diff options
| author | Andrew Pinski <apinski@cavium.com> | 2011-07-26 05:28:45 +0000 |
|---|---|---|
| committer | Andrew Pinski <pinskia@gcc.gnu.org> | 2011-07-25 22:28:45 -0700 |
| commit | 0de204de65593f3a5cfeb4a682e0566657b840f6 (patch) | |
| tree | 5df32a8770e8baaad425277737ea84c3ea2e263b /gcc/tree-inline.c | |
| parent | 9bc13c238df4ed18f702e70f976408dee0c7df6b (diff) | |
| download | gcc-0de204de65593f3a5cfeb4a682e0566657b840f6.zip gcc-0de204de65593f3a5cfeb4a682e0566657b840f6.tar.gz gcc-0de204de65593f3a5cfeb4a682e0566657b840f6.tar.bz2 | |
re PR middle-end/49671 (volatile goes missing after inlining)
2011-07-25 Andrew Pinski <apinski@cavium.com>
PR tree-opt/49671
* tree-inline.c (remap_gimple_op_r): Copy TREE_THIS_VOLATILE and
TREE_THIS_NOTRAP into the inner most MEM_REF.
Always copy TREE_THIS_VOLATILE.
* tree-sra.c (ptr_parm_has_direct_uses): Check that the lhs, rhs and
arguments are not volatile references.
2011-07-25 Andrew Pinski <apinski@cavium.com>
PR tree-opt/49671
* gcc.dg/tree-ssa/pr49671-1.c: New testcase.
* gcc.dg/tree-ssa/pr49671-2.c: New testcase.
From-SVN: r176782
Diffstat (limited to 'gcc/tree-inline.c')
| -rw-r--r-- | gcc/tree-inline.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c index 6a8eae8..e9daff6 100644 --- a/gcc/tree-inline.c +++ b/gcc/tree-inline.c @@ -881,14 +881,16 @@ remap_gimple_op_r (tree *tp, int *walk_subtrees, void *data) build_int_cst (TREE_TYPE (TREE_OPERAND (*tp, 1)), 0)); *tp = tem; + TREE_THIS_VOLATILE (*tem_basep) = TREE_THIS_VOLATILE (old); + TREE_THIS_NOTRAP (*tem_basep) = TREE_THIS_NOTRAP (old); } else { *tp = fold_build2 (MEM_REF, type, ptr, TREE_OPERAND (*tp, 1)); - TREE_THIS_VOLATILE (*tp) = TREE_THIS_VOLATILE (old); TREE_THIS_NOTRAP (*tp) = TREE_THIS_NOTRAP (old); } + TREE_THIS_VOLATILE (*tp) = TREE_THIS_VOLATILE (old); TREE_NO_WARNING (*tp) = TREE_NO_WARNING (old); *walk_subtrees = 0; return NULL; |