Date: Thu, 4 Jun 2020 12:20:53 -0500 From: Segher Boessenkool <segher@...nel.crashing.org> To: Michal Suchánek <msuchanek@...e.de> Cc: Daniel Kolesa <daniel@...aforge.org>, libc-alpha@...rceware.org, eery@...erfox.es, musl@...ts.openwall.com, Will Springer <skirmisher@...tonmail.com>, Palmer Dabbelt via binutils <binutils@...rceware.org>, via libc-dev <libc-dev@...ts.llvm.org>, linuxppc-dev@...ts.ozlabs.org, Joseph Myers <joseph@...esourcery.com> Subject: Re: ppc64le and 32-bit LE userland compatibility On Tue, Jun 02, 2020 at 05:27:24PM +0200, Michal Suchánek wrote: > Naturally on POWER the first cpu that has LE support is POWER8 so you > can count on all other POWER8 features to be present. This is not true. The oldest CPU the ELFv2 ABI (and so, powerpc64le-linux) supports is POWER8, but most 6xx/7xx CPUs had a working LE mode already. There are very old ABIs that support LE as well. Segher
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