Finding the length of a set of character data having a termination character
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United States of America
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Jul 12, 2016
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N/A
app pub date -
Mar 15, 2012
filing date -
Mar 15, 2012
priority date (Note) -
Withdrawn
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Abstract
The length of character data having a termination character is determined. The character data for which the length is to be determined is loaded, in parallel, within one or more vector registers. An instruction is used that loads data in a vector register to a specified boundary, and provides a way to determine the number of characters loaded, using, for instance, another instruction. Further, an instruction is used to find the index of the first termination character, e.g., the first zero or null character. This instruction searches the data in parallel for the termination character. By using these instructions, the length of the character data is determined using only one branch instruction.
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