Boots – shoes – and leggings
Patent
1991-08-30
1993-12-07
Lee, Thomas C.
Boots, shoes, and leggings
395800, 364DIG1, 3642318, 364263, G06F 938
Patent
active
052690083
ABSTRACT:
A data processor which includes a pipeline processing unit that processes instructions, including a POP instruction. The POP instruction includes a destination operand field and has a stack top as a source. The destination for the POP instruction can be register or a memory location. The pipeline processing unit is capable of performing pre-processing with respect to both the source and destination operands prior to execution by an execution stage of the pipeline processing unit. When the destination is a memory location, pre-processing of the destination uses information from the destination operand field. When the destination operand is a general register, steps for pre-processing of the destination are merged prior to the execution stage. Pre-processing of the source uses information from the stackpointer and is conducted prior to the execution phase in response to the decoding of the operation code field of the POP instruction.
REFERENCES:
patent: 4305124 (1981-12-01), Marro et al.
patent: 4398245 (1983-08-01), Fujita
patent: 4454578 (1984-06-01), Matsumoto et al.
patent: 4974158 (1990-11-01), Watanabe et al.
Kobayashi Souichi
Matuo Masahito
Lee Thomas C.
Loomis John C.
Mitsubishi Denki & Kabushiki Kaisha
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