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| author | Richard Guenther <rguenther@suse.de> | 2010-01-01 13:56:50 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-01-01 13:56:50 +0000 |
| commit | a28ff68b149819196a64a87f3e1b5bc3c4075632 (patch) | |
| tree | 3c921df66e3114e29c1039db399133df37bceb08 /gcc | |
| parent | 78542dee33b135825dab584ae041ed78fde0b118 (diff) | |
| download | gcc-a28ff68b149819196a64a87f3e1b5bc3c4075632.zip gcc-a28ff68b149819196a64a87f3e1b5bc3c4075632.tar.gz gcc-a28ff68b149819196a64a87f3e1b5bc3c4075632.tar.bz2 | |
re PR middle-end/42559 (ice in emit_block_move_hints with -O2)
2010-01-01 Richard Guenther <rguenther@suse.de>
PR middle-end/42559
* builtins.c (get_object_alignment): Do not use DECL_ALIGN
for LABEL_DECLs.
* gcc.c-torture/compile/pr42559.c: New testcase.
From-SVN: r155554
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/builtins.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr42559.c | 8 |
4 files changed, 21 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index af1a94f..ecb340a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-01-01 Richard Guenther <rguenther@suse.de> + + PR middle-end/42559 + * builtins.c (get_object_alignment): Do not use DECL_ALIGN + for LABEL_DECLs. + 2009-12-31 Jakub Jelinek <jakub@redhat.com> * tree-dump.c (dump_options): Don't set TDF_NOUID for all. diff --git a/gcc/builtins.c b/gcc/builtins.c index 53d74a2..d48263c 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -325,7 +325,8 @@ get_object_alignment (tree exp, unsigned int align, unsigned int max_align) } if (TREE_CODE (exp) == CONST_DECL) exp = DECL_INITIAL (exp); - if (DECL_P (exp)) + if (DECL_P (exp) + && TREE_CODE (exp) != LABEL_DECL) align = MIN (inner, DECL_ALIGN (exp)); #ifdef CONSTANT_ALIGNMENT else if (CONSTANT_CLASS_P (exp)) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 005b4ac..b1efc4c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-01-01 Richard Guenther <rguenther@suse.de> + + PR middle-end/42559 + * gcc.c-torture/compile/pr42559.c: New testcase. + 2009-12-30 Joseph Myers <joseph@codesourcery.com> PR c/42439 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr42559.c b/gcc/testsuite/gcc.c-torture/compile/pr42559.c new file mode 100644 index 0000000..25f7fd6 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr42559.c @@ -0,0 +1,8 @@ +void jumpfunc(int copy, void *p) +{ + void *l = &&jumplabel; + if (copy) + __builtin___memcpy_chk (p, l, 128, __builtin_object_size (p, 0)); +jumplabel: + return; +} |