Changes in directory llvm/lib/Target:
README.txt updated: 1.7 -> 1.8
---
Log message:
missed optzn
---
Diffs of the changes: (+11 -0)
README.txt | 11 +++++++++++
1 files changed, 11 insertions(+)
Index: llvm/lib/Target/README.txt
diff -u llvm/lib/Target/README.txt:1.7 llvm/lib/Target/README.txt:1.8
--- llvm/lib/Target/README.txt:1.7 Wed Feb 15 16:14:34 2006
+++ llvm/lib/Target/README.txt Tue Feb 21 12:29:44 2006
@@ -68,3 +68,14 @@
This sort of thing occurs in the alloca lowering code and other places that
are generating alignment of an already aligned value.
+//===---------------------------------------------------------------------===//
+
+Turn this into a signed shift right in instcombine:
+
+int f(unsigned x) {
+ return x >> 31 ? -1 : 0;
+}
+
+http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25600
+http://gcc.gnu.org/ml/gcc-patches/2006-02/msg01492.html
+
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