[Bug 1740] Change PowerPC multi-libs for e200 and e500 cores
bugzilla-daemon at rtems.org
bugzilla-daemon at rtems.org
Wed Feb 16 11:50:03 UTC 2011
https://www.rtems.org/bugzilla/show_bug.cgi?id=1740
dufault at hda.com changed:
What |Removed |Added
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CC| |dufault at hda.com
--- Comment #1 from dufault at hda.com 2011-02-16 05:50:02 CST ---
(In reply to comment #0)
> We should not support SPE multi-lib variants, because this may effect the
> interrupt context save and restore overhead. There is also an open GCC bug
> related to the SPE: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47751
I'll continue to build "-mspe -mfloat-gprs=single" as I don't want to change
now, I don't know if I'm just never generating SPE code or if the bug only
applies to -mfloat-gprs=double. I'm also exercising the context switch code.
I do want to use the SPE for some FIR work.
Are the names "embfp32" and "embfp64" in use elsewhere? I've been using
"gprs_single" and "gprs_double" as it's clear it corresponds to the -m flags.
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