Re: [PATCH] RISC-V: Implement reassociation width hook

On 7/30/2026 6:01 AM, Wang Yaduo wrote:
> Add per-tune integer, floating-point and vector reassociation widths.
> Use 2/2/1 for generic-ooo and 3/2/1 for xt-c9501fdvt, while
> keeping other tunes at the default width of one.
>
> gcc/ChangeLog:
>
> 	* config/riscv/riscv.cc (riscv_tune_param): Add reassociation
> 	widths.
> 	(generic_ooo_tune_info): Set reassociation widths.
> 	(xt_c9501_tune_info): Likewise.
> 	(riscv_reassociation_width): New function.
> 	(TARGET_SCHED_REASSOCIATION_WIDTH): Define.
>
> gcc/testsuite/ChangeLog:
>
> 	* gcc.target/riscv/reassoc-or-chain.c: New test.
Don't the rest of the uarch tuning structure initializers need a change 
since you added new fields to the structure?  For those use whatever the 
current defaults are.

jeff