[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] 9aebec: CogVM source as per VMMaker.oscog-eem.3283

[Eliot Miranda]

  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: 9aebec0fabb2482baebbc263032b44c9a4b42b95
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/9aebec0fabb2482baebbc263032b44c9a4b42b95
  Author: Eliot Miranda <eliot.miranda at gmail.com>
  Date:   2022-12-13 (Tue, 13 Dec 2022)

  Changed paths:
    M src/spur32.cog.lowcode/cogit.h
    M src/spur32.cog.lowcode/cogitARMv5.c
    M src/spur32.cog.lowcode/cogitIA32.c
    M src/spur32.cog/cogit.h
    M src/spur32.cog/cogitARMv5.c
    M src/spur32.cog/cogitIA32.c
    M src/spur32.sista/cogit.h
    M src/spur32.sista/cogitARMv5.c
    M src/spur32.sista/cogitIA32.c
    M src/spur64.cog.lowcode/cogit.h
    M src/spur64.cog.lowcode/cogitARMv8.c
    M src/spur64.cog.lowcode/cogitX64SysV.c
    M src/spur64.cog.lowcode/cogitX64WIN64.c
    M src/spur64.cog/cogit.h
    M src/spur64.cog/cogitARMv8.c
    M src/spur64.cog/cogitX64SysV.c
    M src/spur64.cog/cogitX64WIN64.c
    M src/spur64.sista/cogit.h
    M src/spur64.sista/cogitARMv8.c
    M src/spur64.sista/cogitX64SysV.c
    M src/spur64.sista/cogitX64WIN64.c
    M src/v3.cog/cogit.h
    M src/v3.cog/cogitARMv5.c
    M src/v3.cog/cogitIA32.c

  Log Message:
  -----------
  CogVM source as per VMMaker.oscog-eem.3283

Implement a machine code primitive for 84 perform:withArguments:.
It is about 5x faster, and some applications make heavy use of it.

Have genLoadcmNumArgsOf:into: deal with the optional zero-extension byte read
convention.

Fix slips in CogARMv8Compiler>>isImmNImmSImmREncodableBitmask:ifTrue:ifFalse:/
decodeN:imms:immr: