7079329: Adjust allocation prefetching for T4
Summary: on T4 2 BIS instructions should be issued to prefetch 64 bytes
Reviewed-by: iveresov, phh, twisti
os_family = linux
arch = ppc
arch_model = ppc
os_arch = linux_ppc
os_arch_model = linux_ppc
lib_arch = ppc
compiler = gcc
gnu_dis_arch = ppc
sysdefs = -DLINUX -D_GNU_SOURCE -DPPC