Module: wine Branch: master Commit: 6521134705b36be3b15609726876df718b6e61bc URL: https://source.winehq.org/git/wine.git/?a=commit;h=6521134705b36be3b15609726...
Author: Martin Storsjö martin@martin.st Date: Tue Aug 3 15:56:12 2021 +0300
msvcrt: Implement _control87 for arm.
Signed-off-by: Martin Storsjö martin@martin.st Signed-off-by: Piotr Caban piotr@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/msvcrt/math.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c index 03394900e87..2ba810a9903 100644 --- a/dlls/msvcrt/math.c +++ b/dlls/msvcrt/math.c @@ -5554,6 +5554,37 @@ unsigned int CDECL _control87(unsigned int newval, unsigned int mask) case _RC_DOWN: fpcr |= 0x800000; break; } __asm__ __volatile__( "msr fpcr, %0" :: "r" (fpcr) ); +#elif defined(__arm__) && !defined(__SOFTFP__) + DWORD fpscr; + + __asm__ __volatile__( "vmrs %0, fpscr" : "=r" (fpscr) ); + if (!(fpscr & 0x100)) flags |= _EM_INVALID; + if (!(fpscr & 0x200)) flags |= _EM_ZERODIVIDE; + if (!(fpscr & 0x400)) flags |= _EM_OVERFLOW; + if (!(fpscr & 0x800)) flags |= _EM_UNDERFLOW; + if (!(fpscr & 0x1000)) flags |= _EM_INEXACT; + if (!(fpscr & 0x8000)) flags |= _EM_DENORMAL; + switch (fpscr & 0xc00000) + { + case 0x400000: flags |= _RC_UP; break; + case 0x800000: flags |= _RC_DOWN; break; + case 0xc00000: flags |= _RC_CHOP; break; + } + flags = (flags & ~mask) | (newval & mask); + fpscr &= ~0xc09f00ul; + if (!(flags & _EM_INVALID)) fpscr |= 0x100; + if (!(flags & _EM_ZERODIVIDE)) fpscr |= 0x200; + if (!(flags & _EM_OVERFLOW)) fpscr |= 0x400; + if (!(flags & _EM_UNDERFLOW)) fpscr |= 0x800; + if (!(flags & _EM_INEXACT)) fpscr |= 0x1000; + if (!(flags & _EM_DENORMAL)) fpscr |= 0x8000; + switch (flags & _MCW_RC) + { + case _RC_CHOP: fpscr |= 0xc00000; break; + case _RC_UP: fpscr |= 0x400000; break; + case _RC_DOWN: fpscr |= 0x800000; break; + } + __asm__ __volatile__( "vmsr fpscr, %0" :: "r" (fpscr) ); #else FIXME( "not implemented\n" ); #endif