luke
/
nextpnr
mirror of https://github.com/YosysHQ/nextpnr.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

add addf support

This commit is contained in:
Miodrag Milanovic 2025-12-04 09:54:41 +01:00
parent 7109712b4d
commit 77e1c73c0a
2 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
himbaechel/uarch/gatemate/gatemate.cc
View File

@ -661,7 +661,7 @@ void GateMateImpl::postRoute()
cell.second->params[id_C_I4] = Property(1,1);
}
if (cell.second->type.in(id_CPE_MX4)) {
if (cell.second->type.in(id_CPE_MX4, id_CPE_ADDF, id_CPE_ADDF2)) {
//printf("\n");
cfg.clear();
port_mapping.clear();

8
himbaechel/uarch/gatemate/pack_cpe.cc
View File

@ -614,8 +614,8 @@ void GateMatePacker::pack_addf()
bool merged = cy->type != id_CC_ADDF;
if (merged) {
merge_input(cy, cy, id_A2, id_INIT_L02, id_IN1, id_IN2); // IN5,IN6
merge_input(cy, cy, id_B2, id_INIT_L03, id_IN3, id_IN4); // IN7,IN8
merge_input(cy, cy, id_A2, id_INIT_L02, id_D0_02, id_D1_02); // IN5,IN6
merge_input(cy, cy, id_B2, id_INIT_L03, id_D0_03, id_D1_03); // IN7,IN8
cy->params[id_INIT_L11] = Property(LUT_XOR, 4);
} else {
cy->params[id_INIT_L02] = Property(LUT_ZERO, 4);
@ -642,8 +642,8 @@ void GateMatePacker::pack_addf()
cy->renamePort(id_S, id_OUT);
}
merge_dff(cy, id_OUT, other_dff);
merge_input(cy, upper, id_A, id_INIT_L00, id_IN1, id_IN2);
merge_input(cy, upper, id_B, id_INIT_L01, id_IN3, id_IN4);
merge_input(cy, upper, id_A, id_INIT_L00, id_D0_00, id_D1_00);
merge_input(cy, upper, id_B, id_INIT_L01, id_D0_01, id_D1_01);
upper->params[id_INIT_L10] = Property(LUT_XOR, 4);
upper->params[id_C_FUNCTION] = Property(merged ? C_ADDF2 : C_ADDF, 3);