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authorRomain Geissler <romain.geissler@gmail.com>2011-12-15 17:26:10 +0000
committerJakub Jelinek <jakub@redhat.com>2011-12-15 17:26:10 +0000
commit290c2d866c9db8b4640a6df43d4bbe69c7f44799 (patch)
treeb55d26e2a650daf51259ff6f927c4f13e216f931 /gcc/tree-ssa-alias.c
parentc0cb04962660f5a3310b4419ea791f5b275d5b29 (diff)
* builtins.def (BUILT_IN_STPNCPY_CHK): New definition.
* builtins.c (expand_builtin, fold_builtin_4, maybe_emit_chk_warning): Add BUILT_IN_STPNCPY_CHK case. * gimple-fold.c (gimple_fold_builtin): Likewise. * tree-object-size.c (pass_through_call): Likewise. * tree-ssa-alias.c (ref_maybe_used_by_call_p_1, call_may_clobber_ref_p_1): Likewise. * tree-ssa-structalias.c (find_func_aliases_for_builtin_call, find_func_clobbers): Likewise. * tree.h (fold_builtin_strncpy_chk): Rename to fold_builtin_stxncpy_chk * builtins.c (fold_builtin_strncpy_chk): Likewise. Rewrite stpncpy_chk calls to strncpy_chk calls if returned value is ignored. * gcc.c-torture/execute/builtins/chk.h (stpncpy, stpncpy_disallowed): New definitions. * gcc.c-torture/execute/builtins/lib/chk.c (stpncpy_disallowed): Likewise. (stpncpy, __stpncpy_chk): New functions. * gcc.c-torture/execute/builtins/stpncpy-chk-lib.c: New file. * gcc.c-torture/execute/builtins/stpncpy-chk.c: Likewise. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@182378 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-alias.c')
-rw-r--r--gcc/tree-ssa-alias.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index 21dc5fbcc51..54badda1772 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -1223,6 +1223,7 @@ ref_maybe_used_by_call_p_1 (gimple call, ao_ref *ref)
case BUILT_IN_MEMMOVE_CHK:
case BUILT_IN_MEMPCPY_CHK:
case BUILT_IN_STPCPY_CHK:
+ case BUILT_IN_STPNCPY_CHK:
{
ao_ref dref;
tree size = NULL_TREE;
@@ -1560,6 +1561,7 @@ call_may_clobber_ref_p_1 (gimple call, ao_ref *ref)
case BUILT_IN_MEMMOVE_CHK:
case BUILT_IN_MEMPCPY_CHK:
case BUILT_IN_STPCPY_CHK:
+ case BUILT_IN_STPNCPY_CHK:
case BUILT_IN_STRCAT_CHK:
case BUILT_IN_STRNCAT_CHK:
case BUILT_IN_MEMSET_CHK: