[PATCH 2/2][ARC] Add support for ARCv2 CPUs

[Claudiu Zissulescu]

Just realized this patch haven't went thru to the mailing list. Reposted.

This patch adds basic support (libgcc) for Synopsys' ARCv2 CPUs. 

Can this be committed?

Thanks,
Claudiu

ChangeLog:
2015-08-28  Claudiu Zissulescu  <claz...@synopsys.com>

                * config/arc/dp-hack.h: Add support for ARCHS.
                * config/arc/ieee-754/divdf3.S: Likewise.
                * config/arc/ieee-754/divsf3-stdmul.S: Likewise.
                * config/arc/ieee-754/muldf3.S: Likewise.
                * config/arc/ieee-754/mulsf3.S: Likewise
                * config/arc/lib1funcs.S: Likewise
                * config/arc/gmon/dcache_linesz.S: Don't read the build register
                for ARCv2 cores.
                * config/arc/gmon/profil.S (__profil, __profil_irq): Don't 
profile
                for ARCv2 cores.
                * config/arc/ieee-754/arc-ieee-754.h (MPYHU, MPYH): Define.
                * config/arc/t-arc700-uClibc: Remove hard selection for ARC 700
                cores.

02-arcv2.patch
Description: 02-arcv2.patch