Add intrinsics __builtin_arm_qadd & __builtin_arm_qsub to allow access to the QADD & QSUB instructions.

Behave identically to __qadd & __qsub RealView instruction intrinsics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109770 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 0 deletions

diff --git a/include/llvm/IntrinsicsARM.td b/include/llvm/IntrinsicsARM.td
index 40333ca..65f8361 100644
--- a/include/llvm/IntrinsicsARM.td
+++ b/include/llvm/IntrinsicsARM.td
@@ -21,6 +21,17 @@ let TargetPrefix = "arm" in {  // All intrinsics start with "llvm.arm.".
 }
 
 //===----------------------------------------------------------------------===//
+// Saturating Arithmentic
+
+let TargetPrefix = "arm" in {  // All intrinsics start with "llvm.arm.".
+  def int_arm_qadd : GCCBuiltin<"__builtin_arm_qadd">,
+              Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty],
+                        [IntrNoMem, Commutative]>;
+  def int_arm_qsub : GCCBuiltin<"__builtin_arm_qsub">,
+              Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty], [IntrNoMem]>;
+}
+
+//===----------------------------------------------------------------------===//
 // Advanced SIMD (NEON)
 
 let TargetPrefix = "arm" in {  // All intrinsics start with "llvm.arm.".