Unaligned = 1;
SoftFloat = SoftFloatABI = false;
HWDiv = 0;
+ HasFullFP16 = 0;
// This does not diagnose illegal cases like having both
// "+vfpv2" and "+vfpv3" or having "+neon" and "+fp-only-sp".
Unaligned = 0;
} else if (Feature == "+fp16") {
HW_FP |= HW_FP_HP;
+ } else if (Feature == "+fullfp16") {
+ HasFullFP16 = 1;
}
}
HW_FP &= ~HW_FP_remove;
if (Opts.UnsafeFPMath)
Builder.defineMacro("__ARM_FP_FAST", "1");
+ // Armv8.2-A FP16 vector intrinsic
+ if ((FPU & NeonFPU) && HasFullFP16)
+ Builder.defineMacro("__ARM_FEATURE_FP16_VECTOR_ARITHMETIC", "1");
+
+ // Armv8.2-A FP16 scalar intrinsics
+ if (HasFullFP16)
+ Builder.defineMacro("__ARM_FEATURE_FP16_SCALAR_ARITHMETIC", "1");
+
+
switch (ArchKind) {
default:
break;
// CHECK-V8A-ALLOW-FP-INSTR: #define __ARM_FP16_ARGS 1
// CHECK-V8A-ALLOW-FP-INSTR: #define __ARM_FP16_FORMAT_IEEE 1
+// RUN: %clang -target arm-none-linux-gnueabi -march=armv8.2a+fp16 -x c -E -dM %s -o - | FileCheck -match-full-lines --check-prefix=CHECK-FULLFP16-VECTOR-SCALAR %s
+// CHECK-FULLFP16-VECTOR-SCALAR: #define __ARM_FEATURE_FP16_SCALAR_ARITHMETIC 1
+// CHECK-FULLFP16-VECTOR-SCALAR: #define __ARM_FEATURE_FP16_VECTOR_ARITHMETIC 1
+// CHECK-FULLFP16-VECTOR-SCALAR: #define __ARM_FP 0xe
+// CHECK-FULLFP16-VECTOR-SCALAR: #define __ARM_FP16_FORMAT_IEEE 1
+
+// RUN: %clang -target arm-none-linux-gnueabi -march=armv8.2a+fp16 -mfpu=vfp4 -x c -E -dM %s -o - | FileCheck -match-full-lines --check-prefix=CHECK-FULLFP16-SCALAR %s
+// CHECK-FULLFP16-SCALAR: #define __ARM_FEATURE_FP16_SCALAR_ARITHMETIC 1
+// CHECK-FULLFP16-SCALAR-NOT: #define __ARM_FEATURE_FP16_VECTOR_ARITHMETIC 1
+// CHECK-FULLFP16-SCALAR: #define __ARM_FP 0xe
+// CHECK-FULLFP16-SCALAR: #define __ARM_FP16_FORMAT_IEEE 1
+
// RUN: %clang -target armv8r-none-linux-gnu -x c -E -dM %s -o - | FileCheck -match-full-lines --check-prefix=CHECK-V8R %s
// CHECK-V8R: #define __ARMEL__ 1
// CHECK-V8R: #define __ARM_ARCH 8