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msvcr120: Fix setting status word in fesetenv. 

Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Piotr Caban 2021-05-13 18:46:19 +02:00 committed by Alexandre Julliard
parent 5864bc88de
commit cdcfba9ad9
1 changed files with 14 additions and 7 deletions
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21
dlls/msvcrt/math.c
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@ -2399,12 +2399,13 @@ int CDECL fesetenv(const fenv_t *env)
case _RC_DOWN: fenv.control_word |= 0x400; break;
}
fenv.status_word &= ~0x3d;
if (env->_Fe_stat & FE_INVALID) fenv.status_word |= 0x1;
if (env->_Fe_stat & FE_DIVBYZERO) fenv.status_word |= 0x4;
if (env->_Fe_stat & FE_OVERFLOW) fenv.status_word |= 0x8;
if (env->_Fe_stat & FE_UNDERFLOW) fenv.status_word |= 0x10;
if (env->_Fe_stat & FE_INEXACT) fenv.status_word |= 0x20;
fenv.status_word &= ~0x3f;
if (env->_Fe_stat & _SW_INVALID) fenv.status_word |= 0x1;
if (env->_Fe_stat & _SW_DENORMAL) fenv.status_word |= 0x2;
if (env->_Fe_stat & _SW_ZERODIVIDE) fenv.status_word |= 0x4;
if (env->_Fe_stat & _SW_OVERFLOW) fenv.status_word |= 0x8;
if (env->_Fe_stat & _SW_UNDERFLOW) fenv.status_word |= 0x10;
if (env->_Fe_stat & _SW_INEXACT) fenv.status_word |= 0x20;
__asm__ __volatile__( "fldenv %0" : : "m" (fenv) : "st", "st(1)",
"st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)" );
@ -2413,7 +2414,7 @@ int CDECL fesetenv(const fenv_t *env)
{
DWORD fpword;
__asm__ __volatile__( "stmxcsr %0" : "=m" (fpword) );
fpword &= ~0x7e80;
fpword &= ~0x7ebf;
if (env->_Fe_ctl & _EM_INVALID) fpword |= 0x80;
if (env->_Fe_ctl & _EM_ZERODIVIDE) fpword |= 0x200;
if (env->_Fe_ctl & _EM_OVERFLOW) fpword |= 0x400;
@ -2425,6 +2426,12 @@ int CDECL fesetenv(const fenv_t *env)
case _RC_UP: fpword |= 0x4000; break;
case _RC_DOWN: fpword |= 0x2000; break;
}
if (env->_Fe_stat & _SW_INVALID) fpword |= 0x1;
if (env->_Fe_stat & _SW_DENORMAL) fpword |= 0x2;
if (env->_Fe_stat & _SW_ZERODIVIDE) fpword |= 0x4;
if (env->_Fe_stat & _SW_OVERFLOW) fpword |= 0x8;
if (env->_Fe_stat & _SW_UNDERFLOW) fpword |= 0x10;
if (env->_Fe_stat & _SW_INEXACT) fpword |= 0x20;
__asm__ __volatile__( "ldmxcsr %0" : : "m" (fpword) );
}