diff options
Diffstat (limited to 'gcc/tree-ssa-operands.c')
| -rw-r--r-- | gcc/tree-ssa-operands.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c index 3129b9a..c44189f 100644 --- a/gcc/tree-ssa-operands.c +++ b/gcc/tree-ssa-operands.c @@ -1446,4 +1446,43 @@ add_call_read_ops (tree stmt, voperands_t prev_vops) } } +/* Copies virtual operands from SRC to DST. */ + +void +copy_virtual_operands (tree dst, tree src) +{ + vuse_optype vuses = STMT_VUSE_OPS (src); + v_may_def_optype v_may_defs = STMT_V_MAY_DEF_OPS (src); + v_must_def_optype v_must_defs = STMT_V_MUST_DEF_OPS (src); + vuse_optype *vuses_new = &stmt_ann (dst)->vuse_ops; + v_may_def_optype *v_may_defs_new = &stmt_ann (dst)->v_may_def_ops; + v_must_def_optype *v_must_defs_new = &stmt_ann (dst)->v_must_def_ops; + unsigned i; + + if (vuses) + { + *vuses_new = allocate_vuse_optype (NUM_VUSES (vuses)); + for (i = 0; i < NUM_VUSES (vuses); i++) + SET_VUSE_OP (*vuses_new, i, VUSE_OP (vuses, i)); + } + + if (v_may_defs) + { + *v_may_defs_new = allocate_v_may_def_optype (NUM_V_MAY_DEFS (v_may_defs)); + for (i = 0; i < NUM_V_MAY_DEFS (v_may_defs); i++) + { + SET_V_MAY_DEF_OP (*v_may_defs_new, i, V_MAY_DEF_OP (v_may_defs, i)); + SET_V_MAY_DEF_RESULT (*v_may_defs_new, i, + V_MAY_DEF_RESULT (v_may_defs, i)); + } + } + + if (v_must_defs) + { + *v_must_defs_new = allocate_v_must_def_optype (NUM_V_MUST_DEFS (v_must_defs)); + for (i = 0; i < NUM_V_MUST_DEFS (v_must_defs); i++) + SET_V_MUST_DEF_OP (*v_must_defs_new, i, V_MUST_DEF_OP (v_must_defs, i)); + } +} + #include "gt-tree-ssa-operands.h" |