Re: [PATCH v1] RISC-V: Use scratch reg for Rd , so that src/rs2 is not clobbered for Store-Conditional.

[Jeff Law]

On 6/17/25 1:58 AM, Umesh Kalappa wrote:
Testcase update with no regressed found for the following the changes.

gcc/ChangeLog:

          * config/riscv/sync.md (lrsc_atomic_exchange<mode>):
          Use the scratch reg for rd.

  gcc/testsuite/ChangeLog:

          * gcc.target/riscv/zalrsc.c: New test.
Thanks.  I adjusted the ChangeLog/commit message a bit and pushed this 
to the trunk.

Thanks again,
Jeff