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Remove pseudo instructions that are no longer used.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157492 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2012-05-25 20:37:40 +00:00
parent 968b09d03f
commit 65d5629065
2 changed files with 0 additions and 29 deletions
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6
lib/Target/Mips/MipsExpandPseudo.cpp
View File

@ -67,12 +67,6 @@ bool MipsExpandPseudo::runOnMachineBasicBlock(MachineBasicBlock& MBB) {
default:
++I;
continue;
case Mips::SETGP2:
// Convert "setgp2 $globalreg, $t9" to "addu $globalreg, $v0, $t9"
BuildMI(MBB, I, I->getDebugLoc(), TII->get(Mips::ADDu),
I->getOperand(0).getReg())
.addReg(Mips::V0).addReg(I->getOperand(1).getReg());
break;
case Mips::BuildPairF64:
ExpandBuildPairF64(MBB, I);
break;

23
lib/Target/Mips/MipsInstrInfo.td
View File

@ -796,29 +796,6 @@ let neverHasSideEffects = 1 in
def CPRESTORE : MipsPseudo<(outs), (ins i32imm:$loc, CPURegs:$gp),
".cprestore\t$loc", []>;
// For O32 ABI & PIC & non-fixed global base register, the following instruction
// seqeunce is emitted to set the global base register:
//
// 0. lui $2, %hi(_gp_disp)
// 1. addiu $2, $2, %lo(_gp_disp)
// 2. addu $globalbasereg, $2, $t9
//
// SETGP01 is emitted during Prologue/Epilogue insertion and then converted to
// instructions 0 and 1 in the sequence above during MC lowering.
// SETGP2 is emitted just before register allocation and converted to
// instruction 2 just prior to post-RA scheduling.
//
// These pseudo instructions are needed to ensure no instructions are inserted
// before or between instructions 0 and 1, which is a limitation imposed by
// GNU linker.
let isTerminator = 1, isBarrier = 1 in
def SETGP01 : MipsPseudo<(outs CPURegs:$dst), (ins), "", []>;
let neverHasSideEffects = 1 in
def SETGP2 : MipsPseudo<(outs CPURegs:$globalreg), (ins CPURegs:$picreg), "",
[]>;
let usesCustomInserter = 1 in {
defm ATOMIC_LOAD_ADD_I8 : Atomic2Ops32<atomic_load_add_8, "load_add_8">;
defm ATOMIC_LOAD_ADD_I16 : Atomic2Ops32<atomic_load_add_16, "load_add_16">;