On 11/5/18 1:20 PM, Jeff Law wrote: > On 11/1/18 4:07 PM, Peter Bergner wrote: >> On 11/1/18 1:50 PM, Renlin Li wrote: >>> Is there any update on this issues? >>> arm-none-linux-gnueabihf native toolchain has been mis-compiled for a while. >> >> From the analysis I've done, my commit is just exposing latent issues >> in LRA. Can you try the patch I submitted here to see if it helps? >> >> https://gcc.gnu.org/ml/gcc-patches/2018-10/msg01757.html >> >> It survives on powerpc64le-linux, x86_64-linux and s390x-linux. >> Jeff threw it on his testers and said he saw an arm issue and was >> trying to come up with a test case for me to debug. > So I don't think the ARM issues are related to your patch, they may have > been related the combiner changes that went in around the same time. > > At this point your patch appears to be DTRT across the board. The only > fallout is the bogus s390 asm it caught in the kernel.
Cool. I will note that I contacted the s390 kernel guys and gave them a fix to their broken constraints in that asm and they are going to fix it. Is the above an approval to commit the patch mentioned above or do you still want to wait until the ARM issues are fully resolved? Peter
