[PATCH] [x86] add the -mrecip driver flag and process its options

Sat Apr 11 16:58:49 PDT 2015

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Comment at: lib/Driver/Tools.cpp:1581
@@ -1580,1 +1580,3 @@
 
+// The -mrecip flag is not unique to x86, but it sets x86-specific target
+// features. It requires processing of many optional parameters.
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As I commented in D8982, I'd like to see options for these added to TargetOptions.h, and then we can handle these in a uniform way across targets. Also, these should default to being on when -ffast-math is enabled, but we can override the defaults with these options.

http://reviews.llvm.org/D8989

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