> On 4 May 2025, at 19:19, Yangyu Chen <c...@cyyself.name> wrote: > > Hi everyone, > > This patch series introduces support for the target_clones profile > option in GCC. This option enables users to specify target_clones > attributes in a separate file, allowing GCC to generate multiple > versions of the function with different ISA extensions based on the > specified profile. This is achieved using the -ftarget-profile > option.
Interesting idea, but the terminology is confusing as is. In GCC “profile” usually refers to an execution profile gathered through PGO instrumentation or perf. Whereas here I think you use “profile” to mean a “RISC-V profile” which is something like a set of target architecture extensions? Thanks, Kyrill > > The primary objective of this patch series is to provide a > user-friendly way to specify target_clones attributes without > modifying the source code. This approach enhances the source code's > cleanliness, facilitates easier maintenance, and ensures portability > across different architectures and compiler versions. > > The example usage of the target_clones profile option is detailed in > the commit message of the second patch. > > I understand that this patch lacks comprehensive documentation and > test cases, as I am still in the process of writing them. > However, I would appreciate feedback on the implementation before > adding them. If the implementation is deemed acceptable, I > will proceed with writing the documentation and test cases. > > Yangyu Chen (2): > Fortran: Do not make_decl_rtl in trans_function_start > Add target_clones profile option support > > gcc/common.opt | 7 +++++++ > gcc/fortran/trans-decl.cc | 3 --- > gcc/multiple_target.cc | 24 +++++++++++++++++++++++- > gcc/opts.cc | 23 +++++++++++++++++++++++ > 4 files changed, 53 insertions(+), 4 deletions(-) > > -- > 2.49.0 >
