[llvm-commits] [llvm-gcc-4.2] r112415 - /llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp

[Bob Wilson]

Author: bwilson
Date: Sun Aug 29 00:55:07 2010
New Revision: 112415

URL: http://llvm.org/viewvc/llvm-project?rev=112415&view=rev
Log:
Translate NEON vaddl, vaddw, vsubl, and vsubw builtins to llvm add/sub
with zext/sext operations, instead of to llvm intrinsics.

Modified:
    llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp

Modified: llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp?rev=112415&r1=112414&r2=112415&view=diff
==============================================================================
--- llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp Sun Aug 29 00:55:07 2010
@@ -788,27 +788,27 @@
     break;
 
   case NEON_BUILTIN_vaddl:
-    if (datatype == neon_datatype_signed)
-      intID = Intrinsic::arm_neon_vaddls;
-    else if (datatype == neon_datatype_unsigned)
-      intID = Intrinsic::arm_neon_vaddlu;
-    else
+    if (datatype == neon_datatype_signed) {
+      Ops[0] = Builder.CreateSExt(Ops[0], ResultType);
+      Ops[1] = Builder.CreateSExt(Ops[1], ResultType);
+    } else if (datatype == neon_datatype_unsigned) {
+      Ops[0] = Builder.CreateZExt(Ops[0], ResultType);
+      Ops[1] = Builder.CreateZExt(Ops[1], ResultType);
+    } else
       return BadImmediateError(exp, Result);
 
-    intFn = Intrinsic::getDeclaration(TheModule, intID, &ResultType, 1);
-    Result = Builder.CreateCall2(intFn, Ops[0], Ops[1]);
+    Result = Builder.CreateAdd(Ops[0], Ops[1]);
     break;
 
   case NEON_BUILTIN_vaddw:
     if (datatype == neon_datatype_signed)
-      intID = Intrinsic::arm_neon_vaddws;
+      Ops[1] = Builder.CreateSExt(Ops[1], ResultType);
     else if (datatype == neon_datatype_unsigned)
-      intID = Intrinsic::arm_neon_vaddwu;
+      Ops[1] = Builder.CreateZExt(Ops[1], ResultType);
     else
       return BadImmediateError(exp, Result);
 
-    intFn = Intrinsic::getDeclaration(TheModule, intID, &ResultType, 1);
-    Result = Builder.CreateCall2(intFn, Ops[0], Ops[1]);
+    Result = Builder.CreateAdd(Ops[0], Ops[1]);
     break;
 
   case NEON_BUILTIN_vhadd:
@@ -1251,27 +1251,27 @@
     break;
 
   case NEON_BUILTIN_vsubl:
-    if (datatype == neon_datatype_signed)
-      intID = Intrinsic::arm_neon_vsubls;
-    else if (datatype == neon_datatype_unsigned)
-      intID = Intrinsic::arm_neon_vsublu;
-    else
+    if (datatype == neon_datatype_signed) {
+      Ops[0] = Builder.CreateSExt(Ops[0], ResultType);
+      Ops[1] = Builder.CreateSExt(Ops[1], ResultType);
+    } else if (datatype == neon_datatype_unsigned) {
+      Ops[0] = Builder.CreateZExt(Ops[0], ResultType);
+      Ops[1] = Builder.CreateZExt(Ops[1], ResultType);
+    } else
       return BadImmediateError(exp, Result);
 
-    intFn = Intrinsic::getDeclaration(TheModule, intID, &ResultType, 1);
-    Result = Builder.CreateCall2(intFn, Ops[0], Ops[1]);
+    Result = Builder.CreateSub(Ops[0], Ops[1]);
     break;
 
   case NEON_BUILTIN_vsubw:
     if (datatype == neon_datatype_signed)
-      intID = Intrinsic::arm_neon_vsubws;
+      Ops[1] = Builder.CreateSExt(Ops[1], ResultType);
     else if (datatype == neon_datatype_unsigned)
-      intID = Intrinsic::arm_neon_vsubwu;
+      Ops[1] = Builder.CreateZExt(Ops[1], ResultType);
     else
       return BadImmediateError(exp, Result);
 
-    intFn = Intrinsic::getDeclaration(TheModule, intID, &ResultType, 1);
-    Result = Builder.CreateCall2(intFn, Ops[0], Ops[1]);
+    Result = Builder.CreateSub(Ops[0], Ops[1]);
     break;
 
   case NEON_BUILTIN_vqsub: