine for 32-bit Windows
//
//fastfloat_really_inline uint64_t __emulu(uint32_t x, uint32_t y) {
// return x * (uint64_t)y;
//}
#ifdef __MINGW32__
fastfloat_really_inline uint64_t __emulu(uint32_t x, uint32_t y) {
return x * (uint64_t)y;
}
#endif
fastfloat_really_inline uint64_t _umul128(uint64_t ab, uint64_t cd,
uint64_t *hi) {
uint64_t ad = __emulu((uint32_t)(ab >> 32), (uint32_t)cd);