diff options
Diffstat (limited to 'contrib/gcc/toplev.c')
| -rw-r--r-- | contrib/gcc/toplev.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/contrib/gcc/toplev.c b/contrib/gcc/toplev.c index 60756b0..a5b7b0e 100644 --- a/contrib/gcc/toplev.c +++ b/contrib/gcc/toplev.c @@ -1,5 +1,5 @@ /* Top level of GNU C compiler - Copyright (C) 1987, 88, 89, 92-98, 1999 Free Software Foundation, Inc. + Copyright (C) 1987, 88, 89, 92-99, 2000 Free Software Foundation, Inc. This file is part of GNU CC. @@ -3877,13 +3877,15 @@ rest_of_compilation (decl) TIMEVAR (cse_time, tem = cse_main (insns, max_reg_num (), 0, rtl_dump_file)); - TIMEVAR (cse_time, delete_trivially_dead_insns (insns, max_reg_num ())); - if (tem || optimize > 1) TIMEVAR (jump_time, jump_optimize (insns, !JUMP_CROSS_JUMP, !JUMP_NOOP_MOVES, !JUMP_AFTER_REGSCAN)); + /* Run this after jump optmizations remove all the unreachable code + so that unreachable code will not keep values live. */ + TIMEVAR (cse_time, delete_trivially_dead_insns (insns, max_reg_num ())); + /* Dump rtl code after cse, if we are doing that. */ if (cse_dump) |
