Bug 549

Summary: document the logical partitioned signal operators xor some and all
Product: Libre-SOC's first SoC Reporter: Luke Kenneth Casson Leighton <lkcl>
Component: DocumentationAssignee: Luke Kenneth Casson Leighton <lkcl>
Status: RESOLVED FIXED    
Severity: enhancement CC: libre-soc-bugs, ps905
Priority: ---    
Version: unspecified   
Hardware: Other   
OS: Linux   
See Also: https://bugs.libre-soc.org/show_bug.cgi?id=176
https://bugs.libre-soc.org/show_bug.cgi?id=115
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Bug Blocks: 384    

Description Luke Kenneth Casson Leighton 2020-12-18 19:15:07 GMT
https://libre-soc.org/3d_gpu/architecture/dynamic_simd/logicops/

how these operators work requires documenting
Comment 1 Luke Kenneth Casson Leighton 2020-12-28 15:20:53 GMT
partition:     P    P    P     (3 bits)
a        : .... .... .... .... (32 bits)
xor-a    : x0  P x1 P x2 P x3  (4+3 bits, P=1 if no partition)

added an adapted version from add page