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dwarf2out.c (dwarf2out_begin_function): Set cold_text_section and output cold_text_section_label.

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* dwarf2out.c (dwarf2out_begin_function): Set cold_text_section
	and output cold_text_section_label.
	(dwarf2out_init): Don't do that there.
	(dwarf2out_finish): Handle cold section end label only if cold
	section was used.

From-SVN: r167208
This commit is contained in:
Jan Hubicka 2010-11-27 20:37:00 +01:00 committed by Jan Hubicka
parent 17a3480b6a
commit 267eb218c3
2 changed files with 18 additions and 9 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2010-11-27 Jan Hubicka <jh@suse.cz>
* dwarf2out.c (dwarf2out_begin_function): Set cold_text_section
and output cold_text_section_label.
(dwarf2out_init): Don't do that there.
(dwarf2out_finish): Handle cold section end label only if cold
section was used.
2010-11-27 Eric Botcazou <ebotcazou@adacore.com>
* tree-nested.c (remap_vla_decls): Fully expand value expressions of

19
gcc/dwarf2out.c
View File

@ -21676,6 +21676,14 @@ dwarf2out_begin_function (tree fun)
{
if (function_section (fun) != text_section)
have_multiple_function_sections = true;
else if (flag_reorder_blocks_and_partition && !cold_text_section)
{
gcc_assert (current_function_decl == fun);
cold_text_section = unlikely_text_section ();
switch_to_section (cold_text_section);
ASM_OUTPUT_LABEL (asm_out_file, cold_text_section_label);
switch_to_section (current_function_section ());
}
dwarf2out_note_section_used ();
}
@ -21996,13 +22004,6 @@ dwarf2out_init (const char *filename ATTRIBUTE_UNUSED)
switch_to_section (text_section);
ASM_OUTPUT_LABEL (asm_out_file, text_section_label);
if (flag_reorder_blocks_and_partition)
{
cold_text_section = unlikely_text_section ();
switch_to_section (cold_text_section);
ASM_OUTPUT_LABEL (asm_out_file, cold_text_section_label);
}
}
/* Called before cgraph_optimize starts outputtting functions, variables
@ -23107,9 +23108,9 @@ dwarf2out_finish (const char *filename)
/* Output a terminator label for the .text section. */
switch_to_section (text_section);
targetm.asm_out.internal_label (asm_out_file, TEXT_END_LABEL, 0);
if (flag_reorder_blocks_and_partition)
if (cold_text_section)
{
switch_to_section (unlikely_text_section ());
switch_to_section (cold_text_section);
targetm.asm_out.internal_label (asm_out_file, COLD_END_LABEL, 0);
}