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Few targets like PIC16 wants libcall generation for illegal type i16.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62467 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjiv Gupta 2009-01-18 18:25:27 +00:00
parent 2cb560f6ef
commit 15c94d08ab
3 changed files with 20 additions and 4 deletions
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4
include/llvm/CodeGen/RuntimeLibcalls.h
View File

@ -29,15 +29,19 @@ namespace RTLIB {
///
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,

16
lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
View File

@ -1586,7 +1586,9 @@ void DAGTypeLegalizer::ExpandIntRes_MUL(SDNode *N,
// 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 @@ void DAGTypeLegalizer::ExpandIntRes_Shift(SDNode *N,
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 @@ void DAGTypeLegalizer::ExpandIntRes_Shift(SDNode *N,
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 @@ void DAGTypeLegalizer::ExpandIntRes_Shift(SDNode *N,
} 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;

4
lib/CodeGen/SelectionDAG/TargetLowering.cpp
View File

@ -29,15 +29,19 @@ using namespace llvm;
/// 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";