Messages in this thread | | | Date | Mon, 23 Nov 2015 11:34:58 -0800 | From | "Shi, Yang" <> | Subject | Re: [PATCH 1/2] arm64: bpf: add 'store immediate' instruction |
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Hi folks,
Any more comments on this patch (store immediate only)?
I need more time to add XADD (I'm supposed everyone agrees it is equivalent to atomic_add). However, this one is irrelevant to XADD, so we may be able to apply it first?
Thanks, Yang
On 11/12/2015 7:45 PM, Z Lim wrote: > On Thu, Nov 12, 2015 at 11:33 AM, Shi, Yang <yang.shi@linaro.org> wrote: >> On 11/11/2015 4:39 AM, Will Deacon wrote: >>> >>> Wait a second, we're both talking rubbish here :) The STR (immediate) >>> form is referring to the addressing mode, whereas this patch wants to >>> store an immediate value to memory, which does need moving to a register >>> first. >> >> >> Yes, the immediate means immediate offset for addressing index. Doesn't mean >> to store immediate to memory. >> >> I don't think any load-store architecture has store immediate instruction. >> > > Indeed. Sorry for the noise. > > Somehow Will caught a whiff of whatever I was smoking then :) >
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