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| From: | Richard Henderson |
| Subject: | Re: [Qemu-devel] [PATCH v2 21/22] target-mips: use pointers referring to appropriate decoding function |
| Date: | Thu, 19 Jun 2014 21:09:24 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
On 06/19/2014 03:18 PM, Aurelien Jarno wrote: > I have mixed filling about that. While it clearly makes the code more > readable, I am not sure it would be any faster given that it might kill > branch prediction. Any opinion from others? Given the function pointer is used only once, I don't think it's useful. With normal branch predictors we'll do much better with direct branches, and probably inlining. r~
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