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I have some problems in global register allocation phase.
I have described some simple architecture using machine description and target macro file. I use gnu GCC version 4.1.1.
But, "can't combine" message is printed out in *.c.37.greg file in global register allocation phase. After i have traced the error message, i have found out the message reload_as_needed. But, I do not recognize the reason about this problem. I really can't know the relationship between register reload and my description.
What is your REAL problem ? I doubt "can't combine" is the real immediate symptom, as it's most likely just a dump of rld[].nocombine. Show us at least your error message and the rtl that you think is causing the problem. -- #pragma ident "Seongbae Park, compiler, http://seongbae.blogspot.com"
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