[PATCH] Generate a label for the split cold function while using -freorder-blocks-and-partition

[Jakub Jelinek]

On Tue, Apr 23, 2013 at 03:58:06PM -0700, Sriraman Tallam wrote:
>   This patch generates labels for cold function parts that are split when
> using the option -freorder-blocks-and-partition.  The cold label name
> is generated by suffixing ".cold" to the assembler name of the hot
> function.
> 
>   This is useful when getting back traces from gdb when the cold function
> part does get executed.
> 
>         * final.c (final_scan_insn): Generate cold label name by suffixing
>         ".cold" to function's assembler name.
>         * gcc.dg/tree-prof/cold_partition_label.c: New test.

This doesn't honor NO_DOT_IN_LABEL (and NO_DOLLAR_IN_LABEL).
Also, don't some function start in cold section and then switch into hot
section?

	Jakub