diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog index d082c073e6470b92fb527f288c5bf43405ce8882..4074c8c47bdcd909fe452080546fdd7603e3bb61 100644 --- a/libgfortran/ChangeLog +++ b/libgfortran/ChangeLog @@ -1,3 +1,9 @@ +2006-03-30 Francois-Xavier Coudert <coudert@clipper.ens.fr> + + PR libfortran/26712 + * config/fpu-387.h: Add special case for handling of SSE + control bit on i386-darwin. + 2006-03-30 Thomas Koenig <Thomas.Koenig@online.de> PR fortran/25031 diff --git a/libgfortran/config/fpu-387.h b/libgfortran/config/fpu-387.h index bf9fbc8efcedded252384014bb4cf08f4c5d5f1a..5e3dec2d4df33215c8430da6d6d9db1ab389ca5d 100644 --- a/libgfortran/config/fpu-387.h +++ b/libgfortran/config/fpu-387.h @@ -93,6 +93,17 @@ void set_fpu (void) /* SSE */ asm volatile ("stmxcsr %0" : "=m" (cw_sse)); cw_sse &= 0xFFFF0000; +#ifdef __APPLE__ + cw_sse |= (_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM | _FPU_MASK_OM + | _FPU_MASK_UM | _FPU_MASK_PM ) << 7; + if (options.fpe & GFC_FPE_INVALID) cw_sse &= ~(_FPU_MASK_IM << 7); + if (options.fpe & GFC_FPE_DENORMAL) cw_sse &= ~(_FPU_MASK_DM << 7); + if (options.fpe & GFC_FPE_ZERO) cw_sse &= ~(_FPU_MASK_ZM << 7); + if (options.fpe & GFC_FPE_OVERFLOW) cw_sse &= ~(_FPU_MASK_OM << 7); + if (options.fpe & GFC_FPE_UNDERFLOW) cw_sse &= ~(_FPU_MASK_UM << 7); + if (options.fpe & GFC_FPE_PRECISION) cw_sse &= ~(_FPU_MASK_PM << 7); + asm volatile ("ldmxcsr %0" : : "m" (cw_sse)); +#else if (options.fpe & GFC_FPE_INVALID) cw_sse |= 1 << 7; if (options.fpe & GFC_FPE_DENORMAL) cw_sse |= 1 << 8; if (options.fpe & GFC_FPE_ZERO) cw_sse |= 1 << 9; @@ -100,5 +111,6 @@ void set_fpu (void) if (options.fpe & GFC_FPE_UNDERFLOW) cw_sse |= 1 << 11; if (options.fpe & GFC_FPE_PRECISION) cw_sse |= 1 << 12; asm volatile ("ldmxcsr %0" : : "m" (cw_sse)); +#endif } }