Changes in directory llvm/lib/Target:
README.txt updated: 1.35 -> 1.36
---
Log message:
We compile this into:
_swap_16:
slwi r2, r3, 24
rlwimi r2, r3, 8, 8, 15
srwi r3, r2, 16
blr
now.
---
Diffs of the changes: (+0 -18)
README.txt | 18 ------------------
1 files changed, 18 deletions(-)
Index: llvm/lib/Target/README.txt
diff -u llvm/lib/Target/README.txt:1.35 llvm/lib/Target/README.txt:1.36
--- llvm/lib/Target/README.txt:1.35 Thu Aug 24 18:03:33 2006
+++ llvm/lib/Target/README.txt Thu Aug 24 18:06:02 2006
@@ -162,24 +162,6 @@
//===---------------------------------------------------------------------===//
-Consider this:
-
-unsigned short swap_16(unsigned short v) { return (v>>8) | (v<<8); }
-
-Compiled with the ppc backend:
-
-_swap_16:
- slwi r2, r3, 8
- srwi r3, r3, 8
- or r2, r3, r2
- rlwinm r3, r2, 0, 16, 31
- blr
-
-The rlwinm (an and by 65535) is dead. The dag combiner should propagate bits
-better than that to see this.
-
-//===---------------------------------------------------------------------===//
-
Add support for conditional increments, and other related patterns. Instead
of:
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
