* Rename X86::IMULr16 -> X86::IMULrr16
* Implement R1 = R2 * C where R1 and R2 are 32 or 16 bits. This avoids an extra copy into a register, reducing register pressure. llvm-svn: 9278
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* Implement R1 = R2 * C where R1 and R2 are 32 or 16 bits. This avoids an extra copy into a register, reducing register pressure. llvm-svn: 9278