From: antispam@fricas.org   
      
   Chris Townley  wrote:   
   > On 29/03/2025 18:19, Waldek Hebisch wrote:   
   >> Simon Clubley  wrote:   
   >>> On 2025-03-27, Arne Vajhøj  wrote:   
   >>>>   
   >>>> or:   
   >>>> - people use a different backend than LLVM (GCC, custom, whatever)   
   >>>>   
   >>>   
   >>> If anyone knows of a serious backend code generator other than LLVM   
   >>> or GCC, please feel free to point me at it. :-)   
   >>>   
   >>> Simon.   
   >>>   
   >>> PS: And no Bill, the Amsterdam Compiler Kit does not apply. :-)   
   >>   
   >> Depends what you consider serious (and what "backend" means).   
   >> There is bunch of compilers that use their own backend,   
   >> for example optimized Ocaml or SBCL Lisp.  If you aim at   
   >> highest possible speed, regardless of language, then they   
   >> can not compete.  If you look at native performance for   
   >> relevant languages, then they are top performers (there are   
   >> Lisp compilers which generate code via translation to C,   
   >> resulting speed is lower than obtained using SBCL).   
   >>   
   >> Note that context was porting languages, "classic"   
   >> languages are covered by VSI, so relevant things are   
   >> backends for more exotic languages.  There was recent   
   >> trend to adopt LLVM in such cases, and Julia seem to   
   >> be prominent example of language dependent on LLVM.   
   >> But more popular approach seem to be via custom   
   >> backend or via C.  For example Haskell folks some time   
   >> ago said that LLVM does not really give them advantages   
   >> compared to going via C, and C way is easier.   
   >>   
   >   
   > Isn't that what GNAT does for Ada?   
      
   I am not sure what you wanted to say.  GNAT is a native   
   compiler using GCC backend.  There were some talk about   
   interfacing it to LLVM, but I am not aware of anything   
   working in this direction.  GNAT does _not_ generate   
   C, it interfaces with the backend using constructs not   
   available in C.   
      
   --   
                                 Waldek Hebisch   
      
   --- SoupGate-DOS v1.05   
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