RFH: testers for ieee test

Geert Bosch bosch@adacore.com
Thu Mar 27 17:36:00 GMT 2008


On Mar 27, 2008, at 02:58, Joern Rennecke wrote:
> I'm trying to write a test to check I get all the subnormal
> corner cases for ieee-754 double precision floating point division  
> right.
> The usual thing to do with a new test is to try it on a known good
> platform.  Unfortunately, the x86 processor of my workstation is  
> actually
> known to get these calculations wrong.  Could someone with a fully
> ieee compliant FPU try this test?

Just use -mfpmath=sse -msse2 to force use of SSE instructions
for double precision math. Should be the default nowadays, IMO.

   -Geert



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