[llvm-commits] [llvm] r62467 - in /llvm/trunk: include/llvm/CodeGen/RuntimeLibcalls.h lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp lib/CodeGen/SelectionDAG/TargetLowering.cpp

[Sanjiv Gupta]

Author: sgupta
Date: Sun Jan 18 12:25:27 2009
New Revision: 62467

URL: http://llvm.org/viewvc/llvm-project?rev=62467&view=rev
Log:
Few targets like PIC16 wants libcall generation for illegal type i16.


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=62467&r1=62466&r2=62467&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h (original)
+++ llvm/trunk/include/llvm/CodeGen/RuntimeLibcalls.h Sun Jan 18 12:25:27 2009
@@ -29,15 +29,19 @@
   ///
   enum Libcall {
     // Integer
+    SHL_I16,
     SHL_I32,
     SHL_I64,
     SHL_I128,
+    SRL_I16,
     SRL_I32,
     SRL_I64,
     SRL_I128,
+    SRA_I16,
     SRA_I32,
     SRA_I64,
     SRA_I128,
+    MUL_I16,
     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=62467&r1=62466&r2=62467&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp Sun Jan 18 12:25:27 2009
@@ -1586,7 +1586,9 @@
 
   // If nothing else, we can make a libcall.
   RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
-  if (VT == MVT::i32)
+  if (VT == MVT::i16)
+    LC = RTLIB::MUL_I16;
+  else if (VT == MVT::i32)
     LC = RTLIB::MUL_I32;
   else if (VT == MVT::i64)
     LC = RTLIB::MUL_I64;
@@ -1662,7 +1664,9 @@
   bool isSigned;
   if (N->getOpcode() == ISD::SHL) {
     isSigned = false; /*sign irrelevant*/
-    if (VT == MVT::i32)
+    if (VT == MVT::i16)
+      LC = RTLIB::SHL_I16;
+    else if (VT == MVT::i32)
       LC = RTLIB::SHL_I32;
     else if (VT == MVT::i64)
       LC = RTLIB::SHL_I64;
@@ -1670,7 +1674,9 @@
       LC = RTLIB::SHL_I128;
   } else if (N->getOpcode() == ISD::SRL) {
     isSigned = false;
-    if (VT == MVT::i32)
+    if (VT == MVT::i16)
+      LC = RTLIB::SRL_I16;
+    else if (VT == MVT::i32)
       LC = RTLIB::SRL_I32;
     else if (VT == MVT::i64)
       LC = RTLIB::SRL_I64;
@@ -1679,7 +1685,9 @@
   } else {
     assert(N->getOpcode() == ISD::SRA && "Unknown shift!");
     isSigned = true;
-    if (VT == MVT::i32)
+    if (VT == MVT::i16)
+      LC = RTLIB::SRA_I16;
+    else if (VT == MVT::i32)
       LC = RTLIB::SRA_I32;
     else if (VT == MVT::i64)
       LC = RTLIB::SRA_I64;

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp?rev=62467&r1=62466&r2=62467&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp Sun Jan 18 12:25:27 2009
@@ -29,15 +29,19 @@
 /// InitLibcallNames - Set default libcall names.
 ///
 static void InitLibcallNames(const char **Names) {
+  Names[RTLIB::SHL_I16] = "__ashli16";
   Names[RTLIB::SHL_I32] = "__ashlsi3";
   Names[RTLIB::SHL_I64] = "__ashldi3";
   Names[RTLIB::SHL_I128] = "__ashlti3";
+  Names[RTLIB::SRL_I16] = "__lshri16";
   Names[RTLIB::SRL_I32] = "__lshrsi3";
   Names[RTLIB::SRL_I64] = "__lshrdi3";
   Names[RTLIB::SRL_I128] = "__lshrti3";
+  Names[RTLIB::SRA_I16] = "__ashri16";
   Names[RTLIB::SRA_I32] = "__ashrsi3";
   Names[RTLIB::SRA_I64] = "__ashrdi3";
   Names[RTLIB::SRA_I128] = "__ashrti3";
+  Names[RTLIB::MUL_I16] = "__muli16";
   Names[RTLIB::MUL_I32] = "__mulsi3";
   Names[RTLIB::MUL_I64] = "__muldi3";
   Names[RTLIB::MUL_I128] = "__multi3";