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another multiplier fix

This commit is contained in:
Lofty 2025-09-15 12:08:00 +01:00
parent bd6e9cd3c1
commit 2452061824
1 changed files with 23 additions and 11 deletions
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34
himbaechel/uarch/gatemate/route_mult.cc
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@ -333,7 +333,8 @@ void route_mult_x1y2_upper_in1(Context *ctx, NetInfo *net, CellInfo *upper, Loc
auto sb_sml_p01_x23 =
ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("SB_SML.P01.X23")));
auto sb_sml_p01_ydiag = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("SB_SML.P01.YDIAG_int")));
auto sb_sml_p01_y1 = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("SB_SML.P01.Y1_int")));
auto sb_sml_p01_y1_int = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("SB_SML.P01.Y1_int")));
auto sb_sml_p01_y1 = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("SB_SML.P01.Y1")));
auto sb_big_d2_1 = ctx->getWireByName(IdStringList::concat(x4y1, ctx->idf("SB_BIG.P01.D2_1")));
auto sb_big_y1 = ctx->getWireByName(IdStringList::concat(x4y1, ctx->idf("SB_BIG.P01.Y1")));
auto sb_big_ydiag = ctx->getWireByName(IdStringList::concat(x4y1, ctx->idf("SB_BIG.P01.YDIAG")));
@ -345,7 +346,8 @@ void route_mult_x1y2_upper_in1(Context *ctx, NetInfo *net, CellInfo *upper, Loc
find_and_bind_downhill_pip(ctx, sb_sml_p02_ydiag_int, sb_sml_p02_ydiag, net);
find_and_bind_downhill_pip(ctx, sb_sml_p02_ydiag, sb_sml_p01_x23, net);
find_and_bind_downhill_pip(ctx, sb_sml_p01_x23, sb_sml_p01_ydiag, net);
find_and_bind_downhill_pip(ctx, sb_sml_p01_ydiag, sb_sml_p01_y1, net);
find_and_bind_downhill_pip(ctx, sb_sml_p01_ydiag, sb_sml_p01_y1_int, net);
find_and_bind_downhill_pip(ctx, sb_sml_p01_y1_int, sb_sml_p01_y1, net);
find_and_bind_downhill_pip(ctx, sb_sml_p01_y1, sb_big_d2_1, net);
find_and_bind_downhill_pip(ctx, sb_big_d2_1, sb_big_y1, net);
find_and_bind_downhill_pip(ctx, sb_big_y1, sb_big_ydiag, net);
@ -410,10 +412,14 @@ void route_mult_x1y2_upper_in8(Context *ctx, NetInfo *net, CellInfo *upper, Loc
find_and_bind_downhill_pip(ctx, out_mux_d1, out_mux_y, net); // inverting
if (is_fourgroup_a) {
auto sb_sml = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("SB_SML.P10.Y2_int")));
auto sb_sml_d0 = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("SB_SML.P10.D0")));
auto sb_sml_y2_int = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("SB_SML.P10.Y2_int")));
auto sb_sml_y2 = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("SB_SML.P10.Y2")));
find_and_bind_downhill_pip(ctx, out_mux_y, sb_sml, net);
find_and_bind_downhill_pip(ctx, sb_sml, in_mux_p10, net); // inverting
find_and_bind_downhill_pip(ctx, out_mux_y, sb_sml_d0, net);
find_and_bind_downhill_pip(ctx, sb_sml_d0, sb_sml_y2_int, net);
find_and_bind_downhill_pip(ctx, sb_sml_y2_int, sb_sml_y2, net);
find_and_bind_downhill_pip(ctx, sb_sml_y2, in_mux_p10, net);
} else {
// x2y1/OM.P10.Y is x2y1/SB_BIG.P10.D0
// x2y2/IM.P10.D1 is x2y1/SB_BIG.P10.Y2
@ -421,13 +427,19 @@ void route_mult_x1y2_upper_in8(Context *ctx, NetInfo *net, CellInfo *upper, Loc
find_and_bind_downhill_pip(ctx, out_mux_y, in_mux_p10, net); // inverting
}
auto in_mux_p12 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P12.D6"))); // aka IM.P10.Y
auto in_mux_p04 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P04.D7"))); // aka IM.P12.Y
auto in_mux_p08 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P08.D6"))); // aka IM.P04.Y
auto in_mux_p10_y = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P10.Y")));
auto in_mux_p12 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P12.D6")));
auto in_mux_p12_y = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P12.Y")));
auto in_mux_p04 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P04.D7")));
auto in_mux_p04_y = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P04.Y")));
auto in_mux_p08 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P08.D6")));
find_and_bind_downhill_pip(ctx, in_mux_p10, in_mux_p12, net); // inverting
find_and_bind_downhill_pip(ctx, in_mux_p12, in_mux_p04, net); // inverting
find_and_bind_downhill_pip(ctx, in_mux_p04, in_mux_p08, net); // inverting
find_and_bind_downhill_pip(ctx, in_mux_p10, in_mux_p10_y, net);
find_and_bind_downhill_pip(ctx, in_mux_p10_y, in_mux_p12, net);
find_and_bind_downhill_pip(ctx, in_mux_p12, in_mux_p12_y, net);
find_and_bind_downhill_pip(ctx, in_mux_p12_y, in_mux_p04, net);
find_and_bind_downhill_pip(ctx, in_mux_p04, in_mux_p04_y, net);
find_and_bind_downhill_pip(ctx, in_mux_p04_y, in_mux_p08, net);
route_mult_diag(ctx, net, Loc{loc.x + 1, loc.y + 1, 0}, in_mux_p08, 8);
}