diff options
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 1235379..4affcf4 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -3384,6 +3384,7 @@ get_address_cost (bool symbol_present, bool var_present, acost = costs[symbol_present][var_present][offset_p][ratio_p]; if (!acost) { + int old_cse_not_expected; acost = 0; addr = gen_raw_REG (Pmode, LAST_VIRTUAL_REGISTER + 1); @@ -3412,7 +3413,12 @@ get_address_cost (bool symbol_present, bool var_present, addr = gen_rtx_fmt_ee (PLUS, Pmode, addr, base); start_sequence (); + /* To avoid splitting addressing modes, pretend that no cse will + follow. */ + old_cse_not_expected = cse_not_expected; + cse_not_expected = true; addr = memory_address (Pmode, addr); + cse_not_expected = old_cse_not_expected; seq = get_insns (); end_sequence (); |