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The PPC64 ELF ABI is "intended to use the same structure layout and calling convention rules

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as the 64-bit PowerOpen ABI" (Reference http://www.linux-foundation.org/spec/ELF/ppc64/).
Change all ELF tests to ELF32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35624 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nicolas Geoffray 2007-04-03 12:35:28 +00:00
parent cfcd8da70b
commit ec58d9f9dd
6 changed files with 46 additions and 92 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Target/PowerPC/PPCCallingConv.td
View File

@ -41,10 +41,10 @@ def CC_PPC : CallingConv<[
CCIfType<[i32], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10]>>,
CCIfType<[i64], CCAssignToReg<[X3, X4, X5, X6, X7, X8, X9, X10]>>,
// Darwin passes FP values in F1 - F13
// Common sub-targets passes FP values in F1 - F13
CCIfType<[f32, f64], CCIfSubtarget<"isMachoABI()",
CCAssignToReg<[F1, F2, F3, F4, F5, F6, F7, F8,F9,F10,F11,F12,F13]>>>,
// Other sub-targets pass FP values in F1-F8.
// ELF32 sub-target pass FP values in F1 - F8.
CCIfType<[f32, f64], CCAssignToReg<[F1, F2, F3, F4, F5, F6, F7, F8]>>,
// The first 12 Vector arguments are passed in altivec registers.

14
lib/Target/PowerPC/PPCFrameInfo.h
View File

@ -32,8 +32,8 @@ public:
static unsigned getReturnSaveOffset(bool LP64, bool isMacho) {
if (isMacho)
return LP64 ? 16 : 8;
// For ELF ABI:
return LP64 ? 8 : 4;
// For ELF 32 ABI:
return 4;
}
/// getFramePointerSaveOffset - Return the previous frame offset to save the
@ -46,9 +46,9 @@ public:
if (isMacho)
return LP64 ? 40 : 20;
// For ELF ABI:
// For ELF 32 ABI:
// Save it right before the link register
return LP64 ? -8 : -4;
return -4;
}
/// getLinkageSize - Return the size of the PowerPC ABI linkage area.
@ -57,8 +57,8 @@ public:
if (isMacho)
return 6 * (LP64 ? 8 : 4);
// For ELF ABI:
return LP64 ? 16 : 8;
// For ELF 32 ABI:
return 8;
}
/// getMinCallArgumentsSize - Return the size of the minium PowerPC ABI
@ -73,7 +73,7 @@ public:
if (isMacho)
return 8 * (LP64 ? 8 : 4);
// For Linux ABI:
// For ELF 32 ABI:
// There is no default stack allocated for the 8 first GPR arguments.
return 0;
}

26
lib/Target/PowerPC/PPCISelLowering.cpp
View File

@ -1132,7 +1132,7 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
MVT::ValueType PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
bool isPPC64 = PtrVT == MVT::i64;
bool isMachoABI = Subtarget.isMachoABI();
bool isELF_ABI = Subtarget.isELF_ABI();
bool isELF32_ABI = Subtarget.isELF32_ABI();
unsigned PtrByteSize = isPPC64 ? 8 : 4;
unsigned ArgOffset = PPCFrameInfo::getLinkageSize(isPPC64, isMachoABI);
@ -1165,7 +1165,7 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
// entry to a function on PPC, the arguments start after the linkage area,
// although the first ones are often in registers.
//
// In the ELF ABI, GPRs and stack are double word align: an argument
// In the ELF 32 ABI, GPRs and stack are double word align: an argument
// represented with two words (long long or double) must be copied to an
// even GPR_idx value or to an even ArgOffset value.
@ -1187,7 +1187,7 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
default: assert(0 && "Unhandled argument type!");
case MVT::i32:
// Double word align in ELF
if (Expand && isELF_ABI && !isPPC64) GPR_idx += (GPR_idx % 2);
if (Expand && isELF32_ABI) GPR_idx += (GPR_idx % 2);
if (GPR_idx != Num_GPR_Regs) {
unsigned VReg = RegMap->createVirtualRegister(&PPC::GPRCRegClass);
MF.addLiveIn(GPR[GPR_idx], VReg);
@ -1198,7 +1198,7 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
ArgSize = PtrByteSize;
}
// Stack align in ELF
if (needsLoad && Expand && isELF_ABI && !isPPC64)
if (needsLoad && Expand && isELF32_ABI)
ArgOffset += ((ArgOffset/4) % 2) * PtrByteSize;
// All int arguments reserve stack space in Macho ABI.
if (isMachoABI || needsLoad) ArgOffset += PtrByteSize;
@ -1240,7 +1240,7 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
}
// Stack align in ELF
if (needsLoad && Expand && isELF_ABI && !isPPC64)
if (needsLoad && Expand && isELF32_ABI)
ArgOffset += ((ArgOffset/4) % 2) * PtrByteSize;
// All FP arguments reserve stack space in Macho ABI.
if (isMachoABI || needsLoad) ArgOffset += isPPC64 ? 8 : ObjSize;
@ -1344,7 +1344,7 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG,
unsigned NumOps = (Op.getNumOperands() - 5) / 2;
bool isMachoABI = Subtarget.isMachoABI();
bool isELF_ABI = Subtarget.isELF_ABI();
bool isELF32_ABI = Subtarget.isELF32_ABI();
MVT::ValueType PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
bool isPPC64 = PtrVT == MVT::i64;
@ -1432,8 +1432,8 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG,
// register cannot be found for it.
SDOperand PtrOff;
// Stack align in ELF
if (isELF_ABI && Expand && !isPPC64)
// Stack align in ELF 32
if (isELF32_ABI && Expand)
PtrOff = DAG.getConstant(ArgOffset + ((ArgOffset/4) % 2) * PtrByteSize,
StackPtr.getValueType());
else
@ -1453,7 +1453,7 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG,
case MVT::i32:
case MVT::i64:
// Double word align in ELF
if (isELF_ABI && Expand && !isPPC64) GPR_idx += (GPR_idx % 2);
if (isELF32_ABI && Expand) GPR_idx += (GPR_idx % 2);
if (GPR_idx != NumGPRs) {
RegsToPass.push_back(std::make_pair(GPR[GPR_idx++], Arg));
} else {
@ -1462,7 +1462,7 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG,
}
if (inMem || isMachoABI) {
// Stack align in ELF
if (isELF_ABI && Expand && !isPPC64)
if (isELF32_ABI && Expand)
ArgOffset += ((ArgOffset/4) % 2) * PtrByteSize;
ArgOffset += PtrByteSize;
@ -1516,7 +1516,7 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG,
}
if (inMem || isMachoABI) {
// Stack align in ELF
if (isELF_ABI && Expand && !isPPC64)
if (isELF32_ABI && Expand)
ArgOffset += ((ArgOffset/4) % 2) * PtrByteSize;
if (isPPC64)
ArgOffset += 8;
@ -1548,8 +1548,8 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG,
InFlag = Chain.getValue(1);
}
// With the ELF ABI, set CR6 to true if this is a vararg call.
if (isVarArg && isELF_ABI) {
// With the ELF 32 ABI, set CR6 to true if this is a vararg call.
if (isVarArg && isELF32_ABI) {
SDOperand SetCR(DAG.getTargetNode(PPC::SETCR, MVT::i32), 0);
Chain = DAG.getCopyToReg(Chain, PPC::CR6, SetCR, InFlag);
InFlag = Chain.getValue(1);

5
lib/Target/PowerPC/PPCInstr64Bit.td
View File

@ -87,11 +87,12 @@ let isCall = 1, noResults = 1, PPC970_Unit = 7,
"bla $func", BrB, [(PPCcall_Macho (i64 imm:$func))]>;
}
// ELF ABI Calls.
// ELF 64 ABI Calls = Macho ABI Calls
// Used to define BL8_ELF and BLA8_ELF
let isCall = 1, noResults = 1, PPC970_Unit = 7,
// All calls clobber the PPC64 non-callee saved registers.
Defs = [X0,X2,X3,X4,X5,X6,X7,X8,X9,X10,X11,X12,
F0,F1,F2,F3,F4,F5,F6,F7,F8,
F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
LR8,CTR8,
CR0,CR1,CR5,CR6,CR7] in {

85
lib/Target/PowerPC/PPCRegisterInfo.cpp
View File

@ -250,7 +250,7 @@ void PPCRegisterInfo::reMaterialize(MachineBasicBlock &MBB,
const unsigned* PPCRegisterInfo::getCalleeSavedRegs() const {
// 32-bit Darwin calling convention.
static const unsigned Darwin32_CalleeSavedRegs[] = {
static const unsigned Macho32_CalleeSavedRegs[] = {
PPC::R13, PPC::R14, PPC::R15,
PPC::R16, PPC::R17, PPC::R18, PPC::R19,
PPC::R20, PPC::R21, PPC::R22, PPC::R23,
@ -294,7 +294,7 @@ const unsigned* PPCRegisterInfo::getCalleeSavedRegs() const {
PPC::LR, 0
};
// 64-bit Darwin calling convention.
static const unsigned Darwin64_CalleeSavedRegs[] = {
static const unsigned Macho64_CalleeSavedRegs[] = {
PPC::X14, PPC::X15,
PPC::X16, PPC::X17, PPC::X18, PPC::X19,
PPC::X20, PPC::X21, PPC::X22, PPC::X23,
@ -315,41 +315,18 @@ const unsigned* PPCRegisterInfo::getCalleeSavedRegs() const {
PPC::LR8, 0
};
static const unsigned ELF64_CalleeSavedRegs[] = {
PPC::X14, PPC::X15,
PPC::X16, PPC::X17, PPC::X18, PPC::X19,
PPC::X20, PPC::X21, PPC::X22, PPC::X23,
PPC::X24, PPC::X25, PPC::X26, PPC::X27,
PPC::X28, PPC::X29, PPC::X30, PPC::X31,
PPC::F9,
PPC::F10, PPC::F11, PPC::F12, PPC::F13,
PPC::F14, PPC::F15, PPC::F16, PPC::F17,
PPC::F18, PPC::F19, PPC::F20, PPC::F21,
PPC::F22, PPC::F23, PPC::F24, PPC::F25,
PPC::F26, PPC::F27, PPC::F28, PPC::F29,
PPC::F30, PPC::F31,
PPC::CR2, PPC::CR3, PPC::CR4,
PPC::V20, PPC::V21, PPC::V22, PPC::V23,
PPC::V24, PPC::V25, PPC::V26, PPC::V27,
PPC::V28, PPC::V29, PPC::V30, PPC::V31,
PPC::LR8, 0
};
if (Subtarget.isMachoABI())
return Subtarget.isPPC64() ? Darwin64_CalleeSavedRegs :
Darwin32_CalleeSavedRegs;
return Subtarget.isPPC64() ? Macho64_CalleeSavedRegs :
Macho32_CalleeSavedRegs;
// ELF.
return Subtarget.isPPC64() ? ELF64_CalleeSavedRegs : ELF32_CalleeSavedRegs;
// ELF 32.
return ELF32_CalleeSavedRegs;
}
const TargetRegisterClass* const*
PPCRegisterInfo::getCalleeSavedRegClasses() const {
// 32-bit Darwin calling convention.
static const TargetRegisterClass * const Darwin32_CalleeSavedRegClasses[] = {
// 32-bit Macho calling convention.
static const TargetRegisterClass * const Macho32_CalleeSavedRegClasses[] = {
&PPC::GPRCRegClass,&PPC::GPRCRegClass,&PPC::GPRCRegClass,
&PPC::GPRCRegClass,&PPC::GPRCRegClass,&PPC::GPRCRegClass,&PPC::GPRCRegClass,
&PPC::GPRCRegClass,&PPC::GPRCRegClass,&PPC::GPRCRegClass,&PPC::GPRCRegClass,
@ -395,8 +372,8 @@ PPCRegisterInfo::getCalleeSavedRegClasses() const {
&PPC::GPRCRegClass, 0
};
// 64-bit Darwin calling convention.
static const TargetRegisterClass * const Darwin64_CalleeSavedRegClasses[] = {
// 64-bit Macho calling convention.
static const TargetRegisterClass * const Macho64_CalleeSavedRegClasses[] = {
&PPC::G8RCRegClass,&PPC::G8RCRegClass,
&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,
&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,
@ -418,37 +395,12 @@ PPCRegisterInfo::getCalleeSavedRegClasses() const {
&PPC::G8RCRegClass, 0
};
static const TargetRegisterClass * const ELF64_CalleeSavedRegClasses[] = {
&PPC::G8RCRegClass,&PPC::G8RCRegClass,
&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,
&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,
&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,
&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,&PPC::G8RCRegClass,
&PPC::F8RCRegClass,
&PPC::F8RCRegClass,&PPC::F8RCRegClass,&PPC::F8RCRegClass,&PPC::F8RCRegClass,
&PPC::F8RCRegClass,&PPC::F8RCRegClass,&PPC::F8RCRegClass,&PPC::F8RCRegClass,
&PPC::F8RCRegClass,&PPC::F8RCRegClass,&PPC::F8RCRegClass,&PPC::F8RCRegClass,
&PPC::F8RCRegClass,&PPC::F8RCRegClass,&PPC::F8RCRegClass,&PPC::F8RCRegClass,
&PPC::F8RCRegClass,&PPC::F8RCRegClass,&PPC::F8RCRegClass,&PPC::F8RCRegClass,
&PPC::F8RCRegClass,&PPC::F8RCRegClass,
&PPC::CRRCRegClass,&PPC::CRRCRegClass,&PPC::CRRCRegClass,
&PPC::VRRCRegClass,&PPC::VRRCRegClass,&PPC::VRRCRegClass,&PPC::VRRCRegClass,
&PPC::VRRCRegClass,&PPC::VRRCRegClass,&PPC::VRRCRegClass,&PPC::VRRCRegClass,
&PPC::VRRCRegClass,&PPC::VRRCRegClass,&PPC::VRRCRegClass,&PPC::VRRCRegClass,
&PPC::G8RCRegClass, 0
};
if (Subtarget.isMachoABI())
return Subtarget.isPPC64() ? Darwin64_CalleeSavedRegClasses :
Darwin32_CalleeSavedRegClasses;
return Subtarget.isPPC64() ? Macho64_CalleeSavedRegClasses :
Macho32_CalleeSavedRegClasses;
// ELF.
return Subtarget.isPPC64() ? ELF64_CalleeSavedRegClasses :
ELF32_CalleeSavedRegClasses;
// ELF 32.
return ELF32_CalleeSavedRegClasses;
}
// needsFP - Return true if the specified function should have a dedicated frame
@ -900,15 +852,16 @@ void PPCRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
// Save R31 if necessary
int FPSI = FI->getFramePointerSaveIndex();
bool IsPPC64 = Subtarget.isPPC64();
bool IsELF_ABI = Subtarget.isELF_ABI();
bool IsELF32_ABI = Subtarget.isELF32_ABI();
bool IsMachoABI = Subtarget.isMachoABI();
const MachineFrameInfo *MFI = MF.getFrameInfo();
// If the frame pointer save index hasn't been defined yet.
if (!FPSI && (NoFramePointerElim || MFI->hasVarSizedObjects())
&& IsELF_ABI) {
&& IsELF32_ABI) {
// Find out what the fix offset of the frame pointer save area.
int FPOffset = PPCFrameInfo::getFramePointerSaveOffset(IsPPC64,
!IsELF_ABI);
int FPOffset = PPCFrameInfo::getFramePointerSaveOffset(IsPPC64,
IsMachoABI);
// Allocate the frame index for frame pointer save area.
FPSI = MF.getFrameInfo()->CreateFixedObject(IsPPC64? 8 : 4, FPOffset);
// Save the result.

4
lib/Target/PowerPC/PPCSubtarget.h
View File

@ -134,8 +134,8 @@ public:
bool isDarwin() const { return IsDarwin; }
bool isMachoABI() const { return IsDarwin; }
bool isELF_ABI() const { return !IsDarwin; }
bool isMachoABI() const { return IsDarwin || IsPPC64; }
bool isELF32_ABI() const { return !IsDarwin && !IsPPC64; }
unsigned getAsmFlavor() const {
return AsmFlavor != Unset ? unsigned(AsmFlavor) : 0;