/** * This file has no copyright assigned and is placed in the Public Domain. * This file is part of the mingw-w64 runtime package. * No warranty is given; refer to the file DISCLAIMER.PD within this package. */ #include /* 7.6.3.1 The fegetround function returns the value of the rounding direction macro representing the current rounding direction. */ int fegetround (void) { #if defined(_ARM_) || defined(__arm__) fenv_t _env; __asm__ volatile ("fmrx %0, FPSCR" : "=r" (_env)); return (_env.__cw & (FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO)); #elif defined(_ARM64_) || defined(__aarch64__) unsigned __int64 fpcr; __asm__ volatile ("mrs %0, fpcr" : "=r" (fpcr)); return (fpcr & (FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO)); #else int _control; __asm__ volatile ("fnstcw %0" : "=m" (*&_control)); return (_control & (FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO)); #endif /* defined(_ARM_) || defined(__arm__) || defined(_ARM64_) || defined(__aarch64__) */ }