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June 18, 2016 iOS natively supports thread-locals | ||||
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Good news! I just did a simple LDC test of thread locals using vanilla LLVM 3.8.0 and Xcode 3.7.1. Targeted both arm64 (iPhone 6) and armv7 (older iPad mini) running iOS 9.3.2. This paves the way for ditching my modified LLVM.
Was there an Apple announcement about this?
I am not sure when this came about. It snuck in sometime between Jan 2016 and the LLVM 3.8.0 release in early March. I noticed when trying to cherry-pick my thread-local changes today into a 3.8.0 release and there was conflict. Looking at the code, there it was, TLS support.
I think device needs to be running at least iOS 9.0 for armv7 and 8.0 for arm64. Doesn't work yet in iOS Simulator for 32-bit though.
--
Dan
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June 19, 2016 Re: iOS natively supports thread-locals | ||||
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Posted in reply to Dan Olson | On Sunday, 19 June 2016 at 02:40:51 UTC, Dan Olson wrote: > Good news! I just did a simple LDC test of thread locals using vanilla LLVM 3.8.0 and Xcode 3.7.1. Targeted both arm64 (iPhone 6) and armv7 (older iPad mini) running iOS 9.3.2. This paves the way for ditching my modified LLVM. > > Was there an Apple announcement about this? > > I am not sure when this came about. It snuck in sometime between Jan 2016 and the LLVM 3.8.0 release in early March. I noticed when trying to cherry-pick my thread-local changes today into a 3.8.0 release and there was conflict. Looking at the code, there it was, TLS support. > > I think device needs to be running at least iOS 9.0 for armv7 and 8.0 for arm64. Doesn't work yet in iOS Simulator for 32-bit though. Looks like this commit, ARM-only for now: http://llvm.org/viewvc/llvm-project?view=revision&revision=257039 |
June 19, 2016 Re: iOS natively supports thread-locals | ||||
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Posted in reply to Dan Olson | On 2016-06-19 04:40, Dan Olson wrote: > Good news! I just did a simple LDC test of thread locals using vanilla > LLVM 3.8.0 and Xcode 3.7.1. Targeted both arm64 (iPhone 6) and armv7 > (older iPad mini) running iOS 9.3.2. This paves the way for ditching my > modified LLVM. Aha, interesting. Does the implementation look like the one for OS X or is completely different? -- /Jacob Carlborg |
June 20, 2016 Re: iOS natively supports thread-locals | ||||
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Posted in reply to Jacob Carlborg | Jacob Carlborg <doob@me.com> writes:
> On 2016-06-19 04:40, Dan Olson wrote:
>> Good news! I just did a simple LDC test of thread locals using vanilla LLVM 3.8.0 and Xcode 3.7.1. Targeted both arm64 (iPhone 6) and armv7 (older iPad mini) running iOS 9.3.2. This paves the way for ditching my modified LLVM.
>
> Aha, interesting. Does the implementation look like the one for OS X or is completely different?
It looks the same as OS X.
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