6.57.7 ARM ACLE Intrinsics
6.57.7.1 CRC32 intrinsics
These intrinsics are available when the CRC32 architecture extension is
specified, e.g. when the -march=armv8-a+crc switch is used, or when
the target processor specified with -mcpu supports it.
- uint32_t __crc32b (uint32_t, uint8_t)
Form of expected instruction(s): crc32b
r0,
r0,
r0
- uint32_t __crc32h (uint32_t, uint16_t)
Form of expected instruction(s): crc32h
r0,
r0,
r0
- uint32_t __crc32w (uint32_t, uint32_t)
Form of expected instruction(s): crc32w
r0,
r0,
r0
- uint32_t __crc32d (uint32_t, uint64_t)
Form of expected instruction(s): Two crc32w
r0,
r0,
r0
instructions.
- uint32_t __crc32cb (uint32_t, uint8_t)
Form of expected instruction(s): crc32cb
r0,
r0,
r0
- uint32_t __crc32ch (uint32_t, uint16_t)
Form of expected instruction(s): crc32ch
r0,
r0,
r0
- uint32_t __crc32cw (uint32_t, uint32_t)
Form of expected instruction(s): crc32cw
r0,
r0,
r0
- uint32_t __crc32cd (uint32_t, uint64_t)
Form of expected instruction(s): Two crc32cw
r0,
r0,
r0
instructions.