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| author | wehle <wehle@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-04-04 05:03:29 +0000 |
|---|---|---|
| committer | wehle <wehle@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-04-04 05:03:29 +0000 |
| commit | c955554ce3546834af823086e1e60fe8e8f74adf (patch) | |
| tree | 540dcb2ec38a4d7571f50545eadd91725b7f7b97 /gcc/gcse.c | |
| parent | c5144efad50d69be3950517725625f18c7b11b3e (diff) | |
| download | gcc-c955554ce3546834af823086e1e60fe8e8f74adf.tar.gz | |
* rtl.h (set_noop_p): Declare.
* flow.c (set_noop_p): Move from here ...
* rtlanal.c (set_noop_p): ... to here and enhance.
* cse.c (delete_trivially_dead_insns): Use it.
* gcse.c (hash_scan_set): Likewise.
* jump.c (delete_noop_moves): Likewise.
* recog.c (split_all_insns): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41077 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c index cac80f9d4b9..9eda522e859 100644 --- a/gcc/gcse.c +++ b/gcc/gcse.c @@ -1964,7 +1964,7 @@ hash_scan_set (pat, insn, set_p) /* Is SET_SRC something we want to gcse? */ && want_to_gcse_p (src) /* Don't CSE a nop. */ - && src != dest) + && ! set_noop_p (pat)) { /* An expression is not anticipatable if its operands are modified before this insn or if this is not the only SET in |