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| author | Jakub Jelinek <jakub@redhat.com> | 2011-08-03 20:49:40 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-08-03 20:49:40 +0200 |
| commit | cb3d2e3327e9901d85095799343fad46e0588594 (patch) | |
| tree | a33d6ea08c18a40a9e4602308e044392bf3b2a16 /gcc | |
| parent | 35bdbc6962988219faf2c7bf2a0dabd3d8657adb (diff) | |
| download | gcc-cb3d2e3327e9901d85095799343fad46e0588594.zip gcc-cb3d2e3327e9901d85095799343fad46e0588594.tar.gz gcc-cb3d2e3327e9901d85095799343fad46e0588594.tar.bz2 | |
re PR tree-optimization/49948 (ICE with -ftree-parallelize-loops: "address taken, but ADDRESSABLE bit not set")
PR tree-optimization/49948
* gimple.c (walk_stmt_load_store_addr_ops): Walk CONSTRUCTOR elements.
* gcc.dg/pr49948.c: New test.
From-SVN: r177291
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/gimple.c | 14 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr49948.c | 22 |
4 files changed, 46 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 63aef19..2b70738 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-08-03 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/49948 + * gimple.c (walk_stmt_load_store_addr_ops): Walk CONSTRUCTOR elements. + 2011-08-03 Anatoly Sokolov <aesok@post.ru> * config/m32c/m32c.c (class_sizes): Remove. diff --git a/gcc/gimple.c b/gcc/gimple.c index af23c6a..561e41e 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -5259,6 +5259,20 @@ walk_stmt_load_store_addr_ops (gimple stmt, void *data, && TREE_CODE (OBJ_TYPE_REF_OBJECT (rhs)) == ADDR_EXPR) ret |= visit_addr (stmt, TREE_OPERAND (OBJ_TYPE_REF_OBJECT (rhs), 0), data); + else if (TREE_CODE (rhs) == CONSTRUCTOR) + { + unsigned int ix; + tree val; + + FOR_EACH_CONSTRUCTOR_VALUE (CONSTRUCTOR_ELTS (rhs), ix, val) + if (TREE_CODE (val) == ADDR_EXPR) + ret |= visit_addr (stmt, TREE_OPERAND (val, 0), data); + else if (TREE_CODE (val) == OBJ_TYPE_REF + && TREE_CODE (OBJ_TYPE_REF_OBJECT (val)) == ADDR_EXPR) + ret |= visit_addr (stmt, + TREE_OPERAND (OBJ_TYPE_REF_OBJECT (val), + 0), data); + } lhs = gimple_assign_lhs (stmt); if (TREE_CODE (lhs) == TARGET_MEM_REF && TREE_CODE (TMR_BASE (lhs)) == ADDR_EXPR) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7578370..92b1b8d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-08-03 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/49948 + * gcc.dg/pr49948.c: New test. + 2011-08-03 H.J. Lu <hongjiu.lu@intel.com> PR middle-end/47383 diff --git a/gcc/testsuite/gcc.dg/pr49948.c b/gcc/testsuite/gcc.dg/pr49948.c new file mode 100644 index 0000000..f742393 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr49948.c @@ -0,0 +1,22 @@ +/* PR tree-optimization/49948 */ +/* { dg-do compile } */ +/* { dg-options "-O3 -ftree-parallelize-loops=2" } */ + +extern int a, *b; +int +foo (void) +{ + int c, d = 8, *e[8], i; + if (a <= 7) + { + for (i = 0; i < 8; ++i) + e[i] = &c; + while (--d) + { + a = 0; + b = e[0]; + } + return 0; + } + return b == &d; +} |