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

Add equality operator

This commit is contained in:
Nick Gasson 2008-06-16 12:20:28 +01:00
parent 92c823680a
commit 849e7cb4d5
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
tgt-vhdl/expr.cc
View File

@ -116,6 +116,12 @@ static vhdl_expr *translate_numeric(vhdl_expr *lhs, vhdl_expr *rhs,
return new vhdl_binop_expr(lhs, op, rhs, vhdl_type::nsigned(lwidth)); return new vhdl_binop_expr(lhs, op, rhs, vhdl_type::nsigned(lwidth));
} }
static vhdl_expr *translate_relation(vhdl_expr *lhs, vhdl_expr *rhs,
vhdl_binop_t op)
{
return new vhdl_binop_expr(lhs, op, rhs, vhdl_type::boolean());
}
static vhdl_expr *translate_binary(ivl_expr_t e) static vhdl_expr *translate_binary(ivl_expr_t e)
{ {
vhdl_expr *lhs = translate_expr(ivl_expr_oper1(e)); vhdl_expr *lhs = translate_expr(ivl_expr_oper1(e));
@ -129,6 +135,8 @@ static vhdl_expr *translate_binary(ivl_expr_t e)
switch (ivl_expr_opcode(e)) { switch (ivl_expr_opcode(e)) {
case '+': case '+':
return translate_numeric(lhs, rhs, VHDL_BINOP_ADD); return translate_numeric(lhs, rhs, VHDL_BINOP_ADD);
case 'e':
return translate_relation(lhs, rhs, VHDL_BINOP_EQ);
default: default:
error("No translation for binary opcode '%c'\n", error("No translation for binary opcode '%c'\n",
ivl_expr_opcode(e)); ivl_expr_opcode(e));