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-rw-r--r--gcc/gcse.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c
index 620b986..69ca31f 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -181,7 +181,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
be done by loop.c, which has more heuristics for when to move invariants
out of loops. At some point we might need to move some of those
heuristics into gcse.c. */
-#define FOLLOW_BACK_EDGES 1
/* We support GCSE via Partial Redundancy Elimination. PRE optimizations
are a superset of those done by GCSE.
@@ -1293,10 +1292,6 @@ compute_sets (f)
/* Hash table support. */
-/* For each register, the cuid of the first/last insn in the block
- that set it, or -1 if not set. */
-#define NEVER_SET -1
-
struct reg_avail_info
{
basic_block last_bb;