Re: [PATCH] Use linker sections to explicitly order functions for -fprofile-reorder-functions and -fipa-reorder-for-locality

[Prachi Godbole]

A gentle ping

> On 9 Dec 2025, at 3:11 PM, Prachi Godbole <pgodb...@nvidia.com> wrote:
> 
> Ping
> 
>> On 30 Oct 2025, at 10:48 AM, Prachi Godbole <pgodb...@nvidia.com> wrote:
>> 
>> Ping
>> 
>>> On 9 Oct 2025, at 9:10 PM, Prachi Godbole <pgodb...@nvidia.com> wrote:
>>> 
>>> This patch adds support to linker driven function reordering by creating 
>>> function sections with a prefix '.text.sorted' which are then sorted using 
>>> SORT in by the linker. Appropriate support for this is already present in 
>>> binutils.
>>> 
>>> Bootstrapped and regtested on aarch64-linux-gnu. Ok for mainline?
>>> 
>>> Thanks,
>>> Prachi
>>> 
>>> Signed-off-by: Prachi Godbole pgodb...@nvidia.com
>>> 
>>> gcc/ChangeLog:
>>> 
>>>     * cgraph.cc (cgraph_node::dump): Dump value of text_locality_order.
>>>     * cgraph.h (struct cgraph_node): New variable text_locality_order.
>>>     * cgraphclones.cc (cgraph_node::create_clone): Initialize
>>>     text_locality_order.
>>>     * cgraphunit.cc (expand_all_functions): Update text_locality_order.
>>>     * ipa-locality-cloning.cc (get_default_locality_order): New function.
>>>     (add_node_to_partition): Update text_locality_order.
>>>     * lto-cgraph.cc (lto_output_node): Write text_locality_order to file.
>>>     (input_node): Read text_locality_order.
>>>     * varasm.cc (default_function_section): Create function sections based
>>>     on text_locality_order.
>>> 
>>> <0001-PATCH-Use-linker-sections-to-explicitly-order-functi.patch>
>> 
>