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(parent: f3cf65c) | patch
Add 2 more instructions to help with 2-coeff butterfly
authorKonstantinos Margaritis <konstantinos.margaritis@vectorcamp.gr>
Thu, 4 May 2023 14:11:31 +0000 (14:11 +0000)
committerLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Fri, 2 Jun 2023 18:51:17 +0000 (19:51 +0100)
commit38ac841f866597168869882ac919c1d943bc65a3
treea0869b5753ad08d20568178dea34ec7988098e6atree
parentf3cf65caf04bc7227da8e87d11b033eb58bc7437commit | diff
Add 2 more instructions to help with 2-coeff butterfly
fdct_round_shift(a*c1 +/- b*c2)
They are to be used complementary to maddsubrs, so one can now
do this calculation in 3 instructions.
Added some unit tests to demonstrate the operation.
openpower/isa/butterfly.mdwn diff | blob | history
openpower/isatables/RM-1P-2S1D.csv diff | blob | history
openpower/isatables/minor_22.csv diff | blob | history
src/openpower/decoder/isa/caller.py diff | blob | history
src/openpower/decoder/power_decoder2.py diff | blob | history
src/openpower/decoder/power_enums.py diff | blob | history
src/openpower/test/alu/maddsubrs_cases.py diff | blob | history