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016-07-21 Bernd Edlinger <bernd.edlinger@hotmail.de>

Browse Source 
PR middle-end/71876
        * builtin-attrs.def (ATTR_RT_NOTHROW_LEAF_LIST): New return twice
        attribute.
        * builtins.def (BUILT_IN_SETJMP): Use ATTR_RT_NOTHROW_LEAF_LIST here.
        * calls.c (special_function_p): Remove the special handling of the
        "__builtin_" prefix.

From-SVN: r238606
This commit is contained in:
Bernd Edlinger 2016-07-21 19:11:26 +00:00 committed by Bernd Edlinger
parent 159e8ef0c6
commit cfd97da10d
4 changed files with 14 additions and 7 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2016-07-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR middle-end/71876
* builtin-attrs.def (ATTR_RT_NOTHROW_LEAF_LIST): New return twice
attribute.
* builtins.def (BUILT_IN_SETJMP): Use ATTR_RT_NOTHROW_LEAF_LIST here.
* calls.c (special_function_p): Remove the special handling of the
"__builtin_" prefix.
2016-07-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR middle-end/71876

2
gcc/builtin-attrs.def
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@ -131,6 +131,8 @@ DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN, \
ATTR_NULL, ATTR_NOTHROW_LIST)
DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_LIST, ATTR_NORETURN,\
ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
DEF_ATTR_TREE_LIST (ATTR_RT_NOTHROW_LEAF_LIST, ATTR_RETURNS_TWICE,\
ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
DEF_ATTR_TREE_LIST (ATTR_COLD_NOTHROW_LEAF_LIST, ATTR_COLD,\
ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
DEF_ATTR_TREE_LIST (ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST, ATTR_COLD,\

2
gcc/builtins.def
View File

@ -837,7 +837,7 @@ DEF_LIB_BUILTIN (BUILT_IN_REALLOC, "realloc", BT_FN_PTR_PTR_SIZE, ATTR_NO
DEF_GCC_BUILTIN (BUILT_IN_RETURN, "return", BT_FN_VOID_PTR, ATTR_NORETURN_NOTHROW_LEAF_LIST)
DEF_GCC_BUILTIN (BUILT_IN_RETURN_ADDRESS, "return_address", BT_FN_PTR_UINT, ATTR_LEAF_LIST)
DEF_GCC_BUILTIN (BUILT_IN_SAVEREGS, "saveregs", BT_FN_PTR_VAR, ATTR_NULL)
DEF_GCC_BUILTIN (BUILT_IN_SETJMP, "setjmp", BT_FN_INT_PTR, ATTR_NOTHROW_LEAF_LIST)
DEF_GCC_BUILTIN (BUILT_IN_SETJMP, "setjmp", BT_FN_INT_PTR, ATTR_RT_NOTHROW_LEAF_LIST)
DEF_EXT_LIB_BUILTIN (BUILT_IN_STRFMON, "strfmon", BT_FN_SSIZE_STRING_SIZE_CONST_STRING_VAR, ATTR_FORMAT_STRFMON_NOTHROW_3_4)
DEF_LIB_BUILTIN (BUILT_IN_STRFTIME, "strftime", BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR, ATTR_FORMAT_STRFTIME_NOTHROW_3_0)
DEF_GCC_BUILTIN (BUILT_IN_TRAP, "trap", BT_FN_VOID, ATTR_NORETURN_NOTHROW_LEAF_LIST)

8
gcc/calls.c
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@ -514,14 +514,10 @@ special_function_p (const_tree fndecl, int flags)
&& ! strcmp (name, "alloca"))
flags |= ECF_MAY_BE_ALLOCA;
/* Disregard prefix _, __, __x or __builtin_. */
/* Disregard prefix _, __ or __x. */
if (name[0] == '_')
{
if (name[1] == '_'
&& name[2] == 'b'
&& !strncmp (name + 3, "uiltin_", 7))
tname += 10;
else if (name[1] == '_' && name[2] == 'x')
if (name[1] == '_' && name[2] == 'x')
tname += 3;
else if (name[1] == '_')
tname += 2;