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On Wed, 20 Dec 2017 08:48:15 PST (-0800), joseph@codesourcery.com wrote:
On Tue, 19 Dec 2017, Palmer Dabbelt wrote:This patch contains fast versions of the various routines from string.h that have been implemented for RISC-V. Since RISC-V doesn't define any specific performance characteristics they're not optimized for any particular microarchitecture, but are designed to be generally good.I would again suggest deferring adding such functions, especially the C ones, and instead helping with updating / reviewing RTH's optimized generic string functions posted a while back, and only adding RISC-V-specific ones if there is some clear reason RISC-V needs something non-generic for optimal performance.
Yes, that makes sense -- I think I forgot last time because they hadn't gone in yet. We'll just use the generic ones for now, I'll add it to my TODO list to make sure they're generating good code for RISC-V.
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