Invention Grant
- Patent Title: Data processing apparatus and method for performing a narrowing-and-rounding arithmetic operation
- Patent Title (中): 用于执行缩小和舍入算术运算的数据处理装置和方法
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Application No.: US13955324Application Date: 2013-07-31
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Publication No.: US09262123B2Publication Date: 2016-02-16
- Inventor: Neil Burgess , David Raymond Lutz
- Applicant: ARM LIMITED
- Applicant Address: GB Cambridge
- Assignee: ARM Limited
- Current Assignee: ARM Limited
- Current Assignee Address: GB Cambridge
- Agency: Nixon & Vanderhye P.C.
- Main IPC: G06F7/50
- IPC: G06F7/50 ; G06F7/499 ; G06F7/506
Abstract:
A processing apparatus supports a narrowing-and-rounding arithmetic operation which generates, in response to two operands each comprising at least one W-bit data element, a result value comprising at least one X-bit result data element, with each X-bit result data element representing a sum or difference of corresponding W-bit data elements of the two operands rounded to an X-bit value (W>X). The arithmetic operation is implemented using a number of N-bit additions (N
Public/Granted literature
- US20150039665A1 DATA PROCESSING APPARATUS AND METHOD FOR PERFORMING A NARROWING-AND-ROUNDING ARITHMETIC OPERATION Public/Granted day:2015-02-05
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