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* [Qemu-devel] [PATCH 0/6] target-arm: reduce usage of global env
@ 2011-05-25 16:00 Peter Maydell
  2011-05-25 16:00 ` [Qemu-devel] [PATCH 1/6] Revert "target-arm: Use global env in iwmmxt_helper.c helpers" Peter Maydell
                   ` (7 more replies)
  0 siblings, 8 replies; 10+ messages in thread
From: Peter Maydell @ 2011-05-25 16:00 UTC (permalink / raw)
  To: qemu-devel; +Cc: Blue Swirl, Paul Brook, Aurelien Jarno, patches

This patchset is largely aimed at rolling back the changes from an
earlier patchset of mine:
http://lists.gnu.org/archive/html/qemu-devel/2011-04/msg00244.html
which made various Neon helper routines use the correct FP status
flags by having them use the global env.

Since we've decided we're trying to get rid of the global CPUState
pointer (at least in C code), patches 1, 5, 6 here are basically
reverting patches 1,2,3 of that earlier patchset. In order not
to throw the baby out with the bathwater, patches 2, 3, 4 make
the helper routines which need to use the FP status take a pointer
to the fp status word. (In a few cases we can then merge them
with the equivalent VFP helpers.)

This obviously still leaves some global CPUState use in op_helper.c,
but it's a move in the right direction.


Peter Maydell (6):
  Revert "target-arm: Use global env in iwmmxt_helper.c helpers"
  target-arm: Add helper function to generate code to get fpstatus
    pointer
  target-arm: Make VFP binop helpers take pointer to fpstatus, not
    CPUState
  target-arm: Pass fp status pointer explicitly to neon fp helpers
  Revert "target-arm: Use global env in neon_helper.c helpers"
  Revert "Makefile.target: Allow target helpers to be in any *_helper.c
    file"

 Makefile.target            |    2 +-
 target-arm/helper.c        |   10 +-
 target-arm/helper.h        |  293 +++++++++++++++---------------
 target-arm/iwmmxt_helper.c |   80 +++++----
 target-arm/neon_helper.c   |  201 ++++++++++-----------
 target-arm/translate.c     |  431 ++++++++++++++++++++++++++------------------
 6 files changed, 554 insertions(+), 463 deletions(-)

^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2011-05-26 19:46 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-05-25 16:00 [Qemu-devel] [PATCH 0/6] target-arm: reduce usage of global env Peter Maydell
2011-05-25 16:00 ` [Qemu-devel] [PATCH 1/6] Revert "target-arm: Use global env in iwmmxt_helper.c helpers" Peter Maydell
2011-05-25 16:00 ` [Qemu-devel] [PATCH 2/6] target-arm: Add helper function to generate code to get fpstatus pointer Peter Maydell
2011-05-25 16:00 ` [Qemu-devel] [PATCH 3/6] target-arm: Make VFP binop helpers take pointer to fpstatus, not CPUState Peter Maydell
2011-05-25 16:00 ` [Qemu-devel] [PATCH 4/6] target-arm: Pass fp status pointer explicitly to neon fp helpers Peter Maydell
2011-05-25 16:00 ` [Qemu-devel] [PATCH 5/6] Revert "target-arm: Use global env in neon_helper.c helpers" Peter Maydell
2011-05-25 16:00 ` [Qemu-devel] [PATCH 6/6] Revert "Makefile.target: Allow target helpers to be in any *_helper.c file" Peter Maydell
2011-05-26 19:01 ` [Qemu-devel] [PATCH 0/6] target-arm: reduce usage of global env Blue Swirl
2011-05-26 19:34   ` Peter Maydell
2011-05-26 19:46 ` Peter Maydell

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