diff options
Diffstat (limited to 'gcc/ssa.c')
| -rw-r--r-- | gcc/ssa.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/gcc/ssa.c b/gcc/ssa.c index 4c989d764e4..c18f3b9e2f6 100644 --- a/gcc/ssa.c +++ b/gcc/ssa.c @@ -124,6 +124,8 @@ struct ssa_rename_from_hash_table_data { partition reg_partition; }; +static rtx gen_sequence + PARAMS ((void)); static void ssa_rename_from_initialize PARAMS ((void)); static rtx ssa_rename_from_lookup @@ -974,6 +976,28 @@ rename_insn_1 (ptr, data) } } +static rtx +gen_sequence () +{ + rtx first_insn = get_insns (); + rtx result; + rtx tem; + int i; + int len; + + /* Count the insns in the chain. */ + len = 0; + for (tem = first_insn; tem; tem = NEXT_INSN (tem)) + len++; + + result = gen_rtx_SEQUENCE (VOIDmode, rtvec_alloc (len)); + + for (i = 0, tem = first_insn; tem; tem = NEXT_INSN (tem), i++) + XVECEXP (result, 0, i) = tem; + + return result; +} + static void rename_block (bb, idom) int bb; @@ -1449,7 +1473,7 @@ eliminate_phi (e, reg_partition) ephi_create (i, visited, pred, succ, nodes); } - insn = gen_sequence (); + insn = get_insns (); end_sequence (); insert_insn_on_edge (insn, e); if (rtl_dump_file) |