On Thu, Apr 27, 2023 at 11:09 AM Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote: > > Zhouyi Zhou <zhouzhouyi@xxxxxxxxx> writes: > > On Tue, Apr 25, 2023 at 2:01 PM Zhouyi Zhou <zhouzhouyi@xxxxxxxxx> wrote: > >> On Tue, Apr 25, 2023 at 6:07 AM Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote: > ... > >> > > >> > There's 12.2.0 here: > >> > https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/12.2.0/ > >> > https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/ppc64le/12.2.0/ > > > powerpc64le-linux-gnu-gcc-12 cross compiler on my Ubuntu 22.04 does > > not seem to have that issue as gcc-10 does > > OK. So so far it's only that GCC 10 that shows the problem. > > If you have time, you could use some of the other versions to narrow > down which versions show the bug: > > https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/ppc64le/ > > There's an 11.0, 11.1 and 11.3 there, as well as 9.5 and so on. GCC test results (Tested on PPC VM of Open Source Lab of Oregon State University) gcc 9.4 (ubuntu native): positive, show bug gcc 9.5 (download form [1]): positive, show bug gcc 10.1 (download from [1]): positive, show bug gcc 10.3 (download from [1]): positive, show bug gcc 10.4 (download from [1]): positive, show bug gcc 11.0 (download from [1]): negative, no bug gcc 11.1 (download from [1]): negative, no bug gcc 11.3 (download from [1]): negative, no bug gcc 12.1 (download from [1]): negative, no bug gcc 12.2 (download from [1]): negative, no bug [1] https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/ppc64le/ I am very happy to cooperate if there is further need ;-) Cheers Zhouyi > > There's
