a12fd8e1b1
ARMv8.3 is an architectural extension of ARMv8. Add the feature macro and -march=armv8.3-a gas command line option for the ARM target. https://community.arm.com/groups/processors/blog/2016/10/27/armv8-a-architecture-2016-additions gas/ * config/tc-arm.c (arm_archs): Add "armv8.3-a". * doc/c-arm.texi (-march): Add "armv8.3-a". include/ * opcode/arm.h (ARM_EXT2_V8_3A, ARM_AEXT2_V8_3A): New. (ARM_ARCH_V8_3A): New.