Re: [PATCH] [AArch64] Distinct costs for sign and zero extension

2015-10-27 Thread James Greenhalgh
On Tue, Oct 20, 2015 at 07:52:45AM +0800, Andrew Pinski wrote: > On Tue, Oct 20, 2015 at 7:10 AM, Evandro Menezes > wrote: > > Some micro-architectures may favor one of sign or zero extension over the > > other in the base plus extended register offset addressing mode. > > Yes I was going to cre

Re: [PATCH] [AArch64] Distinct costs for sign and zero extension

2015-10-19 Thread Andrew Pinski
On Tue, Oct 20, 2015 at 7:10 AM, Evandro Menezes wrote: > Some micro-architectures may favor one of sign or zero extension over the > other in the base plus extended register offset addressing mode. Yes I was going to create the same patch as ThunderX is one of those micro-architectures. Thanks,