[Qemu-commits] [qemu/qemu] 5f2a80: target-alpha: Rewrite helper_cmpbge using bit test...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/qemu/qemu
  Commit: 5f2a80adc6fd2b2e4e0579a6613a9913e3cc9a05
      
https://github.com/qemu/qemu/commit/5f2a80adc6fd2b2e4e0579a6613a9913e3cc9a05
  Author: Richard Henderson <address@hidden>
  Date:   2015-08-17 (Mon, 17 Aug 2015)

  Changed paths:
    M target-alpha/int_helper.c

  Log Message:
  -----------
  target-alpha: Rewrite helper_cmpbge using bit tests

Not quite as good as using a proper host vector compare,
but certainly better than a loop.

Signed-off-by: Richard Henderson <address@hidden>


  Commit: 112e4518f0d38fc3c52e55c7d7e77b66a295ec2b
      
https://github.com/qemu/qemu/commit/112e4518f0d38fc3c52e55c7d7e77b66a295ec2b
  Author: Richard Henderson <address@hidden>
  Date:   2015-08-18 (Tue, 18 Aug 2015)

  Changed paths:
    M target-alpha/helper.h
    M target-alpha/int_helper.c
    M target-alpha/translate.c

  Log Message:
  -----------
  target-alpha: Special case cmpbge with zero

Knowing the comparator is zero leads to a simpler operation.

Signed-off-by: Richard Henderson <address@hidden>


  Commit: fc8135a46d095f865d285e697a874f617bfeeb90
      
https://github.com/qemu/qemu/commit/fc8135a46d095f865d285e697a874f617bfeeb90
  Author: Peter Maydell <address@hidden>
  Date:   2015-09-03 (Thu, 03 Sep 2015)

  Changed paths:
    M target-alpha/helper.h
    M target-alpha/int_helper.c
    M target-alpha/translate.c

  Log Message:
  -----------
  Merge remote-tracking branch 'remotes/rth/tags/pull-axp-20150902' into staging

cmpbge emulation improvements

# gpg: Signature made Wed 02 Sep 2015 20:25:10 BST using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <address@hidden>"
# gpg:                 aka "Richard Henderson <address@hidden>"
# gpg:                 aka "Richard Henderson <address@hidden>"

* remotes/rth/tags/pull-axp-20150902:
  target-alpha: Special case cmpbge with zero
  target-alpha: Rewrite helper_cmpbge using bit tests

Signed-off-by: Peter Maydell <address@hidden>


Compare: https://github.com/qemu/qemu/compare/654cd2c5841d...fc8135a46d09