diff options
author | Romain Geissler <romain.geissler@gmail.com> | 2011-12-15 17:26:10 +0000 |
---|---|---|
committer | Jakub Jelinek <jakub@redhat.com> | 2011-12-15 17:26:10 +0000 |
commit | 290c2d866c9db8b4640a6df43d4bbe69c7f44799 (patch) | |
tree | b55d26e2a650daf51259ff6f927c4f13e216f931 /gcc/tree-ssa-alias.c | |
parent | c0cb04962660f5a3310b4419ea791f5b275d5b29 (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.c | 2 |
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: |