Patch drop: fwprop.c patch for neon-strided-load-extract
richard.sandiford at linaro.org
Wed Jan 4 15:09:07 UTC 2012
Ramana Radhakrishnan <ramana.radhakrishnan at linaro.org> writes:
> On 29 December 2011 10:21, Richard Sandiford
> <richard.sandiford at linaro.org> wrote:
>> The remaining change for neon-strided-load-extract is to allow fwprop.c
>> to propagate:
>> (set (reg X) (subreg (reg Y) N))
>> even if no further simplifications are possible. I posted the original
>> patch for comments here:
>> and fixed the problem that H.J. spotted. I wasn't entirely happy with
>> the benchmark results though, so it never became an RFA.
> When you say you weren't happy with the benchmark results - would you
> remember if it didn't show
> any significant improvements or were there significant regressions ?
There were some nice improvements but a couple of regressions. I don't
remember the regressions being very big, but they were outside the noise,
so I wanted to explain them first.
More information about the linaro-toolchain