[llvm-commits] CVS: llvm/lib/Target/PowerPC/README.txt

[Chris Lattner]

Changes in directory llvm/lib/Target/PowerPC:

README.txt updated: 1.111 -> 1.112
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Log message:

add a note


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Diffs of the changes:  (+13 -0)

 README.txt |   13 +++++++++++++
 1 files changed, 13 insertions(+)


Index: llvm/lib/Target/PowerPC/README.txt
diff -u llvm/lib/Target/PowerPC/README.txt:1.111 llvm/lib/Target/PowerPC/README.txt:1.112
--- llvm/lib/Target/PowerPC/README.txt:1.111	Fri Feb  9 11:38:01 2007
+++ llvm/lib/Target/PowerPC/README.txt	Sat Mar 24 23:46:28 2007
@@ -625,3 +625,16 @@
         blr
 
 ===-------------------------------------------------------------------------===
+
+test/CodeGen/PowerPC/2007-03-24-cntlzd.ll compiles to:
+
+__ZNK4llvm5APInt17countLeadingZerosEv:
+        ld r2, 0(r3)
+        cntlzd r2, r2
+        or r2, r2, r2     <<-- silly.
+        addi r3, r2, -64
+        blr 
+
+The dead or is a 'truncate' from 64- to 32-bits.
+
+===-------------------------------------------------------------------------===