diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/function.c b/gcc/function.c index e2024f2..ca26cf8 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -1503,6 +1503,7 @@ fixup_var_refs (rtx var, enum machine_mode promoted_mode, int unsignedp, rtx first_insn = get_insns (); struct sequence_stack *stack = seq_stack; tree rtl_exps = rtl_expr_chain; + int save_volatile_ok = volatile_ok; /* If there's a hash table, it must record all uses of VAR. */ if (ht) @@ -1514,6 +1515,9 @@ fixup_var_refs (rtx var, enum machine_mode promoted_mode, int unsignedp, return; } + /* Volatile is valid in MEMs because all we're doing in changing the + address inside. */ + volatile_ok = 1; fixup_var_refs_insns (first_insn, var, promoted_mode, unsignedp, stack == 0, may_share); @@ -1541,6 +1545,8 @@ fixup_var_refs (rtx var, enum machine_mode promoted_mode, int unsignedp, end_sequence (); } } + + volatile_ok = save_volatile_ok; } /* REPLACEMENTS is a pointer to a list of the struct fixup_replacement and X is |