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Fix weird think-o and unbreak build on all gcc-3.4.x-based platforms (e.g. mingw)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57106 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2008-10-05 08:53:29 +00:00
parent b1ac769873
commit 6381a1334a
3 changed files with 91 additions and 98 deletions
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13
lib/Target/ARM/ARMTargetAsmInfo.cpp
View File

@ -17,6 +17,7 @@
#include <cctype>
using namespace llvm;
const char *const llvm::arm_asm_table[] = {
"{r0}", "r0",
"{r1}", "r1",
@ -42,15 +43,6 @@ const char *const llvm::arm_asm_table[] = {
"{cc}", "cc",
0,0};
// Instantiate 'common' cases.
TEMPLATE_INSTANTIATION(class ARMTargetAsmInfo<TargetAsmInfo>);
TEMPLATE_INSTANTIATION(
unsigned ARMTargetAsmInfo<TargetAsmInfo>::getInlineAsmLength(const char*) const);
TEMPLATE_INSTANTIATION(
unsigned ARMTargetAsmInfo<TargetAsmInfo>::countArguments(const char*) const);
TEMPLATE_INSTANTIATION(
unsigned ARMTargetAsmInfo<TargetAsmInfo>::countString(const char*) const);
ARMDarwinTargetAsmInfo::ARMDarwinTargetAsmInfo(const ARMTargetMachine &TM):
ARMTargetAsmInfo<DarwinTargetAsmInfo>(TM) {
Subtarget = &DTM->getSubtarget<ARMSubtarget>();
@ -288,3 +280,6 @@ unsigned ARMTargetAsmInfo<BaseTAI>::getInlineAsmLength(const char *s) const {
free(s_copy);
return Length;
}
// Instantiate default implementation.
TEMPLATE_INSTANTIATION(class ARMTargetAsmInfo<TargetAsmInfo>);

5
lib/Target/PowerPC/PPCTargetAsmInfo.cpp
View File

@ -19,8 +19,6 @@
using namespace llvm;
using namespace llvm::dwarf;
TEMPLATE_INSTANTIATION(class PPCTargetAsmInfo<TargetAsmInfo>);
PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(const PPCTargetMachine &TM):
PPCTargetAsmInfo<DarwinTargetAsmInfo>(TM) {
PCSymbol = ".";
@ -148,3 +146,6 @@ PPCLinuxTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
// We really need to write something here.
return TargetAsmInfo::PreferredEHDataFormat(Reason, Global);
}
// Instantiate default implementation.
TEMPLATE_INSTANTIATION(class PPCTargetAsmInfo<TargetAsmInfo>);

171
lib/Target/X86/X86TargetAsmInfo.cpp
View File

@ -37,93 +37,6 @@ const char *const llvm::x86_asm_table[] = {
"{cc}", "cc",
0,0};
TEMPLATE_INSTANTIATION(class X86TargetAsmInfo<TargetAsmInfo>);
TEMPLATE_INSTANTIATION(
bool X86TargetAsmInfo<TargetAsmInfo>::ExpandInlineAsm(CallInst*) const);
TEMPLATE_INSTANTIATION(
bool X86TargetAsmInfo<TargetAsmInfo>::LowerToBSwap(CallInst*) const);
template <class BaseTAI>
bool X86TargetAsmInfo<BaseTAI>::LowerToBSwap(CallInst *CI) const {
// FIXME: this should verify that we are targetting a 486 or better. If not,
// we will turn this bswap into something that will be lowered to logical ops
// instead of emitting the bswap asm. For now, we don't support 486 or lower
// so don't worry about this.
// Verify this is a simple bswap.
if (CI->getNumOperands() != 2 ||
CI->getType() != CI->getOperand(1)->getType() ||
!CI->getType()->isInteger())
return false;
const IntegerType *Ty = dyn_cast<IntegerType>(CI->getType());
if (!Ty || Ty->getBitWidth() % 16 != 0)
return false;
// Okay, we can do this xform, do so now.
const Type *Tys[] = { Ty };
Module *M = CI->getParent()->getParent()->getParent();
Constant *Int = Intrinsic::getDeclaration(M, Intrinsic::bswap, Tys, 1);
Value *Op = CI->getOperand(1);
Op = CallInst::Create(Int, Op, CI->getName(), CI);
CI->replaceAllUsesWith(Op);
CI->eraseFromParent();
return true;
}
template <class BaseTAI>
bool X86TargetAsmInfo<BaseTAI>::ExpandInlineAsm(CallInst *CI) const {
InlineAsm *IA = cast<InlineAsm>(CI->getCalledValue());
std::vector<InlineAsm::ConstraintInfo> Constraints = IA->ParseConstraints();
std::string AsmStr = IA->getAsmString();
// TODO: should remove alternatives from the asmstring: "foo {a|b}" -> "foo a"
std::vector<std::string> AsmPieces;
SplitString(AsmStr, AsmPieces, "\n"); // ; as separator?
switch (AsmPieces.size()) {
default: return false;
case 1:
AsmStr = AsmPieces[0];
AsmPieces.clear();
SplitString(AsmStr, AsmPieces, " \t"); // Split with whitespace.
// bswap $0
if (AsmPieces.size() == 2 &&
AsmPieces[0] == "bswap" && AsmPieces[1] == "$0") {
// No need to check constraints, nothing other than the equivalent of
// "=r,0" would be valid here.
return LowerToBSwap(CI);
}
break;
case 3:
if (CI->getType() == Type::Int64Ty && Constraints.size() >= 2 &&
Constraints[0].Codes.size() == 1 && Constraints[0].Codes[0] == "A" &&
Constraints[1].Codes.size() == 1 && Constraints[1].Codes[0] == "0") {
// bswap %eax / bswap %edx / xchgl %eax, %edx -> llvm.bswap.i64
std::vector<std::string> Words;
SplitString(AsmPieces[0], Words, " \t");
if (Words.size() == 2 && Words[0] == "bswap" && Words[1] == "%eax") {
Words.clear();
SplitString(AsmPieces[1], Words, " \t");
if (Words.size() == 2 && Words[0] == "bswap" && Words[1] == "%edx") {
Words.clear();
SplitString(AsmPieces[2], Words, " \t,");
if (Words.size() == 3 && Words[0] == "xchgl" && Words[1] == "%eax" &&
Words[2] == "%edx") {
return LowerToBSwap(CI);
}
}
}
}
break;
}
return false;
}
X86DarwinTargetAsmInfo::X86DarwinTargetAsmInfo(const X86TargetMachine &TM):
X86TargetAsmInfo<DarwinTargetAsmInfo>(TM) {
const X86Subtarget* Subtarget = &DTM->getSubtarget<X86Subtarget>();
@ -433,3 +346,87 @@ X86WinTargetAsmInfo::X86WinTargetAsmInfo(const X86TargetMachine &TM):
DataSectionStartSuffix = "\tsegment 'DATA'";
SectionEndDirectiveSuffix = "\tends\n";
}
template <class BaseTAI>
bool X86TargetAsmInfo<BaseTAI>::LowerToBSwap(CallInst *CI) const {
// FIXME: this should verify that we are targetting a 486 or better. If not,
// we will turn this bswap into something that will be lowered to logical ops
// instead of emitting the bswap asm. For now, we don't support 486 or lower
// so don't worry about this.
// Verify this is a simple bswap.
if (CI->getNumOperands() != 2 ||
CI->getType() != CI->getOperand(1)->getType() ||
!CI->getType()->isInteger())
return false;
const IntegerType *Ty = dyn_cast<IntegerType>(CI->getType());
if (!Ty || Ty->getBitWidth() % 16 != 0)
return false;
// Okay, we can do this xform, do so now.
const Type *Tys[] = { Ty };
Module *M = CI->getParent()->getParent()->getParent();
Constant *Int = Intrinsic::getDeclaration(M, Intrinsic::bswap, Tys, 1);
Value *Op = CI->getOperand(1);
Op = CallInst::Create(Int, Op, CI->getName(), CI);
CI->replaceAllUsesWith(Op);
CI->eraseFromParent();
return true;
}
template <class BaseTAI>
bool X86TargetAsmInfo<BaseTAI>::ExpandInlineAsm(CallInst *CI) const {
InlineAsm *IA = cast<InlineAsm>(CI->getCalledValue());
std::vector<InlineAsm::ConstraintInfo> Constraints = IA->ParseConstraints();
std::string AsmStr = IA->getAsmString();
// TODO: should remove alternatives from the asmstring: "foo {a|b}" -> "foo a"
std::vector<std::string> AsmPieces;
SplitString(AsmStr, AsmPieces, "\n"); // ; as separator?
switch (AsmPieces.size()) {
default: return false;
case 1:
AsmStr = AsmPieces[0];
AsmPieces.clear();
SplitString(AsmStr, AsmPieces, " \t"); // Split with whitespace.
// bswap $0
if (AsmPieces.size() == 2 &&
AsmPieces[0] == "bswap" && AsmPieces[1] == "$0") {
// No need to check constraints, nothing other than the equivalent of
// "=r,0" would be valid here.
return LowerToBSwap(CI);
}
break;
case 3:
if (CI->getType() == Type::Int64Ty && Constraints.size() >= 2 &&
Constraints[0].Codes.size() == 1 && Constraints[0].Codes[0] == "A" &&
Constraints[1].Codes.size() == 1 && Constraints[1].Codes[0] == "0") {
// bswap %eax / bswap %edx / xchgl %eax, %edx -> llvm.bswap.i64
std::vector<std::string> Words;
SplitString(AsmPieces[0], Words, " \t");
if (Words.size() == 2 && Words[0] == "bswap" && Words[1] == "%eax") {
Words.clear();
SplitString(AsmPieces[1], Words, " \t");
if (Words.size() == 2 && Words[0] == "bswap" && Words[1] == "%edx") {
Words.clear();
SplitString(AsmPieces[2], Words, " \t,");
if (Words.size() == 3 && Words[0] == "xchgl" && Words[1] == "%eax" &&
Words[2] == "%edx") {
return LowerToBSwap(CI);
}
}
}
}
break;
}
return false;
}
// Instantiate default implementation.
TEMPLATE_INSTANTIATION(class X86TargetAsmInfo<TargetAsmInfo>);