[Vm-dev] [commit][3553] CogVm source as per VMMaker.oscog-eem.1630

Dimitris Chloupis kilon.alios at gmail.com
Mon Jan 11 11:16:17 UTC 2016


amazing work Eliot, well done :)

On Mon, Jan 11, 2016 at 1:11 PM Esteban Lorenzano <estebanlm at gmail.com>
wrote:

>
> cool!
>
> On 11 Jan 2016, at 00:02, Eliot Miranda <eliot.miranda at gmail.com> wrote:
>
> and this implies that the production x86_64 VM on Mac OS X is functional.
> There is still no FFI, Alien or otherwise, so this is still insufficient
> for anything other than pure Smalltalk hacking.  But this is an important
> milestone and I should be able to release it for people to play with later
> next week.
>
> On Sun, Jan 10, 2016 at 2:51 PM, <commits at squeakvm.org> wrote:
>
>>
>> Revision: 3553
>> Author:   eliot
>> Date:     2016-01-10 14:51:42 -0800 (Sun, 10 Jan 2016)
>> Log Message:
>> -----------
>> CogVm source as per VMMaker.oscog-eem.1630
>>
>> Cogit:
>> Fix the bug in ceCaptureStackPointers caused by pushing VarBasReg to save
>> it
>> offsetting the stack pointer.
>>
>> Eliminate all the maybe*VarBase methods since we have hasVarBaseRegister
>> and
>> the few clients can test that and hnce not have to divine if
>> maybeSaveVarBase
>> pushed something or not.
>>
>> On Mac IS X modify the stack alignment definitions to reflect documented
>> Apple policy.
>>
>> Modified Paths:
>> --------------
>>     branches/Cog/nsspursrc/vm/cogit.h
>>     branches/Cog/nsspursrc/vm/cogitARMv5.c
>>     branches/Cog/nsspursrc/vm/cogitIA32.c
>>     branches/Cog/nsspursrc/vm/cogitMIPSEL.c
>>     branches/Cog/platforms/Cross/vm/sqCogStackAlignment.h
>>     branches/Cog/spur64src/vm/cogit.h
>>     branches/Cog/spur64src/vm/cogitX64.c
>>     branches/Cog/spursistasrc/vm/cogit.h
>>     branches/Cog/spursistasrc/vm/cogitARMv5.c
>>     branches/Cog/spursistasrc/vm/cogitIA32.c
>>     branches/Cog/spursistasrc/vm/cogitMIPSEL.c
>>     branches/Cog/spursrc/vm/cogit.h
>>     branches/Cog/spursrc/vm/cogitARMv5.c
>>     branches/Cog/spursrc/vm/cogitIA32.c
>>     branches/Cog/spursrc/vm/cogitMIPSEL.c
>>     branches/Cog/src/vm/cogit.h
>>     branches/Cog/src/vm/cogitARMv5.c
>>     branches/Cog/src/vm/cogitIA32.c
>>     branches/Cog/src/vm/cogitMIPSEL.c
>>
>> Property Changed:
>> ----------------
>>     branches/Cog/platforms/Cross/vm/sqSCCSVersion.h
>>
>> Modified: branches/Cog/nsspursrc/vm/cogit.h
>> ===================================================================
>> --- branches/Cog/nsspursrc/vm/cogit.h   2016-01-10 21:49:21 UTC (rev 3552)
>> +++ branches/Cog/nsspursrc/vm/cogit.h   2016-01-10 22:51:42 UTC (rev 3553)
>> @@ -1,5 +1,5 @@
>>  /* Automatically generated by
>> -       CCodeGenerator VMMaker.oscog-eem.1629 uuid:
>> e706b773-41e5-482b-aa41-bacdf83d47e7
>> +       CCodeGenerator VMMaker.oscog-eem.1630 uuid:
>> 2ed025ea-f400-4440-8e8b-5aa46d06c9ab
>>   */
>>
>>
>>
>> Modified: branches/Cog/nsspursrc/vm/cogitARMv5.c
>> ===================================================================
>> --- branches/Cog/nsspursrc/vm/cogitARMv5.c      2016-01-10 21:49:21 UTC
>> (rev 3552)
>> +++ branches/Cog/nsspursrc/vm/cogitARMv5.c      2016-01-10 22:51:42 UTC
>> (rev 3553)
>> @@ -1,9 +1,9 @@
>>  /* Automatically generated by
>> -       CCodeGenerator VMMaker.oscog-eem.1629 uuid:
>> e706b773-41e5-482b-aa41-bacdf83d47e7
>> +       CCodeGenerator VMMaker.oscog-eem.1630 uuid:
>> 2ed025ea-f400-4440-8e8b-5aa46d06c9ab
>>     from
>> -       StackToRegisterMappingCogit VMMaker.oscog-eem.1629 uuid:
>> e706b773-41e5-482b-aa41-bacdf83d47e7
>> +       StackToRegisterMappingCogit VMMaker.oscog-eem.1630 uuid:
>> 2ed025ea-f400-4440-8e8b-5aa46d06c9ab
>>   */
>> -static char __buildInfo[] = "StackToRegisterMappingCogit
>> VMMaker.oscog-eem.1629 uuid: e706b773-41e5-482b-aa41-bacdf83d47e7 "
>> __DATE__ ;
>> +static char __buildInfo[] = "StackToRegisterMappingCogit
>> VMMaker.oscog-eem.1630 uuid: 2ed025ea-f400-4440-8e8b-5aa46d06c9ab "
>> __DATE__ ;
>>  char *__cogitBuildInfo = __buildInfo;
>>
>>
>> @@ -955,7 +955,6 @@
>>  static sqInt endSizeOffset(void);
>>  static sqInt NoDbgRegParms literalInstructionInRange(AbstractInstruction
>> *litInst);
>>  static AbstractInstruction * NoDbgRegParms locateLiteral(sqInt aLiteral);
>> -static sqInt NoDbgRegParms mustDumpLiterals(sqInt currentOpcodeIndex);
>>  static sqInt resetForBlockCompile(void);
>>  static sqInt saveForBlockCompile(void);
>>  static sqInt compileBlockDispatch(void);
>> @@ -10067,14 +10066,14 @@
>>      sqInt size;
>>
>>         zeroOpcodeIndex();
>> -       /* begin maybeEstablishVarBase */
>> +       /* begin MoveCq:R: */
>>         quickConstant = varBaseAddress();
>>         /* begin gen:quickConstant:operand: */
>>         anInstruction = genoperandoperand(MoveCqR, quickConstant,
>> VarBaseReg);
>>         if (usesOutOfLineLiteral(anInstruction)) {
>>                 (anInstruction->dependent = locateLiteral(quickConstant));
>>         }
>> -       ((AbstractInstruction *) backEnd);
>> +
>>         genLoadStackPointers(backEnd);
>>         if (regArg3OrNone != NoReg) {
>>                 /* begin PopR: */
>> @@ -10163,6 +10162,7 @@
>>      sqInt fixupSize;
>>      sqInt opcodeSize;
>>      sqInt quickConstant;
>> +    sqInt quickConstant1;
>>      sqInt startAddress;
>>
>>         /* begin allocateOpcodes:bytecodes: */
>> @@ -10174,32 +10174,42 @@
>>         fixups = ((void *)((((usqInt)abstractOpcodes)) + opcodeSize));
>>         zeroOpcodeIndex();
>>         labelCounter = 0;
>> +
>> +       /* Must happen first; value may be used in accessing any of the
>> following addresses */
>>         startAddress = methodZoneBase;
>> -       /* begin maybeSaveVarBase */
>> +       /* begin PushR: */
>>         genoperand(PushR, VarBaseReg);
>> -       ((AbstractInstruction *) backEnd);
>> -       /* begin maybeEstablishVarBase */
>> -       quickConstant = varBaseAddress();
>> +       /* begin MoveCq:R: */
>> +       quickConstant1 = varBaseAddress();
>>         /* begin gen:quickConstant:operand: */
>> -       anInstruction1 = genoperandoperand(MoveCqR, quickConstant,
>> VarBaseReg);
>> +       anInstruction1 = genoperandoperand(MoveCqR, quickConstant1,
>> VarBaseReg);
>>         if (usesOutOfLineLiteral(anInstruction1)) {
>> -               (anInstruction1->dependent =
>> locateLiteral(quickConstant));
>> +               (anInstruction1->dependent =
>> locateLiteral(quickConstant1));
>>         }
>> -       ((AbstractInstruction *) backEnd);
>> +
>>         if (captureFramePointer) {
>>                 /* begin MoveR:Aw: */
>>                 address = cFramePointerAddress();
>>                 /* begin gen:operand:literal: */
>>                 checkLiteralforInstruction(address,
>> genoperandoperand(MoveRAw, FPReg, address));
>>         }
>> +       /* begin MoveR:R: */
>> +       genoperandoperand(MoveRR, SPReg, TempReg);
>> +       /* begin AddCq:R: */
>> +       quickConstant = 0 + BytesPerWord;
>> +       /* begin gen:quickConstant:operand: */
>> +       anInstruction = genoperandoperand(AddCqR, quickConstant, TempReg);
>> +       if (usesOutOfLineLiteral(anInstruction)) {
>> +               (anInstruction->dependent = locateLiteral(quickConstant));
>> +       }
>>         /* begin MoveR:Aw: */
>>         address1 = cStackPointerAddress();
>>         /* begin gen:operand:literal: */
>> -       checkLiteralforInstruction(address1, genoperandoperand(MoveRAw,
>> SPReg, address1));
>> +       checkLiteralforInstruction(address1, genoperandoperand(MoveRAw,
>> TempReg, address1));
>>
>> -       /* begin maybeRestoreVarBase */
>> +       /* begin PopR: */
>>         genoperand(PopR, VarBaseReg);
>> -       ((AbstractInstruction *) backEnd);
>> +
>>         /* begin RetN: */
>>         genoperand(RetN, 0);
>>         outputInstructionsForGeneratedRuntimeAt(startAddress);
>> @@ -16169,7 +16179,6 @@
>>         jumpNotSI = genJumpNotSmallInteger(Arg0Reg);
>>         genShiftAwaySmallIntegerTagsInScratchReg(ClassReg);
>>         genRemoveSmallIntegerTagsInScratchReg(Arg1Reg);
>> -       /* begin MulR:R: */
>>         genMulRR(backEnd, Arg1Reg, ClassReg);
>>         /* begin JumpOverflow: */
>>         jumpOvfl = genConditionalBranchoperand(JumpOverflow, ((sqInt)0));
>> @@ -21984,14 +21993,6 @@
>>         return litInst;
>>  }
>>
>> -       /* OutOfLineLiteralsManager>>#mustDumpLiterals: */
>> -static sqInt NoDbgRegParms
>> -mustDumpLiterals(sqInt currentOpcodeIndex)
>> -{
>> -       return (currentOpcodeIndex >= firstOpcodeIndex)
>> -        && ((currentOpcodeIndex - firstOpcodeIndex) >=
>> (outOfLineLiteralOpcodeLimit(backEnd())));
>> -}
>> -
>>         /* OutOfLineLiteralsManager>>#resetForBlockCompile */
>>  static sqInt
>>  resetForBlockCompile(void)
>> @@ -23445,14 +23446,14 @@
>>      sqInt reg;
>>
>>         zeroOpcodeIndex();
>> -       /* begin maybeEstablishVarBase */
>> +       /* begin MoveCq:R: */
>>         quickConstant = varBaseAddress();
>>         /* begin gen:quickConstant:operand: */
>> -       anInstruction6 = genoperandoperand(MoveCqR, quickConstant,
>> VarBaseReg);
>> -       if (usesOutOfLineLiteral(anInstruction6)) {
>> -               (anInstruction6->dependent =
>> locateLiteral(quickConstant));
>> +       anInstruction = genoperandoperand(MoveCqR, quickConstant,
>> VarBaseReg);
>> +       if (usesOutOfLineLiteral(anInstruction)) {
>> +               (anInstruction->dependent = locateLiteral(quickConstant));
>>         }
>> -       ((AbstractInstruction *) backEnd);
>> +
>>         if (profiling) {
>>
>>                 /* Test nextProfileTick for being non-zero and call
>> checkProfileTick: if so.
>> @@ -23508,9 +23509,9 @@
>>         checkLiteralforInstruction(address8, genoperandoperand(MoveAwR,
>> address8, reg));
>>         genLoadStackPointers(backEnd);
>>         /* begin MoveMw:r:R: */
>> -       anInstruction4 = genoperandoperandoperand(MoveMwrR, 0, SPReg,
>> ReceiverResultReg);
>> -       if (usesOutOfLineLiteral(anInstruction4)) {
>> -               (anInstruction4->dependent = locateLiteral(0));
>> +       anInstruction5 = genoperandoperandoperand(MoveMwrR, 0, SPReg,
>> ReceiverResultReg);
>> +       if (usesOutOfLineLiteral(anInstruction5)) {
>> +               (anInstruction5->dependent = locateLiteral(0));
>>         }
>>
>>         /* begin RetN: */
>> @@ -24798,7 +24799,8 @@
>>                         (fixup->targetInstruction =
>> abstractInstructionAt(nextOpcodeIndex));
>>                 }
>>                 /* begin maybeDumpLiterals: */
>> -               if ((mustDumpLiterals(opcodeIndex))
>> +               if (((opcodeIndex >= firstOpcodeIndex)
>> +                && ((opcodeIndex - firstOpcodeIndex) >=
>> (outOfLineLiteralOpcodeLimit(backEnd()))))
>>                  || ((isUnconditionalBranch(descriptor))
>>                  || ((descriptor->isReturn)))) {
>>                         dumpLiterals(!((isUnconditionalBranch(descriptor))
>> @@ -25439,14 +25441,14 @@
>>      sqInt size;
>>
>>         zeroOpcodeIndex();
>> -       /* begin maybeEstablishVarBase */
>> +       /* begin MoveCq:R: */
>>         quickConstant = varBaseAddress();
>>         /* begin gen:quickConstant:operand: */
>>         anInstruction = genoperandoperand(MoveCqR, quickConstant,
>> VarBaseReg);
>>         if (usesOutOfLineLiteral(anInstruction)) {
>>                 (anInstruction->dependent = locateLiteral(quickConstant));
>>         }
>> -       ((AbstractInstruction *) backEnd);
>> +
>>         genLoadStackPointers(backEnd);
>>         /* begin PopR: */
>>         genoperand(PopR, ClassReg);
>>
>> Modified: branches/Cog/nsspursrc/vm/cogitIA32.c
>> ===================================================================
>> --- branches/Cog/nsspursrc/vm/cogitIA32.c       2016-01-10 21:49:21 UTC
>> (rev 3552)
>> +++ branches/Cog/nsspursrc/vm/cogitIA32.c       2016-01-10 22:51:42 UTC
>> (rev 3553)
>> @@ -1,9 +1,9 @@
>>  /* Automatically generated by
>> -       CCodeGenerator VMMaker.oscog-eem.1629 uuid:
>> e706b773-41e5-482b-aa41-bacdf83d47e7
>> +       CCodeGenerator VMMaker.oscog-eem.1630 uuid:
>> 2ed025ea-f400-4440-8e8b-5aa46d06c9ab
>>     from
>> -       StackToRegisterMappingCogit VMMaker.oscog-eem.1629 uuid:
>> e706b773-41e5-482b-aa41-bacdf83d47e7
>> +       StackToRegisterMappingCogit VMMaker.oscog-eem.1630 uuid:
>> 2ed025ea-f400-4440-8e8b-5aa46d06c9ab
>>   */
>> -static char __buildInfo[] = "StackToRegisterMappingCogit
>> VMMaker.oscog-eem.1629 uuid: e706b773-41e5-482b-aa41-bacdf83d47e7 "
>> __DATE__ ;
>> +static char __buildInfo[] = "StackToRegisterMappingCogit
>> VMMaker.oscog-eem.1630 uuid: 2ed025ea-f400-4440-8e8b-5aa46d06c9ab "
>> __DATE__ ;
>>  char *__cogitBuildInfo = __buildInfo;
>>
>>
>> @@ -929,8 +929,7 @@
>>  static sqInt genLongUnconditionalForwardJump(void);
>>  static sqInt NoDbgRegParms genLookupForPerformNumArgs(sqInt numArgs);
>>  static AbstractInstruction * NoDbgRegParms genMoveConstantR(sqInt
>> constant, sqInt reg);
>> -static AbstractInstruction * NoDbgRegParms genMoveFalseR(sqInt reg);
>> -static sqInt NoDbgRegParms genMoveTrueR(sqInt reg);
>> +static AbstractInstruction * NoDbgRegParms genMoveTrueR(sqInt reg);
>>  static sqInt NoDbgRegParms genMustBeBooleanTrampolineForcalled(sqInt
>> boolean, char *trampolineName);
>>  static void NoDbgRegParms genPrimReturnEnterCogCodeEnilopmart(sqInt
>> profiling);
>>  static sqInt genPushClosureTempsBytecode(void);
>> @@ -3148,7 +3147,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset15) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset15) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset15) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpLongNonZero:
>> @@ -3188,7 +3187,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset17) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset17) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset17) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case Jump:
>> @@ -3253,7 +3252,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset19) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset19) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset19) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpNonNegative:
>> @@ -3291,7 +3290,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset110) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset110) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset110) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpOverflow:
>> @@ -3329,7 +3328,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset111) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset111) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset111) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpNoOverflow:
>> @@ -3367,7 +3366,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset112) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset112) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset112) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpCarry:
>> @@ -3407,7 +3406,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset113) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset113) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset113) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpNoCarry:
>> @@ -3447,7 +3446,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset114) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset114) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset114) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpLess:
>> @@ -3485,7 +3484,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset115) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset115) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset115) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpGreaterOrEqual:
>> @@ -3523,7 +3522,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset116) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset116) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset116) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpGreater:
>> @@ -3561,7 +3560,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset117) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset117) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset117) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpLessOrEqual:
>> @@ -3599,7 +3598,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset118) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset118) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset118) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpAbove:
>> @@ -3638,7 +3637,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset119) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset119) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset119) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpBelowOrEqual:
>> @@ -3677,7 +3676,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset120) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset120) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset120) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpFPOrdered:
>> @@ -3715,7 +3714,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset121) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset121) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset121) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case JumpFPUnordered:
>> @@ -3753,7 +3752,7 @@
>>                 ((self_in_dispatchConcretize->machineCode))[3] =
>> ((((usqInt) offset122) >> 8) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[4] =
>> ((((usqInt) offset122) >> 16) & 0xFF);
>>                 ((self_in_dispatchConcretize->machineCode))[5] =
>> ((((usqInt) offset122) >> 24) & 0xFF);
>> -               ((usqInt) (((self_in_dispatchConcretize->machineCodeSize)
>> = 6)));
>> +               ((self_in_dispatchConcretize->machineCodeSize) = 6);
>>                 return;
>>
>>         case RetN:
>> @@ -9211,13 +9210,13 @@
>>  static void (*genEnilopmartForandandforCallcalled(sqInt regArg1, sqInt
>> regArg2OrNone, sqInt regArg3OrNone, sqInt forCall, char
>> *trampolineName))(void)
>>
>>  {
>> +    AbstractInstruction *anInstruction;
>>      sqInt endAddress;
>>      sqInt enilopmart;
>> +    sqInt quickConstant;
>>      sqInt size;
>>
>>         zeroOpcodeIndex();
>> -       /* begin maybeEstablishVarBase */
>> -       ((AbstractInstruction *) backEnd);
>>         genLoadStackPointers(backEnd);
>>         if (regArg3OrNone != NoReg) {
>>                 /* begin PopR: */
>> @@ -9294,9 +9293,11 @@
>>      AbstractInstruction *anInstruction1;
>>      AbstractInstruction *anInstruction2;
>>      AbstractInstruction *anInstruction3;
>> +    AbstractInstruction *anInstruction4;
>>      sqInt fixupSize;
>>      sqInt opcodeSize;
>>      sqInt quickConstant;
>> +    sqInt quickConstant1;
>>      sqInt startAddress;
>>
>>         /* begin allocateOpcodes:bytecodes: */
>> @@ -9308,16 +9309,14 @@
>>         fixups = ((void *)((((usqInt)abstractOpcodes)) + opcodeSize));
>>         zeroOpcodeIndex();
>>         labelCounter = 0;
>> +
>> +       /* Must happen first; value may be used in accessing any of the
>> following addresses */
>>         startAddress = methodZoneBase;
>> -       /* begin maybeSaveVarBase */
>> -       ((AbstractInstruction *) backEnd);
>> -       /* begin maybeEstablishVarBase */
>> -       ((AbstractInstruction *) backEnd);
>>         if (captureFramePointer) {
>>                 /* begin MoveR:Aw: */
>>                 address = cFramePointerAddress();
>>                 /* begin gen:operand:literal: */
>> -               anInstruction1 = genoperandoperand(MoveRAw, FPReg,
>> address);
>> +               anInstruction2 = genoperandoperand(MoveRAw, FPReg,
>> address);
>>         }
>>         /* begin MoveR:R: */
>>         genoperandoperand(MoveRR, SPReg, TempReg);
>> @@ -9326,12 +9325,10 @@
>>         /* begin gen:quickConstant:operand: */
>>         anInstruction = genoperandoperand(AddCqR, quickConstant, TempReg);
>>         /* begin MoveR:Aw: */
>> -       address2 = cStackPointerAddress();
>> +       address1 = cStackPointerAddress();
>>         /* begin gen:operand:literal: */
>> -       anInstruction3 = genoperandoperand(MoveRAw, TempReg, address2);
>> +       anInstruction3 = genoperandoperand(MoveRAw, TempReg, address1);
>>
>> -       /* begin maybeRestoreVarBase */
>> -       ((AbstractInstruction *) backEnd);
>>         /* begin RetN: */
>>         genoperand(RetN, 0);
>>         outputInstructionsForGeneratedRuntimeAt(startAddress);
>> @@ -9554,12 +9551,12 @@
>>  generateMapAtstart(sqInt addressOrNull, sqInt startAddress)
>>  {
>>      unsigned char annotation;
>> -    usqInt delta;
>> +    sqInt delta;
>>      sqInt i;
>>      AbstractInstruction *instruction;
>>      sqInt length;
>> -    usqInt location;
>> -    usqInt mapEntry;
>> +    sqInt location;
>> +    sqInt mapEntry;
>>      sqInt maxDelta;
>>      usqInt mcpc;
>>
>> @@ -10912,7 +10909,8 @@
>>                 literal = literalBeforeFollowingAddress(backEnd, mcpc);
>>                 mappedLiteral = remapObject(literal);
>>                 if (mappedLiteral != literal) {
>> -                       storeLiteralbeforeFollowingAddress(backEnd,
>> mappedLiteral, mcpc);
>> +                       /* begin storeLiteral:atAnnotatedAddress:using: */
>> +
>>  storeLiteralbeforeFollowingAddress(((AbstractInstruction *) backEnd),
>> mappedLiteral, mcpc);
>>                         codeModified = 1;
>>                 }
>>         }
>> @@ -12624,7 +12622,8 @@
>>                 if (couldBeObject(literal)) {
>>                         mappedLiteral = remapObject(literal);
>>                         if (literal != mappedLiteral) {
>> -
>>  storeLiteralbeforeFollowingAddress(backEnd, mappedLiteral, ((usqInt)mcpc));
>> +                               /* begin
>> storeLiteral:atAnnotatedAddress:using: */
>> +
>>  storeLiteralbeforeFollowingAddress(((AbstractInstruction *) backEnd),
>> mappedLiteral, ((usqInt)mcpc));
>>                                 codeModified = 1;
>>                         }
>>                         if ((hasYoungPtr != 0)
>> @@ -14594,7 +14593,7 @@
>>
>>         /* FP jumps are a little weird */
>>         jumpCond = jumpOpcodeGenerator(0);
>> -       /* begin genMoveFalseR: */
>> +       /* begin genMoveConstant:R: */
>>         constant = falseObject();
>>         if (shouldAnnotateObjectReference(constant)) {
>>                 annotateobjRef(gMoveCwR(constant, ReceiverResultReg),
>> constant);
>> @@ -14607,7 +14606,7 @@
>>         assert(methodOrBlockNumArgs <= (numRegArgs()));
>>         /* begin RetN: */
>>         genoperand(RetN, 0);
>> -       jmpTarget(jumpCond, genMoveConstantR(trueObject(),
>> ReceiverResultReg));
>> +       jmpTarget(jumpCond, genMoveTrueR(ReceiverResultReg));
>>         /* begin genPrimReturn */
>>         assert(methodOrBlockNumArgs <= (numRegArgs()));
>>         /* begin RetN: */
>> @@ -15378,7 +15377,7 @@
>>         /* begin CmpR:R: */
>>         genoperandoperand(CmpRR, Arg0Reg, ReceiverResultReg);
>>         jumpTrue = genConditionalBranchoperand(jumpOpcode, 0);
>> -       /* begin genMoveFalseR: */
>> +       /* begin genMoveConstant:R: */
>>         constant = falseObject();
>>         if (shouldAnnotateObjectReference(constant)) {
>>                 annotateobjRef(gMoveCwR(constant, ReceiverResultReg),
>> constant);
>> @@ -15391,7 +15390,7 @@
>>         assert(methodOrBlockNumArgs <= (numRegArgs()));
>>         /* begin RetN: */
>>         genoperand(RetN, 0);
>> -       jmpTarget(jumpTrue, genMoveConstantR(trueObject(),
>> ReceiverResultReg));
>> +       jmpTarget(jumpTrue, genMoveTrueR(ReceiverResultReg));
>>         /* begin genPrimReturn */
>>         assert(methodOrBlockNumArgs <= (numRegArgs()));
>>         /* begin RetN: */
>> @@ -15446,7 +15445,7 @@
>>
>>         /* FP jumps are a little weird */
>>         jumpCond = jumpFPOpcodeGenerator(0);
>> -       /* begin genMoveFalseR: */
>> +       /* begin genMoveConstant:R: */
>>         constant = falseObject();
>>         if (shouldAnnotateObjectReference(constant)) {
>>                 annotateobjRef(gMoveCwR(constant, ReceiverResultReg),
>> constant);
>> @@ -15459,7 +15458,7 @@
>>         assert(methodOrBlockNumArgs <= (numRegArgs()));
>>         /* begin RetN: */
>>         genoperand(RetN, 0);
>> -       jmpTarget(jumpCond, genMoveConstantR(trueObject(),
>> ReceiverResultReg));
>> +       jmpTarget(jumpCond, genMoveTrueR(ReceiverResultReg));
>>         /* begin genPrimReturn */
>>         assert(methodOrBlockNumArgs <= (numRegArgs()));
>>         /* begin RetN: */
>> @@ -18558,7 +18557,7 @@
>>                 /* begin JumpNonZero: */
>>                 jumpCmp = genConditionalBranchoperand(JumpNonZero,
>> ((sqInt)0));
>>         }
>> -       /* begin genMoveConstant:R: */
>> +       /* begin genMoveTrueR: */
>>         constant = trueObject();
>>         if (shouldAnnotateObjectReference(constant)) {
>>                 annotateobjRef(gMoveCwR(constant, ReceiverResultReg),
>> constant);
>> @@ -18571,7 +18570,7 @@
>>         assert(methodOrBlockNumArgs <= (numRegArgs()));
>>         /* begin RetN: */
>>         genoperand(RetN, 0);
>> -       jmpTarget(jumpCmp, genMoveFalseR(ReceiverResultReg));
>> +       jmpTarget(jumpCmp, genMoveConstantR(falseObject(),
>> ReceiverResultReg));
>>         /* begin genPrimReturn */
>>         assert(methodOrBlockNumArgs <= (numRegArgs()));
>>         /* begin RetN: */
>> @@ -20772,24 +20771,8 @@
>>                         anInstruction));
>>  }
>>
>> -       /* SimpleStackBasedCogit>>#genMoveFalseR: */
>> -static AbstractInstruction * NoDbgRegParms
>> -genMoveFalseR(sqInt reg)
>> -{
>> -    AbstractInstruction *anInstruction;
>> -    sqInt constant;
>> -
>> -       /* begin genMoveConstant:R: */
>> -       constant = falseObject();
>> -       return (shouldAnnotateObjectReference(constant)
>> -               ? annotateobjRef(gMoveCwR(constant, reg), constant)
>> -               : (/* begin MoveCq:R: */
>> -                       (anInstruction = genoperandoperand(MoveCqR,
>> constant, reg)),
>> -                       anInstruction));
>> -}
>> -
>>         /* SimpleStackBasedCogit>>#genMoveTrueR: */
>> -static sqInt NoDbgRegParms
>> +static AbstractInstruction * NoDbgRegParms
>>  genMoveTrueR(sqInt reg)
>>  {
>>      AbstractInstruction *anInstruction;
>> @@ -20846,6 +20829,7 @@
>>      AbstractInstruction *anInstruction15;
>>      AbstractInstruction *anInstruction16;
>>      AbstractInstruction *anInstruction17;
>> +    AbstractInstruction *anInstruction18;
>>      AbstractInstruction *anInstruction2;
>>      AbstractInstruction *anInstruction3;
>>      AbstractInstruction *anInstruction4;
>> @@ -20858,11 +20842,10 @@
>>      AbstractInstruction *continuePostSample;
>>      AbstractInstruction *jmpFail;
>>      AbstractInstruction *jmpSample;
>> +    sqInt quickConstant;
>>      sqInt reg;
>>
>>         zeroOpcodeIndex();
>> -       /* begin maybeEstablishVarBase */
>> -       ((AbstractInstruction *) backEnd);
>>         if (profiling) {
>>
>>                 /* Test nextProfileTick for being non-zero and call
>> checkProfileTick: if so.
>> @@ -20870,11 +20853,11 @@
>>                 /* begin MoveAw:R: */
>>                 address = nextProfileTickAddress();
>>                 /* begin gen:literal:operand: */
>> -               anInstruction = genoperandoperand(MoveAwR, address,
>> TempReg);
>> +               anInstruction1 = genoperandoperand(MoveAwR, address,
>> TempReg);
>>                 /* begin MoveAw:R: */
>>                 address1 = (nextProfileTickAddress()) + BytesPerWord;
>>                 /* begin gen:literal:operand: */
>> -               anInstruction1 = genoperandoperand(MoveAwR, address1,
>> ClassReg);
>> +               anInstruction2 = genoperandoperand(MoveAwR, address1,
>> ClassReg);
>>                 /* begin OrR:R: */
>>                 genoperandoperand(OrRR, TempReg, ClassReg);
>>
>> @@ -20887,21 +20870,21 @@
>>         /* begin MoveAw:R: */
>>         address6 = primFailCodeAddress();
>>         /* begin gen:literal:operand: */
>> -       anInstruction12 = genoperandoperand(MoveAwR, address6, TempReg);
>> +       anInstruction13 = genoperandoperand(MoveAwR, address6, TempReg);
>>         flag("ask concrete code gen if move sets condition codes?");
>>         /* begin CmpCq:R: */
>> -       anInstruction13 = genoperandoperand(CmpCqR, 0, TempReg);
>> +       anInstruction14 = genoperandoperand(CmpCqR, 0, TempReg);
>>         /* begin JumpNonZero: */
>>         jmpFail = genConditionalBranchoperand(JumpNonZero, ((sqInt)0));
>>         /* begin MoveAw:R: */
>>         address5 = instructionPointerAddress();
>>         /* begin gen:literal:operand: */
>> -       anInstruction7 = genoperandoperand(MoveAwR, address5, ClassReg);
>> +       anInstruction8 = genoperandoperand(MoveAwR, address5, ClassReg);
>>         genLoadStackPointers(backEnd);
>>         /* begin MoveMw:r:R: */
>> -       anInstruction8 = genoperandoperandoperand(MoveMwrR, 0, SPReg,
>> ReceiverResultReg);
>> +       anInstruction9 = genoperandoperandoperand(MoveMwrR, 0, SPReg,
>> ReceiverResultReg);
>>         /* begin MoveR:Mw:r: */
>> -       anInstruction9 = genoperandoperandoperand(MoveRMwr, ClassReg, 0,
>> SPReg);
>> +       anInstruction10 = genoperandoperandoperand(MoveRMwr, ClassReg, 0,
>> SPReg);
>>         /* begin RetN: */
>>         genoperand(RetN, 0);
>>
>> @@ -20909,16 +20892,16 @@
>>         /* begin MoveAw:R: */
>>         address7 = cStackPointerAddress();
>>         /* begin gen:literal:operand: */
>> -       anInstruction14 = genoperandoperand(MoveAwR, address7, SPReg);
>> +       anInstruction15 = genoperandoperand(MoveAwR, address7, SPReg);
>>
>> compileCallFornumArgsargargargargresultRegsaveRegs(ceActivateFailingPrimitiveMethod,
>> 1, SendNumArgsReg, null, null, null, NoReg, 0);
>>         /* begin MoveAw:R: */
>>         address8 = instructionPointerAddress();
>>         reg = ClassReg;
>>         /* begin gen:literal:operand: */
>> -       anInstruction15 = genoperandoperand(MoveAwR, address8, reg);
>> +       anInstruction16 = genoperandoperand(MoveAwR, address8, reg);
>>         genLoadStackPointers(backEnd);
>>         /* begin MoveMw:r:R: */
>> -       anInstruction11 = genoperandoperandoperand(MoveMwrR,
>> BytesPerWord, SPReg, ReceiverResultReg);
>> +       anInstruction12 = genoperandoperandoperand(MoveMwrR,
>> BytesPerWord, SPReg, ReceiverResultReg);
>>         /* begin PushR: */
>>         genoperand(PushR, ClassReg);
>>
>> @@ -20932,8 +20915,8 @@
>>                 /* begin CallFullRT: */
>>                 callTarget = (unsigned long)ceCheckProfileTick;
>>                 /* begin annotateCall: */
>> -               anInstruction17 = genoperand(CallFull, callTarget);
>> -               abstractInstruction = anInstruction17;
>> +               anInstruction18 = genoperand(CallFull, callTarget);
>> +               abstractInstruction = anInstruction18;
>>                 (abstractInstruction->annotation = IsRelativeCall);
>>
>>
>> @@ -22805,14 +22788,14 @@
>>  static void (*genCallPICEnilopmartNumArgs(sqInt numArgs))(void)
>>
>>  {
>> +    AbstractInstruction *anInstruction;
>>      sqInt endAddress;
>>      sqInt enilopmart;
>> +    sqInt quickConstant;
>>      sqInt reg;
>>      sqInt size;
>>
>>         zeroOpcodeIndex();
>> -       /* begin maybeEstablishVarBase */
>> -       ((AbstractInstruction *) backEnd);
>>         genLoadStackPointers(backEnd);
>>         /* begin PopR: */
>>         genoperand(PopR, ClassReg);
>>
>> Modified: branches/Cog/nsspursrc/vm/cogitMIPSEL.c
>> ===================================================================
>> --- branches/Cog/nsspursrc/vm/cogitMIPSEL.c     2016-01-10 21:49:21 UTC
>> (rev 3552)
>> +++ branches/Cog/nsspursrc/vm/cogitMIPSEL.c     2016-01-10 22:51:42 UTC
>> (rev 3553)
>> @@ -1,9 +1,9 @@
>>  /* Automatically generated by
>> -       CCodeGenerator VMMaker.oscog-eem.1629 uuid:
>> e706b773-41e5-482b-aa41-bacdf83d47e7
>> +       CCodeGenerator VMMaker.oscog-eem.1630 uuid:
>> 2ed025ea-f400-4440-8e8b-5aa46d06c9ab
>>     from
>> -       StackToRegisterMappingCogit VMMaker.oscog-eem.1629 uuid:
>> e706b773-41e5-482b-aa41-bacdf83d47e7
>> +       StackToRegisterMappingCogit VMMaker.oscog-eem.1630 uuid:
>> 2ed025ea-f400-4440-8e8b-5aa46d06c9ab
>>   */
>> -static char __buildInfo[] = "StackToRegisterMappingCogit
>> VMMaker.oscog-eem.1629 uuid: e706b773-41e5-482b-aa41-bacdf83d47e7 "
>> __DATE__ ;
>> +static char __buildInfo[] = "StackToRegisterMappingCogit
>> VMMaker.oscog-eem.1630 uuid: 2ed025ea-f400-4440-8e8b-5aa46d06c9ab "
>> __DATE__ ;
>>  char *__cogitBuildInfo = __buildInfo;
>>
>>
>> @@ -756,11 +756,11 @@
>>  static sqInt NoDbgRegParms computeMaximumSize(AbstractInstruction *
>> self_in_computeMaximumSize);
>>  static usqInt NoDbgRegParms
>> concretizeAddCheckOverflowCqR(AbstractInstruction *
>> self_in_concretizeAddCheckOverflowCqR);
>>  static usqInt NoDbgRegParms
>> concretizeAddCheckOverflowRR(AbstractInstruction *
>> self_in_concretizeAddCheckOverflowRR);
>> -static usqInt NoDbgRegParms concretizeAddCqR(AbstractInstruction *
>> self_in_concretizeAddCqR);
>> +static sqInt NoDbgRegParms concretizeAddCqR(AbstractInstruction *
>> self_in_concretizeAddCqR);
>>  static usqInt NoDbgRegParms concretizeAddCwR(AbstractInstruction *
>> self_in_concretizeAddCwR);
>>  static usqInt NoDbgRegParms concretizeAddRR(AbstractInstruction *
>> self_in_concretizeAddRR);
>>  static AbstractInstruction * NoDbgRegParms
>> concretizeAlignmentNops(AbstractInstruction *
>> self_in_concretizeAlignmentNops);
>> -static usqInt NoDbgRegParms concretizeAndCqR(AbstractInstruction *
>> self_in_concretizeAndCqR);
>> +static sqInt NoDbgRegParms concretizeAndCqR(AbstractInstruction *
>> self_in_concretizeAndCqR);
>>  static usqInt NoDbgRegParms concretizeAndCqRR(AbstractInstruction *
>> self_in_concretizeAndCqRR);
>>  static usqInt NoDbgRegParms concretizeAndCwR(AbstractInstruction *
>> self_in_concretizeAndCwR);
>>  static usqInt NoDbgRegParms concretizeAndRR(AbstractInstruction *
>> self_in_concretizeAndRR);
>> @@ -779,7 +779,7 @@
>>  static usqInt NoDbgRegParms
>> concretizeBrUnsignedGreaterRR(AbstractInstruction *
>> self_in_concretizeBrUnsignedGreaterRR);
>>  static usqInt NoDbgRegParms
>> concretizeBrUnsignedLessEqualRR(AbstractInstruction *
>> self_in_concretizeBrUnsignedLessEqualRR);
>>  static usqInt NoDbgRegParms
>> concretizeBrUnsignedLessRR(AbstractInstruction *
>> self_in_concretizeBrUnsignedLessRR);
>> -static usqInt NoDbgRegParms concretizeCall(AbstractInstruction *
>> self_in_concretizeCall);
>> +static sqInt NoDbgRegParms concretizeCall(AbstractInstruction *
>> self_in_concretizeCall);
>>  static usqInt NoDbgRegParms concretizeCallFull(AbstractInstruction *
>> self_in_concretizeCallFull);
>>  static sqInt NoDbgRegParms concretizeCmpCqR(AbstractInstruction *
>> self_in_concretizeCmpCqR);
>>  static sqInt NoDbgRegParms concretizeCmpCwR(AbstractInstruction *
>> self_in_concretizeCmpCwR);
>> @@ -829,12 +829,12 @@
>>  static usqInt NoDbgRegParms
>> concretizeMulCheckOverflowRR(AbstractInstruction *
>> self_in_concretizeMulCheckOverflowRR);
>>  static usqInt NoDbgRegParms concretizeNegateR(AbstractInstruction *
>> self_in_concretizeNegateR);
>>  static usqInt NoDbgRegParms concretizeNop(AbstractInstruction *
>> self_in_concretizeNop);
>> -static usqInt NoDbgRegParms concretizeOrCqR(AbstractInstruction *
>> self_in_concretizeOrCqR);
>> +static sqInt NoDbgRegParms concretizeOrCqR(AbstractInstruction *
>> self_in_concretizeOrCqR);
>>  static usqInt NoDbgRegParms concretizeOrCwR(AbstractInstruction *
>> self_in_concretizeOrCwR);
>>  static usqInt NoDbgRegParms concretizeOrRR(AbstractInstruction *
>> self_in_concretizeOrRR);
>>  static usqInt NoDbgRegParms concretizePopR(AbstractInstruction *
>> self_in_concretizePopR);
>>  static usqInt NoDbgRegParms concretizePrefetchAw(AbstractInstruction *
>> self_in_concretizePrefetchAw);
>> -static usqInt NoDbgRegParms concretizePushCq(AbstractInstruction *
>> self_in_concretizePushCq);
>> +static sqInt NoDbgRegParms concretizePushCq(AbstractInstruction *
>> self_in_concretizePushCq);
>>  static usqInt NoDbgRegParms concretizePushCw(AbstractInstruction *
>> self_in_concretizePushCw);
>>  static usqInt NoDbgRegParms concretizePushR(AbstractInstruction *
>> self_in_concretizePushR);
>>  static usqInt NoDbgRegParms concretizeRetN(AbstractInstruction *
>> self_in_concretizeRetN);
>> @@ -1037,7 +1037,7 @@
>>  static sqInt NoDbgRegParms genGetClassIndexOfNonImminto(sqInt sourceReg,
>> sqInt destReg);
>>  static sqInt NoDbgRegParms
>> genGetClassObjectOfClassIndexintoscratchReg(sqInt instReg, sqInt destReg,
>> sqInt scratchReg);
>>  static sqInt NoDbgRegParms
>> genGetClassObjectOfintoscratchReginstRegIsReceiver(sqInt instReg, sqInt
>> destReg, sqInt scratchReg, sqInt instRegIsReceiver);
>> -static sqInt NoDbgRegParms genGetClassTagOfintoscratchReg(sqInt instReg,
>> sqInt destReg, sqInt scratchReg);
>> +static AbstractInstruction * NoDbgRegParms
>> genGetClassTagOfintoscratchReg(sqInt instReg, sqInt destReg, sqInt
>> scratchReg);
>>  static sqInt NoDbgRegParms genGetCompactClassIndexNonImmOfinto(sqInt
>> instReg, sqInt destReg);
>>  static sqInt NoDbgRegParms genGetDoubleValueOfinto(sqInt srcReg, sqInt
>> destFPReg);
>>  static sqInt NoDbgRegParms genGetFormatOfinto(sqInt srcReg, sqInt
>> destReg);
>> @@ -4843,7 +4843,7 @@
>>  {
>>      sqInt classTag;
>>      usqInt classTagPC;
>> -    usqInt entryPoint;
>> +    sqInt entryPoint;
>>      sqInt errors;
>>      sqInt i;
>>      usqInt methodObjPC;
>> @@ -5337,13 +5337,18 @@
>>  static void (*genEnilopmartForandandforCallcalled(sqInt regArg1, sqInt
>> regArg2OrNone, sqInt regArg3OrNone, sqInt forCall, char
>> *trampolineName))(void)
>>
>>  {
>> +    AbstractInstruction *anInstruction;
>>      sqInt endAddress;
>>      sqInt enilopmart;
>> +    sqInt quickConstant;
>>      sqInt size;
>>
>>         zeroOpcodeIndex();
>> -       /* begin maybeEstablishVarBase */
>> -       ((AbstractInstruction *) backEnd);
>> +       /* begin MoveCq:R: */
>> +       quickConstant = varBaseAddress();
>> +       /* begin gen:quickConstant:operand: */
>> +       anInstruction = genoperandoperand(MoveCqR, quickConstant,
>> VarBaseReg);
>> +
>>         genLoadStackPointers(backEnd);
>>         if (regArg3OrNone != NoReg) {
>>                 /* begin PopR: */
>> @@ -5433,8 +5438,11 @@
>>      AbstractInstruction *anInstruction1;
>>      AbstractInstruction *anInstruction2;
>>      AbstractInstruction *anInstruction3;
>> +    AbstractInstruction *anInstruction4;
>>      sqInt fixupSize;
>>      sqInt opcodeSize;
>> +    sqInt quickConstant;
>> +    sqInt quickConstant1;
>>      sqInt startAddress;
>>
>>         /* begin allocateOpcodes:bytecodes: */
>> @@ -5446,24 +5454,36 @@
>>         fixups = ((void *)((((usqInt)abstractOpcodes)) + opcodeSize));
>>         zeroOpcodeIndex();
>>         labelCounter = 0;
>> +
>> +       /* Must happen first; value may be used in accessing any of the
>> following addresses */
>>         startAddress = methodZoneBase;
>> -       /* begin maybeSaveVarBase */
>> -       ((AbstractInstruction *) backEnd);
>> -       /* begin maybeEstablishVarBase */
>> -       ((AbstractInstruction *) backEnd);
>> +       /* begin PushR: */
>> +       genoperand(PushR, VarBaseReg);
>> +       /* begin MoveCq:R: */
>> +       quickConstant1 = varBaseAddress();
>> +       /* begin gen:quickConstant:operand: */
>> +       anInstruction1 = genoperandoperand(MoveCqR, quickConstant1,
>> VarBaseReg);
>> +
>>         if (captureFramePointer) {
>>                 /* begin MoveR:Aw: */
>>                 address = cFramePointerAddress();
>>                 /* begin gen:operand:literal: */
>> -               anInstruction1 = genoperandoperand(MoveRAw, FPReg,
>> address);
>> +               anInstruction2 = genoperandoperand(MoveRAw, FPReg,
>> address);
>>         }
>> +       /* begin MoveR:R: */
>> +       genoperandoperand(MoveRR, SPReg, TempReg);
>> +       /* begin AddCq:R: */
>> +       quickConstant = 0 + BytesPerWord;
>> +       /* begin gen:quickConstant:operand: */
>> +       anInstruction = genoperandoperand(AddCqR, quickConstant, TempReg);
>>         /* begin MoveR:Aw: */
>>         address1 = cStackPointerAddress();
>>         /* begin gen:operand:literal: */
>> -       anInstruction2 = genoperandoperand(MoveRAw, SPReg, address1);
>> +       anInstruction3 = genoperandoperand(MoveRAw, TempReg, address1);
>>
>> -       /* begin maybeRestoreVarBase */
>> -       ((AbstractInstruction *) backEnd);
>> +       /* begin PopR: */
>> +       genoperand(PopR, VarBaseReg);
>> +
>>         /* begin RetN: */
>>         genoperand(RetN, 0);
>>         outputInstructionsForGeneratedRuntimeAt(startAddress);
>> @@ -5686,12 +5706,12 @@
>>  generateMapAtstart(sqInt addressOrNull, sqInt startAddress)
>>  {
>>      unsigned char annotation;
>> -    usqInt delta;
>> +    sqInt delta;
>>      sqInt i;
>>      AbstractInstruction *instruction;
>>      sqInt length;
>> -    usqInt location;
>> -    usqInt mapEntry;
>> +    sqInt location;
>> +    sqInt mapEntry;
>>      sqInt maxDelta;
>>      usqInt mcpc;
>>
>> @@ -10942,7 +10962,7 @@
>>  }
>>
>>         /* CogMIPSELCompiler>>#concretizeAddCqR */
>> -static usqInt NoDbgRegParms
>> +static sqInt NoDbgRegParms
>>  concretizeAddCqR(AbstractInstruction * self_in_concretizeAddCqR)
>>  {
>>      sqInt aWord;
>> @@ -11018,7 +11038,7 @@
>>  }
>>
>>         /* CogMIPSELCompiler>>#concretizeAndCqR */
>> -static usqInt NoDbgRegParms
>> +static sqInt NoDbgRegParms
>>  concretizeAndCqR(AbstractInstruction * self_in_concretizeAndCqR)
>>  {
>>      sqInt aWord;
>> @@ -11596,7 +11616,7 @@
>>         the method zone. */
>>
>>         /* CogMIPSELCompiler>>#concretizeCall */
>> -static usqInt NoDbgRegParms
>> +static sqInt NoDbgRegParms
>>  concretizeCall(AbstractInstruction * self_in_concretizeCall)
>>  {
>>         return concretizeCallFull(self_in_concretizeCall);
>> @@ -12465,7 +12485,7 @@
>>  }
>>
>>         /* CogMIPSELCompiler>>#concretizeOrCqR */
>> -static usqInt NoDbgRegParms
>> +static sqInt NoDbgRegParms
>>  concretizeOrCqR(AbstractInstruction * self_in_concretizeOrCqR)
>>  {
>>      sqInt aWord;
>> @@ -12567,7 +12587,7 @@
>>  }
>>
>>         /* CogMIPSELCompiler>>#concretizePushCq */
>> -static usqInt NoDbgRegParms
>> +static sqInt NoDbgRegParms
>>  concretizePushCq(AbstractInstruction * self_in_concretizePushCq)
>>  {
>>         return concretizePushCw(self_in_concretizePushCq);
>> @@ -15497,6 +15517,7 @@
>>         jumpNotSI = genJumpNotSmallInteger(Arg0Reg);
>>         genShiftAwaySmallIntegerTagsInScratchReg(ClassReg);
>>         genRemoveSmallIntegerTagsInScratchReg(Arg1Reg);
>> +       /* begin MulR:R: */
>>         genMulRR(backEnd, Arg1Reg, ClassReg);
>>         /* begin JumpOverflow: */
>>         jumpOvfl = genConditionalBranchoperand(JumpOverflow, ((sqInt)0));
>> @@ -18353,7 +18374,7 @@
>>  }
>>
>>         /*
>> CogObjectRepresentationForSpur>>#genGetClassTagOf:into:scratchReg: */
>> -static sqInt NoDbgRegParms
>> +static AbstractInstruction * NoDbgRegParms
>>  genGetClassTagOfintoscratchReg(sqInt instReg, sqInt destReg, sqInt
>> scratchReg)
>>  {
>>         return genGetInlineCacheClassTagFromintoforEntry(instReg,
>> destReg, 1);
>> @@ -21024,6 +21045,7 @@
>>      AbstractInstruction *anInstruction15;
>>      AbstractInstruction *anInstruction16;
>>      AbstractInstruction *anInstruction17;
>> +    AbstractInstruction *anInstruction18;
>>      AbstractInstruction *anInstruction2;
>>      AbstractInstruction *anInstruction3;
>>      AbstractInstruction *anInstruction4;
>> @@ -21037,11 +21059,15 @@
>>      AbstractInstruction * inst;
>>      AbstractInstruction *jmpFail;
>>      AbstractInstruction *jmpSample;
>> +    sqInt quickConstant;
>>      sqInt reg;
>>
>>         zeroOpcodeIndex();
>> -       /* begin maybeEstablishVarBase */
>> -       ((AbstractInstruction *) backEnd);
>> +       /* begin MoveCq:R: */
>> +       quickConstant = varBaseAddress();
>> +       /* begin gen:quickConstant:operand: */
>> +       anInstruction = genoperandoperand(MoveCqR, quickConstant,
>> VarBaseReg);
>> +
>>         if (profiling) {
>>
>>                 /* Test nextProfileTick for being non-zero and call
>> checkProfileTick: if so.
>> @@ -21049,11 +21075,11 @@
>>                 /* begin MoveAw:R: */
>>                 address = nextProfileTickAddress();
>>                 /* begin gen:literal:operand: */
>> -               anInstruction = genoperandoperand(MoveAwR, address,
>> TempReg);
>> +               anInstruction1 = genoperandoperand(MoveAwR, address,
>> TempReg);
>>                 /* begin MoveAw:R: */
>>                 address1 = (nextProfileTickAddress()) + BytesPerWord;
>>                 /* begin gen:literal:operand: */
>> -               anInstruction1 = genoperandoperand(MoveAwR, address1,
>> ClassReg);
>> +               anInstruction2 = genoperandoperand(MoveAwR, address1,
>> ClassReg);
>>                 /* begin OrR:R: */
>>                 genoperandoperand(OrRR, TempReg, ClassReg);
>>
>> @@ -21066,19 +21092,19 @@
>>         /* begin MoveAw:R: */
>>         address6 = primFailCodeAddress();
>>         /* begin gen:literal:operand: */
>> -       anInstruction12 = genoperandoperand(MoveAwR, address6, TempReg);
>> +       anInstruction13 = genoperandoperand(MoveAwR, address6, TempReg);
>>         flag("ask concrete code gen if move sets condition codes?");
>>         /* begin CmpCq:R: */
>> -       anInstruction13 = genoperandoperand(CmpCqR, 0, TempReg);
>> +       anInstruction14 = genoperandoperand(CmpCqR, 0, TempReg);
>>         /* begin JumpNonZero: */
>>         jmpFail = genConditionalBranchoperand(JumpNonZero, ((sqInt)0));
>>         genLoadStackPointers(backEnd);
>>         /* begin MoveMw:r:R: */
>> -       anInstruction5 = genoperandoperandoperand(MoveMwrR, 0, SPReg,
>> ReceiverResultReg);
>> +       anInstruction6 = genoperandoperandoperand(MoveMwrR, 0, SPReg,
>> ReceiverResultReg);
>>         /* begin MoveAw:R: */
>>         address4 = instructionPointerAddress();
>>         /* begin gen:literal:operand: */
>> -       anInstruction6 = genoperandoperand(MoveAwR, address4, LinkReg);
>> +       anInstruction7 = genoperandoperand(MoveAwR, address4, LinkReg);
>>         /* begin RetN: */
>>         genoperand(RetN, BytesPerWord);
>>
>> @@ -21087,16 +21113,16 @@
>>         /* begin MoveAw:R: */
>>         address7 = cStackPointerAddress();
>>         /* begin gen:literal:operand: */
>> -       anInstruction14 = genoperandoperand(MoveAwR, address7, SPReg);
>> +       anInstruction15 = genoperandoperand(MoveAwR, address7, SPReg);
>>
>> compileCallFornumArgsargargargargresultRegsaveRegs(ceActivateFailingPrimitiveMethod,
>> 1, SendNumArgsReg, null, null, null, NoReg, 0);
>>         /* begin MoveAw:R: */
>>         address8 = instructionPointerAddress();
>>         reg = LinkReg;
>>         /* begin gen:literal:operand: */
>> -       anInstruction15 = genoperandoperand(MoveAwR, address8, reg);
>> +       anInstruction16 = genoperandoperand(MoveAwR, address8, reg);
>>         genLoadStackPointers(backEnd);
>>         /* begin MoveMw:r:R: */
>> -       anInstruction10 = genoperandoperandoperand(MoveMwrR, 0, SPReg,
>> ReceiverResultReg);
>> +       anInstruction11 = genoperandoperandoperand(MoveMwrR, 0, SPReg,
>> ReceiverResultReg);
>>
>>         /* begin RetN: */
>>         genoperand(RetN, BytesPerWord);
>> @@ -21110,7 +21136,7 @@
>>                 /* begin CallFullRT: */
>>                 callTarget = (unsigned long)ceCheckProfileTick;
>>                 /* begin CallFull: */
>> -               anInstruction16 = genoperand(CallFull, callTarget);
>> +               anInstruction17 = genoperand(CallFull, callTarget);
>>
>>
>>                 /* begin PopR: */
>> @@ -22985,14 +23011,19 @@
>>  static void (*genCallPICEnilopmartNumArgs(sqInt numArgs))(void)
>>
>>  {
>> +    AbstractInstruction *anInstruction;
>>      sqInt endAddress;
>>      sqInt enilopmart;
>> +    sqInt quickConstant;
>>      sqInt reg;
>>      sqInt size;
>>
>>         zeroOpcodeIndex();
>> -       /* begin maybeEstablishVarBase */
>> -       ((AbstractInstruction *) backEnd);
>> +       /* begin MoveCq:R: */
>> +       quickConstant = varBaseAddress();
>> +       /* begin gen:quickConstant:operand: */
>> +       anInstruction = genoperandoperand(MoveCqR, quickConstant,
>> VarBaseReg);
>> +
>>         genLoadStackPointers(backEnd);
>>         /* begin PopR: */
>>         genoperand(PopR, ClassReg);
>>
>> Modified: branches/Cog/platforms/Cross/vm/sqCogStackAlignment.h
>> ===================================================================
>> --- branches/Cog/platforms/Cross/vm/sqCogStackAlignment.h
>>  2016-01-10 21:49:21 UTC (rev 3552)
>> +++ branches/Cog/platforms/Cross/vm/sqCogStackAlignment.h
>>  2016-01-10 22:51:42 UTC (rev 3553)
>> @@ -37,8 +37,22 @@
>>   * __m256 is passed on stack) byte boundary. In other words, the value
>>   * (%rsp + 8) is always a multiple of 16 (32) when control is
>> transferred to
>>   * the function entry point.
>> + * However,
>> + * https://developer.apple.com/library/mac/documentation/DeveloperTools/
>> + *
>> Conceptual/LowLevelABI/140-x86-64_Function_Calling_Conventions/x86_64.html
>> + * claims
>> + * "The OS X x86-64 function calling conventions are the same as the
>> function
>> + * calling conventions described in System V Application Binary
>> Interface AMD64
>> + * Architecture Processor Supplement, found at
>> + * http://people.freebsd.org/~obrien/amd64-elf-abi.pdf. See that
>> document for
>> + * details."
>> + * and that document states:
>> + * "The end of the input argument area shall be aligned on a 16 byte
>> boundary.
>> + * In other words, the value (%rsp ? 8) is always a multiple of 16 when
>> control
>> + * is transferred to the function entry point. The stack pointer, %rsp,
>> always
>> + * points to the end of the latest allocated stack frame."
>>   */
>> -# if __APPLE__ && __MACH__ /* i.e. the __m256 regime */
>> +# if __APPLE__ && __MACH__ && 0/* i.e. the __m256 regime */
>>  #      define STACK_ALIGN_BYTES 32
>>  #      define STACK_FP_ALIGNMENT 16 /* aligned sp - retpc - saved fp */
>>  # else
>>
>>
>> Property changes on: branches/Cog/platforms/Cross/vm/sqSCCSVersion.h
>> ___________________________________________________________________
>> Modified: checkindate
>>    - Sun Jan 10 13:47:59 PST 2016
>>    + Sun Jan 10 14:48:56 PST 2016
>>
>> Modified: branches/Cog/spur64src/vm/cogit.h
>> ===================================================================
>> --- branches/Cog/spur64src/vm/cogit.h   2016-01-10 21:49:21 UTC (rev 3552)
>> +++ branches/Cog/spur64src/vm/cogit.h   2016-01-10 22:51:42 UTC (rev 3553)
>> @@ -1,5 +1,5 @@
>>  /* Automatically generated by
>> -       CCodeGenerator VMMaker.oscog-eem.1629 uuid:
>> e706b773-41e5-482b-aa41-bacdf83d47e7
>> +       CCodeGenerator VMMaker.oscog-eem.1630 uuid:
>> 2ed025ea-f400-4440-8e8b-5aa46d06c9ab
>>   */
>>
>>
>>
>> Modified: branches/Cog/spur64src/vm/cogitX64.c
>> ===================================================================
>> --- branches/Cog/spur64src/vm/cogitX64.c        2016-01-10 21:49:21 UTC
>> (rev 3552)
>> +++ branches/Cog/spur64src/vm/cogitX64.c        2016-01-10 22:51:42 UTC
>> (rev 3553)
>> @@ -1,9 +1,9 @@
>>  /* Automatically generated by
>> -       CCodeGenerator VMMaker.oscog-eem.1629 uuid:
>> e706b773-41e5-482b-aa41-bacdf83d47e7
>> +       CCodeGenerator VMMaker.oscog-eem.1630 uuid:
>> 2ed025ea-f400-4440-8e8b-5aa46d06c9ab
>>     from
>> -       StackToRegisterMappingCogit VMMaker.oscog-eem.1629 uuid:
>> e706b773-41e5-482b-aa41-bacdf83d47e7
>> +       StackToRegisterMappingCogit VMMaker.oscog-eem.1630 uuid:
>> 2ed025ea-f400-4440-8e8b-5aa46d06c9ab
>>   */
>> -static char __buildInfo[] = "StackToRegisterMappingCogit
>> VMMaker.oscog-eem.1629 uuid: e706b773-41e5-482b-aa41-bacdf83d47e7 "
>> __DATE__ ;
>> +static char __buildInfo[] = "StackToRegisterMappingCogit
>> VMMaker.oscog-eem.1630 uuid: 2ed025ea-f400-4440-8e8b-5aa46d06c9ab "
>> __DATE__ ;
>>  char *__cogitBuildInfo = __buildInfo;
>>
>>
>> @@ -782,7 +782,7 @@
>>  static sqInt NoDbgRegParms genGetClassIndexOfNonImminto(sqInt sourceReg,
>> sqInt destReg);
>>  static sqInt NoDbgRegParms
>> genGetClassObjectOfClassIndexintoscratchReg(sqInt instReg, sqInt destReg,
>> sqInt scratchReg);
>>  static sqInt NoDbgRegParms
>> genGetClassObjectOfintoscratchReginstRegIsReceiver(sqInt instReg, sqInt
>> destReg, sqInt scratchReg, sqInt instRegIsReceiver);
>> -static sqInt NoDbgRegParms genGetClassTagOfintoscratchReg(sqInt instReg,
>> sqInt destReg, sqInt scratchReg);
>> +static AbstractInstruction * NoDbgRegParms
>> genGetClassTagOfintoscratchReg(sqInt instReg, sqInt destReg, sqInt
>> scratchReg);
>>  static sqInt NoDbgRegParms genGetCompactClassIndexNonImmOfinto(sqInt
>> instReg, sqInt destReg);
>>  static sqInt NoDbgRegParms genGetDoubleValueOfinto(sqInt srcReg, sqInt
>> destFPReg);
>>  static sqInt NoDbgRegParms genGetFormatOfinto(sqInt srcReg, sqInt
>> destReg);
>> @@ -912,6 +912,7 @@
>>  static sqInt genLongUnconditionalForwardJump(void);
>>  static sqInt NoDbgRegParms genLookupForPerformNumArgs(sqInt numArgs);
>>  static AbstractInstruction * NoDbgRegParms genMoveConstantR(sqInt
>> constant, sqInt reg);
>> +static AbstractInstruction * NoDbgRegParms genMoveFalseR(sqInt reg);
>>  static sqInt NoDbgRegParms genMoveTrueR(sqInt reg);
>>  static sqInt NoDbgRegParms genMustBeBooleanTrampolineForcalled(sqInt
>> boolean, char *trampolineName);
>>  static void NoDbgRegParms genPrimReturnEnterCogCodeEnilopmart(sqInt
>> profiling);
>> @@ -5016,11 +5017,11 @@
>>      sqInt size;
>>
>>         zeroOpcodeIndex();
>> -       /* begin maybeEstablishVarBase */
>> +       /* begin MoveCq:R: */
>>         quickConstant = varBaseAddress();
>>         /* begin gen:quickConstant:operand: */
>>         anInstruction = genoperandoperand(MoveCqR, quickConstant,
>> VarBaseReg);
>> -       ((AbstractInstruction *) backEnd);
>> +
>>         genLoadStackPointers(backEnd);
>>         if (regArg3OrNone != NoReg) {
>>                 /* begin PopR: */
>> @@ -5113,35 +5114,36 @@
>>         fixups = ((void *)((((usqInt)abstractOpcodes)) + opcodeSize));
>>         zeroOpcodeIndex();
>>         labelCounter = 0;
>> +
>> +       /* Must happen first; value may be used in accessing any of the
>> following addresses */
>>         startAddress = methodZoneBase;
>> -       /* begin maybeSaveVarBase */
>> +       /* begin PushR: */
>>         genoperand(PushR, VarBaseReg);
>> -       ((AbstractInstruction *) backEnd);
>> -       /* begin maybeEstablishVarBase */
>> +       /* begin MoveCq:R: */
>>         quickConstant1 = varBaseAddress();
>>         /* begin gen:quickConstant:operand: */
>> -       anInstruction4 = genoperandoperand(MoveCqR, quickConstant1,
>> VarBaseReg);
>> -       ((AbstractInstruction *) backEnd);
>> +       anInstruction1 = genoperandoperand(MoveCqR, quickConstant1,
>> VarBaseReg);
>> +
>>         if (captureFramePointer) {
>>                 /* begin MoveR:Aw: */
>>                 address = cFramePointerAddress();
>>                 /* begin gen:operand:literal: */
>> -               anInstruction1 = genoperandoperand(MoveRAw, FPReg,
>> address);
>> +               anInstruction2 = genoperandoperand(MoveRAw, FPReg,
>> address);
>>         }
>>         /* begin MoveR:R: */
>>         genoperandoperand(MoveRR, SPReg, TempReg);
>>         /* begin AddCq:R: */
>> -       quickConstant = leafCallStackPointerDelta(backEnd);
>> +       quickConstant = (leafCallStackPointerDelta(backEnd)) +
>> BytesPerWord;
>>         /* begin gen:quickConstant:operand: */
>>         anInstruction = genoperandoperand(AddCqR, quickConstant, TempReg);
>>         /* begin MoveR:Aw: */
>> -       address2 = cStackPointerAddress();
>> +       address1 = cStackPointerAddress();
>>         /* begin gen:operand:literal: */
>> -       anInstruction3 = genoperandoperand(MoveRAw, TempReg, address2);
>> +       anInstruction3 = genoperandoperand(MoveRAw, TempReg, address1);
>>
>> -       /* begin maybeRestoreVarBase */
>> +       /* begin PopR: */
>>         genoperand(PopR, VarBaseReg);
>> -       ((AbstractInstruction *) backEnd);
>> +
>>         /* begin RetN: */
>>         genoperand(RetN, 0);
>>         outputInstructionsForGeneratedRuntimeAt(startAddress);
>> @@ -6047,6 +6049,8 @@
>>         ((methodLabel->operands))[0] = 0;
>>         ((methodLabel->operands))[1] = 0;
>>         callerSavedRegMask = callerSavedRegisterMask(backEnd);
>> +       assert(((registerMaskFor(VarBaseReg)) & callerSavedRegMask) == 0);
>> +
>>         /* begin allocateLiterals: */
>>         }
>>
>> @@ -9779,7 +9783,7 @@
>>
>>         /* FP jumps are a little weird */
>>         jumpCond = jumpOpcodeGenerator(0);
>> -       /* begin genMoveConstant:R: */
>> +       /* begin genMoveFalseR: */
>>         constant = falseObject();
>>         if (shouldAnnotateObjectReference(constant)) {
>>                 annotateobjRef(gMoveCwR(constant, ReceiverResultReg),
>> constant);
>> @@ -10657,7 +10661,7 @@
>>         /* begin CmpR:R: */
>>         genoperandoperand(CmpRR, Arg0Reg, ReceiverResultReg);
>>         jumpTrue = genConditionalBranchoperand(jumpOpcode, 0);
>> -       /* begin genMoveConstant:R: */
>> +       /* begin genMoveFalseR: */
>>         constant = falseObject();
>>         if (shouldAnnotateObjectReference(constant)) {
>>                 annotateobjRef(gMoveCwR(constant, ReceiverResultReg),
>> constant);
>> @@ -10725,7 +10729,7 @@
>>
>>         /* FP jumps are a little weird */
>>         jumpCond = jumpFPOpcodeGenerator(0);
>> -       /* begin genMoveConstant:R: */
>> +       /* begin genMoveFalseR: */
>>         constant = falseObject();
>>         if (shouldAnnotateObjectReference(constant)) {
>>                 annotateobjRef(gMoveCwR(constant, ReceiverResultReg),
>> constant);
>> @@ -12094,7 +12098,7 @@
>>
>>         /* FP jumps are a little weird */
>>         jumpCond = jumpOpcodeGenerator(0);
>> -       /* begin genMoveConstant:R: */
>> +       /* begin genMoveFalseR: */
>>         constant = falseObject();
>>         if (shouldAnnotateObjectReference(constant)) {
>>                 annotateobjRef(gMoveCwR(constant, ReceiverResultReg),
>> constant);
>> @@ -12950,7 +12954,7 @@
>>  }
>>
>>         /*
>> CogObjectRepresentationForSpur>>#genGetClassTagOf:into:scratchReg: */
>> -static sqInt NoDbgRegParms
>> +static AbstractInstruction * NoDbgRegParms
>>  genGetClassTagOfintoscratchReg(sqInt instReg, sqInt destReg, sqInt
>> scratchReg)
>>  {
>>         return genGetInlineCacheClassTagFromintoforEntry(instReg,
>> destReg, 1);
>> @@ -13332,7 +13336,7 @@
>>         assert(methodOrBlockNumArgs <= (numRegArgs()));
>>         /* begin RetN: */
>>         genoperand(RetN, 0);
>> -       jmpTarget(jumpCmp, genMoveConstantR(falseObject(),
>> ReceiverResultReg));
>> +       jmpTarget(jumpCmp, genMoveFalseR(ReceiverResultReg));
>>         /* begin genPrimReturn */
>>         assert(methodOrBlockNumArgs <= (numRegArgs()));
>>         /* begin RetN: */
>>
>> @@ Diff output truncated at 50000 characters. @@
>>
>
>
>
> --
> _,,,^..^,,,_
> best, Eliot
>
>
>
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