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| author | davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-05-23 15:22:05 +0000 |
|---|---|---|
| committer | davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-05-23 15:22:05 +0000 |
| commit | 43a852ea4edb3bace60c8f0880cdc1768ace6151 (patch) | |
| tree | 40fccab8e687849f2b4ac8156c613c1dd0531a4a /gcc/basic-block.h | |
| parent | 2c64e1a1654e517d649af553c5d100983f76e85a (diff) | |
| download | gcc-43a852ea4edb3bace60c8f0880cdc1768ace6151.tar.gz | |
2002-05-23 David S. Miller <davem@redhat.com>
* basic-block.h (CLEANUP_NO_INSN_DEL): Define it.
* cfgcleanup.c (cleanup_cfg): If it is set do not
attempt to delete trivially dead insns.
* except.c (finish_eh_generation): Pass it to cleanup_cfg.
* toplev.c (rest_of_compilation): Document non-trivial aspect
the RTL before optimize_save_area_alloca is run.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53789 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/basic-block.h')
| -rw-r--r-- | gcc/basic-block.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/basic-block.h b/gcc/basic-block.h index cf0d13ad2d5..69ec1224b4e 100644 --- a/gcc/basic-block.h +++ b/gcc/basic-block.h @@ -595,6 +595,8 @@ enum update_life_extent notes. */ #define CLEANUP_UPDATE_LIFE 32 /* Keep life information up to date. */ #define CLEANUP_THREADING 64 /* Do jump threading. */ +#define CLEANUP_NO_INSN_DEL 128 /* Do not try to delete trivially dead + insns. */ /* Flags for loop discovery. */ #define LOOP_TREE 1 /* Build loop hierarchy tree. */ |