[patch] Fix of 32-bit and 64-bit split and peephole rules in i386.md

[Kai Tietz]

Hi,

I perpared a patch for i386.md fixing some collision between 32-bit and 
64-bit rules for peephole and splitting.

ChangeLog

2008-06-03  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.md (define_mode_iterator P): New.
        (split): Merged XF and DF rules using P.
        (peephole): Make sure that esp4 and esp8 are choosen dependent on 
TARGET_64BIT.

I bootstraped this patch on target x86_64-pc-mingw32 without any 
regression I saw.
Is this patch ok for apply?

Cheers,
  Kai



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