diff options
Diffstat (limited to 'gcc/tree-ssa-operands.c')
-rw-r--r-- | gcc/tree-ssa-operands.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c index 83ec21b9497..12bfc780bd3 100644 --- a/gcc/tree-ssa-operands.c +++ b/gcc/tree-ssa-operands.c @@ -152,6 +152,7 @@ static void note_addressable (tree, stmt_ann_t); static void get_expr_operands (tree, tree *, int); static void get_asm_expr_operands (tree); static void get_indirect_ref_operands (tree, tree, int); +static void get_tmr_operands (tree, tree, int); static void get_call_expr_operands (tree, tree); static inline void append_def (tree *); static inline void append_use (tree *); @@ -1289,6 +1290,10 @@ get_expr_operands (tree stmt, tree *expr_p, int flags) get_indirect_ref_operands (stmt, expr, flags); return; + case TARGET_MEM_REF: + get_tmr_operands (stmt, expr, flags); + return; + case ARRAY_REF: case ARRAY_RANGE_REF: /* Treat array references as references to the virtual variable @@ -1672,6 +1677,30 @@ get_indirect_ref_operands (tree stmt, tree expr, int flags) get_expr_operands (stmt, pptr, opf_none); } +/* A subroutine of get_expr_operands to handle TARGET_MEM_REF. */ + +static void +get_tmr_operands (tree stmt, tree expr, int flags) +{ + tree tag = TMR_TAG (expr); + + /* First record the real operands. */ + get_expr_operands (stmt, &TMR_BASE (expr), opf_none); + get_expr_operands (stmt, &TMR_INDEX (expr), opf_none); + + /* MEM_REFs should never be killing. */ + flags &= ~opf_kill_def; + + if (TMR_SYMBOL (expr)) + note_addressable (TMR_SYMBOL (expr), stmt_ann (stmt)); + + if (tag) + add_stmt_operand (&tag, stmt_ann (stmt), flags); + else + /* Something weird, so ensure that we will be careful. */ + stmt_ann (stmt)->has_volatile_ops = true; +} + /* A subroutine of get_expr_operands to handle CALL_EXPR. */ static void |