Allow underscore in labels.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

2 files changed, 2 insertions, 2 deletions

diff --git a/qtmips_gui/fixmatheval.cpp b/qtmips_gui/fixmatheval.cpp
index c06d892..8852938 100644
--- a/qtmips_gui/fixmatheval.cpp
+++ b/qtmips_gui/fixmatheval.cpp
@@ -199,7 +199,7 @@ bool FmeExpression::parse(const QString &expression, QString &error) {
         QChar ch = 0;
         if (i < expression.size())
             ch = expression.at(i);
-        if(!ch.isLetterOrNumber()|| (i >= expression.size())) {
+        if(!(ch.isLetterOrNumber() || (ch == '_')) || (i >= expression.size())) {
             if (in_word) {
                 FmeNode *new_node = nullptr;
                 QString word = expression.mid(word_start, i - word_start);
diff --git a/qtmips_machine/instruction.cpp b/qtmips_machine/instruction.cpp
index 3713cdb..cfa0f1a 100644
--- a/qtmips_machine/instruction.cpp
+++ b/qtmips_machine/instruction.cpp
@@ -1114,7 +1114,7 @@ static void reloc_append(RelocExpressionList *reloc, QString fl, uint32_t inst_a
         QChar ch = fl.at(i);
         if (ch.isSpace())
             continue;
-        if (ch.isLetterOrNumber())
+        if (ch.isLetterOrNumber() || (ch == '_'))
             expression.append(ch);
         else if (allowed_operators.indexOf(ch) >= 0)
             expression.append(ch);