Re: remove redundant semicolons for ANSI compat.

[Joel Parker]

On Sat, 2007-01-13 at 21:19 +0100, Michael Stefaniuc wrote:
> Joel Parker wrote:
> > Bug 4527
> > > From 205f7fdd9a63409014a322318aba3fd77ec90f47 Mon Sep 17 00:00:00 2001
> >
> > From: Joel Parker <joeljkp@joel-laptop.(none)>
> > Date: Fri, 12 Jan 2007 17:26:47 -0600
> > Subject: remove redundant semicolons for ANSI compat.
> > @@ -636,17 +636,17 @@ #define DEFINE_SMapLS(n) \
> >                       "movl " #n "(%ebp),%eax\n\t" \
> >                       "call " __ASM_NAME("SMapLS") "\n\t" \
> >                       "movl %edx," #n "(%ebp)\n\t" \
> > -
> >                 "ret" );
> > -
> >                 "ret" )
> >
> > -DEFINE_SMapLS(8);
> > -DEFINE_SMapLS(12);
> > -DEFINE_SMapLS(16);
> > -DEFINE_SMapLS(20);
> > -DEFINE_SMapLS(24);
> > -DEFINE_SMapLS(28);
> > -DEFINE_SMapLS(32);
> > -DEFINE_SMapLS(36);
> > -DEFINE_SMapLS(40);
> > +DEFINE_SMapLS(8)
> > +DEFINE_SMapLS(12)
> > +DEFINE_SMapLS(16)
> > +DEFINE_SMapLS(20)
> > +DEFINE_SMapLS(24)
> > +DEFINE_SMapLS(28)
> > +DEFINE_SMapLS(32)
> > +DEFINE_SMapLS(36)
> > +DEFINE_SMapLS(40)
>
> Are you sure this compiles? You removed the semicolon in the macro
> definition and when it is used. And even if it compiles the code needs
> to look like C code.

Yes, it compiles. For some reason there's a missing line of context in
the diff. If you look at this link:
http://source.winehq.org/source/dlls/kernel32/selector.c#L634

you'll see that it actually goes like this:

#define DEFINE_SUnMapLS(n) \
  __ASM_GLOBAL_FUNC( SUnMapLS_IP_EBP_ ## n, \
                     "pushl %eax\n\t"  /* preserve eax */ \
                     "pushl " #n "(%ebp)\n\t" \
                     "call " __ASM_NAME("UnMapLS") "\n\t" \
                     "movl $0," #n "(%ebp)\n\t" \
                     "popl %eax\n\t" \
                     "ret" )

DEFINE_SUnMapLS(8);
DEFINE_SUnMapLS(12);
DEFINE_SUnMapLS(16);
etc.

I'm removing the semicolons from these last lines. The _ASM_GLOBAL_FUNC
needs different semicolon terminators depending on the version being
used, so they just carry through.
> bye
>    michael