SIGFPE with FPE_FLTRES

Christos Zoulas christos at zoulas.com
Thu Mar 26 12:32:59 UTC 2009


On Mar 25,  4:28pm, Thomas.Rodriguez at Sun.COM (Tom Rodriguez) wrote:
-- Subject: Re: SIGFPE with FPE_FLTRES

| That's even more odd to me.  x86_64 shouldn't be using the old FP  
| instructions and the SSE based one don't produce an inexact traps as  
| far as I can tell.  Maybe they are still being emitted somewhere,  
| possibly for the transcendentals?  Actually I can see that the  
| template interpreter still uses them so maybe something is happening  
| there with a left over precision exception?
| 
| tom

I would just remove the trancendental c implementation. It is not consistent
with the java one anyway on amd64:

    http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6539464

It's been 2 years that this is has been open. I don't understand how come
nobody else has hit this. My only guess is that people don't compare results
from successive runs.

christos



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