A novel mixed signal 32-bit rotator/shifter circuit design enabling ultra-short latency Intel® Netburst™ rotate and shift instructions is described. Compared to previous generation Intel® Pentium® 4 processor designs, this implementation cuts Rotate/Shift latency and throughput by 75% while adding significant frequency headroom. The circuit manufactured on Intel's 90nm process confirms a significant boost in integer performance.
Published in:
VLSI Circuits, 2004. Digest of Technical Papers. 2004 Symposium on
Date of Conference: 17-19 June 2004