summaryrefslogtreecommitdiffstats
path: root/llvm/lib/CodeGen/README.txt
diff options
context:
space:
mode:
authorEvan Cheng <evan.cheng@apple.com>2008-06-06 19:52:44 +0000
committerEvan Cheng <evan.cheng@apple.com>2008-06-06 19:52:44 +0000
commitc324be32c4458ec75fc538ff3408a5923c510bb1 (patch)
treee5a59a8a3e020e1d15bccff6550bbcb9f14a3e84 /llvm/lib/CodeGen/README.txt
parent9bf9110d938acbb6719045331bc495c832655c0c (diff)
downloadbcm5719-llvm-c324be32c4458ec75fc538ff3408a5923c510bb1.tar.gz
bcm5719-llvm-c324be32c4458ec75fc538ff3408a5923c510bb1.zip
Enable stack coloring by default.
llvm-svn: 52057
Diffstat (limited to 'llvm/lib/CodeGen/README.txt')
-rw-r--r--llvm/lib/CodeGen/README.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/README.txt b/llvm/lib/CodeGen/README.txt
index a66fc9dcdcc..d5ddd217962 100644
--- a/llvm/lib/CodeGen/README.txt
+++ b/llvm/lib/CodeGen/README.txt
@@ -197,3 +197,12 @@ It would be really nice to be able to write patterns in .td files for copies,
which would eliminate a bunch of explicit predicates on them (e.g. no side
effects). Once this is in place, it would be even better to have tblgen
synthesize the various copy insertion/inspection methods in TargetInstrInfo.
+
+//===---------------------------------------------------------------------===//
+
+Stack coloring improvments:
+
+1. Do proper LiveStackAnalysis on all stack objects including those which are
+ not spill slots.
+2. Reorder objects to fill in gaps between objects.
+ e.g. 4, 1, <gap>, 4, 1, 1, 1, <gap>, 4 => 4, 1, 1, 1, 1, 4, 4
OpenPOWER on IntegriCloud