uweigand added a comment.
In https://reviews.llvm.org/D53157#1303193, @andrew.w.kaylor wrote:
> I agree that it's preferable to re-use these existing options if possible. I
> have some concerns that -ftrapping-math has a partial implementation in place
> that doesn't seem to be well aligned
uweigand added a comment.
OK, let me try to expand on my point 3 above, which appears to have confused
everybody :-)
First, let's distinguish two separate requirements: those on floating-point
operations that explicitly run in regions with non-default control modes, and
those on
uweigand added a comment.
It seems this patch caused the SystemZ build bots to fail, they're now all
running into assertion failures:
ICE cannot be evaluated!
UNREACHABLE executed at
/home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/tools/clang/lib/AST/ExprConstant.cpp:11442!
See e.g.
uweigand added a comment.
A couple of comments on the previous discussion:
1. Instead of defining a new command line option, I'd prefer to use the
existing options -frounding-math and -ftrapping-math to set the default
behavior of math operations w.r.t. rounding modes and exception status.
uweigand added a comment.
In https://reviews.llvm.org/D52840#1265615, @mgorny wrote:
> The first one seems to indicate that your `libclang.so` is broken in release
> mode (optimization error?). The second one is correct (some of the tests test
> for errors, and apparently don't silence the
uweigand added a comment.
This causes check-all to abort for me on SystemZ in Release mode (and never
actually run the lit tests):
[40/365] cd /home/uweigand/llvm/llvm-head/tools/clang/bindings/python &&
/usr/bin/cmake -E...BRARY_PATH=/home/uweigand/llvm/build/llvm-head/lib
uweigand accepted this revision.
uweigand added a comment.
This revision is now accepted and ready to land.
Yes, this works for me now. Thanks!
https://reviews.llvm.org/D33648
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uweigand added a comment.
The problem is that the new test case you added does not contain a -triple
argument in the compile command. This means that the compile targets the
native architecture on the build system, whatever this is. Since OpenCL
support on different architectures may be
uweigand added a comment.
In https://reviews.llvm.org/D33353#765783, @bader wrote:
> Could you revert Egor's commit, please?
I see Renato Golin has already reverted the commit, thanks ...
https://reviews.llvm.org/D33353
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uweigand added a comment.
Looks like this causes the build bot to fail on SystemZ:
http://lab.llvm.org:8011/builders/clang-s390x-linux/builds/8741
error: 'error' diagnostics expected but not seen:
File
uweigand added a comment.
In https://reviews.llvm.org/D30415#705889, @echristo wrote:
> In https://reviews.llvm.org/D30415#705196, @uweigand wrote:
>
> > Well, mainline GCC doesn't have -faltivec at all and never had, I think
> > this was only an Apple GCC extension ... Not sure what exactly
uweigand added a comment.
In https://reviews.llvm.org/D30415#704761, @echristo wrote:
> In https://reviews.llvm.org/D30415#703652, @uweigand wrote:
>
> > I'm a bit confused by this discussion. -faltivec and -maltivec are simply
> > aliases, they do exactly the same thing; the clang-internal
uweigand added a comment.
In https://reviews.llvm.org/D30415#703442, @hfinkel wrote:
> In https://reviews.llvm.org/D30415#703398, @echristo wrote:
>
> > Different suggestion:
> >
> > Remove the faltivec option. Even gcc doesn't support it anymore afaict.
>
>
> What are you suggesting? Always
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