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Revert "Use the new TB_NOT_REVERSABLE flag instead of special ", which depends

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on r116007, which I am about to revert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116032 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2010-10-08 02:07:29 +00:00
parent 32f0cdba30
commit b38109fc2d
1 changed files with 20 additions and 26 deletions
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46
lib/Target/X86/X86InstrInfo.cpp
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@ -263,8 +263,8 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
{ X86::DIV64r, X86::DIV64m, 1, 0 },
{ X86::DIV8r, X86::DIV8m, 1, 0 },
{ X86::EXTRACTPSrr, X86::EXTRACTPSmr, 0, 16 },
{ X86::FsMOVAPDrr, X86::MOVSDmr | TB_NOT_REVERSABLE , 0, 0 },
{ X86::FsMOVAPSrr, X86::MOVSSmr | TB_NOT_REVERSABLE , 0, 0 },
{ X86::FsMOVAPDrr, X86::MOVSDmr, 0, 0 },
{ X86::FsMOVAPSrr, X86::MOVSSmr, 0, 0 },
{ X86::IDIV16r, X86::IDIV16m, 1, 0 },
{ X86::IDIV32r, X86::IDIV32m, 1, 0 },
{ X86::IDIV64r, X86::IDIV64m, 1, 0 },
@ -323,22 +323,18 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
};
for (unsigned i = 0, e = array_lengthof(OpTbl0); i != e; ++i) {
unsigned RegOp = OpTbl0[i][0];
unsigned MemOp = OpTbl0[i][1] & ~TB_FLAGS;
unsigned FoldedLoad = OpTbl0[i][2];
unsigned Align = OpTbl0[i][3];
unsigned RegOp = OpTbl0[i][0];
unsigned MemOp = OpTbl0[i][1];
unsigned Align = OpTbl0[i][3];
assert(!RegOp2MemOpTable0.count(RegOp) && "Duplicated entries?");
RegOp2MemOpTable0[RegOp] = std::make_pair(MemOp, Align);
// If this is not a reversable operation (because there is a many->one)
// mapping, don't insert the reverse of the operation into MemOp2RegOpTable.
if (OpTbl0[i][1] & TB_NOT_REVERSABLE)
continue;
RegOp2MemOpTable0[RegOp] = std::make_pair(MemOp,Align);
unsigned FoldedLoad = OpTbl0[i][2];
// Index 0, folded load or store.
unsigned AuxInfo = 0 | (FoldedLoad << 4) | ((FoldedLoad^1) << 5);
assert(!MemOp2RegOpTable.count(MemOp) && "Duplicated entries?");
MemOp2RegOpTable[MemOp] = std::make_pair(RegOp, AuxInfo);
if (RegOp != X86::FsMOVAPDrr && RegOp != X86::FsMOVAPSrr) {
assert(!MemOp2RegOpTable.count(MemOp) && "Duplicated entries?");
MemOp2RegOpTable[MemOp] = std::make_pair(RegOp, AuxInfo);
}
}
static const unsigned OpTbl1[][3] = {
@ -356,8 +352,8 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
{ X86::CVTTSD2SIrr, X86::CVTTSD2SIrm, 0 },
{ X86::CVTTSS2SI64rr, X86::CVTTSS2SI64rm, 0 },
{ X86::CVTTSS2SIrr, X86::CVTTSS2SIrm, 0 },
{ X86::FsMOVAPDrr, X86::MOVSDrm | TB_NOT_REVERSABLE , 0 },
{ X86::FsMOVAPSrr, X86::MOVSSrm | TB_NOT_REVERSABLE , 0 },
{ X86::FsMOVAPDrr, X86::MOVSDrm, 0 },
{ X86::FsMOVAPSrr, X86::MOVSSrm, 0 },
{ X86::IMUL16rri, X86::IMUL16rmi, 0 },
{ X86::IMUL16rri8, X86::IMUL16rmi8, 0 },
{ X86::IMUL32rri, X86::IMUL32rmi, 0 },
@ -453,20 +449,17 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
for (unsigned i = 0, e = array_lengthof(OpTbl1); i != e; ++i) {
unsigned RegOp = OpTbl1[i][0];
unsigned MemOp = OpTbl1[i][1] & ~TB_FLAGS;
unsigned MemOp = OpTbl1[i][1];
unsigned Align = OpTbl1[i][2];
assert(!RegOp2MemOpTable1.count(RegOp) && "Duplicate entries");
RegOp2MemOpTable1[RegOp] = std::make_pair(MemOp, Align);
// If this is not a reversable operation (because there is a many->one)
// mapping, don't insert the reverse of the operation into MemOp2RegOpTable.
if (OpTbl1[i][1] & TB_NOT_REVERSABLE)
continue;
RegOp2MemOpTable1[RegOp] = std::make_pair(MemOp,Align);
// Index 1, folded load
unsigned AuxInfo = 1 | (1 << 4);
assert(!MemOp2RegOpTable.count(MemOp) && "Duplicate entries");
MemOp2RegOpTable[MemOp] = std::make_pair(RegOp, AuxInfo);
if (RegOp != X86::FsMOVAPDrr && RegOp != X86::FsMOVAPSrr) {
assert(!MemOp2RegOpTable.count(MemOp) && "Duplicate entries");
MemOp2RegOpTable[MemOp] = std::make_pair(RegOp, AuxInfo);
}
}
static const unsigned OpTbl2[][3] = {
@ -678,6 +671,7 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
assert(!RegOp2MemOpTable2.count(RegOp) && "Duplicate entry!");
RegOp2MemOpTable2[RegOp] = std::make_pair(MemOp, Align);
// If this is not a reversable operation (because there is a many->one)
// mapping, don't insert the reverse of the operation into MemOp2RegOpTable.
if (OpTbl2[i][1] & TB_NOT_REVERSABLE)