On 02/04/2012 02:06 AM, Richard Sandiford wrote: >> > Actually I had that idea of a link-once function too, but it turned out >> > quite complicated to do without rewriting some generic parts of GCC as it >> > is currently not prepared to emit link-once functions outside C++ >> > compilations. It's been a while and I did lots of other stuff meanwhile, >> > so please excuse me if I got anything wrong here. > Hmm, OK, I wouldn't have expected that. But if you've tried making > __mips16_rdhwr link-once and had a bad experience with it, then yeah, > let's go with the hidden libgcc function. It's just a shame that we're > having to force static linking of libgcc for this one case.
The i386 target does it all the time for its __x86.get_pc_thunk.?x thingys. So I really don't believe the "not prepared" comment. r~
