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authorEddie Hung <eddie@fpgeh.com>2019-09-18 12:40:21 -0700
committerEddie Hung <eddie@fpgeh.com>2019-09-18 12:40:21 -0700
commitf7dbfef7926e7239d83c8e9734f3d14edea46f80 (patch)
tree97452d1922d426cf6cedab9f472c63fedb951a9b /passes
parent44bf4ac35cf9f4fa81b8c9ae7f6e2f724e11934d (diff)
parentb66c99ece042e2dcda86ffa784e927eb910168a1 (diff)
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Merge remote-tracking branch 'origin/master' into xc7dsp
Diffstat (limited to 'passes')
-rw-r--r--passes/pmgen/peepopt_dffmux.pmg26
-rw-r--r--passes/pmgen/peepopt_shiftmul.pmg5
2 files changed, 18 insertions, 13 deletions
diff --git a/passes/pmgen/peepopt_dffmux.pmg b/passes/pmgen/peepopt_dffmux.pmg
index fbabf90f0..c88a52226 100644
--- a/passes/pmgen/peepopt_dffmux.pmg
+++ b/passes/pmgen/peepopt_dffmux.pmg
@@ -42,6 +42,12 @@ code
rst = port(rstmux, rstmuxBA).as_const();
int width = GetSize(D);
+ SigSpec &ceA = cemux->connections_.at(\A);
+ SigSpec &ceB = cemux->connections_.at(\B);
+ SigSpec &ceY = cemux->connections_.at(\Y);
+ SigSpec &dffD = dff->connections_.at(\D);
+ SigSpec &dffQ = dff->connections_.at(\Q);
+
if (D[width-1] == D[width-2]) {
did_something = true;
@@ -61,12 +67,12 @@ code
}
}
- cemux->connections_.at(\A).remove(i, width-i);
- cemux->connections_.at(\B).remove(i, width-i);
- cemux->connections_.at(\Y).remove(i, width-i);
+ ceA.remove(i, width-i);
+ ceB.remove(i, width-i);
+ ceY.remove(i, width-i);
cemux->fixup_parameters();
- dff->connections_.at(\D).remove(i, width-i);
- dff->connections_.at(\Q).remove(i, width-i);
+ dffD.remove(i, width-i);
+ dffQ.remove(i, width-i);
dff->fixup_parameters();
log("dffcemux pattern in %s: dff=%s, cemux=%s; removed top %d bits.\n", log_id(module), log_id(dff), log_id(cemux), width-i);
@@ -88,11 +94,11 @@ code
if (init == State::Sx || init == D[i].data) {
count++;
module->connect(Q[i], D[i]);
- cemux->connections_.at(\A).remove(i);
- cemux->connections_.at(\B).remove(i);
- cemux->connections_.at(\Y).remove(i);
- dff->connections_.at(\D).remove(i);
- dff->connections_.at(\Q).remove(i);
+ ceA.remove(i);
+ ceB.remove(i);
+ ceY.remove(i);
+ dffD.remove(i);
+ dffQ.remove(i);
}
}
if (count > 0) {
diff --git a/passes/pmgen/peepopt_shiftmul.pmg b/passes/pmgen/peepopt_shiftmul.pmg
index e1da52182..d4748ae19 100644
--- a/passes/pmgen/peepopt_shiftmul.pmg
+++ b/passes/pmgen/peepopt_shiftmul.pmg
@@ -50,9 +50,8 @@ code
if (GetSize(const_factor_cnst) > 20)
reject;
- if (shift->type.in($shift, $shiftx))
- if (GetSize(port(shift, \Y)) > const_factor)
- reject;
+ if (GetSize(port(shift, \Y)) > const_factor)
+ reject;
int factor_bits = ceil_log2(const_factor);
SigSpec mul_din = port(mul, const_factor_port == \A ? \B : \A);