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

Evan Cheng evan.cheng at apple.com
Fri Nov 10 14:09:31 PST 2006



Changes in directory llvm/lib/Target/X86:

README-SSE.txt updated: 1.8 -> 1.9
---
Log message:

Add a note.

---
Diffs of the changes:  (+6 -0)

 README-SSE.txt |    6 ++++++
 1 files changed, 6 insertions(+)


Index: llvm/lib/Target/X86/README-SSE.txt
diff -u llvm/lib/Target/X86/README-SSE.txt:1.8 llvm/lib/Target/X86/README-SSE.txt:1.9
--- llvm/lib/Target/X86/README-SSE.txt:1.8	Fri Nov 10 16:03:35 2006
+++ llvm/lib/Target/X86/README-SSE.txt	Fri Nov 10 16:09:17 2006
@@ -551,3 +551,9 @@
 
 Apply the same transformation that merged four float into a single 128-bit load
 to loads from constant pool.
+
+//===---------------------------------------------------------------------===//
+
+Floating point max / min are commutable when -enable-unsafe-fp-path is
+specified. We should turn int_x86_sse_max_ss and X86ISD::FMIN etc. into other
+nodes which are selected to max / min instructions that are marked commutable.






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