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...For example, '-mtune=cyclone' won't enable crypto, but will enable zcm and zcz, and also enable all special pass and scheduler. Last change is about '-mcpu'. If user don't care portability and only want to get good performance on a certain CPU, he can use '-mcpu=XXX+[no]featureA', which is an alias of '-march=default feature of XXX+[no]featureA -mtune=XXX'. All default feature will get enabled and tune target will be selected. So it's just a short hand of '-march' and '-mcpu'. I think those changes can easily build binary running on multipl...

...decided by triple at first, and can be overridden if architecture is specified by '-march'. > > > Last change is about '-mcpu'. If user don't care portability and only > want > > to get good performance on a certain CPU, he can use > > '-mcpu=XXX+[no]featureA', which is an alias of '-march=default feature of > > XXX+[no]featureA -mtune=XXX'. All default feature will get enabled and > tune > > target will be selected. So it's just a short hand of '-march' and > '-mcpu'. > > I think we should also sp...

...ion", PTX_VERSION_2_3", "Use PTX Language Version 2.3", [FeaturePTX22]>; I can only guess above statement means PTX23 is fully compatible with PTX22. Is my guess right? If so, how can one express that FeatureA is NOT fully compatible with FeatureB in .td? Regards, chenwj -- Wei-Ren Chen (陳韋任) Computer Systems Lab, Institute of Information Science, Academia Sinica, Taiwan (R.O.C.) Tel:886-2-2788-3799 #1667

Ping. Can I assume that we're ok with this interface proposal then? Amara -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20140127/49962cbc/attachment.html>

On Fri, May 6, 2011 at 5:37 AM, 陳韋任 <chenwj at iis.sinica.edu.tw> wrote: > Hi, Justin > > PTX version in CUDA 4.0 has changed from 2.2 to 2.3. > I add ptx23 subtarget and update a testcase. > > Is that O.K.? > Looks good. Committed in r130980. Thanks! In the future, patches should be sent to llvm-commits instead of llvmdev. > > Regards, > chenwj >

...ON_2_3", > "Use PTX Language Version 2.3", > [FeaturePTX22]>; > > I can only guess above statement means PTX23 is fully compatible with > PTX22. Is my guess right? If so, how can one express that FeatureA is > NOT fully compatible with FeatureB in .td? > Literally, it means any feature supported by PTX 2.2 is also supported by PTX 2.3. While this may not be strictly true, it is a good approximation for now, until more of the ISA is implemented. I wouldn't worry about it for now. > &...

Hi, Justin PTX version in CUDA 4.0 has changed from 2.2 to 2.3. I add ptx23 subtarget and update a testcase. Is that O.K.? Regards, chenwj -- Wei-Ren Chen (陳韋任) Computer Systems Lab, Institute of Information Science, Academia Sinica, Taiwan (R.O.C.) Tel:886-2-2788-3799 #1667 -------------- next part -------------- Index: test/CodeGen/PTX/options.ll