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[RFC: Patch, PR 60102] [4.9/4.10 Regression] powerpc fp-bit ices at dwf_regno


Hello All,

This is related to the following bug:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102

I have tried to fix the e500v2 build on GCC v4.9.0 with the attached patch.
Can you please review and comment on the changes especially DWARF_FRAME_REGNUM, DWARF_REG_TO_UNWIND_COLUMN definitions?

Tested this patch on trunk [r212120] with ppc64 and didn't find any new regressions.
Back ported this patch on GCC v4.8.2 e500v2 and tested with no new regressions

Note:
With GCC v4.9.0, to build the e500v2 bareboard version the attached patch is enough.
With GCC v4.9.0. to build the e500v2 linux version along with the attached patch please add pr60735 patch too.

Regards,
Rohit


Attachment: pr60102.patch
Description: pr60102.patch


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