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| author | obrien <obrien@FreeBSD.org> | 2000-01-22 16:05:33 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 2000-01-22 16:05:33 +0000 |
| commit | 8797ccaa107c8e96be174e581ef4a8a9ae3ee9c4 (patch) | |
| tree | 2fb87a58104759e0816c2d9cc27e2f46de7e824f /contrib/gcc/toplev.c | |
| parent | d41539bd1f0694abae28259ea7c050c6f25ec391 (diff) | |
| download | FreeBSD-src-8797ccaa107c8e96be174e581ef4a8a9ae3ee9c4.zip FreeBSD-src-8797ccaa107c8e96be174e581ef4a8a9ae3ee9c4.tar.gz | |
Merge in fixes from the GCC anoncvs tree.
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) |
