The PPC64 ELF ABI is "intended to use the same structure layout and calling convention rules
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
diff --git a/lib/Target/PowerPC/PPCCallingConv.td b/lib/Target/PowerPC/PPCCallingConv.td
index b75ec40..9e31b5a 100644
--- a/lib/Target/PowerPC/PPCCallingConv.td
+++ b/lib/Target/PowerPC/PPCCallingConv.td
@@ -41,10 +41,10 @@
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.
diff --git a/lib/Target/PowerPC/PPCFrameInfo.h b/lib/Target/PowerPC/PPCFrameInfo.h
index 0c72824..535e823 100644
--- a/lib/Target/PowerPC/PPCFrameInfo.h
+++ b/lib/Target/PowerPC/PPCFrameInfo.h
@@ -32,8 +32,8 @@
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 @@
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 @@
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 @@
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;
}
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 5ac8710..5efeaf4 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -1132,7 +1132,7 @@
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 @@
// 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 @@
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 @@
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 @@
}
// 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 @@
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 @@
// 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 @@
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 @@
}
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 @@
}
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 @@
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);
diff --git a/lib/Target/PowerPC/PPCInstr64Bit.td b/lib/Target/PowerPC/PPCInstr64Bit.td
index e6ede49..e82a376 100644
--- a/lib/Target/PowerPC/PPCInstr64Bit.td
+++ b/lib/Target/PowerPC/PPCInstr64Bit.td
@@ -87,11 +87,12 @@
"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 {
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index 095eab4..dbf2cf4 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -250,7 +250,7 @@
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 @@
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 @@
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 @@
&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 @@
&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 @@
// 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.
diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index eedcf3c..d1e135c 100644
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -134,8 +134,8 @@
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;