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author | xuli <xuli1@eswincomputing.com> | 2023-11-17 04:48:47 +0000 |
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committer | xuli <xuli1@eswincomputing.com> | 2023-11-20 02:50:09 +0000 |
commit | e6269bb69c0734a5af716bfbded3621de6ca351d (patch) | |
tree | 495951a746636087f774fc5126ee26160946e27a /libcpp/macro.cc | |
parent | 8bccee51f0deac64b79cd9ad75df599422f4c8ff (diff) | |
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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.
Diffstat (limited to 'libcpp/macro.cc')
0 files changed, 0 insertions, 0 deletions