diff options
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 32 |
1 files changed, 1 insertions, 31 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index 6cf5d486b3f..34f1b3e4dc2 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -608,20 +608,6 @@ mostly_copy_tree_r (tree *tp, int *walk_subtrees, void *data) return NULL_TREE; } -/* Mark all the _DECL nodes under *TP as volatile. FIXME: This must die - after VA_ARG_EXPRs are properly lowered. */ - -static tree -mark_decls_volatile_r (tree *tp, int *walk_subtrees ATTRIBUTE_UNUSED, - void *data ATTRIBUTE_UNUSED) -{ - if (SSA_VAR_P (*tp)) - TREE_THIS_VOLATILE (*tp) = 1; - - return NULL_TREE; -} - - /* Callback for walk_tree to unshare most of the shared trees rooted at *TP. If *TP has been visited already (i.e., TREE_VISITED (*TP) == 1), then *TP is deep copied by calling copy_tree_r. @@ -662,23 +648,7 @@ copy_if_shared_r (tree *tp, int *walk_subtrees ATTRIBUTE_UNUSED, /* Otherwise, mark the tree as visited and keep looking. */ else - { - TREE_VISITED (t) = 1; - if (TREE_CODE (*tp) == VA_ARG_EXPR - && targetm.gimplify_va_arg_expr == NULL) - { - /* Mark any _DECL inside the operand as volatile to avoid - the optimizers messing around with it. We have to do this - early, otherwise we might mark a variable as volatile - after we gimplify other statements that use the variable - assuming it's not volatile. */ - - /* FIXME once most targets define the above hook, this should - go away (perhaps along with the #include "target.h"). */ - walk_tree (&TREE_OPERAND (*tp, 0), mark_decls_volatile_r, - NULL, NULL); - } - } + TREE_VISITED (t) = 1; return NULL_TREE; } |