On 22 August 2014 23:05, Richard Henderson <r...@redhat.com> wrote: > Delay cfi restore opcodes until the stack frame is deallocated. > This reduces the number of cfi advance opcodes required. > > We perform a similar optimization in the x86_64 epilogue. > > > * config/aarch64/aarch64.c (aarch64_popwb_single_reg): Remove. > (aarch64_popwb_pair_reg): Remove. > (aarch64_restore_callee_saves): Add CFI_OPS argument; fill it with > the restore ops performed by the insns generated. > (aarch64_expand_epilogue): Attach CFI_OPS to the stack deallocation > insn. Perform the calls_eh_return addition later; do not attempt to > preserve the CFA in that case. Don't use aarch64_set_frame_expr.
OK, thank you. /Marcus
