[llvm-dev] GlobalISel BoF follow-up (original) (raw)
Diana Picus via llvm-dev llvm-dev at lists.llvm.org
Wed Apr 19 07:24:41 PDT 2017
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Hi again,
On 1 April 2017 at 15:09, Diana Picus <diana.picus at linaro.org> wrote:
If people feel it would be useful, we could also try to send a weekly-ish email listing the pending reviews and any points that need coordination. We're open to any suggestions on how we can communicate better.
Nobody said anything about this, but with people coming back from spring break these days it's probably a good time to sync again. Kristof and I have been trying to keep the scratchpad document here [1] up to date, but I'll try to summarize things on the mailing list as well:
We still have a few bugs open that we should fix or at least discuss before turning GlobalISel on by default at O0 for AArch64:
- PR32560 - A crash in regbank select [2]
- PR32550 - Floating point values moving a lot through GPRs [3]
- PR32561 - Improve placement of constants [4]
- Optional - improve handling of switch statements (I think we don't even have a bug open for this, but it has been brought up)
Unrelated to O0, here are some pending patches (at least that I'm aware of):
- Legalization of non-power-of-2 types [5] - this hasn't seen any activity in a while, but it would be nice to move forward with it
- TableGen for the instruction selector: support for predicates [6] - needs a rebase, would be very useful for ARM
- Formatting TableGen'erated files [7] - this is an older patch and it doesn't really need to be limited only to GlobalISel, it looks like it might be a good idea for TableGen in general
Also, Eric Cristopher has started a discussion on the GlobalISel accessors [8]. If I missed anything, please feel free to bring it up!
Cheers, Diana
[1] https://goo.gl/IS2Bdw [2] http://bugs.llvm.org/show_bug.cgi?id=32560 [3] http://bugs.llvm.org/show_bug.cgi?id=32550 [4] http://bugs.llvm.org/show_bug.cgi?id=32561 [5] https://reviews.llvm.org/D30529 [6] https://reviews.llvm.org/D31418 [7] https://reviews.llvm.org/D30299 [8] http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20170410/445369.html
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