| 1 | /** |
| 2 | * This file has no copyright assigned and is placed in the Public Domain. |
| 3 | * This file is part of the mingw-w64 runtime package. |
| 4 | * No warranty is given; refer to the file DISCLAIMER.PD within this package. |
| 5 | */ |
| 6 | #include <internal.h> |
| 7 | |
| 8 | /* 7.6.2.3 |
| 9 | The feraiseexcept function raises the supported exceptions |
| 10 | represented by its argument The order in which these exceptions |
| 11 | are raised is unspecified, except as stated in F.7.6. |
| 12 | Whether the feraiseexcept function additionally raises |
| 13 | the inexact exception whenever it raises the overflow |
| 14 | or underflow exception is implementation-defined. */ |
| 15 | |
| 16 | int feraiseexcept(int flags) |
| 17 | { |
| 18 | fenv_t env; |
| 19 | |
| 20 | flags &= FE_ALL_EXCEPT; |
| 21 | fegetenv(&env); |
| 22 | env._Fe_stat |= fenv_encode(flags, flags); |
| 23 | fesetenv(&env); |
| 24 | #if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__)) |
| 25 | __asm__ volatile ("fwait\n\t"); |
| 26 | #endif |
| 27 | return 0; |
| 28 | } |