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2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
authorzack <zack@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 14 Feb 2000 01:32:19 +0000 (01:32 +0000)
committerzack <zack@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 14 Feb 2000 01:32:19 +0000 (01:32 +0000)
commitea2fde7c11345864bf1059b48951d567fe6e014d
tree975bd44e0ae313ec71bd84cc111022d497eb7a4dtree | snapshot
parent17d23e163fb637f713240c69bd8cb11b00fa8daacommit | diff
2000-02-13  Zack Weinberg  <zack@wolery.cumb.org>

* cse.c (cse_altered): New internal flag.
(cse_insn): Set it if we changed an insn.
(cse_main): Clear cse_altered before each basic block.
Only garbage collect if cse_altered is true afterward.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31962 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/cse.c diff | blob | history
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