[llvm-commits] CVS: llvm/lib/Target/X86/README.txt

[Evan Cheng]

Changes in directory llvm/lib/Target/X86:

README.txt updated: 1.19 -> 1.20
---
Log message:

Added an idea about any_extend for performance tuning.


---
Diffs of the changes:  (+5 -0)

 README.txt |    5 +++++
 1 files changed, 5 insertions(+)


Index: llvm/lib/Target/X86/README.txt
diff -u llvm/lib/Target/X86/README.txt:1.19 llvm/lib/Target/X86/README.txt:1.20
--- llvm/lib/Target/X86/README.txt:1.19	Fri Dec 16 19:25:19 2005
+++ llvm/lib/Target/X86/README.txt	Sat Dec 17 00:54:43 2005
@@ -102,3 +102,8 @@
 //===---------------------------------------------------------------------===//
 
 Should we promote i16 to i32 to avoid partial register update stalls?
+
+//===---------------------------------------------------------------------===//
+
+Leave any_extend as pseudo instruction and hint to register
+allocator. Delay codegen until post register allocation.