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Jakub Jelinek wrote: > On Tue, Mar 27, 2007 at 11:09:28AM -0500, Steven Munroe wrote: > >> 2007-03-26 Steven Munroe <sjmunroe@us.ibm.com> >> >> * sysdeps/powerpc/fpu/feupdateenv.c: Change mask to merge exceptions >> from env. >> > > Will that actually raise SIGFPE signals when exceptions are enabled? > From my reading of POSIX that's what should happen with the > `old' exceptions (and other arches are calling feraiseexcept that will do > that). I didn't add a testcase for it because I'm not 100% sure about that. > > hmmm not unless the SIGFPE is eanbled by the MSR FE bits. So we will need to call __fe_nomask_env() in feupdateenv similar to what we do in feenableexcept(). Probably should add the __fe_mask_env() call for when the application remasks FP exceptions. This allows the hardware to run faster when we are taking the default action. I will rework the patch.
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