[llvm-commits] [llvm] r75192 - /llvm/trunk/lib/Target/ARM/README-Thumb.txt
Evan Cheng
evan.cheng at apple.com
Thu Jul 9 16:17:28 PDT 2009
Author: evancheng
Date: Thu Jul 9 18:17:28 2009
New Revision: 75192
URL: http://llvm.org/viewvc/llvm-project?rev=75192&view=rev
Log:
Another todo entry.
Modified:
llvm/trunk/lib/Target/ARM/README-Thumb.txt
Modified: llvm/trunk/lib/Target/ARM/README-Thumb.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/README-Thumb.txt?rev=75192&r1=75191&r2=75192&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/README-Thumb.txt (original)
+++ llvm/trunk/lib/Target/ARM/README-Thumb.txt Thu Jul 9 18:17:28 2009
@@ -232,3 +232,8 @@
Thumb load / store address mode offsets are scaled. The values kept in the
instruction operands are pre-scale values. This probably ought to be changed
to avoid extra work when we convert Thumb2 instructions to Thumb1 instructions.
+
+//===---------------------------------------------------------------------===//
+
+We need to make (some of the) Thumb1 instructions predicable. That will allow
+shrinking of predicated Thumb2 instructions.
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