Prefetch sda symbol fix
Add HS to bfd
Typo
Refactoring
Infrastructure needed to add HS instructions (and adding XBFU)
Add STD/LDD ops
Select the proper register names for HS
Hard error when mixing ARCv2EM with ARCv2HS
Add HS instructions:  DMACH, DMACHU, DMPY, DMPYHU, MAC, MACU,VADDSUB2H, VSUB2H, and VSUBADD2H
Add all HS integral operations
Add VADD2H
 Add HS support
Fix AEX pattern for aux regs
Add HS floating point instructions
Add ACCL,ACCH registers for ARCv2
Selective truncate last bits of a pc relative relocation
Truncate all pc-relative relocation but  R_ARC_PC32  R_ARC_32_ME