gas:Reject ++ and --

[Nathan Sidwell]

Alan Modra wrote:
> On Sat, May 22, 2004 at 11:49:59AM -0400, Jakub Jelinek wrote:
> 
>>Still, I'm not sure I like the new gas behaviour.
> 
> 
> Yes, it's wrong.  I should have thought of the wretched preprocessor
> before allowing the patch.  x86 has some hacks to prevent whitespace
> being eaten, and "- - c" isn't turned into "--c", so the case you
> found for sparc would work on x86.  However,"+ + c" is turned into
> "++c".  See tc-i386.c:extra_symbol_chars.
> 
> Really, the preprocessor should never completely consume whitespace,
> but curing that will no doubt expose many places in target files that
> expect all whitespace to be eaten.  Until someone spends the time to
> rewrite the preprocessor, I think Nathan's patch should be reverted.
I agree. I'll have to find another way ...

nathan

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