Move reg_equiv* arrays into a single VEC structure

[Jeff Law]

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On 03/30/11 10:51, Richard Sandiford wrote:
> Nice cleanup thanks.  Just noticed a couple of things:
> 
> Jeff Law <law@redhat.com> writes:
>> *************** struct reload
>> *** 100,106 ****
>>     int inc;
>>     /* A reg for which reload_in is the equivalent.
>>        If reload_in is a symbol_ref which came from
>> !      reg_equiv_constant, then this is the pseudo
>>        which has that symbol_ref as equivalent.  */
>>     rtx in_reg;
>>     rtx out_reg;
>> --- 100,106 ----
>>     int inc;
>>     /* A reg for which reload_in is the equivalent.
>>        If reload_in is a symbol_ref which came from
>> !      reg_equiv_consant, then this is the pseudo
>>        which has that symbol_ref as equivalent.  */
>>     rtx in_reg;
>>     rtx out_reg;
> 
> Adds typo.
> 
>> *************** elimination_effects (rtx x, enum machine
>> *** 3002,3011 ****
>>   	      }
>>   
>>   	}
>> !       else if (reg_renumber[regno] < 0 && reg_equiv_constant
>> ! 	       && reg_equiv_constant[regno]
>> ! 	       && ! function_invariant_p (reg_equiv_constant[regno]))
>> ! 	elimination_effects (reg_equiv_constant[regno], mem_mode);
>>         return;
>>   
>>       case PRE_INC:
>> --- 2996,3006 ----
>>   	      }
>>   
>>   	}
>> !       else if (reg_renumber[regno] < 0
>> ! 	       && reg_equiv_constant (0)
>> ! 	       && reg_equiv_constant (regno)
>> ! 	       && ! function_invariant_p (reg_equiv_constant (regno)))
>> ! 	elimination_effects (reg_equiv_constant (regno), mem_mode);
>>         return;
>>   
>>       case PRE_INC:
> 
> Looks like this should be s/reg_equiv_constant (0)/reg_equivs != 0/.
Bootstrapped & regression tested on x86_64-unknown-linux-gnu.  Installed
as obvious.

jeff

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