From: arne@vajhoej.dk   
      
   On 8/29/2025 2:28 PM, Simon Clubley wrote:   
   > On 2025-08-29, Arne Vajhøj  wrote:   
   >> On 8/29/2025 1:57 PM, Simon Clubley wrote:   
   >>>   
   >>> Also, what makes you think that the GNU gas of that era will still   
   >>> be suitable for today's compilers ?   
   >>   
   >> I would expect Alpha assembler to still be Alpha assembler.   
   >>   
   >   
   > And are you sure that VMS gas 2.8 will support all of the following:   
   >   
   > https://sourceware.org/binutils/docs/as/Pseudo-Ops.html   
   >   
   > (Those are just the current target-neutral directives).   
   >   
   >> The instructions are obviously the same.   
   >>   
   >> And I find it unlikely that anyone has spend time the last 25   
   >> years adding advanced macros and pseudo instructions to the   
   >> Alpha assembler and the compiler.   
   >   
   > That's not where the problem is. You need to think at a higher level   
   > than that. Notice that I said today's compilers which may rely on   
   > underlying features not present in that old VMS Alpha version of gas.   
      
   If some of those directives was not supported in GCC 2.8 as   
   and those directives are actually generated by the compiler   
   for the VMS Alpha target (because they are generated on all   
   target or was added to Alpha target later for the benefit   
   of other OS), then GCC 2.8 as will obviously not work.   
      
   It may still be easier to hack the compiler to not use   
   those than to reverse engineer LINK though.   
   Arne   
      
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