From: gerard.calliet@pia-sofer.fr   
      
   Le 13/01/2026 à 16:46, Arne Vajhøj a écrit :   
   > On 1/13/2026 10:35 AM, gcalliet wrote:   
   >> I begin the year - I hope successfull, happy, and with a good health   
   >> for everyone with a somehow prehistoric question.   
   >>   
   >> Some applications, in general using x11, where linked with this sort   
   >> of library:   
   >> VAXCRTLG_D56_TV_AV.EXE;1   
   >> VAXCRTLG_D56_V73_TV_AV.EXE;1   
   >> VAXCRTL_D56_TV_AV.EXE;1   
   >> VAXCRTL_D56_V73_TV_AV.EXE;1   
   >>   
   >> There are been vesting from VAX to alpha, and doing the same sort of   
   >> operation to itanium.   
   >>   
   >> What has been done for x86? I know some applications using this sort   
   >> of libraries, and without them it's impossible to go ahead.   
   >>   
   >> What has been done? What can be done?   
   >>   
   >> All information wellcomed.   
   >   
   > There were VEST (VAX->Alpha) and AEST (Alpha->Itanium),   
   > but no IEST (Itanium->x86-64).   
   >   
   > Explicit VSI decision I believe.   
   >   
   > But it is not clear to me what you need.   
   >   
   > Many years ago, but as I remember it then if you VEST'ed   
   > FOOBAR.EXE then you needed a VEST'ed RTL's, but if you   
   > compiled and linked FOOBAR then you used the normal RTL's.   
   >   
   > Arne   
   >   
   Thanks for all the answers. I'm just beginning my analysis, and   
   reconstructing my memories.   
      
   The question is: why offering a translated RTL when it can be   
   recompiled? (There are not only _TV (for alpha) and _TV_AV for C RTL,   
   they existe also for other  lnagages RTL).   
      
   Today, I think, one of the goals is about mathematical approximations,   
   which are not exactly the same with a compiled RTL, and for some   
   applications, and notably to calculate pictures, it could be a problem.   
      
   As the name says it, DECmigrate (VEST and after that AEST) is about   
   facilitation of migration. Very helpfull when the program sources are   
   lost, but also for a long time if you need specific calculs.   
      
   It's just for now an hypothesis. I see these translated RTL mentioned in   
   the .opt for all the links. And also it is the G_FLoat which are used.   
      
   Perhaps in our C.O.V some people know more about the rationale for these   
   translated RTL which had to survive until today.   
      
   Gérard Calliet   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)