Dual Mode Binaries

[Kalle Olavi Niemitalo]

Tim Prince <n8tm@aol.com> writes:

> gcc has survived without providing much support for multiple paths,
> e.g. non-SSE, SSE3, ... where the incentive might have been greater.

For those, the upcoming ifunc attribute should be a better fit,
as it allows compiling multiple variants of only the real
hotspots and sharing all the rest.  The downside is that ifunc
requires changes in the source code, rather than only compiler
options.