[Info-vax] x86-64 VMS executable image sizes and memory requirements ?

[Michael Moroney]

already5chosen at yahoo.com writes:

>Few numbers for clang/LLVM on x86-64 (not VMS, of course)

>Option .text size
>-O0 75456
>-Oz 45772
>-Os 44992
>-O1 56836
>-O2 45220
>-O3 46084

For someone unfamiliar with clang & LLVM, what are the meanings of these
optimization options?  And will they be available on VMS?