8138952: C1: Distinguish between PPC32 and PPC64
Reviewed-by: twisti, goetz, vlivanov
os_family = solaris
arch = x86
arch_model = x86_64
os_arch = solaris_x86
os_arch_model = solaris_x86_64
lib_arch = amd64
compiler = gcc
sysdefs = -DSOLARIS -D_GNU_SOURCE -DAMD64