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Mark transaction begin as returns-twice. 

PR rtl-optimization/51771
	gcc/
	* builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST):
	New.
	* gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.

From-SVN: r182937
This commit is contained in:
Torvald Riegel 2012-01-05 23:48:30 +00:00 committed by Torvald Riegel
parent 45a29025db
commit b0c99997cc
3 changed files with 11 additions and 1 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2012-01-06 Torvald Riegel <triegel@redhat.com>
PR rtl-optimization/51771
* builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST):
New.
* gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
PR tree-optimization/51315

3
gcc/builtin-attrs.def
View File

@ -98,6 +98,7 @@ DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime")
DEF_ATTR_IDENT (ATTR_TYPEGENERIC, "type generic")
DEF_ATTR_IDENT (ATTR_TM_REGPARM, "*tm regparm")
DEF_ATTR_IDENT (ATTR_TM_TMPURE, "transaction_pure")
DEF_ATTR_IDENT (ATTR_RETURNS_TWICE, "returns_twice")
DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LIST, ATTR_NOVOPS, ATTR_NULL, ATTR_NULL)
@ -241,6 +242,8 @@ DEF_ATTR_TREE_LIST (ATTR_TM_NORETURN_NOTHROW_LIST,
ATTR_TM_REGPARM, ATTR_NULL, ATTR_NORETURN_NOTHROW_LIST)
DEF_ATTR_TREE_LIST (ATTR_TM_CONST_NOTHROW_LIST,
ATTR_TM_REGPARM, ATTR_NULL, ATTR_CONST_NOTHROW_LIST)
DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_RT_LIST,
ATTR_RETURNS_TWICE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
/* Same attributes used for BUILT_IN_MALLOC except with TM_PURE thrown in. */
DEF_ATTR_TREE_LIST (ATTR_TMPURE_MALLOC_NOTHROW_LIST,

2
gcc/gtm-builtins.def
View File

@ -1,5 +1,5 @@
DEF_TM_BUILTIN (BUILT_IN_TM_START, "_ITM_beginTransaction",
BT_FN_UINT_UINT, ATTR_TM_NOTHROW_LIST)
BT_FN_UINT_UINT, ATTR_TM_NOTHROW_RT_LIST)
DEF_TM_BUILTIN (BUILT_IN_TM_COMMIT, "_ITM_commitTransaction",
BT_FN_VOID, ATTR_TM_NOTHROW_LIST)