[Bug tree-optimization/17531] [4.0 Regression] [ivopts] ICE compiling gzip deflate.c

[matz at suse dot de]

------- Additional Comments From matz at suse dot de  2004-09-28 15:54 -------
During bootstrap of GCC on powerpc64-linux the same ICE occurs.  For 
completeness this is a reduced version of the breaking expr.c: 
------------------------- 
extern unsigned char rs6000_hard_regno_mode_ok_p[][113]; 
void 
f (int mode, int *out) 
{ 
  int regno; 
  for (regno = 0; regno < 113; regno++) 
    if (rs6000_hard_regno_mode_ok_p[mode][regno]) 
      *out = regno; 
} 
------------------------- 
 
Both proposed patches make the ICE go away. 

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17531