[ I never received the original mail? Not the one sent to me directly,
that is. ]
Subject: [PATCH], rs6000, PR/target 94622, Be more careful with plq for
atomic_load
That is too long... Also, PR should go at the end, etc., so smth like
Subject: [PATCH] rs6000: Be more careful with plq for
Hi,
On Mon, 2020-04-20 at 14:00 -0500, Aaron Sawdey via Gcc-patches wrote:
> For future architecture with prefix instructions, always use plq
> rather than lq for atomi load of quadword. Then we never have to
atomic :-)
> do the doubleword swap on little endian. Before this fix, -mno-pcrel
> w
For future architecture with prefix instructions, always use plq
rather than lq for atomi load of quadword. Then we never have to
do the doubleword swap on little endian. Before this fix, -mno-pcrel
would generate lq with the doubleword swap (which was ok) and -mpcrel
would generate plq, also with
