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.
crc32b
r0,
r0,
r0 crc32h
r0,
r0,
r0 crc32w
r0,
r0,
r0 crc32w
r0,
r0,
r0 instructions. crc32cb
r0,
r0,
r0 crc32ch
r0,
r0,
r0 crc32cw
r0,
r0,
r0 crc32cw
r0,
r0,
r0 instructions.
© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-4.9.3/gcc/ARM-ACLE-Intrinsics.html