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

[Nate Begeman]

Changes in directory llvm/lib/Target/PowerPC:

README.txt updated: 1.35 -> 1.36
---
Log message:

New case to handle someday


---
Diffs of the changes:  (+17 -0)

 README.txt |   17 +++++++++++++++++
 1 files changed, 17 insertions(+)


Index: llvm/lib/Target/PowerPC/README.txt
diff -u llvm/lib/Target/PowerPC/README.txt:1.35 llvm/lib/Target/PowerPC/README.txt:1.36
--- llvm/lib/Target/PowerPC/README.txt:1.35	Thu Oct 27 19:20:45 2005
+++ llvm/lib/Target/PowerPC/README.txt	Fri Oct 28 18:26:57 2005
@@ -217,5 +217,22 @@
         stw r2, 0(r3)
         blr
 
+===-------------------------------------------------------------------------===
 
+Compile
+int foo(int a) { return a * -2 + 63; }
+
+to
+
+_foo:
+        slwi r0,r3,1
+        subfic r3,r0,63
+        blr
+
+instead of:
+
+_foo:
+        mulli r2,r3,-2
+        addi r3,r2,63
+        blr