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| author | Martin Sebor <msebor@redhat.com> | 2019-07-25 00:29:17 +0000 |
|---|---|---|
| committer | Martin Sebor <msebor@gcc.gnu.org> | 2019-07-24 18:29:17 -0600 |
| commit | b631bdb3c16e85f35d38e39b3d315c35e4a5747c (patch) | |
| tree | 946823534c8cde2d83143cbdcd1e5d6e8d8d7955 /gcc/coverage.c | |
| parent | 7214f11d4708a62868f4b0830ef65b87976d1826 (diff) | |
| download | gcc-b631bdb3c16e85f35d38e39b3d315c35e4a5747c.zip gcc-b631bdb3c16e85f35d38e39b3d315c35e4a5747c.tar.gz gcc-b631bdb3c16e85f35d38e39b3d315c35e4a5747c.tar.bz2 | |
PR tree-optimization/91183 - strlen of a strcpy result with a conditional source not folded
PR tree-optimization/91183 - strlen of a strcpy result with a conditional source not folded
PR tree-optimization/86688 - missing -Wstringop-overflow using a non-string local array in strnlen with excessive bound
gcc/ChangeLog:
PR tree-optimization/91183
PR tree-optimization/86688
* builtins.c (compute_objsize): Handle MEM_REF.
* tree-ssa-strlen.c (class ssa_name_limit_t): New.
(get_min_string_length): Remove.
(count_nonzero_bytes): New function.
(handle_char_store): Rename...
(handle_store): to this. Handle multibyte stores via integer types.
(strlen_check_and_optimize_stmt): Adjust conditional and the called
function name.
gcc/testsuite/ChangeLog:
PR tree-optimization/91183
PR tree-optimization/86688
* gcc.dg/Wstringop-overflow-14.c: New test.
* gcc.dg/attr-nonstring-2.c: Remove xfails.
* gcc.dg/strlenopt-70.c: New test.
* gcc.dg/strlenopt-71.c: New test.
* gcc.dg/strlenopt-72.c: New test.
* gcc.dg/strlenopt-8.c: Remove xfails.
From-SVN: r273783
Diffstat (limited to 'gcc/coverage.c')
0 files changed, 0 insertions, 0 deletions