[dmd-internals] [D-Programming-Language/dmd] 043221: Fix incorrect pinhole optimization

[GitHub via dmd-internals]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: 043221f39df4cdeed9408aa825cde89776124a6f
      https://github.com/D-Programming-Language/dmd/commit/043221f39df4cdeed9408aa825cde89776124a6f
  Author: WalterW <WalterWaldron at users.noreply.github.com>
  Date:   2015-04-22 (Wed, 22 Apr 2015)

  Changed paths:
    M src/backend/cod3.c

  Log Message:
  -----------
  Fix incorrect pinhole optimization


  Commit: c81bdb9d43d1241e7e61d5d71e4442426c4ed9f1
      https://github.com/D-Programming-Language/dmd/commit/c81bdb9d43d1241e7e61d5d71e4442426c4ed9f1
  Author: WalterW <WalterWaldron at users.noreply.github.com>
  Date:   2015-04-22 (Wed, 22 Apr 2015)

  Changed paths:
    M src/backend/cod1.c
    M src/backend/cod3.c

  Log Message:
  -----------
  Remove redundant REX prefix on 64 bit register clear


  Commit: b21176c4d8d4684f753174468aaf602830447ff4
      https://github.com/D-Programming-Language/dmd/commit/b21176c4d8d4684f753174468aaf602830447ff4
  Author: WalterW <WalterWaldron at users.noreply.github.com>
  Date:   2015-04-22 (Wed, 22 Apr 2015)

  Changed paths:
    M src/backend/cod3.c

  Log Message:
  -----------
  Improve codegen for moving 64 bit constants to registers.


  Commit: b0f890f35540f076fecf7944dc9cc5c798fd975e
      https://github.com/D-Programming-Language/dmd/commit/b0f890f35540f076fecf7944dc9cc5c798fd975e
  Author: WalterW <WalterWaldron at users.noreply.github.com>
  Date:   2015-04-22 (Wed, 22 Apr 2015)

  Changed paths:
    M src/iasm.c
    M test/runnable/iasm64.d

  Log Message:
  -----------
  Don't sign extend 32 bit unsigned constants in iasm.


  Commit: 9b6b14ec01fbd0296105e3b4f0a789138d07f62d
      https://github.com/D-Programming-Language/dmd/commit/9b6b14ec01fbd0296105e3b4f0a789138d07f62d
  Author: Martin Nowak <code at dawg.eu>
  Date:   2015-04-24 (Fri, 24 Apr 2015)

  Changed paths:
    M src/backend/cod1.c
    M src/backend/cod3.c
    M src/iasm.c
    M test/runnable/iasm64.d

  Log Message:
  -----------
  Merge pull request #4596 from WalterWaldron/codegen64

[backend] Improve 64 bit constant code generation


Compare: https://github.com/D-Programming-Language/dmd/compare/199be8ba6e1b...9b6b14ec01fb