[cfe-commits] r164904 - in /cfe/trunk: include/clang/Basic/arm_neon.td lib/CodeGen/CGBuiltin.cpp

[Bob Wilson]

Author: bwilson
Date: Sat Sep 29 18:52:48 2012
New Revision: 164904

URL: http://llvm.org/viewvc/llvm-project?rev=164904&view=rev
Log:
Add an FMA intrinsic for ARM Neon.

Modified:
    cfe/trunk/include/clang/Basic/arm_neon.td
    cfe/trunk/lib/CodeGen/CGBuiltin.cpp

Modified: cfe/trunk/include/clang/Basic/arm_neon.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/arm_neon.td?rev=164904&r1=164903&r2=164904&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/arm_neon.td (original)
+++ cfe/trunk/include/clang/Basic/arm_neon.td Sat Sep 29 18:52:48 2012
@@ -394,3 +394,7 @@
   : Inst<"vreinterpret", "dd",
          "csilUcUsUiUlhfPcPsQcQsQiQlQUcQUsQUiQUlQhQfQPcQPs", OP_REINT>;
 
+////////////////////////////////////////////////////////////////////////////////
+// Vector fused multiply-add operations
+
+def VFMA : SInst<"vfma", "dddd", "fQf">;

Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=164904&r1=164903&r2=164904&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Sat Sep 29 18:52:48 2012
@@ -2032,6 +2032,14 @@
     Int = usgn ? Intrinsic::arm_neon_vmullu : Intrinsic::arm_neon_vmulls;
     Int = Type.isPoly() ? (unsigned)Intrinsic::arm_neon_vmullp : Int;
     return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vmull");
+  case ARM::BI__builtin_neon_vfma_v:
+  case ARM::BI__builtin_neon_vfmaq_v: {
+    Value *F = CGM.getIntrinsic(Intrinsic::fma, Ty);
+    Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
+    Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
+    Ops[2] = Builder.CreateBitCast(Ops[2], Ty);
+    return Builder.CreateCall3(F, Ops[0], Ops[1], Ops[2]);
+  }
   case ARM::BI__builtin_neon_vpadal_v:
   case ARM::BI__builtin_neon_vpadalq_v: {
     Int = usgn ? Intrinsic::arm_neon_vpadalu : Intrinsic::arm_neon_vpadals;