Program conversion apparatus for constant reconstructing VLIW processor
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United States of America Patent
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Apr 2, 2002
Grant Date -
N/A
app pub date -
Aug 28, 1998
filing date -
Aug 29, 1997
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Abstract
A program conversion apparatus includes: the constant division unit 12 for specifying instructions in the serial assembler code 42 that use large constants which cannot be arranged within the operation fields of object VLIWs and for dividing the specified instructions into divided constant use instructions for storing pieces of the large constants into the specialized constant buffer 107 of a VLIW processor and divided constant use instructions for performing operations using the stored constants; the dependence graph generation unit 20 for generating a dependence graph based on the execution order of each instruction in the serial assembler code 42 after the division process by the constant division unit 12; and the instruction relocation unit 21 for relocating the instructions according to the dependence graph to generate parallel assembler code.
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