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authorClifford Wolf <clifford@clifford.at>2013-11-24 17:37:27 +0100
committerClifford Wolf <clifford@clifford.at>2013-11-24 17:37:27 +0100
commit0ef22c76095bcca8ac7cacfc32e4ce6dd552addf (patch)
treebd6b604cf13f8f035af64c249a8204e3b10e35ee
parent7eaad2218dab9feec82e8ffe7adbc58463cadb7d (diff)
Added support for signed parameters in ilang
-rw-r--r--backends/ilang/ilang_backend.cc2
-rw-r--r--frontends/ilang/lexer.l1
-rw-r--r--frontends/ilang/parser.y8
3 files changed, 9 insertions, 2 deletions
diff --git a/backends/ilang/ilang_backend.cc b/backends/ilang/ilang_backend.cc
index b51b3f88..57370841 100644
--- a/backends/ilang/ilang_backend.cc
+++ b/backends/ilang/ilang_backend.cc
@@ -155,7 +155,7 @@ void ILANG_BACKEND::dump_cell(FILE *f, std::string indent, const RTLIL::Cell *ce
}
fprintf(f, "%s" "cell %s %s\n", indent.c_str(), cell->type.c_str(), cell->name.c_str());
for (auto it = cell->parameters.begin(); it != cell->parameters.end(); it++) {
- fprintf(f, "%s parameter %s ", indent.c_str(), it->first.c_str());
+ fprintf(f, "%s parameter%s %s ", indent.c_str(), cell->signed_parameters.count(it->first) ? " signed" : "", it->first.c_str());
dump_const(f, it->second);
fprintf(f, "\n");
}
diff --git a/frontends/ilang/lexer.l b/frontends/ilang/lexer.l
index 287f9dbf..d582d041 100644
--- a/frontends/ilang/lexer.l
+++ b/frontends/ilang/lexer.l
@@ -39,6 +39,7 @@
"module" { return TOK_MODULE; }
"attribute" { return TOK_ATTRIBUTE; }
"parameter" { return TOK_PARAMETER; }
+"signed" { return TOK_SIGNED; }
"wire" { return TOK_WIRE; }
"memory" { return TOK_MEMORY; }
"width" { return TOK_WIDTH; }
diff --git a/frontends/ilang/parser.y b/frontends/ilang/parser.y
index 71c63bc4..54c2280a 100644
--- a/frontends/ilang/parser.y
+++ b/frontends/ilang/parser.y
@@ -54,7 +54,7 @@ using namespace ILANG_FRONTEND;
%token TOK_CELL TOK_CONNECT TOK_SWITCH TOK_CASE TOK_ASSIGN TOK_SYNC
%token TOK_LOW TOK_HIGH TOK_POSEDGE TOK_NEGEDGE TOK_EDGE TOK_ALWAYS TOK_INIT
%token TOK_UPDATE TOK_PROCESS TOK_END TOK_INVALID TOK_EOL TOK_OFFSET
-%token TOK_PARAMETER TOK_ATTRIBUTE TOK_MEMORY TOK_SIZE
+%token TOK_PARAMETER TOK_ATTRIBUTE TOK_MEMORY TOK_SIZE TOK_SIGNED
%type <sigspec> sigspec sigspec_list
%type <integer> sync_type
@@ -189,6 +189,12 @@ cell_body:
free($3);
delete $4;
} |
+ cell_body TOK_PARAMETER TOK_SIGNED TOK_ID constant TOK_EOL {
+ current_cell->parameters[$4] = *$5;
+ current_cell->signed_parameters.insert($4);
+ free($4);
+ delete $5;
+ } |
cell_body TOK_CONNECT TOK_ID sigspec TOK_EOL {
if (current_cell->connections.count($3) != 0)
rtlil_frontend_ilang_yyerror("scope error");