diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr63738.c | 27 | ||||
| -rw-r--r-- | gcc/tree-data-ref.c | 3 |
4 files changed, 41 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 34f66f9..79c5411 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2014-11-26 Richard Biener <rguenther@suse.de> + PR middle-end/63738 + * tree-data-ref.c (split_constant_offset_1): Do not follow + SSA edges for SSA names with SSA_NAME_OCCURS_IN_ABNORMAL_PHI. + +2014-11-26 Richard Biener <rguenther@suse.de> + * fold-const.h (const_unop): Declare. (const_binop): Likewise. * fold-const.c (const_binop): Export overload that expects diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 19e7aa1..5c0ecd7 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2014-11-26 Richard Biener <rguenther@suse.de> + + PR middle-end/63738 + * gcc.dg/torture/pr63738.c: New testcase. + 2014-11-26 Ilya Enkovich <ilya.enkovich@intel.com> PR bootstrap/63995 diff --git a/gcc/testsuite/gcc.dg/torture/pr63738.c b/gcc/testsuite/gcc.dg/torture/pr63738.c new file mode 100644 index 0000000..de40a9c --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr63738.c @@ -0,0 +1,27 @@ +/* { dg-do compile } */ + +#include <setjmp.h> + +struct longjmp_buffer { + jmp_buf buf; +}; + +void plouf(); + +extern long interprete() +{ + long * sp; + int i; + long *args; + int n; + + struct longjmp_buffer raise_buf; + _setjmp (raise_buf.buf); + + plouf(); + sp -= 4; + for (i = 0; i < n; i++) + args[i] = sp[10-i]; + plouf(); + return 0; +} diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index 909751c..387da6c 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -674,6 +674,9 @@ split_constant_offset_1 (tree type, tree op0, enum tree_code code, tree op1, case SSA_NAME: { + if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (op0)) + return false; + gimple def_stmt = SSA_NAME_DEF_STMT (op0); enum tree_code subcode; |