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Re: hot/cold section support
On Fri, Sep 04, 2009 at 10:59:18AM -0700, Doug Evans wrote:
> OOC, how about a similar thing for hot sections?
I didn't know gcc generated such sections.
> I'm also curious who generates .text.*_unlikely.
gcc -freorder-blocks-and-partition -ffunction-sections
$ grep unlikely tst-llrintl.s
.section .text.my_llrintl_unlikely,"ax",@progbits
.section .text.my_llrintl_unlikely
.section .text.main_unlikely,"ax",@progbits
.section .text.main_unlikely
--
Alan Modra
Australia Development Lab, IBM