This is the mail archive of the libc-hacker@sources.redhat.com mailing list for the glibc project.
Note that libc-hacker is a closed list. You may look at the archives of this list, but subscription and posting are not open.
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |
Other format: | [Raw text] |
On Fri, Jan 18, 2002 at 08:07:15AM -0800, Ulrich Drepper wrote: > Andi Kleen <ak@suse.de> writes: > > > On x86-64 we have the situation that context switches get somewhat more > > expensive as soon as thread registers are used. It would be nice if > > use of thread registers in non threaded programs could be avoided. > > Not possible. But what can be certainly done is not use %gs as thread register on x86-64, but instead %r13 or whatever you choose in the ABI. Jakub
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |