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toplev.c (process_options): Do not disable -fomit-frame-pointer on a general basis if...

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* toplev.c (process_options): Do not disable -fomit-frame-pointer on a
	general basis if unwind info is requested and ACCUMULATE_OUTGOING_ARGS
	is not enabled.

From-SVN: r197186
This commit is contained in:
Eric Botcazou 2013-03-28 08:29:10 +00:00 • committed by Eric Botcazou
parent f1c47b9db7
commit a9dc2a2f95
2 changed files with 6 additions and 12 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2013-03-28 Eric Botcazou <ebotcazou@adacore.com>
* toplev.c (process_options): Do not disable -fomit-frame-pointer on a
general basis if unwind info is requested and ACCUMULATE_OUTGOING_ARGS
is not enabled.
2013-03-27 Gerald Pfeifer <gerald@pfeifer.com>
* doc/invoke.texi (AVR Options): Tweak link for AVR-LibC user manual.

12
gcc/toplev.c
View file

@ -1527,18 +1527,6 @@ process_options (void)
if (!flag_stack_protect)
warn_stack_protect = 0;
/* ??? Unwind info is not correct around the CFG unless either a frame
pointer is present or A_O_A is set. Fixing this requires rewriting
unwind info generation to be aware of the CFG and propagating states
around edges. */
if (flag_unwind_tables && !ACCUMULATE_OUTGOING_ARGS
&& flag_omit_frame_pointer)
{
warning (0, "unwind tables currently require a frame pointer "
"for correctness");
flag_omit_frame_pointer = 0;
}
/* Address Sanitizer needs porting to each target architecture. */
if (flag_asan
&& (targetm.asan_shadow_offset == NULL