4cf27cc968
This is not symmetric with add/sub, accepting ZR instead of CSP. TEST=vm/cc/Assembler_CmpExtReg, dartfuzz Bug: https://github.com/dart-lang/sdk/issues/60092 Change-Id: Icc24f7883a113eac504fd8fc29c0d6f781cb7657 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/408901 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>