Committed with title tweak, thanks
On Tue, Oct 25, 2022 at 9:53 PM wrote:
>
> From: Ju-Zhe Zhong
>
> I noticed that I have made a mistake in previous patch:
>
> https://patchwork.sourceware.org/project/gcc/patch/20220817071950.271762-1-juzhe.zh...@rivai.ai/
>
> The previous statement before this patch:
> bool need_barrier_p = (get_frame_size () +
> cfun->machine->frame.arg_pointer_offset) != 0;
>
> However, I changed it in the previous patch:
> bool need_barrier_p = known_ne (get_frame_size (),
> cfun->machine->frame.arg_pointer_offset);
> This is incorrect.
>
> Now, I correct this statement in this patch.
>
> gcc/ChangeLog:
>
> * config/riscv/riscv.cc (riscv_expand_epilogue): Fix statement.
>
> ---
> gcc/config/riscv/riscv.cc | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
> index 08354a19c05..50ef38438a2 100644
> --- a/gcc/config/riscv/riscv.cc
> +++ b/gcc/config/riscv/riscv.cc
> @@ -5028,8 +5028,8 @@ riscv_expand_epilogue (int style)
>rtx insn;
>
>/* We need to add memory barrier to prevent read from deallocated stack.
> */
> - bool need_barrier_p
> -= known_ne (get_frame_size (), cfun->machine->frame.arg_pointer_offset);
> + bool need_barrier_p = known_ne (get_frame_size ()
> + + cfun->machine->frame.arg_pointer_offset,
> 0);
>
>if (cfun->machine->naked_p)
> {
> --
> 2.36.1
>