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Fix XLEN != 64 cases where maddsubrs fails
[openpower-isa.git]
/
openpower
/
isa
/
butterfly.mdwn
2023-12-22
Konstantinos Marga...
Fix XLEN != 64 cases where maddsubrs fails
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2023-06-02
Konstantinos Marga...
merge maddrs/msubrs, unit tests changed accordingly
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2023-06-02
Konstantinos Marga...
Add 2 more instructions to help with 2-coeff butterfly
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2023-06-02
Konstantinos Marga...
use a simpler way to do the same thing
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2023-06-02
Konstantinos Marga...
Handle large 64-bit values, but only the low 64-bit...
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2023-06-02
Konstantinos Marga...
do proper rounding, no rounding for SH=0 (for now)...
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2023-06-02
Konstantinos Marga...
Result needs rounding so add +1 to prod*
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2023-06-02
Konstantinos Marga...
handle negatives correctly by adding sign bit to final...
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2023-06-02
Konstantinos Marga...
almost there, positive values work, negative values...
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2023-06-02
Konstantinos Marga...
use proper register sizes
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2023-06-02
Konstantinos Marga...
MULS instead of MUL, RA instead of RT in in1
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2023-06-02
Konstantinos Marga...
Turns out DCTI-Form is another variant of A-Form
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2023-06-02
Konstantinos Marga...
minor fixes in pseudocode, CONST_UI->CONST_SH in minor_...
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2023-06-02
Konstantinos Marga...
WIP: maddsubrs initial approach
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