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Implement IVL_LPM_REPEAT

This commit is contained in:
Nick Gasson 2008-08-18 15:34:58 +01:00
parent 86661c1538
commit 7865264de0
1 changed files with 8 additions and 0 deletions
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8
tgt-vhdl/lpm.cc
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@ -218,6 +218,12 @@ static vhdl_expr *shift_lpm_to_expr(vhdl_scope *scope, ivl_lpm_t lpm,
return new vhdl_binop_expr(lhs, shift_op, r_cast, rtype);
}
static vhdl_expr *repeat_lpm_to_expr(vhdl_scope *scope, ivl_lpm_t lpm)
{
vhdl_expr *in = nexus_to_var_ref(scope, ivl_lpm_data(lpm, 0));
return new vhdl_bit_spec_expr(NULL, in);
}
static vhdl_expr *lpm_to_expr(vhdl_scope *scope, ivl_lpm_t lpm)
{
switch (ivl_lpm_type(lpm)) {
@ -264,6 +270,8 @@ static vhdl_expr *lpm_to_expr(vhdl_scope *scope, ivl_lpm_t lpm)
return shift_lpm_to_expr(scope, lpm, VHDL_BINOP_SL);
case IVL_LPM_SHIFTR:
return shift_lpm_to_expr(scope, lpm, VHDL_BINOP_SR);
case IVL_LPM_REPEAT:
return repeat_lpm_to_expr(scope, lpm);
default:
error("Unsupported LPM type: %d", ivl_lpm_type(lpm));
return NULL;