From: Chad Rosier <mcrosier@codeaurora.org>
Date: Wed, 16 Oct 2013 21:04:53 +0000 (+0000)
Subject: [AArch64] Add support for NEON scalar negate instruction.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=cced97c345843a41ff68c9536bf54a0dfb772846;p=clang

[AArch64] Add support for NEON scalar negate instruction.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192845 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/Basic/arm_neon.td b/include/clang/Basic/arm_neon.td
index bc989cde67..56b7e9c15b 100644
--- a/include/clang/Basic/arm_neon.td
+++ b/include/clang/Basic/arm_neon.td
@@ -863,6 +863,10 @@ def SCALAR_ABS : SInst<"vabs", "ss", "Sl">;
 // Scalar Signed Saturating Absolute Value
 def SCALAR_SQABS : SInst<"vqabs", "ss", "ScSsSiSl">;
 
+////////////////////////////////////////////////////////////////////////////////
+// Scalar Negate
+def SCALAR_NEG : SInst<"vneg", "ss", "Sl">;
+
 ////////////////////////////////////////////////////////////////////////////////
 // Scalar Signed Saturating Negate
 def SCALAR_SQNEG : SInst<"vqneg", "ss", "ScSsSiSl">;
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 74ff2dd463..36829391e5 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -2085,6 +2085,10 @@ static Value *EmitAArch64ScalarBuiltinExpr(CodeGenFunction &CGF,
   case AArch64::BI__builtin_neon_vqabsd_s64:
     Int = Intrinsic::arm_neon_vqabs;
     s = "vqabs"; OverloadInt = true; break;
+  // Scalar Negate
+  case AArch64::BI__builtin_neon_vnegd_s64:
+    Int = Intrinsic::aarch64_neon_vneg;
+    s = "vneg"; OverloadInt = false; break;
   // Scalar Signed Saturating Negate
   case AArch64::BI__builtin_neon_vqnegb_s8:
   case AArch64::BI__builtin_neon_vqnegh_s16:
diff --git a/test/CodeGen/aarch64-neon-intrinsics.c b/test/CodeGen/aarch64-neon-intrinsics.c
index 37fb3775c3..d3fd0cd585 100644
--- a/test/CodeGen/aarch64-neon-intrinsics.c
+++ b/test/CodeGen/aarch64-neon-intrinsics.c
@@ -7148,6 +7148,12 @@ int64_t test_vqabsd_s64(int64_t a) {
   return (int64_t)vqabsd_s64(a);
 }
 
+int64_t test_vnegd_s64(int64_t a) {
+// CHECK: test_vnegd_s64
+// CHECK: neg {{d[0-9]+}}, {{d[0-9]+}}
+  return (int64_t)vnegd_s64(a);
+}
+
 int8_t test_vqnegb_s8(int8_t a) {
 // CHECK: test_vqnegb_s8
 // CHECK: sqneg {{b[0-9]+}}, {{b[0-9]+}}