hardware crc32 #1134
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hardware crc32 #1134
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支持这个宏我记得并不代表平台真的支持了。你这个肯定炸编译的 |
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而且riscv这破烂根本就没办法用。就不能用任何指令。过度碎片化，根本就没办法测试。直接炸翔。 禁止一切riscv专用支持。包括simd |
麒麟上开-march=native不会开crc32，因为设备不支持，这个__builtin没有用的 |
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support:
ix86, x86_64
aarch64 (armv8a) -mcrc
riscv
loongarch