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Re: [PATCH] new pseudo-ops .ifb/.ifnb
- From: "Jan Beulich" <JBeulich at novell dot com>
- To: <ian at airs dot com>
- Cc: <binutils at sources dot redhat dot com>
- Date: Thu, 28 Apr 2005 17:42:11 +0200
- Subject: Re: [PATCH] new pseudo-ops .ifb/.ifnb
>>> Ian Lance Taylor <ian@airs.com> 28.04.05 16:29:37 >>>
>"Jan Beulich" <JBeulich@novell.com> writes:
>
>> In preparation of adding support for macros with variable number of
>> arguments, this adds new conditional pseudo-op .ifb and .ifnb, which
>> check whether their arguments are (non-)blank / (non-)empty.
>
>I believe you can do that with .ifc and .ifnc, just by comparing to an
>empty string.
In most cases, but not in all. This is because of the special treatment of certain characters in get_mri_string (i.e. comma, semicolon) without respecting quotation, and the unability to use single quoted strings on some (most?) targets (x86 is what I'm testing with).
Jan