"Kevin D. Kissell" <kevink@mips.com> writes: > As MIPS "owns" the ABI, whether or not the thread register > becomes a part of it is not something that anyone outside > of MIPS can simply decree. Well, MIPS might define the "official" ABI but nobody is forced to use it and if nobody uses it it's nor worth anything. > I'd very much appreciate it if someone would explain to me just what > this register is used for, and why a register needs to be permantly > allocated for this purpose. Simply look at the ABIs for some less-backward processors. Read the thread-local storage section in the IA-64 ABI specification. -- ---------------. ,-. 1325 Chesapeake Terrace Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA Red Hat `--' drepper at redhat.com `------------------------