[PATCH] make reciprocal estimate code generation more flexible by adding command-line options

[hfinkel at anl.gov]

================
Comment at: lib/Target/X86/X86TargetMachine.cpp:108
@@ -107,2 +107,3 @@
 
+  this->Options.Reciprocals.setDefaults("all", false, 1);
   initAsmInfo();
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Why false? Do you want a target feature here?

http://reviews.llvm.org/D8982

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