| #include <fenv.h> | |
| /* 7.6.4.2 | |
| The feholdexcept function saves the current floating-point | |
| environment in the object pointed to by envp, clears the exception | |
| flags, and then installs a non-stop (continue on exceptions) mode, | |
| if available, for all exceptions. */ | |
| int feholdexcept (fenv_t * envp) | |
| { | |
| __asm__ ("fnstenv %0;" : "=m" (* envp)); /* save current into envp */ | |
| /* fnstenv sets control word to non-stop for all exceptions, so all we | |
| need to do is clear the exception flags. */ | |
| __asm__ ("fnclex"); | |
| return 0; | |
| } |