[PATCH] config.gcc: improve description of need_64bit_hwint

[Bingfeng Mei]

If no one is against the patch, I will checkin later today with text alignment adjusted.

Bingfeng

> -----Original Message-----
> From: Paolo Bonzini [mailto:paolo.bonzini@gmail.com] On 
> Behalf Of Paolo Bonzini
> Sent: 21 March 2009 08:02
> To: Dave Korn
> Cc: Joseph S. Myers; Bingfeng Mei; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH] config.gcc: improve description of 
> need_64bit_hwint
> 
> 
> >   Thanks for the clarification.  I thought that SImode 
> generally meant
> > "machine's natural word size" and was therefore coupled 
> with, albeit not
> > identical to, BITS_PER_WORD.
> 
> In fact you were almost there except that BITS_PER_WORD is related to
> word_mode, not SImode.  For example on most 64-bit targets 
> BITS_PER_WORD
> is 64 and word_mode is correspondingly DImode.
> 
> Paolo
> 
>