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Re: Error: can't resolve `.hcu.uncommon_code' {.hcu.uncommon_code sectio
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From: |
Kristis Makris |
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Subject: |
Re: Error: can't resolve `.hcu.uncommon_code' {.hcu.uncommon_code section} - `.LFB17' {.text section} |
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Date: |
Fri, 27 Apr 2007 10:32:17 -0700 |
On Mon, 2007-04-23 at 12:37 -0700, Jim Wilson wrote:
> There is no such option or attribute. The problem here is that you are
> doing things behind the compiler's back. Long term, this isn't going to
> I think you should rethink your whole approach.
It seems that I was looking for the 4.1.x optimization flag
-freorder-blocks-and-partition that places the body of uncommon branches
in a separate section and the macro __builtin_expect() that provides
branch prediction hints.