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Add IVL_LPM_CMP_EEQ support

This commit is contained in:
Nick Gasson 2008-07-16 12:50:55 +01:00
parent 4504c2bceb
commit 646a6056a2
1 changed files with 17 additions and 0 deletions
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17
tgt-vhdl/lpm.cc
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@ -118,6 +118,21 @@ static vhdl_expr *binop_lpm_to_expr(vhdl_scope *scope, ivl_lpm_t lpm, vhdl_binop
return expr;
}
static vhdl_expr *rel_lpm_to_expr(vhdl_scope *scope, ivl_lpm_t lpm, vhdl_binop_t op)
{
vhdl_binop_expr *expr = new vhdl_binop_expr(op, vhdl_type::boolean());
for (int i = 0; i < 2; i++) {
vhdl_expr *e = nexus_to_var_ref(scope, ivl_lpm_data(lpm, i));
if (NULL == e)
return NULL;
expr->add_expr(e);
}
return expr;
}
static vhdl_expr *part_select_vp_lpm_to_expr(vhdl_scope *scope, ivl_lpm_t lpm)
{
vhdl_var_ref *selfrom = nexus_to_var_ref(scope, ivl_lpm_data(lpm, 0));
@ -230,6 +245,8 @@ static vhdl_expr *lpm_to_expr(vhdl_scope *scope, ivl_lpm_t lpm)
return binop_lpm_to_expr(scope, lpm, VHDL_BINOP_MULT);
case IVL_LPM_CONCAT:
return concat_lpm_to_expr(scope, lpm);
case IVL_LPM_CMP_EEQ:
return rel_lpm_to_expr(scope, lpm, VHDL_BINOP_EQ);
case IVL_LPM_PART_VP:
return part_select_vp_lpm_to_expr(scope, lpm);
case IVL_LPM_PART_PV: