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Restrictions on inline assembler support in the compiler

The inline assembler in the compiler does not support:

  • Thumb assembly language in ARMv6 and lower architectures

  • VFP instructions in VFPv3 or higher

  • NEON instructions

  • the ARMv6 SETEND instruction and some of the system extensions

  • ARMv5 BX, BLX, and BXJ instructions.