Make the fp16 run line use +fp-armv8

Author: davemgreen

llvm/test/CodeGen/ARM/lrint-conv.ll

@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
 ; RUN: llc < %s -mtriple=armv7-none-eabi -float-abi=soft | FileCheck %s --check-prefixes=CHECK,CHECK-SOFT
 ; RUN: llc < %s -mtriple=armv7-none-eabihf -mattr=+vfp2 -float-abi=hard | FileCheck %s --check-prefixes=CHECK,CHECK-NOFP16
-; RUN: llc < %s -mtriple=armv7-none-eabihf -mattr=+vfp2,+fullfp16 -float-abi=hard | FileCheck %s --check-prefixes=CHECK,CHECK-FP16
+; RUN: llc < %s -mtriple=armv8-none-eabihf -mattr=+fp-armv8,+fullfp16 -float-abi=hard | FileCheck %s --check-prefixes=CHECK,CHECK-FP16
 
 define i32 @testmswh_builtin(half %x) {
 ; CHECK-SOFT-LABEL: testmswh_builtin: