[PATCH, tm]: Annotate _ITM_free as leaf

Uros Bizjak ubizjak@gmail.com
Wed Aug 28 17:07:00 GMT 2013


Hello!

>> while adding LEAF attributes, I apparently missed free.   Malloc is already annotated.
>> Fixed thus. Comitted as obvoius.
>
> Given that glibc headers mark free as leaf and nothing has been reported
> against it, it is probably fine; but you've ignored the comment that
> told you to adjust also BUILT_IN_TM_FREE.

Like in attached patch.

2013-08-28  Uros Bizjak  <ubizjak@gmail.com>

    * gtm-builtins.def (_ITM_free): Declare leaf.

Tested on x86_64-pc-linux-gnu {,-m32}.

OK for mainline?

Uros.

Index: gcc/gtm-builtins.def
===================================================================
--- gcc/gtm-builtins.def        (revision 202054)
+++ gcc/gtm-builtins.def        (working copy)
@@ -28,7 +28,7 @@ DEF_TM_BUILTIN (BUILT_IN_TM_MALLOC, "_ITM_malloc",
 DEF_TM_BUILTIN (BUILT_IN_TM_CALLOC, "_ITM_calloc",
                BT_FN_PTR_SIZE_SIZE, ATTR_TMPURE_MALLOC_NOTHROW_LIST)
 DEF_TM_BUILTIN (BUILT_IN_TM_FREE, "_ITM_free",
-               BT_FN_VOID_PTR, ATTR_TMPURE_NOTHROW_LIST)
+               BT_FN_VOID_PTR, ATTR_TMPURE_NOTHROW_LEAF_LIST)

 /* Logging builtins.  */
 DEF_TM_BUILTIN (BUILT_IN_TM_LOG_1, "_ITM_LU1",



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