Changeset 9906:6908b72f1ffa
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mem: Rename the ASI_BITS flag field in Request

ASI_BITS in the Request object were originally used to store a memory
request's ASI on SPARC. This is not the case any more since other ISAs
use the ASI bits to store architecture-dependent information. This
changeset renames the ASI_BITS to ARCH_BITS which better describes
their use. Additionally, the getAsi() accessor is renamed to
getArchFlags().

Quick regressions for ARM, SPARC, MIPS, X86 pass with the exception of the insttest and m5threads tests on SPARC (missing binaries).