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msvcrt: Introduce fenv_encode helper in all runtime versions. 

Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Piotr Caban 2021-07-21 13:21:33 +02:00 committed by Alexandre Julliard
parent 67c7c40351
commit 2f9312fe5f
1 changed files with 8 additions and 21 deletions
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29
dlls/msvcrt/math.c
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@ -5586,6 +5586,7 @@ static __msvcrt_ulong fenv_encode(unsigned int x, unsigned int y)
{
__msvcrt_ulong ret = 0;
#ifdef __i386__
if (x & _EM_INVALID) ret |= FENV_X_INVALID;
if (x & _EM_DENORMAL) ret |= FENV_X_DENORMAL;
if (x & _EM_ZERODIVIDE) ret |= FENV_X_ZERODIVIDE;
@ -5597,6 +5598,7 @@ static __msvcrt_ulong fenv_encode(unsigned int x, unsigned int y)
if (x & _RC_DOWN) ret |= FENV_X_DOWN;
if (x & _PC_24) ret |= FENV_X_24;
if (x & _PC_53) ret |= FENV_X_53;
#endif
x &= ~(_MCW_EM | _MCW_IC | _MCW_RC | _MCW_PC);
if (y & _EM_INVALID) ret |= FENV_Y_INVALID;
@ -5652,6 +5654,11 @@ static BOOL fenv_decode(__msvcrt_ulong enc, unsigned int *x, unsigned int *y)
}
#endif
#elif _MSVCR_VER >= 120
static __msvcrt_ulong fenv_encode(unsigned int x, unsigned int y)
{
return x | y;
}
#if (defined(__i386__) || defined(__x86_64__))
static BOOL fenv_decode(__msvcrt_ulong enc, unsigned int *x, unsigned int *y)
{
@ -5716,16 +5723,8 @@ int CDECL fesetexceptflag(const fexcept_t *status, int excepts)
return 0;
fegetenv(&env);
#if _MSVCR_VER>=140 && (defined(__i386__) || defined(__x86_64__))
env._Fe_stat &= ~fenv_encode(excepts, excepts);
env._Fe_stat |= *status & fenv_encode(excepts, excepts);
#elif _MSVCR_VER>=140
env._Fe_stat &= ~fenv_encode(0, excepts);
env._Fe_stat |= *status & fenv_encode(0, excepts);
#else
env._Fe_stat &= ~excepts;
env._Fe_stat |= *status & excepts;
#endif
return fesetenv(&env);
}
@ -5738,13 +5737,7 @@ int CDECL feraiseexcept(int flags)
flags &= FE_ALL_EXCEPT;
fegetenv(&env);
#if _MSVCR_VER>=140 && defined(__i386__)
env._Fe_stat |= fenv_encode(flags, flags);
#elif _MSVCR_VER>=140
env._Fe_stat |= fenv_encode(0, flags);
#else
env._Fe_stat |= flags;
#endif
return fesetenv(&env);
}
@ -5757,11 +5750,7 @@ int CDECL feclearexcept(int flags)
fegetenv(&env);
flags &= FE_ALL_EXCEPT;
#if _MSVCR_VER>=140
env._Fe_stat &= ~fenv_encode(flags, flags);
#else
env._Fe_stat &= ~flags;
#endif
return fesetenv(&env);
}
@ -5774,10 +5763,8 @@ int CDECL fegetexceptflag(fexcept_t *status, int excepts)
unsigned int x87, sse;
_statusfp2(&x87, &sse);
*status = fenv_encode(x87 & excepts, sse & excepts);
#elif _MSVCR_VER>=140
*status = fenv_encode(0, _statusfp() & excepts);
#else
*status = _statusfp() & excepts;
*status = fenv_encode(0, _statusfp() & excepts);
#endif
return 0;
}