mirror of https://github.com/YosysHQ/yosys.git
d?ffmux -> d?ffcemux
This commit is contained in:
Eddie Hung
parent
8b8a68b38a
commit
86700c2bea
|
|
@ -14,7 +14,7 @@ state <SigSpec> argQ argD
|
|||
state <bool> ffenpol
|
||||
udata <SigSpec> dffD dffQ
|
||||
udata <SigBit> dffclock
|
||||
udata <Cell*> dff dffmux
|
||||
udata <Cell*> dff dffcemux
|
||||
udata <bool> dffenpol
|
||||
|
||||
match dsp
|
||||
|
|
@ -60,8 +60,8 @@ code argQ ffAD ffADmux ffADenpol sigA clock
|
|||
if (dff) {
|
||||
ffAD = dff;
|
||||
clock = dffclock;
|
||||
if (dffmux) {
|
||||
ffADmux = dffmux;
|
||||
if (dffcemux) {
|
||||
ffADmux = dffcemux;
|
||||
ffADenpol = dffenpol;
|
||||
}
|
||||
sigA = dffD;
|
||||
|
|
@ -109,8 +109,8 @@ code argQ ffA ffAmux ffAenpol sigA clock ffAD ffADmux ffADenpol
|
|||
if (dff) {
|
||||
ffA = dff;
|
||||
clock = dffclock;
|
||||
if (dffmux) {
|
||||
ffAmux = dffmux;
|
||||
if (dffcemux) {
|
||||
ffAmux = dffcemux;
|
||||
ffAenpol = dffenpol;
|
||||
}
|
||||
sigA = dffD;
|
||||
|
|
@ -134,8 +134,8 @@ code argQ ffB ffBmux ffBenpol sigB clock
|
|||
if (dff) {
|
||||
ffB = dff;
|
||||
clock = dffclock;
|
||||
if (dffmux) {
|
||||
ffBmux = dffmux;
|
||||
if (dffcemux) {
|
||||
ffBmux = dffcemux;
|
||||
ffBenpol = dffenpol;
|
||||
}
|
||||
sigB = dffD;
|
||||
|
|
@ -150,8 +150,8 @@ code argQ ffD ffDmux ffDenpol sigD clock
|
|||
if (dff) {
|
||||
ffD = dff;
|
||||
clock = dffclock;
|
||||
if (dffmux) {
|
||||
ffDmux = dffmux;
|
||||
if (dffcemux) {
|
||||
ffDmux = dffcemux;
|
||||
ffDenpol = dffenpol;
|
||||
}
|
||||
sigD = dffD;
|
||||
|
|
@ -166,8 +166,8 @@ code argD ffM ffMmux ffMenpol sigM sigP clock
|
|||
if (dff) {
|
||||
ffM = dff;
|
||||
clock = dffclock;
|
||||
if (dffmux) {
|
||||
ffMmux = dffmux;
|
||||
if (dffcemux) {
|
||||
ffMmux = dffcemux;
|
||||
ffMenpol = dffenpol;
|
||||
}
|
||||
sigM = dffQ;
|
||||
|
|
@ -223,8 +223,8 @@ code argD ffP ffPmux ffPenpol sigP clock
|
|||
if (dff) {
|
||||
ffP = dff;
|
||||
clock = dffclock;
|
||||
if (dffmux) {
|
||||
ffPmux = dffmux;
|
||||
if (dffcemux) {
|
||||
ffPmux = dffcemux;
|
||||
ffPenpol = dffenpol;
|
||||
}
|
||||
sigP = dffQ;
|
||||
|
|
@ -257,8 +257,8 @@ code argQ ffC ffCmux ffCenpol sigC clock
|
|||
if (dff) {
|
||||
ffC = dff;
|
||||
clock = dffclock;
|
||||
if (dffmux) {
|
||||
ffCmux = dffmux;
|
||||
if (dffcemux) {
|
||||
ffCmux = dffcemux;
|
||||
ffCenpol = dffenpol;
|
||||
}
|
||||
sigC = dffD;
|
||||
|
|
@ -301,9 +301,9 @@ code argQ
|
|||
dff = ff;
|
||||
dffD = argQ;
|
||||
dffD.replace(port(ff, \Q), port(ff, \D));
|
||||
// Only search for ffmux if ff.Q has at
|
||||
// least 3 users (ff, dsp, ffmux) and
|
||||
// its ff.D only has two (ff, ffmux)
|
||||
// Only search for ffcemux if argQ has at
|
||||
// least 3 users (ff, <upstream>, ffcemux) and
|
||||
// its ff.D only has two (ff, ffcemux)
|
||||
if (!(nusers(argQ) >= 3 && nusers(dffD) == 2))
|
||||
argQ = SigSpec();
|
||||
}
|
||||
|
|
@ -313,30 +313,30 @@ code argQ
|
|||
}
|
||||
endcode
|
||||
|
||||
match ffmux
|
||||
match ffcemux
|
||||
if !argQ.empty()
|
||||
select ffmux->type.in($mux)
|
||||
index <SigSpec> port(ffmux, \Y) === port(ff, \D)
|
||||
filter GetSize(port(ffmux, \Y)) >= GetSize(dffD)
|
||||
slice offset GetSize(port(ffmux, \Y))
|
||||
filter offset+GetSize(dffD) <= GetSize(port(ffmux, \Y))
|
||||
filter port(ffmux, \Y).extract(offset, GetSize(dffD)) == dffD
|
||||
select ffcemux->type.in($mux)
|
||||
index <SigSpec> port(ffcemux, \Y) === port(ff, \D)
|
||||
filter GetSize(port(ffcemux, \Y)) >= GetSize(dffD)
|
||||
slice offset GetSize(port(ffcemux, \Y))
|
||||
filter offset+GetSize(dffD) <= GetSize(port(ffcemux, \Y))
|
||||
filter port(ffcemux, \Y).extract(offset, GetSize(dffD)) == dffD
|
||||
choice <IdString> AB {\A, \B}
|
||||
filter offset+GetSize(argQ) <= GetSize(port(ffmux, \Y))
|
||||
filter port(ffmux, AB).extract(offset, GetSize(argQ)) == argQ
|
||||
filter offset+GetSize(argQ) <= GetSize(port(ffcemux, \Y))
|
||||
filter port(ffcemux, AB).extract(offset, GetSize(argQ)) == argQ
|
||||
define <bool> pol (AB == \A)
|
||||
set ffenpol pol
|
||||
semioptional
|
||||
endmatch
|
||||
|
||||
code
|
||||
if (ffmux) {
|
||||
dffmux = ffmux;
|
||||
if (ffcemux) {
|
||||
dffcemux = ffcemux;
|
||||
dffenpol = ffenpol;
|
||||
dffD = port(ffmux, dffenpol ? \B : \A);
|
||||
dffD = port(ffcemux, dffenpol ? \B : \A);
|
||||
}
|
||||
else
|
||||
dffmux = nullptr;
|
||||
dffcemux = nullptr;
|
||||
endcode
|
||||
|
||||
// #######################
|
||||
|
|
@ -375,12 +375,12 @@ endmatch
|
|||
|
||||
code argD
|
||||
if (ffmux) {
|
||||
dffmux = ffmux;
|
||||
dffcemux = ffmux;
|
||||
dffenpol = ffenpol;
|
||||
argD = port(ffmux, \Y);
|
||||
}
|
||||
else
|
||||
dffmux = nullptr;
|
||||
dffcemux = nullptr;
|
||||
endcode
|
||||
|
||||
match ff_enable
|
||||
|
|
@ -406,7 +406,6 @@ code
|
|||
dff = ff_enable;
|
||||
else
|
||||
dff = ff;
|
||||
log_dump("ffM", dff, dffmux);
|
||||
if (dff) {
|
||||
dffQ = port(dff, \Q);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue