Re: [PATCH v2] RISCV: PR rtl-optimization/123905 - Failure to optimize away sign extension on RISC-V

[Peter Bergner]

On 7/8/2026 9:07 AM, Milan Tripkovic wrote:
> +      if (regno >= FIRST_PSEUDO_REGISTER && DF_REG_DEF_COUNT (regno) == 1)

Very minor nit, but we generally prefer using the HARD_REGISTER_NUM_P() macro
rather than testing against FIRST_PSEUDO_REGISTER...so:

  s/regno >= FIRST_PSEUDO_REGISTER/!HARD_REGISTER_NUM_P (regno)/

Peter