[AArch64] Add command-line options for Statistical Profiling Extension

This adds the "+profile" and +noprofile" suffixes for the -march and
-mcpu options, to allow enabling or disabling the options Statistical
Profiling Extension to ARMv8.2-A.

Differential Revision: http://reviews.llvm.org/D15023

llvm-svn: 254161

1 files changed, 2 insertions, 0 deletions

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 9ae9348792b..426415d13df 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -2032,11 +2032,13 @@ static bool DecodeAArch64Features(const Driver &D, StringRef text,
                              .Case("crc", "+crc")
                              .Case("crypto", "+crypto")
                              .Case("fp16", "+fullfp16")
+                             .Case("profile", "+spe")
                              .Case("nofp", "-fp-armv8")
                              .Case("nosimd", "-neon")
                              .Case("nocrc", "-crc")
                              .Case("nocrypto", "-crypto")
                              .Case("nofp16", "-fullfp16")
+                             .Case("noprofile", "-spe")
                              .Default(nullptr);
     if (result)
       Features.push_back(result);