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memory_bram: Reuse extract_rdff helper for make_outreg.

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Also properly skip read ports with init value or reset when not making
use of make_outreg.  Proper support for matching those will land later.
This commit is contained in:
Marcelina Kościelnicka 2021-05-25 19:31:53 +02:00
parent 0795b3ec07
commit 18806f1ef6
5 changed files with 52 additions and 40 deletions
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8
tests/arch/ecp5/lutram.ys
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@ -11,9 +11,9 @@ sat -verify -prove-asserts -seq 5 -set-init-zero -show-inputs -show-outputs mite
design -load postopt
cd lutram_1w1r
select -assert-count 24 t:L6MUX21
select -assert-count 71 t:LUT4
select -assert-count 32 t:PFUMX
select -assert-count 8 t:L6MUX21
select -assert-count 36 t:LUT4
select -assert-count 16 t:PFUMX
select -assert-count 8 t:TRELLIS_DPR16X4
select -assert-count 35 t:TRELLIS_FF
select -assert-count 8 t:TRELLIS_FF
select -assert-none t:L6MUX21 t:LUT4 t:PFUMX t:TRELLIS_DPR16X4 t:TRELLIS_FF %% t:* %D