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| author | Clifford Wolf <clifford@clifford.at> | 2014-07-16 12:23:47 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2014-07-16 12:49:50 +0200 |
| commit | 543551b80a257ce0d55ce2d97fed165da7750360 (patch) | |
| tree | 13dadaf5c36fc6af78a45e5c07a584ae1adc281c /frontends | |
| parent | 765f172211c8d7d8f14b6010193d8b53f5ec5e8f (diff) | |
| download | yosys-543551b80a257ce0d55ce2d97fed165da7750360.tar.gz yosys-543551b80a257ce0d55ce2d97fed165da7750360.tar.bz2 yosys-543551b80a257ce0d55ce2d97fed165da7750360.zip | |
changes in verilog frontend for new $mem/$memwr WR_EN interface
Diffstat (limited to 'frontends')
| -rw-r--r-- | frontends/ast/genrtlil.cc | 3 | ||||
| -rw-r--r-- | frontends/ast/simplify.cc | 10 |
2 files changed, 6 insertions, 7 deletions
diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc index 787f4d2d8..a2fdcf8b1 100644 --- a/frontends/ast/genrtlil.cc +++ b/frontends/ast/genrtlil.cc @@ -1287,9 +1287,6 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint) cell->connections["\\DATA"] = children[1]->genWidthRTLIL(current_module->memories[str]->width); cell->connections["\\EN"] = children[2]->genRTLIL(); - if (cell->connections["\\EN"].width > 1) - cell->connections["\\EN"] = uniop2rtlil(this, "$reduce_bool", 1, cell->connections["\\EN"], false); - cell->parameters["\\MEMID"] = RTLIL::Const(str); cell->parameters["\\ABITS"] = RTLIL::Const(addr_bits); cell->parameters["\\WIDTH"] = RTLIL::Const(current_module->memories[str]->width); diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index e547ede36..ba0dca139 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -1177,17 +1177,19 @@ skip_dynamic_range_lvalue_expansion:; current_scope[wire_data->str] = wire_data; while (wire_data->simplify(true, false, false, 1, -1, false, false)) { } - AstNode *wire_en = new AstNode(AST_WIRE); + AstNode *wire_en = new AstNode(AST_WIRE, new AstNode(AST_RANGE, mkconst_int(mem_width-1, true), mkconst_int(0, true))); wire_en->str = id_en; current_ast_mod->children.push_back(wire_en); current_scope[wire_en->str] = wire_en; while (wire_en->simplify(true, false, false, 1, -1, false, false)) { } - std::vector<RTLIL::State> x_bits_addr, x_bits_data; + std::vector<RTLIL::State> x_bits_addr, x_bits_data, set_bits_en; for (int i = 0; i < addr_bits; i++) x_bits_addr.push_back(RTLIL::State::Sx); for (int i = 0; i < mem_width; i++) x_bits_data.push_back(RTLIL::State::Sx); + for (int i = 0; i < mem_width; i++) + set_bits_en.push_back(RTLIL::State::S1); AstNode *assign_addr = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_bits(x_bits_addr, false)); assign_addr->children[0]->str = id_addr; @@ -1195,7 +1197,7 @@ skip_dynamic_range_lvalue_expansion:; AstNode *assign_data = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_bits(x_bits_data, false)); assign_data->children[0]->str = id_data; - AstNode *assign_en = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_int(0, false, 1)); + AstNode *assign_en = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_int(0, false, mem_width)); assign_en->children[0]->str = id_en; AstNode *default_signals = new AstNode(AST_BLOCK); @@ -1210,7 +1212,7 @@ skip_dynamic_range_lvalue_expansion:; assign_data = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), children[1]->clone()); assign_data->children[0]->str = id_data; - assign_en = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_int(1, false, 1)); + assign_en = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_bits(set_bits_en, false)); assign_en->children[0]->str = id_en; newNode = new AstNode(AST_BLOCK); |