On 05/31/2011 11:55 AM, Torvald Riegel wrote: > Last majority opinion on this that I'm aware of said that only primitive > types can be used for exceptions thrown out of transactions. We should > be able to handle this with the EH ABI wrappers only. > > Okay to drop support of dropReferences()?
Fine by me. >> The intention was always to drop the registration functions entirely, and >> create a new ELF Phdr describing the linker-sorted table. Much like what >> currently happens for PT_GNU_EH_FRAME. >> >> This work kept getting bogged down in how to represent the N different code >> generation variants. We clearly needed at least 2 -- sw and hw transactional >> clones -- but there was always a suggestion of more variants for different >> tm assumptions/invariants. > > Shall I just add your text to the document as an explanation? Sure. >> I thought the TM Language group, and Hans Bohem in particular, has been >> working on this. It post-dates the language spec we had available when >> the branch code was written. > > The only memory-model-related work that I'm aware of is what's contained > in the C++-level specification (embedding txns into the C++1x mem > model), but not on the ABI level. I'll try to get more information about > this. Ah, I equated these to the same thing. r~
