Apparatus for processing register window overflow and underflow

An apparatus for processing a register window overflow and underflow includes register windows each configured to include local registers and incoming registers, dedicated internal memories configured to store contents of the local registers and the incoming registers for each word, dedicated data b...

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Bibliographic Details
Main Authors JUNG HEE-BUM, BYUN KYUNG JIN, EUM NAK WOONG
Format Patent
LanguageEnglish
Published 15.12.2015
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:An apparatus for processing a register window overflow and underflow includes register windows each configured to include local registers and incoming registers, dedicated internal memories configured to store contents of the local registers and the incoming registers for each word, dedicated data buses configured to connect the local registers and the incoming registers and the respective dedicated internal memories, a memory word counter configured to perform counting in order to determine whether or not there is a storage space of a word unit in the dedicated internal memories, and a logic block configured to control an operation of the dedicated data buses when one of a window overflow and a window underflow is generated based on the count value of the memory word counter.
Bibliography:Application Number: US201213564325