[AArch64] Add support for NEON scalar absolute value instruction.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192844 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Basic/arm_neon.td b/include/clang/Basic/arm_neon.td
index c65a99b..bc989cd 100644
--- a/include/clang/Basic/arm_neon.td
+++ b/include/clang/Basic/arm_neon.td
@@ -856,6 +856,10 @@
def SCALAR_CMTST : SInst<"vtst", "sss", "SlSUl">;
////////////////////////////////////////////////////////////////////////////////
+// Scalar Absolute Value
+def SCALAR_ABS : SInst<"vabs", "ss", "Sl">;
+
+////////////////////////////////////////////////////////////////////////////////
// Scalar Signed Saturating Absolute Value
def SCALAR_SQABS : SInst<"vqabs", "ss", "ScSsSiSl">;
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index f905595..74ff2dd 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -2074,6 +2074,10 @@
case AArch64::BI__builtin_neon_vtstd_u64:
Int = Intrinsic::aarch64_neon_vtstd; s = "vtst";
OverloadInt = false; break;
+ // Scalar Absolute Value
+ case AArch64::BI__builtin_neon_vabsd_s64:
+ Int = Intrinsic::aarch64_neon_vabs;
+ s = "vabs"; OverloadInt = false; break;
// Scalar Signed Saturating Absolute Value
case AArch64::BI__builtin_neon_vqabsb_s8:
case AArch64::BI__builtin_neon_vqabsh_s16:
diff --git a/test/CodeGen/aarch64-neon-intrinsics.c b/test/CodeGen/aarch64-neon-intrinsics.c
index 54b4e75..37fb377 100644
--- a/test/CodeGen/aarch64-neon-intrinsics.c
+++ b/test/CodeGen/aarch64-neon-intrinsics.c
@@ -7118,6 +7118,12 @@
return (uint64_t)vtstd_u64(a, b);
}
+int64_t test_vabsd_s64(int64_t a) {
+// CHECK: test_vabsd_s64
+// CHECK: abs {{d[0-9]+}}, {{d[0-9]+}}
+ return (int64_t)vabsd_s64(a);
+}
+
int8_t test_vqabsb_s8(int8_t a) {
// CHECK: test_vqabsb_s8
// CHECK: sqabs {{b[0-9]+}}, {{b[0-9]+}}