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re PR bootstrap/80978 (LTO/PGO bootstrap broken by r248863) 

PR bootstrap/80978
	* tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
	profile.

From-SVN: r248915
This commit is contained in:
Jan Hubicka 2017-06-06 13:30:54 +02:00 committed by Jan Hubicka
parent d2537732ca
commit 86fdda0591
2 changed files with 9 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-06-06 Jan Hubicka <hubicka@ucw.cz>
PR bootstrap/80978
* tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
profile.
2017-06-06 Jan Hubicka <hubicka@ucw.cz>
* shrink-wrap.c (handle_simple_exit): Update profile.

4
gcc/tree-cfg.c
View File

@ -9077,7 +9077,9 @@ execute_fixup_cfg (void)
cgraph_node *node = cgraph_node::get (current_function_decl);
profile_count num = node->count;
profile_count den = ENTRY_BLOCK_PTR_FOR_FN (cfun)->count;
bool scale = num.initialized_p () && den.initialized_p () && !(num == den);
bool scale = num.initialized_p ()
&& (den > 0 || num == profile_count::zero ())
&& !(num == den);
if (scale)
{