(a) Many ISAs have vector extensions where a 32-bit or 64-bit data is treated as four or...
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(a) Many ISAs have vector extensions where a 32-bit or 64-bit data is treated as four or eight smaller data elements (e.g., bytes or half-words). An add instruction then implicitly accomplishes four or eight adds. Add an instruction to the MIPS processor model shown in Figure 9-8 that adds two 32-bit numbers stored in two general-purpose registers byte by byte, such as RegA[7:0] = RegB[7:0] + RegC[7:0], RegA[15:8] = RegB[15:8] + RegC[15:8], and so forth.
(b) Create a test bench to test this instruction.
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a This solution uses Rformat encoding for the instruction with an fcode of 33 Any Rformat encoding n...View the full answer
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Related Book For
Digital Systems Design Using Verilog
ISBN: 978-1285051079
1st edition
Authors: Charles Roth, Lizy K. John, Byeong Kil Lee
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