The hack in gas/app.c that allows both '/' and '/*' comments for i386 targets
only works when '/' is specified in the line_comment_chars array, not when it's
in the comment_chars array. These arrays are defined in gas/config/tc-i386.c,
and the array that '/' ends up in is OS dependant.
The bug could be solved by using the same hack in both cases. For convenience,
here's the relevant code:
case LEX_IS_LINE_COMMENT_START:
/* FIXME-someday: The two character comment stuff was badly
thought out. On i386, we want '/' as line comment start
AND we want C style comments. hence this hack. The
whole lexical process should be reworked. xoxorich. */
if (ch == '/')
{
ch2 = GET ();
if (ch2 == '*')
{
old_state = 3;
state = -2;
break;
}
else
{
UNGET (ch2);
}
}
--
Summary: Slash-star comments don't work for some x86 targets
Product: binutils
Version: 2.16
Status: NEW
Severity: normal
Priority: P2
Component: gas
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: caffer at cs dot ucc dot ie
CC: bug-binutils at gnu dot org
GCC target triplet: i386-*-*
http://sourceware.org/bugzilla/show_bug.cgi?id=2971
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