[cfe-dev] [OpenCL] Turn on -fblocks by default for OpenCL 2.0

[Anastasia Stulova via cfe-dev]

Those types are part of C99 too and it is rather common to define them in the header files. I wouldn't overcomplicate Clang code with adding them unless there is a real benefit in that.

I think inclusion of headers is unavoidable anyways as we can't add everything from CL libs into Clang directly without affecting it's performance.

Also the headers will be hopefully committed upstream soon, and they can be used easily then.

Thanks,
Anastasia

From: Liu, Yaxun (Sam) [mailto:Yaxun.Liu at amd.com]
Sent: 12 May 2016 15:14
To: Bader, Alexey; cfe-dev (cfe-dev at lists.llvm.org); Anastasia Stulova; Pan, Xiuli
Subject: RE: [OpenCL] Turn on -fblocks by default for OpenCL 2.0

I agree it is better to define the vector types and probably the size_t, ptrdiff_t, intptr_t, uintptr_t types in Clang instead of header file. This allows user to use these types without include the header.

I plan to work on that.

Thanks.

Sam

From: Bader, Alexey [mailto:alexey.bader at intel.com]
Sent: Thursday, May 12, 2016 6:12 AM
To: Liu, Yaxun (Sam) <Yaxun.Liu at amd.com<mailto:Yaxun.Liu at amd.com>>; cfe-dev (cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>) <cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>>; 'anastasia.stulova at arm.com' <anastasia.stulova at arm.com<mailto:anastasia.stulova at arm.com>>; Pan, Xiuli <xiuli.pan at intel.com<mailto:xiuli.pan at intel.com>>
Subject: RE: [OpenCL] Turn on -fblocks by default for OpenCL 2.0

Hi Sam,

Enabling blocks for OpenCL 2.0 by default makes sense to me.
I think it would be useful to define built-in vector types for OpenCL too. Right now they are defined in the header file.

Thanks,
Alexey

From: Liu, Yaxun (Sam) [mailto:Yaxun.Liu at amd.com]
Sent: Wednesday, May 11, 2016 9:51 PM
To: cfe-dev (cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>) <cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>>; 'anastasia.stulova at arm.com' <anastasia.stulova at arm.com<mailto:anastasia.stulova at arm.com>>; Pan, Xiuli <xiuli.pan at intel.com<mailto:xiuli.pan at intel.com>>; Bader, Alexey <alexey.bader at intel.com<mailto:alexey.bader at intel.com>>
Subject: [OpenCL] Turn on -fblocks by default for OpenCL 2.0

OpenCL 2.0 supports blocks as core feature. However, Clang does not turn on blocks support by default for OpenCL 2.0. An option -fblocks has to be used to turn on blocks.

Should this be changed?

Thanks.

Sam

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