[PATCH] [ARM] Rename v8fp subtarget feature to fp-armv8

[Bradley Smith]

Rename the 'v8fp' subtarget feature used for ARMv8 FP to 'fp-armv8'. This is purely for consistency with what values this subtarget feature represents elsewhere, and with the command line used to enable this feature in clang.

http://llvm-reviews.chandlerc.com/D1676

Files:
  lib/Driver/Tools.cpp
  test/Driver/arm-mfpu.c

Index: lib/Driver/Tools.cpp
===================================================================
--- lib/Driver/Tools.cpp
+++ lib/Driver/Tools.cpp
@@ -592,9 +592,9 @@
     Features.push_back("+vfp3");
     Features.push_back("-neon");
   } else if (FPU == "fp-armv8") {
-    Features.push_back("+v8fp");
+    Features.push_back("+fp-armv8");
   } else if (FPU == "neon-fp-armv8") {
-    Features.push_back("+v8fp");
+    Features.push_back("+fp-armv8");
     Features.push_back("+neon");
   } else if (FPU == "neon") {
     Features.push_back("+neon");
Index: test/Driver/arm-mfpu.c
===================================================================
--- test/Driver/arm-mfpu.c
+++ test/Driver/arm-mfpu.c
@@ -49,11 +49,11 @@
 
 // RUN: %clang -target armv8-linux-gnueabihf -mfpu=fp-armv8 %s -### 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-FP-ARMV8 %s
-// CHECK-FP-ARMV8: "-target-feature" "+v8fp"
+// CHECK-FP-ARMV8: "-target-feature" "+fp-armv8"
 
 // RUN: %clang -target armv8-linux-gnueabihf -mfpu=neon-fp-armv8 %s -### 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-NEON-FP-ARMV8 %s
-// CHECK-NEON-FP-ARMV8: "-target-feature" "+v8fp"
+// CHECK-NEON-FP-ARMV8: "-target-feature" "+fp-armv8"
 // CHECK-NEON-FP-ARMV8: "-target-feature" "+neon"
 
 // RUN: %clang -target arm-linux-gnueabihf %s -### 2>&1 \
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