Felix-Gong commented on code in PR #3601:
URL: https://github.com/apache/brpc/pull/3601#discussion_r4266522839
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src/butil/crc32c.cc:
##########
@@ -821,16 +821,16 @@ static inline Function Choose_Extend() {
}
#endif
#if defined(__riscv) && (__riscv_xlen == 64) && (defined(__riscv_zbc) ||
defined(__riscv_zvbc))
-#if defined(__riscv_zvbc)
- if (is_zvbc()) {
- return (Function)rv_crc32c_vclmul;
- }
-#endif
#if defined(__riscv_zbc)
if (is_zbc()) {
return (Function)rv_crc32c_clmul;
}
#endif
+#if defined(__riscv_zvbc)
+ if (is_zvbc()) {
+ return (Function)rv_crc32c_vclmul;
+ }
+#endif
Review Comment:
The RISC-V dispatch isn't exercised in CI (x86 builds), so a test needs a
hook to reach it. Verified on hardware instead: CRC.* passes and the size split
behaves as intended. Would rather skip the hook unless maintainers want it.
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