Vm-dev March 2021

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Build failed: opensmalltalk-vm 1.0.2416
by AppVeyor 18 Mar '21

18 Mar '21

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Re: [Vm-dev] Copy Down to avoid Looking Up
by ken.dickey＠whidbey.com 18 Mar '21

18 Mar '21

Jecel, Thanks much for both your thoughtful reply and the paper reference. This latter was the gold I was looking for! Too many Dispatch papers to search through! Good on ya, -KenD ======== > A nice overview of the different ways to compress the class vs selector tables can be found in the ECOOP 95 paper "Message Dispatch on Pipelined Processors" by Karel Driesen, Urs Hölzle and Jan Vitek: > https://www.researchgate.net/publication/221496253_Message_Dispatch_on_Pipe… ========

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[OpenSmalltalk/opensmalltalk-vm] a6fd91: Fix the camera size selection logic in the MacOS C...
by Eliot Miranda 18 Mar '21

18 Mar '21

Branch: refs/heads/Cog Home: https://github.com/OpenSmalltalk/opensmalltalk-vm Commit: a6fd91e98f0d3e51c45a1a66611483abdc4c7156 https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/a6fd91e98f0d3e51c4… Author: Eliot Miranda <eliot.miranda(a)gmail.com> Date: 2021-03-18 (Thu, 18 Mar 2021) Changed paths: M platforms/iOS/plugins/CameraPlugin/AVFoundationVideoGrabber.m Log Message: ----------- Fix the camera size selection logic in the MacOS CameraPlugin.

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Build failed: opensmalltalk-vm 1.0.2415
by AppVeyor 16 Mar '21

16 Mar '21

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[OpenSmalltalk/opensmalltalk-vm] ca9794: CogVM source as per VMMaker.oscog-eem.2948
by Eliot Miranda 16 Mar '21

16 Mar '21

Branch: refs/heads/Cog Home: https://github.com/OpenSmalltalk/opensmalltalk-vm Commit: ca9794e2ffd60fe40292f88fc4ff0114d7591c18 https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/ca9794e2ffd60fe402… Author: Eliot Miranda <eliot.miranda(a)gmail.com> Date: 2021-03-16 (Tue, 16 Mar 2021) Changed paths: M nsspur64src/vm/cointerp.c M nsspur64src/vm/cointerp.h M nsspur64src/vm/gcc3x-cointerp.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 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/cointerp.c M spurlowcode64src/vm/cointerp.h M spurlowcode64src/vm/gcc3x-cointerp.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/cointerp.c M spursista64src/vm/cointerp.h M spursista64src/vm/gcc3x-cointerp.c M spursistasrc/vm/cointerp.c M spursistasrc/vm/cointerp.h M spursistasrc/vm/gcc3x-cointerp.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/vm/cointerp.c M src/vm/cointerp.h M src/vm/gcc3x-cointerp.c M stacksrc/vm/gcc3x-interp.c M stacksrc/vm/interp.c Log Message: ----------- CogVM source as per VMMaker.oscog-eem.2948 ...and primitiveNotIdentical contains the same mistake.

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Build failed: opensmalltalk-vm 1.0.2414
by AppVeyor 16 Mar '21

16 Mar '21

1 0

VM Maker: VMMaker.oscog-eem.2948.mcz
by commits＠source.squeak.org 16 Mar '21

16 Mar '21

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.2948.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.2948 Author: eem Time: 16 March 2021, 1:24:48.66302 pm UUID: 935d1ee7-0e61-47a5-92e2-953224c7ffcf Ancestors: VMMaker.oscog-eem.2947 ...and primitiveNotIdentical contains the same mistake. =============== Diff against VMMaker.oscog-eem.2947 =============== Item was changed: ----- Method: InterpreterPrimitives>>primitiveNotIdentical (in category 'object access primitives') ----- primitiveNotIdentical "is the receiver/first argument not the same object as the (last) argument?. pop argumentCount because this can be used as a mirror primitive." + "is the receiver/first argument the same object as the (last) argument?. + pop argumentCount because this can be used as a mirror primitive." | thisObject otherObject | + thisObject := self stackValue: 1. + otherObject := self stackTop. + ((objectMemory isOopForwarded: otherObject) + or: [argumentCount > 1 + and: [objectMemory isOopForwarded: thisObject]]) + ifTrue: + [self primitiveFailFor: PrimErrBadArgument] + ifFalse: + [self pop: argumentCount + 1 thenPushBool: thisObject ~= otherObject]! - otherObject := self stackValue: 1. - thisObject := self stackTop. - (objectMemory isOopForwarded: otherObject) ifTrue: - [self assert: argumentCount > 1. - otherObject := objectMemory followForwarded: thisObject]. - (objectMemory isOopForwarded: thisObject) ifTrue: - [thisObject := objectMemory followForwarded: thisObject]. - self pop: argumentCount + 1 thenPushBool: thisObject ~= otherObject!

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[OpenSmalltalk/opensmalltalk-vm] 607b87: CogVM source as per VMMaker.oscog-eem.2947
by Eliot Miranda 16 Mar '21

16 Mar '21

Branch: refs/heads/Cog Home: https://github.com/OpenSmalltalk/opensmalltalk-vm Commit: 607b872095dc34d8d8473bb87014feb9c9c25412 https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/607b872095dc34d8d8… Author: Eliot Miranda <eliot.miranda(a)gmail.com> Date: 2021-03-16 (Tue, 16 Mar 2021) Changed paths: M nsspur64src/vm/cointerp.c M nsspur64src/vm/cointerp.h M nsspur64src/vm/gcc3x-cointerp.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 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/cointerp.c M spurlowcode64src/vm/cointerp.h M spurlowcode64src/vm/gcc3x-cointerp.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/cointerp.c M spursista64src/vm/cointerp.h M spursista64src/vm/gcc3x-cointerp.c M spursistasrc/vm/cointerp.c M spursistasrc/vm/cointerp.h M spursistasrc/vm/gcc3x-cointerp.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/vm/cointerp.c M src/vm/cointerp.h M src/vm/gcc3x-cointerp.c M stacksrc/vm/gcc3x-interp.c M stacksrc/vm/interp.c Log Message: ----------- CogVM source as per VMMaker.oscog-eem.2947 Fix a dreadful slip in InterpreterPrimitives>>primitiveIdentical. In the one argument case the old implementation checked the receiver for being forwarded rather than the argument. This means that the interpreter and/or the debugger will answer the wrong value for e.g. ObjectTest testBecomeForward pt3 == pt2.

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VM Maker: VMMaker.oscog-eem.2947.mcz
by commits＠source.squeak.org 16 Mar '21

16 Mar '21

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.2947.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.2947 Author: eem Time: 16 March 2021, 12:55:58.857415 pm UUID: 009d2db3-059e-4852-8a76-567d6ee0e2d2 Ancestors: VMMaker.oscog-eem.2946 Fix a dreadful slip in InterpreterPrimitives>>primitiveIdentical. In the one argument case the old implementation checked the receiver for being forwarded rather than the argument. This means that the interpreter and/or the debugger will answer the wrong value for e.g. ObjectTest testBecomeForward pt3 == pt2. =============== Diff against VMMaker.oscog-eem.2946 =============== Item was changed: ----- Method: InterpreterPrimitives>>primitiveIdentical (in category 'object access primitives') ----- primitiveIdentical "is the receiver/first argument the same object as the (last) argument?. pop argumentCount because this can be used as a mirror primitive." | thisObject otherObject | + thisObject := self stackValue: 1. + otherObject := self stackTop. - otherObject := self stackValue: 1. - thisObject := self stackTop. ((objectMemory isOopForwarded: otherObject) or: [argumentCount > 1 and: [objectMemory isOopForwarded: thisObject]]) ifTrue: [self primitiveFailFor: PrimErrBadArgument] ifFalse: [self pop: argumentCount + 1 thenPushBool: thisObject = otherObject]! Item was changed: ----- Method: StackInterpreterSimulator>>primitiveDoPrimitiveWithArgs (in category 'debugging traps') ----- primitiveDoPrimitiveWithArgs + | primIndex | + primIndex := objectMemory integerValueOf: (self stackValue: 1). + NewspeakVM ifFalse: + [transcript nextPutAll: 'DO PRIMITIVE: '; print: (self functionPointerFor: primIndex inClass: nil); cr; flush]. + (#(110) includes: primIndex) ifTrue: + [self halt]. - NewspeakVM ifFalse: [self halt]. ^super primitiveDoPrimitiveWithArgs!

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Build failed: opensmalltalk-vm 1.0.2413
by AppVeyor 08 Mar '21

08 Mar '21

1 0

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Vm-dev March 2021