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

[Chris Lattner]

Changes in directory llvm/lib/Target/X86:

README.txt updated: 1.168 -> 1.169
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Log message:

add a note


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Diffs of the changes:  (+9 -0)

 README.txt |    9 +++++++++
 1 files changed, 9 insertions(+)


Index: llvm/lib/Target/X86/README.txt
diff -u llvm/lib/Target/X86/README.txt:1.168 llvm/lib/Target/X86/README.txt:1.169
--- llvm/lib/Target/X86/README.txt:1.168	Wed May  9 19:08:04 2007
+++ llvm/lib/Target/X86/README.txt	Fri May 18 15:18:14 2007
@@ -26,6 +26,15 @@
 
 ... which should only be one imul instruction.
 
+or:
+
+unsigned long long int t2(unsigned int a, unsigned int b) {
+       return (unsigned long long)a * b;
+}
+
+... which should be one mul instruction.
+
+
 This can be done with a custom expander, but it would be nice to move this to
 generic code.