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vlog95: Note that casex (==?) and casez (synthesis) operators are not supported

This commit is contained in:
Cary R 2014-07-06 17:12:29 -07:00
parent 0611135758
commit 47ddb18d54
1 changed files with 27 additions and 1 deletions
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28
tgt-vlog95/logic_lpm.c
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2011-2013 Cary R. (cygcary@yahoo.com)
* Copyright (C) 2011-2014 Cary R. (cygcary@yahoo.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -332,6 +332,8 @@ static ivl_nexus_t get_lpm_output(ivl_scope_t scope, ivl_lpm_t lpm)
case IVL_LPM_CAST_REAL:
case IVL_LPM_CMP_EEQ:
case IVL_LPM_CMP_EQ:
case IVL_LPM_CMP_EQX:
case IVL_LPM_CMP_EQZ:
case IVL_LPM_CMP_GE:
case IVL_LPM_CMP_GT:
case IVL_LPM_CMP_NE:
@ -992,6 +994,30 @@ static void emit_lpm_as_ca(ivl_scope_t scope, ivl_lpm_t lpm,
emit_nexus_as_ca(scope, ivl_lpm_data(lpm, 1), 0, 0);
fprintf(vlog_out, ")");
break;
case IVL_LPM_CMP_EQX:
// HERE: Need to heck that this is not a real nexus.
fprintf(vlog_out, "(");
emit_nexus_as_ca(scope, ivl_lpm_data(lpm, 0), 0, 0);
fprintf(vlog_out, " ==? ");
emit_nexus_as_ca(scope, ivl_lpm_data(lpm, 1), 0, 0);
fprintf(vlog_out, ")");
fprintf(stderr, "%s:%u: vlog95 error: Compare wildcard equal "
"operator is not supported.\n",
ivl_lpm_file(lpm), ivl_lpm_lineno(lpm));
vlog_errors += 1;
break;
case IVL_LPM_CMP_EQZ:
// HERE: Need to heck that this is not a real nexus.
fprintf(vlog_out, "(");
emit_nexus_as_ca(scope, ivl_lpm_data(lpm, 0), 0, 0);
fprintf(vlog_out, " == ");
emit_nexus_as_ca(scope, ivl_lpm_data(lpm, 1), 0, 0);
fprintf(vlog_out, ")");
fprintf(stderr, "%s:%u: vlog95 error: Compare equal Z (caseZ) "
"operator is not supported.\n",
ivl_lpm_file(lpm), ivl_lpm_lineno(lpm));
vlog_errors += 1;
break;
case IVL_LPM_CMP_GE:
fprintf(vlog_out, "(");
emit_nexus_as_ca(scope, ivl_lpm_data(lpm, 0), 0, 0);