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After some discussion, we've decided to rename the +bitperm feature flag to +sve2-bitperm, so that it's consistent with the other SVE2 feature flags. The associated internal macros already used "SVE2_BITPERM", so only the feature flag itself needs to change. 2019-07-19 Richard Sandiford <richard.sandiford@arm.com> gas/ * doc/c-aarch64.texi: Remame the +bitperm extension to +sve2-bitperm. * config/tc-aarch64.c (aarch64_features): Likewise. * testsuite/gas/aarch64/illegal-sve2-aes.d: Update accordingly. * testsuite/gas/aarch64/illegal-sve2-sha3.d: Likewise. * testsuite/gas/aarch64/illegal-sve2-sm4.d: Likewise. * testsuite/gas/aarch64/illegal-sve2.d: Likewise. * testsuite/gas/aarch64/sve2.d: Likewise.