[OpenSmalltalk/opensmalltalk-vm] b85570: CogVM source as per VMMaker.oscog-eem.2731

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[OpenSmalltalk/opensmalltalk-vm] b85570: CogVM source as per VMMaker.oscog-eem.2731

Eliot Miranda-3
  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: b85570231886048ae5e735b9cf83015c9913ccea
  Author: Eliot Miranda <[hidden email]>
  Date:   2020-03-21 (Sat, 21 Mar 2020)

  Changed paths:
    M image/VM Simulation Workspace.text
    M nsspur64src/vm/cogit.h
    M nsspur64src/vm/cogitX64SysV.c
    M nsspur64src/vm/cogitX64WIN64.c
    M nsspur64src/vm/cointerp.c
    M nsspur64src/vm/cointerp.h
    M nsspur64src/vm/gcc3x-cointerp.c
    M nsspursrc/vm/cogit.h
    M nsspursrc/vm/cogitARMv5.c
    M nsspursrc/vm/cogitIA32.c
    M nsspursrc/vm/cogitMIPSEL.c
    M nsspursrc/vm/cointerp.c
    M nsspursrc/vm/cointerp.h
    M nsspursrc/vm/gcc3x-cointerp.c
    M nsspurstack64src/vm/gcc3x-interp.c
    M nsspurstack64src/vm/interp.c
    M nsspurstacksrc/vm/gcc3x-interp.c
    M nsspurstacksrc/vm/interp.c
    M platforms/Mac OS/vm/sqMacUnixCommandLineInterface.c
    M platforms/iOS/vm/OSX/sqSqueakOSXApplication.m
    M platforms/unix/vm/sqUnixMain.c
    M platforms/win32/vm/sqWin32Main.c
    M platforms/win32/vm/sqWin32Window.c
    M scripts/revertIfEssentiallyUnchanged
    M spur64src/vm/cogit.h
    M spur64src/vm/cogitX64SysV.c
    M spur64src/vm/cogitX64WIN64.c
    M spur64src/vm/cointerp.c
    M spur64src/vm/cointerp.h
    M spur64src/vm/cointerpmt.c
    M spur64src/vm/cointerpmt.h
    M spur64src/vm/gcc3x-cointerp.c
    M spur64src/vm/gcc3x-cointerpmt.c
    M spurlowcode64src/vm/cogit.h
    M spurlowcode64src/vm/cogitX64SysV.c
    M spurlowcode64src/vm/cogitX64WIN64.c
    M spurlowcode64src/vm/cointerp.c
    M spurlowcode64src/vm/cointerp.h
    M spurlowcode64src/vm/gcc3x-cointerp.c
    M spurlowcodesrc/vm/cogit.h
    M spurlowcodesrc/vm/cogitARMv5.c
    M spurlowcodesrc/vm/cogitIA32.c
    M spurlowcodesrc/vm/cogitMIPSEL.c
    M spurlowcodesrc/vm/cointerp.c
    M spurlowcodesrc/vm/cointerp.h
    M spurlowcodesrc/vm/gcc3x-cointerp.c
    M spurlowcodestack64src/vm/gcc3x-interp.c
    M spurlowcodestack64src/vm/interp.c
    M spurlowcodestacksrc/vm/gcc3x-interp.c
    M spurlowcodestacksrc/vm/interp.c
    M spursista64src/vm/cogit.h
    M spursista64src/vm/cogitX64SysV.c
    M spursista64src/vm/cogitX64WIN64.c
    M spursista64src/vm/cointerp.c
    M spursista64src/vm/cointerp.h
    M spursista64src/vm/gcc3x-cointerp.c
    M spursistasrc/vm/cogit.h
    M spursistasrc/vm/cogitARMv5.c
    M spursistasrc/vm/cogitIA32.c
    M spursistasrc/vm/cogitMIPSEL.c
    M spursistasrc/vm/cointerp.c
    M spursistasrc/vm/cointerp.h
    M spursistasrc/vm/gcc3x-cointerp.c
    M spursrc/vm/cogit.h
    M spursrc/vm/cogitARMv5.c
    M spursrc/vm/cogitIA32.c
    M spursrc/vm/cogitMIPSEL.c
    M spursrc/vm/cointerp.c
    M spursrc/vm/cointerp.h
    M spursrc/vm/cointerpmt.c
    M spursrc/vm/cointerpmt.h
    M spursrc/vm/gcc3x-cointerp.c
    M spursrc/vm/gcc3x-cointerpmt.c
    M spurstack64src/vm/gcc3x-interp.c
    M spurstack64src/vm/interp.c
    M spurstack64src/vm/validImage.c
    M spurstacksrc/vm/gcc3x-interp.c
    M spurstacksrc/vm/interp.c
    M spurstacksrc/vm/validImage.c
    M src/plugins/LargeIntegers/LargeIntegers.c
    M src/plugins/ZipPlugin/ZipPlugin.c
    M src/vm/cogit.h
    M src/vm/cogitARMv5.c
    M src/vm/cogitIA32.c
    M src/vm/cogitMIPSEL.c
    M src/vm/cointerp.c
    M src/vm/cointerp.h
    M src/vm/cointerpmt.c
    M src/vm/cointerpmt.h
    M src/vm/gcc3x-cointerp.c
    M src/vm/gcc3x-cointerpmt.c
    M stacksrc/vm/gcc3x-interp.c
    M stacksrc/vm/interp.c

  Log Message:
  CogVM source as per VMMaker.oscog-eem.2731

Refactor the compilation breakpoints so they don't take a selector length.
Leave it up to CoInterpeeter to derive the byte length of the selector using
numBytesOf:.  Hence no longer mark lengthOf: as <api>.

Use a writable method when setting cpicHasMNUCase: in
cogExtendPIC:CaseNMethod:tag:isMNUCase:.  ARMv8 is getting there...

Slang: do constant folding in left and right shifts.

Interpreters: rip out the check alloc filler support in the interests of
simplicity.  Though useful in theory, this faclity has never been used
successfully to find a bug in all the years it's been available (and we
can always put it back).
Rip out the debugPrimCallStackOffset support.  I can't remember what this
was supposed to do.  It is confusing.

Spur: Don't update become effect flags for identical oops that will later
be filtered out in the loops oiver the arrays.  If newFinalizartion is set,
then don't queue a WeakArray for finalization more than once (i.e. if it's
already in the queue there's no point adding it again).

Cogit: fix genExternalizePointersForPrimitiveCall &
genLoadCStackPointersForPrimCall for the SPReg ~= NativeSPReg regime.
Localise code to the primitive generator invocation block in compilePrimitive.