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Inline assembler support in the compiler

The inline assembler supports ARM assembly language for all architectures, and Thumb assembly language in ARMv6T2, ARMv6M, and ARMv7.

Most ARMv7 instructions are supported by the inline assembler.

Most ARMv6 instructions are supported by the inline assembler, including the complete set of ARMv6 Single Instruction Multiple Data (SIMD) instructions.

Most ARMv5 instructions are supported by the inline assembler, including generic coprocessor instructions.

VFPv2 instructions are supported in the inline assembler.