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Remove SPARC backend getpcx instruction's Uses. Also, insert an assert to

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ensure %o7 is not assigned as the destination of getpcx instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123304 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Venkatraman Govindaraju 2011-01-12 03:52:59 +00:00
parent d318fc2ceb
commit c178308b23
2 changed files with 5 additions and 3 deletions
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6
lib/Target/Sparc/SparcAsmPrinter.cpp
View File

@ -145,6 +145,8 @@ bool SparcAsmPrinter::printGetPCX(const MachineInstr *MI, unsigned opNum,
case MachineOperand::MO_Register: case MachineOperand::MO_Register:
assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) && assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
"Operand is not a physical register "); "Operand is not a physical register ");
assert(MO.getReg() != SP::O7 &&
"%o7 is assigned as destination for getpcx!");
operand = "%" + LowercaseString(getRegisterName(MO.getReg())); operand = "%" + LowercaseString(getRegisterName(MO.getReg()));
break; break;
} }
@ -156,8 +158,8 @@ bool SparcAsmPrinter::printGetPCX(const MachineInstr *MI, unsigned opNum,
O << "\tcall\t.LLGETPC" << mfNum << '_' << bbNum << '\n' ; O << "\tcall\t.LLGETPC" << mfNum << '_' << bbNum << '\n' ;
O << "\t sethi\t" O << "\t sethi\t"
<< "%hi(_GLOBAL_OFFSET_TABLE_+(.-.LLGETPCH" << mfNum << '_' << bbNum << ")), " << "%hi(_GLOBAL_OFFSET_TABLE_+(.-.LLGETPCH" << mfNum << '_' << bbNum
<< operand << '\n' ; << ")), " << operand << '\n' ;
O << ".LLGETPC" << mfNum << '_' << bbNum << ":\n" ; O << ".LLGETPC" << mfNum << '_' << bbNum << ":\n" ;
O << "\tor\t" << operand O << "\tor\t" << operand

2
lib/Target/Sparc/SparcInstrInfo.td
View File

@ -205,7 +205,7 @@ class Pseudo<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstSP<outs, ins, asmstr, pattern>; : InstSP<outs, ins, asmstr, pattern>;
// GETPCX for PIC // GETPCX for PIC
let Defs = [O7], Uses = [O7] in { let Defs = [O7] in {
def GETPCX : Pseudo<(outs getPCX:$getpcseq), (ins), "$getpcseq", [] >; def GETPCX : Pseudo<(outs getPCX:$getpcseq), (ins), "$getpcseq", [] >;
} }