dean gaudet wrote: | | a "stall" means the processor chews up an ALU slot for one or two cycles | (i forget the right number) preventing other operations from | issuing/retiring. | | the dependency method results in an instruction ordering which is correct, | but not necessarily optimal... but doesn't stop other non-dependent | operations from using the ALU in the interim while the partial-reg | dependencies are being satisfied.
Ahh, ok. I was not aware this subtle optimization in EM64T processors. -- Marc Bevand http://epita.fr/~bevand_m Computer Science School EPITA - System, Network and Security Dept. ______________________________________________________________________ OpenSSL Project http://www.openssl.org Development Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]
