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llvm-project/llvm/test/MC/Disassembler/ARM/csdb-arm.txt

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[ARM][AArch64] Add CSDB speculation barrier instruction This adds the CSDB instruction, which is a new barrier instruction described by the whitepaper at [1]. This is in encoding space which was previously executed as a NOP, so it is available for all targets that have the relevant NOP encoding space. This matches the binutils behaviour for these instructions [2][3]. [1] https://developer.arm.com/support/security-update [2] https://sourceware.org/ml/binutils/2018-01/msg00116.html [3] https://sourceware.org/ml/binutils/2018-01/msg00120.html llvm-svn: 324324
2018-02-06 17:24:47 +08:00
# RUN: llvm-mc < %s -triple armv8a-none-eabi -disassemble | FileCheck %s
[0x14,0xf0,0x20,0xe3]
# CHECK: csdb