------- Comment #5 from hjl dot tools at gmail dot com 2009-05-12 16:42 ------- (In reply to comment #4) > I'm actually running sparcv9-sun-solaris2.10 (the examples used x86 because > more people know it and its asm is easier to read). > > My use case is the following: I'm implementing high-performance > synchronization > primitives and the compiler isn't generating good enough code -- partly > because > it doesn't pipeline spinloops, and partly because it has no way to know what > stuff is truly critical path and what just needs to happen "eventually." >
I think intrinsic is a better solution than inline asm statement for this. If you find any x86 intrinsics are missing, please let me know. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40124
