diff options
| -rw-r--r-- | gcc/c-family/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/c-family/c-common.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vector-1.c | 8 |
4 files changed, 21 insertions, 0 deletions
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index b97a7e7..d808445 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,9 @@ +2017-03-02 Richard Biener <rguenther@suse.de> + + PR c/79756 + * c-common.c (c_common_mark_addressable_vec): Look through + C_MAYBE_CONST_EXPR. + 2017-02-28 Martin Liska <mliska@suse.cz> * c.opt: Replace space with tabular for options of <number> diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c index fed7718..885ea6d 100644 --- a/gcc/c-family/c-common.c +++ b/gcc/c-family/c-common.c @@ -6534,6 +6534,8 @@ complete_array_type (tree *ptype, tree initial_value, bool do_default) void c_common_mark_addressable_vec (tree t) { + if (TREE_CODE (t) == C_MAYBE_CONST_EXPR) + t = C_MAYBE_CONST_EXPR_EXPR (t); while (handled_component_p (t)) t = TREE_OPERAND (t, 0); if (!VAR_P (t) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 9f23154..a4a7779 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-03-02 Richard Biener <rguenther@suse.de> + + PR c/79756 + * gcc.dg/vector-1.c: New testcase. + 2017-03-02 Bin Cheng <bin.cheng@arm.com> PR tree-optimization/66768 diff --git a/gcc/testsuite/gcc.dg/vector-1.c b/gcc/testsuite/gcc.dg/vector-1.c new file mode 100644 index 0000000..a5eaa2a --- /dev/null +++ b/gcc/testsuite/gcc.dg/vector-1.c @@ -0,0 +1,8 @@ +/* { dg-do compile } */ +/* { dg-options "-std=gnu90" } */ + +typedef int V __attribute__ ((vector_size(4))); +void fn1 () +{ + (V){(1,0)}[0] = 0; +} |