[RFC] Fix PR 43562 -- 2nd try (was Re: [RFC] Fix PR 43562)

[Jie Zhang]

Jeff,

On 03/29/2010 12:03 PM, Jie Zhang wrote:
> I asked a related question several days ago about this PR but no replies:
>
> http://gcc.gnu.org/ml/gcc/2010-03/msg00367.html
>
As you suggested, this patch moves call of init_caller_save to IRA main 
function. A flag "caller_save_initialized_p" is used to avoid duplicate 
initializations. When a reinitialization is need, that flag is set to 
false again such that caller-save will be initialized in the next call 
of init_caller_save. Testing is going on. Is it OK if no regressions?


-- 
Jie Zhang
CodeSourcery
(650) 331-3385 x735
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