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| author | Martin Sebor <msebor@redhat.com> | 2018-08-29 17:17:08 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2018-08-29 11:17:08 -0600 |
| commit | e84bf0ef66aa72228299dd92d342c4de3a37c55c (patch) | |
| tree | fa06d2fdd65f07a2e2f5dc933d8166e57ae93a5e /gcc/fold-const.c | |
| parent | b9a0baa9f941537de5ea2c431830a8da33692d88 (diff) | |
| download | gcc-e84bf0ef66aa72228299dd92d342c4de3a37c55c.zip gcc-e84bf0ef66aa72228299dd92d342c4de3a37c55c.tar.gz gcc-e84bf0ef66aa72228299dd92d342c4de3a37c55c.tar.bz2 | |
re PR middle-end/86714 (tree-ssa-forwprop.c confused by too long initializer)
PR tree-optimization/86714
PR tree-optimization/86711
* builtins.c (c_strlen): Add arguments to call to string_constant.
* expr.c (string_constant): Add argument. Detect missing nul
terminator and outermost declaration it's missing in.
* expr.h (string_constant): Add argument.
* fold-const.c (read_from_constant_string): Add arguments to call to
string_constant.
(c_getstr): Likewise.
* tree-ssa-forwprop.c (simplify_builtin_call): Likewise.
to string_constant.
* tree-ssa-strlen.c (get_stridx): Likewise.
PR tree-optimization/86714
PR tree-optimization/86711
* gcc.c-torture/execute/memchr-1.c: New test.
* gcc.c-torture/execute/pr86714.c: New test.
* gcc.c-torture/execute/widechar-3.c: New test.
* gcc.dg/strlenopt-58.c: New test.
Co-Authored-By: Bernd Edlinger <bernd.edlinger@hotmail.de>
Co-Authored-By: Jeff Law <law@redhat.com>
From-SVN: r263963
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 68bd64f..bdd24c5 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -13779,7 +13779,7 @@ fold_read_from_constant_string (tree exp) location_t loc = EXPR_LOCATION (exp); if (TREE_CODE (exp) == INDIRECT_REF) - string = string_constant (exp1, &index); + string = string_constant (exp1, &index, NULL, NULL); else { tree low_bound = array_ref_low_bound (exp); @@ -14592,7 +14592,7 @@ c_getstr (tree src, unsigned HOST_WIDE_INT *strlen /* = NULL */, if (strlen) *strlen = 0; - src = string_constant (src, &offset_node); + src = string_constant (src, &offset_node, NULL, NULL); if (src == 0) return NULL; |