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Add support for __fixdfdi(), __floatdisf(), and __floatdidf() external functions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14703 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2004-07-08 19:41:16 +00:00
parent 4bb2867bc1
commit f3f6382423
2 changed files with 22 additions and 6 deletions
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14
lib/Target/PowerPC/PPC32ISelSimple.cpp
View File

@ -79,7 +79,8 @@ namespace {
std::map<Value*, unsigned> RegMap; // Mapping between Val's and SSA Regs
// External functions used in the Module
Function *fmodFn, *__moddi3Fn, *__divdi3Fn, *__umoddi3Fn, *__udivdi3Fn;
Function *fmodFn, *__moddi3Fn, *__divdi3Fn, *__umoddi3Fn, *__udivdi3Fn,
*__fixdfdiFn, *__floatdisfFn, *__floatdidfFn;
// MBBMap - Mapping between LLVM BB -> Machine BB
std::map<const BasicBlock*, MachineBasicBlock*> MBBMap;
@ -93,6 +94,7 @@ namespace {
bool doInitialization(Module &M) {
// Add external functions that we may call
Type *d = Type::DoubleTy;
Type *f = Type::FloatTy;
Type *l = Type::LongTy;
Type *ul = Type::ULongTy;
// double fmod(double, double);
@ -105,6 +107,12 @@ namespace {
__umoddi3Fn = M.getOrInsertFunction("__umoddi3", ul, ul, ul, 0);
// unsigned long __udivdi3(unsigned long, unsigned long);
__udivdi3Fn = M.getOrInsertFunction("__udivdi3", ul, ul, ul, 0);
// long __fixdfdi(double)
__fixdfdiFn = M.getOrInsertFunction("__fixdfdi", l, d, 0);
// float __floatdisf(long)
__floatdisfFn = M.getOrInsertFunction("__floatdisf", f, l, 0);
// double __floatdidf(long)
__floatdidfFn = M.getOrInsertFunction("__floatdidf", d, l, 0);
return false;
}
@ -2487,7 +2495,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
std::vector<ValueRecord> Args;
Args.push_back(ValueRecord(SrcReg, SrcTy));
MachineInstr *TheCall =
BuildMI(PPC32::CALLpcrel, 1).addExternalSymbol("__floatdidf", true);
BuildMI(PPC32::CALLpcrel, 1).addGlobalAddress(__floatdidfFn, true);
doCall(ValueRecord(DestReg, DestTy), TheCall, Args, false);
return;
}
@ -2580,7 +2588,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
std::vector<ValueRecord> Args;
Args.push_back(ValueRecord(SrcReg, SrcTy));
MachineInstr *TheCall =
BuildMI(PPC32::CALLpcrel, 1).addExternalSymbol("__fixdfdi", true);
BuildMI(PPC32::CALLpcrel, 1).addGlobalAddress(__fixdfdiFn, true);
doCall(ValueRecord(DestReg, DestTy), TheCall, Args, false);
return;
}

14
lib/Target/PowerPC/PowerPCISelSimple.cpp
View File

@ -79,7 +79,8 @@ namespace {
std::map<Value*, unsigned> RegMap; // Mapping between Val's and SSA Regs
// External functions used in the Module
Function *fmodFn, *__moddi3Fn, *__divdi3Fn, *__umoddi3Fn, *__udivdi3Fn;
Function *fmodFn, *__moddi3Fn, *__divdi3Fn, *__umoddi3Fn, *__udivdi3Fn,
*__fixdfdiFn, *__floatdisfFn, *__floatdidfFn;
// MBBMap - Mapping between LLVM BB -> Machine BB
std::map<const BasicBlock*, MachineBasicBlock*> MBBMap;
@ -93,6 +94,7 @@ namespace {
bool doInitialization(Module &M) {
// Add external functions that we may call
Type *d = Type::DoubleTy;
Type *f = Type::FloatTy;
Type *l = Type::LongTy;
Type *ul = Type::ULongTy;
// double fmod(double, double);
@ -105,6 +107,12 @@ namespace {
__umoddi3Fn = M.getOrInsertFunction("__umoddi3", ul, ul, ul, 0);
// unsigned long __udivdi3(unsigned long, unsigned long);
__udivdi3Fn = M.getOrInsertFunction("__udivdi3", ul, ul, ul, 0);
// long __fixdfdi(double)
__fixdfdiFn = M.getOrInsertFunction("__fixdfdi", l, d, 0);
// float __floatdisf(long)
__floatdisfFn = M.getOrInsertFunction("__floatdisf", f, l, 0);
// double __floatdidf(long)
__floatdidfFn = M.getOrInsertFunction("__floatdidf", d, l, 0);
return false;
}
@ -2487,7 +2495,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
std::vector<ValueRecord> Args;
Args.push_back(ValueRecord(SrcReg, SrcTy));
MachineInstr *TheCall =
BuildMI(PPC32::CALLpcrel, 1).addExternalSymbol("__floatdidf", true);
BuildMI(PPC32::CALLpcrel, 1).addGlobalAddress(__floatdidfFn, true);
doCall(ValueRecord(DestReg, DestTy), TheCall, Args, false);
return;
}
@ -2580,7 +2588,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
std::vector<ValueRecord> Args;
Args.push_back(ValueRecord(SrcReg, SrcTy));
MachineInstr *TheCall =
BuildMI(PPC32::CALLpcrel, 1).addExternalSymbol("__fixdfdi", true);
BuildMI(PPC32::CALLpcrel, 1).addGlobalAddress(__fixdfdiFn, true);
doCall(ValueRecord(DestReg, DestTy), TheCall, Args, false);
return;
}