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function.c (expand_function_start): Initialize stack_check_probe_note only if the generic stack checking mechanism... 

* function.c (expand_function_start): Initialize stack_check_probe_note
	only if the generic stack checking mechanism is used.

From-SVN: r173661
This commit is contained in:
Eric Botcazou 2011-05-11 15:15:26 +00:00 committed by Eric Botcazou
parent 51e020fc08
commit 6d3cc8f051
2 changed files with 7 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-05-11 Eric Botcazou <ebotcazou@adacore.com>
* function.c (expand_function_start): Initialize stack_check_probe_note
only if the generic stack checking mechanism is used.
2011-05-11 Richard Guenther <rguenther@suse.de>
PR tree-optimization/15256

5
gcc/function.c
View File

@ -4813,9 +4813,8 @@ expand_function_start (tree subr)
#endif
}
/* After the display initializations is where the stack checking
probe should go. */
if(flag_stack_check)
/* If we are doing generic stack checking, the probe should go here. */
if (flag_stack_check == GENERIC_STACK_CHECK)
stack_check_probe_note = emit_note (NOTE_INSN_DELETED);
/* Make sure there is a line number after the function entry setup code. */