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Re: Results for egcs-2.91.52 19980727 (gcc2 ss-980609 experiment
- To: carlo at runaway dot xs4all dot nl (Carlo Wood)
- Subject: Re: Results for egcs-2.91.52 19980727 (gcc2 ss-980609 experiment
- From: Joe Buck <jbuck at synopsys dot com>
- Date: Thu, 6 Aug 98 10:31:32 PDT
- Cc: dje at watson dot ibm dot com, egcs at cygnus dot com
> | If you want correct IEEE operation from IBM POWER architecture (or
> | common-mode within AIX), one must use the GCC -ffloat-store option to
> | prevent the excess precision. AIX XLC has a similar option. Maybe this
> | option should be used for all testcases in the execute/ieee subdirectory.
>
> If adding -ffloat-store to the test cases solves the problem that it
> FAILs, then that seems a good solution to me :).
> Maybe you can write a patch and post it to cvs-patches for more discussion?
> I'd do it, but I don't have this architecture to test anything.
It would seem that any test of IEEE conformance that will fail if the
processor uses extra precision must specify -ffloat-store to be a valid
test. The patch itself is trivial, so I suppose the real work is figuring
out which test cases should be patched.