https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112537
--- Comment #14 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Li Xu <x...@gcc.gnu.org>: https://gcc.gnu.org/g:e6269bb69c0734a5af716bfbded3621de6ca351d commit r14-5602-ge6269bb69c0734a5af716bfbded3621de6ca351d Author: xuli <xu...@eswincomputing.com> Date: Fri Nov 17 04:48:47 2023 +0000 RISC-V: Implement -mmemcpy-strategy= options[PR112537] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112537 -mmemcpy-strategy=[auto|libcall|scalar|vector] auto: Current status, use scalar or vector instructions. libcall: Always use a library call. scalar: Only use scalar instructions. vector: Only use vector instructions. PR target/112537 gcc/ChangeLog: * config/riscv/riscv-opts.h (enum riscv_stringop_strategy_enum): Strategy enum. * config/riscv/riscv-string.cc (riscv_expand_block_move): Disabled based on options. (expand_block_move): Ditto. * config/riscv/riscv.opt: Add -mmemcpy-strategy=. gcc/testsuite/ChangeLog: * gcc.target/riscv/rvv/base/cpymem-strategy-1.c: New test. * gcc.target/riscv/rvv/base/cpymem-strategy-2.c: New test. * gcc.target/riscv/rvv/base/cpymem-strategy-3.c: New test. * gcc.target/riscv/rvv/base/cpymem-strategy-4.c: New test. * gcc.target/riscv/rvv/base/cpymem-strategy-5.c: New test. * gcc.target/riscv/rvv/base/cpymem-strategy.h: New test.
