[llvm-commits] [llvm] r53458 - in /llvm/trunk: include/llvm/CodeGen/RuntimeLibcalls.h lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp lib/CodeGen/SelectionDAG/TargetLowering.cpp

[Duncan Sands]

Author: baldrick
Date: Fri Jul 11 11:52:29 2008
New Revision: 53458

URL: http://llvm.org/viewvc/llvm-project?rev=53458&view=rev
Log:
Add support for 128 bit shifts and 32 bit shifts
on 16 bit machines.

Modified:
    llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp

Modified: llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h?rev=53458&r1=53457&r2=53458&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h (original)
+++ llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h Fri Jul 11 11:52:29 2008
@@ -29,10 +29,13 @@
     // Integer
     SHL_I32,
     SHL_I64,
+    SHL_I128,
     SRL_I32,
     SRL_I64,
+    SRL_I128,
     SRA_I32,
     SRA_I64,
+    SRA_I128,
     MUL_I32,
     MUL_I64,
     MUL_I128,

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp?rev=53458&r1=53457&r2=53458&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp Fri Jul 11 11:52:29 2008
@@ -1454,21 +1454,35 @@
   }
 
   // Otherwise, emit a libcall.
-  assert(VT == MVT::i64 && "Unsupported shift!");
-
-  RTLIB::Libcall LC;
+  RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
   bool isSigned;
   if (N->getOpcode() == ISD::SHL) {
-    LC = RTLIB::SHL_I64;
     isSigned = false; /*sign irrelevant*/
+    if (VT == MVT::i32)
+      LC = RTLIB::SHL_I32;
+    else if (VT == MVT::i64)
+      LC = RTLIB::SHL_I64;
+    else if (VT == MVT::i128)
+      LC = RTLIB::SHL_I128;
   } else if (N->getOpcode() == ISD::SRL) {
-    LC = RTLIB::SRL_I64;
     isSigned = false;
+    if (VT == MVT::i32)
+      LC = RTLIB::SRL_I32;
+    else if (VT == MVT::i64)
+      LC = RTLIB::SRL_I64;
+    else if (VT == MVT::i128)
+      LC = RTLIB::SRL_I128;
   } else {
     assert(N->getOpcode() == ISD::SRA && "Unknown shift!");
-    LC = RTLIB::SRA_I64;
     isSigned = true;
+    if (VT == MVT::i32)
+      LC = RTLIB::SRA_I32;
+    else if (VT == MVT::i64)
+      LC = RTLIB::SRA_I64;
+    else if (VT == MVT::i128)
+      LC = RTLIB::SRA_I128;
   }
+  assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported shift!");
 
   SDOperand Ops[2] = { N->getOperand(0), N->getOperand(1) };
   SplitInteger(MakeLibCall(LC, VT, Ops, 2, isSigned), Lo, Hi);

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp?rev=53458&r1=53457&r2=53458&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp Fri Jul 11 11:52:29 2008
@@ -31,10 +31,13 @@
 static void InitLibcallNames(const char **Names) {
   Names[RTLIB::SHL_I32] = "__ashlsi3";
   Names[RTLIB::SHL_I64] = "__ashldi3";
+  Names[RTLIB::SHL_I128] = "__ashlti3";
   Names[RTLIB::SRL_I32] = "__lshrsi3";
   Names[RTLIB::SRL_I64] = "__lshrdi3";
+  Names[RTLIB::SRL_I128] = "__lshrti3";
   Names[RTLIB::SRA_I32] = "__ashrsi3";
   Names[RTLIB::SRA_I64] = "__ashrdi3";
+  Names[RTLIB::SRA_I128] = "__ashrti3";
   Names[RTLIB::MUL_I32] = "__mulsi3";
   Names[RTLIB::MUL_I64] = "__muldi3";
   Names[RTLIB::MUL_I128] = "__multi3";