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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-06 19:56:21 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-06 19:56:21 +0000 |
| commit | 1a7cfed3b5fd7d5025afdd770b75cef9aeca7c81 (patch) | |
| tree | 525718a5543ba3730c51234bf188411533ee9f28 | |
| parent | f760eb7d0ded2ec2c030b73132b498fd7d9d7c5b (diff) | |
| download | ppe42-gcc-1a7cfed3b5fd7d5025afdd770b75cef9aeca7c81.tar.gz ppe42-gcc-1a7cfed3b5fd7d5025afdd770b75cef9aeca7c81.zip | |
* ssa-ccp.c (ssa_fast_dce): Update the DF def-use chains
after completing fast dead code elimination.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50374 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/ssa-ccp.c | 5 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2a5c8c6203b..64cf53def75 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -8,6 +8,9 @@ Wed Mar 6 20:32:09 CET 2002 Jan Hubicka <jh@suse.cz> Wed Mar 6 12:27:10 2002 Jeffrey A Law (law@redhat.com) + * ssa-ccp.c (ssa_fast_dce): Update the DF def-use chains + after completing fast dead code elimination. + * m68k.h (CONST_COSTS): Lower cost of 0.0 when used inside a COMPARE operator. diff --git a/gcc/ssa-ccp.c b/gcc/ssa-ccp.c index 9d2d9c9170e..4b602a3875e 100644 --- a/gcc/ssa-ccp.c +++ b/gcc/ssa-ccp.c @@ -1218,4 +1218,9 @@ ssa_fast_dce (df) } sbitmap_free (worklist); + + /* Update the use-def chains in the df_analyzer as needed. */ + df_analyse (df_analyzer, 0, + DF_RD_CHAIN | DF_RU_CHAIN | DF_REG_INFO | DF_HARD_REGS); + } |
