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Re: [PATCH] math-emu/setcc: avoid gcc extension
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From: Christoph Hellwig
Subject:
Re: [PATCH] math-emu/setcc: avoid gcc extension
Date: Sunday, January 7, 2007 - 12:58 pm
On Sun, Jan 07, 2007 at 11:19:00AM -0800, Randy Dunlap wrote:
quoted text
> On Sun, 7 Jan 2007 20:12:42 +0100 Segher Boessenkool wrote: > > > There's an extra tab in that last line. Could you also > > please fix the indenting (use a tab, not spaces) -- I know > > it was there originally, but since there are only a few > > lines in that file like that... :-) > > how's this one? > --- > From: Randy Dunlap <randy.dunlap@oracle.com> > > setcc() in math-emu is written as a gcc extension statement expression > macro that returns a value. However, it's not used that way and it's > not needed like that, so just make it a do-while non-extension macro > so that we don't use an extension when it's not needed. > > Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> > --- > arch/i386/math-emu/status_w.h | 5 +++-- > > --- > arch/i386/math-emu/status_w.h | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > --- linux-2620-rc2.orig/arch/i386/math-emu/status_w.h > +++ linux-2620-rc2/arch/i386/math-emu/status_w.h > @@ -48,9 +48,10 @@ > > #define status_word() \ > ((partial_status & ~SW_Top & 0xffff) | ((top << SW_Top_Shift) & SW_Top)) > -#define setcc(cc) ({ \ > - partial_status &= ~(SW_C0|SW_C1|SW_C2|SW_C3); \ > - partial_status |= (cc) & (SW_C0|SW_C1|SW_C2|SW_C3); }) > +#define setcc(cc) do { \ > + partial_status &= ~(SW_C0|SW_C1|SW_C2|SW_C3); \ > + partial_status |= (cc) & (SW_C0|SW_C1|SW_C2|SW_C3); \ > +} while (0)
Is there any reason you this shouldn't be an inline function? -
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Messages in current thread:
[PATCH] math-emu/setcc: avoid gcc extension
, Randy Dunlap
, (Sat Jan 6, 11:19 pm)
Re: [PATCH] math-emu/setcc: avoid gcc extension
, Segher Boessenkool
, (Sun Jan 7, 6:27 am)
Re: [PATCH] math-emu/setcc: avoid gcc extension
, Randy Dunlap
, (Sun Jan 7, 11:45 am)
Re: [PATCH] math-emu/setcc: avoid gcc extension
, Segher Boessenkool
, (Sun Jan 7, 12:12 pm)
Re: [PATCH] math-emu/setcc: avoid gcc extension
, Randy Dunlap
, (Sun Jan 7, 12:19 pm)
Re: [PATCH] math-emu/setcc: avoid gcc extension
, Robert P. J. Day
, (Sun Jan 7, 12:22 pm)
Re: [PATCH] math-emu/setcc: avoid gcc extension
, Segher Boessenkool
, (Sun Jan 7, 12:29 pm)
Re: [PATCH] math-emu/setcc: avoid gcc extension
, Randy Dunlap
, (Sun Jan 7, 12:30 pm)
Re: [PATCH] math-emu/setcc: avoid gcc extension
, Christoph Hellwig
, (Sun Jan 7, 12:58 pm)
Re: [PATCH] math-emu/setcc: avoid gcc extension
, Randy Dunlap
, (Sun Jan 7, 2:07 pm)
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