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Report REALCVT on $display format mistakes.

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This commit is contained in:
Wilson Snyder 2020-04-01 20:42:47 -04:00
parent bd5d4c61c6
commit 926209706f
2 changed files with 23 additions and 3 deletions
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22
src/V3Width.cpp
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@ -2843,10 +2843,17 @@ private:
case 'm': break; // %m - auto insert "name"
case 'l': break; // %m - auto insert "library"
case 'd': { // Convert decimal to either 'd' or '#'
if (argp && argp->isSigned()) { // Convert it
if (argp) {
AstNode* nextp = argp->nextp();
if (argp->isDouble()) {
spliceCvtS(argp, true, 64);
ch = '~';
}
if (argp) argp = argp->nextp();
else if (argp->isSigned()) { // Convert it
ch = '~';
}
argp = nextp;
}
break;
}
case 'p': { // Pattern
@ -2895,6 +2902,17 @@ private:
if (argp) argp = argp->nextp();
break;
}
case 'f': // FALLTHRU
case 'g': {
if (argp) {
AstNode* nextp = argp->nextp();
if (!argp->isDouble()) {
iterateCheckReal(nodep, "Display argument", argp, BOTH);
}
argp = nextp;
}
break;
}
case '?': { // Unspecified by user, guess
if (argp && argp->isDouble()) {
ch = 'g';

2
test_regress/t/t_display.v
View File

@ -171,7 +171,9 @@ multiline", $time);
$write("'%-8s'\n", "beep");
// $itord conversion bug, note a %d instead of proper float
// verilator lint_off REALCVT
$display("log10(2) = %d", $log10(100));
// verilator lint_on REALCVT
$write("*-* All Finished *-*\n");
$finish;