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

[Chris Lattner]

Changes in directory llvm/lib/Target/X86:

README-SSE.txt updated: 1.9 -> 1.10
---
Log message:

Add a perf optzn corresponding to PR1033: http://llvm.org/PR1033 .


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

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


Index: llvm/lib/Target/X86/README-SSE.txt
diff -u llvm/lib/Target/X86/README-SSE.txt:1.9 llvm/lib/Target/X86/README-SSE.txt:1.10
--- llvm/lib/Target/X86/README-SSE.txt:1.9	Fri Nov 10 16:09:17 2006
+++ llvm/lib/Target/X86/README-SSE.txt	Tue Dec  5 12:25:10 2006
@@ -18,6 +18,11 @@
 
 //===---------------------------------------------------------------------===//
 
+Bitcast to<->from SSE registers should use movd/movq instead of going through
+the stack.  Testcase here: CodeGen/X86/bitcast.ll
+
+//===---------------------------------------------------------------------===//
+
 This testcase should have no SSE instructions in it, and only one load from
 a constant pool: