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Ti msp430 compiler 4.3.7, are we going backwards ?

Jean michel LECONTE1
Intellectual 470 points

I just got a recent compiler update in my CCS for the TI compiler 4.3.7 which apparently corrects bug in the version 4.4.2 ???

I am a bit lost here ....

  • 0
    TI__Guru* 84285 points
    TI releases compilers on multiple branches at once. The same bug was found and fixed in both 4.3.x and 4.4.x, which both continue to have patch releases.
  • 0 in reply to Archaeologist
    Intellectual 470 points
    Ok I did not realize that there was different branches.
    When I look in my ti directory I have the following compiler versions (directories in tools/compiler/) :

    msp430_4.3.1
    msp430_4.3.2
    msp430_4.3.3
    msp430_4.3.4
    msp430_4.3.5
    msp430_4.3.7
    ti-cgt-msp430_4.4.2
    ti-cgt-msp430_4.4.3

    1) Do I have to conclude that 'cgt' is a different branch of the compiler ?
    2) which branch should I use ? (I am currently running 4.4.3 'cgt')
    3) what is the difference between the two branches ?
    4) www.ti.com.cn/.../slau132j.pdf is about the compiler v4.4 . Does that mean that the cgt branch is the right one ?


    Thanks
  • 0 in reply to Jean michel LECONTE1
    TI__Guru**** 253390 points

    To start with, please see this wiki article to understand the differences between versions of the compiler.  

    Jean michel LECONTE1 said:
    1) Do I have to conclude that 'cgt' is a different branch of the compiler ?

    No.  The "ti-cgt-" prefix was added to the directories for those who install the compiler outside of CCS.  This prefix makes it more clear what the directory contains.  "cgt" stands for code generation tools.

    Jean michel LECONTE1 said:
    2) which branch should I use ? (I am currently running 4.4.3 'cgt')

    You should probably stay with 4.4.3.  The trade-off is between stability and new features.  In this case, the 4.3.x release stream has been in the field longer than 4.4.x, and thus is more stable.  So, if you don't need any of the new features that 4.4.x provides which 4.3.x does not, you may prefer to use 4.3.x.  All other things being equal, you want the last digit in the version number to be as high as possible.

    Jean michel LECONTE1 said:
    4) www.ti.com.cn/.../slau132j.pdf is about the compiler v4.4 . Does that mean that the cgt branch is the right one ?

    It only means that book describes the 4.4.x releases.

    Thanks and regards,

    -George

  • 0 in reply to George Mock
    Intellectual 470 points
    Thanks,
    In between I read the documentation (wiki) about the version number of the compilers and with your answer it makes more sense. I will stick on the branch 4.4.x then.