Bug 573 - SV elwidth for multiply
Summary: SV elwidth for multiply
Status: CONFIRMED
Alias: None
Product: Libre-SOC's first SoC
Classification: Unclassified
Component: Specification (show other bugs)
Version: unspecified
Hardware: PC Linux
: --- enhancement
Assignee: Jacob Lifshay
URL:
Depends on:
Blocks:
 
Reported: 2021-01-07 18:52 GMT by Luke Kenneth Casson Leighton
Modified: 2021-01-07 19:53 GMT (History)
1 user (show)

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Description Luke Kenneth Casson Leighton 2021-01-07 18:52:35 GMT
focus on as-if.  truncate based on what's observable on a per-opcode basis

idea: precision of operations is "as if" it was infinite precision.
reality will be that operations will be truncated to fit anyway.
Comment 1 Jacob Lifshay 2021-01-07 19:53:43 GMT
This is needed to get the correct answer for saturating multiply.