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Similar to the main ISA, we convert the FPU revision into a set of feature bits. This permits a more complex set of capability relationships to be expressed more easily. For now we continue to use the traditional bitmasks. * arm.h (FPU_FL_VFPv2) New feature bit. (FPU_FL_VFPv3, FPU_FL_VFPv4, FPU_FL_VFPv5, FPU_FL_ARMv8): Likewise. (FPU_VFPv2, FPU_VFPv3, FPU_VFPv4, FPU_VFPv5, FPU_ARMv8): New helper macros. (FPU_DBL, FPU_D32, FPU_NEON, FPU_CRYPTO, FPU_FP16): Likewise. (TARGET_FPU_REV): Delete. (TARGET_VFP3): Use feature bits. (TARGET_VFP5): Likewise. (TARGET_FMA): Likewise. (TARGET_FPU_ARMV8): Likewise. (struct arm_fpu_desc): Delete rev field. * arm-fpus.def: Delete REV entry, use new feature bits and macros. * arm.c (all_fpus): Delete rev field. From-SVN: r243708
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