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Resort tables 

llvm-svn: 7541
This commit is contained in:
Chris Lattner 2003-08-03 21:56:36 +00:00
parent df14300577
commit 637eebbfc1
1 changed files with 21 additions and 17 deletions
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38
llvm/lib/Target/X86/FloatingPoint.cpp
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@ -259,21 +259,25 @@ static int Lookup(const TableEntry *Table, unsigned N, unsigned Opcode) {
// element is an instruction, the second is the version which pops.
//
static const TableEntry PopTable[] = {
{ X86::FSTr32 , X86::FSTPr32 },
{ X86::FSTr64 , X86::FSTPr64 },
{ X86::FSTrr , X86::FSTPrr },
{ X86::FADDrST0 , X86::FADDPrST0 },
{ X86::FDIVRrST0, X86::FDIVRPrST0 },
{ X86::FDIVrST0 , X86::FDIVPrST0 },
{ X86::FISTr16 , X86::FISTPr16 },
{ X86::FISTr32 , X86::FISTPr32 },
{ X86::FADDrST0 , X86::FADDPrST0 },
{ X86::FSUBrST0 , X86::FSUBPrST0 },
{ X86::FSUBRrST0, X86::FSUBRPrST0 },
{ X86::FMULrST0 , X86::FMULPrST0 },
{ X86::FDIVrST0 , X86::FDIVPrST0 },
{ X86::FDIVRrST0, X86::FDIVRPrST0 },
{ X86::FUCOMr , X86::FUCOMPr },
{ X86::FSTr32 , X86::FSTPr32 },
{ X86::FSTr64 , X86::FSTPr64 },
{ X86::FSTrr , X86::FSTPrr },
{ X86::FSUBRrST0, X86::FSUBRPrST0 },
{ X86::FSUBrST0 , X86::FSUBPrST0 },
{ X86::FUCOMPr , X86::FUCOMPPr },
{ X86::FUCOMr , X86::FUCOMPr },
};
/// popStackAfter - Pop the current value off of the top of the FP stack after
@ -363,36 +367,36 @@ void FPS::handleOneArgFP(MachineBasicBlock::iterator &I) {
// ForwardST0Table - Map: A = B op C into: ST(0) = ST(0) op ST(i)
static const TableEntry ForwardST0Table[] = {
{ X86::FpADD, X86::FADDST0r },
{ X86::FpSUB, X86::FSUBST0r },
{ X86::FpMUL, X86::FMULST0r },
{ X86::FpDIV, X86::FDIVST0r },
{ X86::FpMUL, X86::FMULST0r },
{ X86::FpSUB, X86::FSUBST0r },
{ X86::FpUCOM, X86::FUCOMr },
};
// ReverseST0Table - Map: A = B op C into: ST(0) = ST(i) op ST(0)
static const TableEntry ReverseST0Table[] = {
{ X86::FpADD, X86::FADDST0r }, // commutative
{ X86::FpSUB, X86::FSUBRST0r },
{ X86::FpMUL, X86::FMULST0r }, // commutative
{ X86::FpDIV, X86::FDIVRST0r },
{ X86::FpMUL, X86::FMULST0r }, // commutative
{ X86::FpSUB, X86::FSUBRST0r },
{ X86::FpUCOM, ~0 },
};
// ForwardSTiTable - Map: A = B op C into: ST(i) = ST(0) op ST(i)
static const TableEntry ForwardSTiTable[] = {
{ X86::FpADD, X86::FADDrST0 }, // commutative
{ X86::FpSUB, X86::FSUBRrST0 },
{ X86::FpMUL, X86::FMULrST0 }, // commutative
{ X86::FpDIV, X86::FDIVRrST0 },
{ X86::FpMUL, X86::FMULrST0 }, // commutative
{ X86::FpSUB, X86::FSUBRrST0 },
{ X86::FpUCOM, X86::FUCOMr },
};
// ReverseSTiTable - Map: A = B op C into: ST(i) = ST(i) op ST(0)
static const TableEntry ReverseSTiTable[] = {
{ X86::FpADD, X86::FADDrST0 },
{ X86::FpSUB, X86::FSUBrST0 },
{ X86::FpMUL, X86::FMULrST0 },
{ X86::FpDIV, X86::FDIVrST0 },
{ X86::FpMUL, X86::FMULrST0 },
{ X86::FpSUB, X86::FSUBrST0 },
{ X86::FpUCOM, ~0 },
};