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| author | Tristan Gingold <tgingold@free.fr> | 2020-02-10 07:00:31 +0100 |
|---|---|---|
| committer | Tristan Gingold <tgingold@free.fr> | 2020-02-10 07:00:31 +0100 |
| commit | 8f4dda3ded16f2604c070736cbde8849774755a8 (patch) | |
| tree | f4f59e0760faf79d9d9f7a625991df655599c8bc /src/synth/netlists-memories.ads | |
| parent | 0f7aa39d2c423b27519b541ae04648d5b3277ffd (diff) | |
| download | ghdl-8f4dda3ded16f2604c070736cbde8849774755a8.tar.gz ghdl-8f4dda3ded16f2604c070736cbde8849774755a8.tar.bz2 ghdl-8f4dda3ded16f2604c070736cbde8849774755a8.zip | |
synth: rework (again) memory inference.
Preliminary work to support multi-clock memories.
Strengthen and fix fallout of Check_Connected.
Rename synth.inference to netlists.inference.
Diffstat (limited to 'src/synth/netlists-memories.ads')
| -rw-r--r-- | src/synth/netlists-memories.ads | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/synth/netlists-memories.ads b/src/synth/netlists-memories.ads index b6b487bf7..8d5e7739e 100644 --- a/src/synth/netlists-memories.ads +++ b/src/synth/netlists-memories.ads @@ -27,4 +27,11 @@ package Netlists.Memories is -- Count the number of memidx in a memory address. function Count_Memidx (Addr : Net) return Natural; + -- True iff a RAM can be infered from VAL (the input of an assignment). + -- TODO: handle partial write (offset) + -- TODO: directly check with assignment target. + function Can_Infere_RAM (Val : Net; Prev_Val : Net) return Boolean; + + -- Transform VAL to a RAM. + function Infere_RAM (Ctxt : Context_Acc; Val : Net) return Net; end Netlists.Memories; |