[PowerPC] Add support for -mcmpb

In r225106, support for the CMPB instruction was added to the PowerPC backend.
This adds the associated GCC-compatible feature flag.

llvm-svn: 225312

diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 4cc3f64..c6517d1 100644 (file)
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -1204,6 +1204,8 @@ def mno_power8_vector : Flag<["-"], "mno-power8-vector">,
     Group<m_ppc_Features_Group>;
 def mfprnd : Flag<["-"], "mfprnd">, Group<m_ppc_Features_Group>;
 def mno_fprnd : Flag<["-"], "mno-fprnd">, Group<m_ppc_Features_Group>;
+def mcmpb : Flag<["-"], "mcmpb">, Group<m_ppc_Features_Group>;
+def mno_cmpb : Flag<["-"], "mno-cmpb">, Group<m_ppc_Features_Group>;
 def mmfcrf : Flag<["-"], "mmfcrf">, Group<m_ppc_Features_Group>;
 def mno_mfcrf : Flag<["-"], "mno-mfcrf">, Group<m_ppc_Features_Group>;
 def mpopcntd : Flag<["-"], "mpopcntd">, Group<m_ppc_Features_Group>;

diff --git a/clang/test/Driver/ppc-features.cpp b/clang/test/Driver/ppc-features.cpp
index c62f5b9..f7cc879 100644 (file)
--- a/clang/test/Driver/ppc-features.cpp
+++ b/clang/test/Driver/ppc-features.cpp
@@ -89,6 +89,12 @@
 // RUN: %clang -target powerpc64-unknown-linux-gnu %s -mno-fprnd -mfprnd -### -o %t.o 2>&1 | FileCheck -check-prefix=CHECK-FPRND %s
 // CHECK-FPRND: "-target-feature" "+fprnd"
 
+// RUN: %clang -target powerpc64-unknown-linux-gnu %s -mno-cmpb -### -o %t.o 2>&1 | FileCheck -check-prefix=CHECK-NOCMPB %s
+// CHECK-NOCMPB: "-target-feature" "-cmpb"
+
+// RUN: %clang -target powerpc64-unknown-linux-gnu %s -mno-cmpb -mcmpb -### -o %t.o 2>&1 | FileCheck -check-prefix=CHECK-CMPB %s
+// CHECK-CMPB: "-target-feature" "+cmpb"
+
 // RUN: %clang -target powerpc64-unknown-linux-gnu %s -mno-vsx -### -o %t.o 2>&1 | FileCheck -check-prefix=CHECK-NOVSX %s
 // CHECK-NOVSX: "-target-feature" "-vsx"