cse.c (cse_altered): New internal flag.
authorZack Weinberg <zack@wolery.cumb.org>
Mon, 14 Feb 2000 01:32:19 +0000 (01:32 +0000)
committerZack Weinberg <zack@gcc.gnu.org>
Mon, 14 Feb 2000 01:32:19 +0000 (01:32 +0000)
commit4eadede7c1f74d804d54f1f5d4257d53c91fe6c1
tree975bd44e0ae313ec71bd84cc111022d497eb7a4d
parentf4445cc0426a8c3c55a187235b623e49c6e1f283
cse.c (cse_altered): New internal flag.

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.

From-SVN: r31962
gcc/ChangeLog
gcc/cse.c