From fd4018cb3339bacd868d81a3c2db49eea2030e70 Mon Sep 17 00:00:00 2001
From: Nick Gasson <nick@nickg.me.uk>
Date: Sun, 5 Oct 2008 17:08:19 +0100
Subject: [PATCH] Fix IVL_LPM_MUX where inputs are different signedness to
 outputs

---
 tgt-vhdl/lpm.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tgt-vhdl/lpm.cc b/tgt-vhdl/lpm.cc
index d827ff5b4..b37866fca 100644
--- a/tgt-vhdl/lpm.cc
+++ b/tgt-vhdl/lpm.cc
@@ -304,6 +304,10 @@ static int draw_mux_lpm(vhdl_arch *arch, ivl_lpm_t lpm)
    
    vhdl_var_ref *out = nexus_to_var_ref(scope, ivl_lpm_q(lpm, 0));
 
+   // Make sure s0 and s1 have the same type as the output
+   s0 = s0->cast(out->get_type());
+   s1 = s1->cast(out->get_type());
+
    vhdl_cassign_stmt *s = new vhdl_cassign_stmt(out, s0);
    s->add_condition(s1, t1);