target-alpha improvments, version 5

Changes from v4->v5:
* Re-base vs master, and accepted patches.
* Address the comments from version 4.

r~

Richard Henderson (10):
target-alpha: Implement cpys{,n,e} inline.
target-alpha: Implement rs/rc properly.
target-alpha: Implement cvtlq inline.
target-alpha: Emit goto_tb opcodes.
target-alpha: Update commentary for opcode 0x1A.
target-alpha: Enable NPTL.
target-alpha: Indicate NORETURN status when raising exception.
target-alpha: Fix load-locked/store-conditional.
target-alpha: Implement RPCC.
Implement cpu_get_real_ticks for Alpha.

 configure                |    1 +
 linux-user/main.c        |   62 ++++-
 linux-user/syscall.c     |    2 +-
 qemu-timer.h             |   13 +
 target-alpha/cpu.h       |   36 ++-
 target-alpha/helper.c    |    7 +-
 target-alpha/helper.h    |    7 -
 target-alpha/op_helper.c |   60 +----
 target-alpha/translate.c |  684 ++++++++++++++++++++++++++++++----------------
 9 files changed, 555 insertions(+), 317 deletions(-)