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Merge remote-tracking branch 'origin/master' into xc7mux

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This commit is contained in:
Eddie Hung 2019-06-18 12:19:22 -07:00
commit e5aa3feb1b
3 changed files with 15 additions and 3 deletions
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2
backends/smt2/smtio.py
View file

@ -1023,6 +1023,8 @@ class MkVcd:
assert t >= self.t
if t != self.t:
if self.t == -1:
print("$version Generated by Yosys-SMTBMC $end", file=self.f)
print("$timescale 1ns $end", file=self.f)
print("$var integer 32 t smt_step $end", file=self.f)
print("$var event 1 ! smt_clock $end", file=self.f)

2
frontends/verilog/verilog_lexer.l
View file

@ -313,7 +313,7 @@ supply1 { return TOK_SUPPLY1; }
"$"(info|warning|error|fatal) {
frontend_verilog_yylval.string = new std::string(yytext);
return TOK_ELAB_TASK;
return TOK_MSG_TASKS;
}
"$signed" { return TOK_TO_SIGNED; }

14
frontends/verilog/verilog_parser.y
View file

@ -133,7 +133,7 @@ struct specify_rise_fall {
}
%token <string> TOK_STRING TOK_ID TOK_CONSTVAL TOK_REALVAL TOK_PRIMITIVE
%token <string> TOK_SVA_LABEL TOK_SPECIFY_OPER TOK_ELAB_TASK
%token <string> TOK_SVA_LABEL TOK_SPECIFY_OPER TOK_MSG_TASKS
%token TOK_ASSERT TOK_ASSUME TOK_RESTRICT TOK_COVER TOK_FINAL
%token ATTR_BEGIN ATTR_END DEFATTR_BEGIN DEFATTR_END
%token TOK_MODULE TOK_ENDMODULE TOK_PARAMETER TOK_LOCALPARAM TOK_DEFPARAM
@ -1881,6 +1881,16 @@ behavioral_stmt:
} opt_arg_list ';'{
ast_stack.pop_back();
} |
TOK_MSG_TASKS attr {
AstNode *node = new AstNode(AST_TCALL);
node->str = *$1;
delete $1;
ast_stack.back()->children.push_back(node);
ast_stack.push_back(node);
append_attr(node, $2);
} opt_arg_list ';'{
ast_stack.pop_back();
} |
attr TOK_BEGIN opt_label {
AstNode *node = new AstNode(AST_BLOCK);
ast_stack.back()->children.push_back(node);
@ -2177,7 +2187,7 @@ gen_stmt:
delete $6;
ast_stack.pop_back();
} |
TOK_ELAB_TASK {
TOK_MSG_TASKS {
AstNode *node = new AstNode(AST_TECALL);
node->str = *$1;
delete $1;