> -Original Message-
> From: Srinath Parvathaneni
> Sent: 05 May 2021 14:32
> To: gcc-patches@gcc.gnu.org
> Cc: Kyrylo Tkachov ; Richard Earnshaw
>
> Subject: [GCC-10 backport][PATCH] arm: PR target/95646: Do not clobber
> callee saved regi
Hi,
This is a backport to gcc-10, cleanly applied on the branch.
As reported in bugzilla when the -mcmse option is used while compiling for size
(-Os) with a thumb-1 target the generated code will clear the registers r7-r10.
These however are callee saved and should be preserved accross ABI
