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