[llvm] r179474 - Add support for the abs64 SPARC v9 code model.

[Jakob Stoklund Olesen]

Author: stoklund
Date: Sun Apr 14 00:10:36 2013
New Revision: 179474

URL: http://llvm.org/viewvc/llvm-project?rev=179474&view=rev
Log:
Add support for the abs64 SPARC v9 code model.

For when 16 TB just isn't enough.

Modified:
    llvm/trunk/lib/Target/Sparc/SparcISelLowering.cpp
    llvm/trunk/test/CodeGen/SPARC/constpool.ll
    llvm/trunk/test/CodeGen/SPARC/globals.ll

Modified: llvm/trunk/lib/Target/Sparc/SparcISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcISelLowering.cpp?rev=179474&r1=179473&r2=179474&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/Sparc/SparcISelLowering.cpp Sun Apr 14 00:10:36 2013
@@ -1410,14 +1410,23 @@ SDValue SparcTargetLowering::makeAddress
   default:
     llvm_unreachable("Unsupported absolute code model");
   case CodeModel::Small:
+    // abs32.
     return makeHiLoPair(Op, SPII::MO_HI, SPII::MO_LO, DAG);
   case CodeModel::Medium: {
+    // abs44.
     SDValue H44 = makeHiLoPair(Op, SPII::MO_H44, SPII::MO_M44, DAG);
     H44 = DAG.getNode(ISD::SHL, DL, VT, H44, DAG.getIntPtrConstant(12));
     SDValue L44 = withTargetFlags(Op, SPII::MO_L44, DAG);
     L44 = DAG.getNode(SPISD::Lo, DL, VT, L44);
     return DAG.getNode(ISD::ADD, DL, VT, H44, L44);
   }
+  case CodeModel::Large: {
+    // abs64.
+    SDValue Hi = makeHiLoPair(Op, SPII::MO_HH, SPII::MO_HM, DAG);
+    Hi = DAG.getNode(ISD::SHL, DL, VT, Hi, DAG.getIntPtrConstant(32));
+    SDValue Lo = makeHiLoPair(Op, SPII::MO_HI, SPII::MO_LO, DAG);
+    return DAG.getNode(ISD::ADD, DL, VT, Hi, Lo);
+  }
   }
 }
 

Modified: llvm/trunk/test/CodeGen/SPARC/constpool.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/SPARC/constpool.ll?rev=179474&r1=179473&r2=179474&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/SPARC/constpool.ll (original)
+++ llvm/trunk/test/CodeGen/SPARC/constpool.ll Sun Apr 14 00:10:36 2013
@@ -1,6 +1,7 @@
 ; RUN: llc < %s -march=sparc   -relocation-model=static -code-model=small  | FileCheck --check-prefix=abs32 %s
 ; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=small  | FileCheck --check-prefix=abs32 %s
 ; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=medium | FileCheck --check-prefix=abs44 %s
+; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=large  | FileCheck --check-prefix=abs64 %s
 ; RUN: llc < %s -march=sparc   -relocation-model=pic    -code-model=medium | FileCheck --check-prefix=v8pic32 %s
 ; RUN: llc < %s -march=sparcv9 -relocation-model=pic    -code-model=medium | FileCheck --check-prefix=v9pic32 %s
 
@@ -21,6 +22,15 @@ entry:
 ; abs44: ld [%[[R3]]+%l44(.LCPI0_0)], %f1
 ; abs44: jmp %i7+8
 
+; abs64: floatCP
+; abs64: sethi %hi(.LCPI0_0), %[[R1:[gilo][0-7]]]
+; abs64: add %[[R1]], %lo(.LCPI0_0), %[[R2:[gilo][0-7]]]
+; abs64: sethi %hh(.LCPI0_0), %[[R3:[gilo][0-7]]]
+; abs64: add %[[R3]], %hm(.LCPI0_0), %[[R4:[gilo][0-7]]]
+; abs64: sllx %[[R4]], 32, %[[R5:[gilo][0-7]]]
+; abs64: ld [%[[R5]]+%[[R2]]], %f1
+; abs64: jmp %i7+8
+
 ; v8pic32: floatCP
 ; v8pic32: _GLOBAL_OFFSET_TABLE_
 ; v8pic32: sethi %hi(.LCPI0_0), %[[R1:[gilo][0-7]]]

Modified: llvm/trunk/test/CodeGen/SPARC/globals.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/SPARC/globals.ll?rev=179474&r1=179473&r2=179474&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/SPARC/globals.ll (original)
+++ llvm/trunk/test/CodeGen/SPARC/globals.ll Sun Apr 14 00:10:36 2013
@@ -1,6 +1,7 @@
 ; RUN: llc < %s -march=sparc   -relocation-model=static -code-model=small  | FileCheck --check-prefix=abs32 %s
 ; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=small  | FileCheck --check-prefix=abs32 %s
 ; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=medium | FileCheck --check-prefix=abs44 %s
+; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=large  | FileCheck --check-prefix=abs64 %s
 ; RUN: llc < %s -march=sparc   -relocation-model=pic    -code-model=medium | FileCheck --check-prefix=v8pic32 %s
 ; RUN: llc < %s -march=sparcv9 -relocation-model=pic    -code-model=medium | FileCheck --check-prefix=v9pic32 %s
 
@@ -23,6 +24,15 @@ define zeroext i8 @loadG() {
 ; abs44: ldub [%[[R3]]+%l44(G)], %i0
 ; abs44: jmp %i7+8
 
+; abs64: loadG
+; abs64: sethi %hi(G), %[[R1:[gilo][0-7]]]
+; abs64: add %[[R1]], %lo(G), %[[R2:[gilo][0-7]]]
+; abs64: sethi %hh(G), %[[R3:[gilo][0-7]]]
+; abs64: add %[[R3]], %hm(G), %[[R4:[gilo][0-7]]]
+; abs64: sllx %[[R4]], 32, %[[R5:[gilo][0-7]]]
+; abs64: ldub [%[[R5]]+%[[R2]]], %i0
+; abs64: jmp %i7+8
+
 ; v8pic32: loadG
 ; v8pic32: _GLOBAL_OFFSET_TABLE_
 ; v8pic32: sethi %hi(G), %[[R1:[gilo][0-7]]]