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Add support to the old JIT for acquire/release loads and stores on x86. PR11207.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142841 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-10-24 20:24:21 +00:00
parent 5f4e02cbf1
commit 3f3f6b067c
1 changed files with 24 additions and 9 deletions
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33
lib/Target/X86/X86CodeEmitter.cpp
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@ -589,6 +589,13 @@ void Emitter<CodeEmitter>::emitMemModRMByte(const MachineInstr &MI,
}
}
static const MCInstrDesc *UpdateOp(MachineInstr &MI, const X86InstrInfo *II,
unsigned Opcode) {
const MCInstrDesc *Desc = &II->get(Opcode);
MI.setDesc(*Desc);
return Desc;
}
template<class CodeEmitter>
void Emitter<CodeEmitter>::emitInstruction(MachineInstr &MI,
const MCInstrDesc *Desc) {
@ -596,15 +603,23 @@ void Emitter<CodeEmitter>::emitInstruction(MachineInstr &MI,
// If this is a pseudo instruction, lower it.
switch (Desc->getOpcode()) {
case X86::ADD16rr_DB: Desc = &II->get(X86::OR16rr); MI.setDesc(*Desc);break;
case X86::ADD32rr_DB: Desc = &II->get(X86::OR32rr); MI.setDesc(*Desc);break;
case X86::ADD64rr_DB: Desc = &II->get(X86::OR64rr); MI.setDesc(*Desc);break;
case X86::ADD16ri_DB: Desc = &II->get(X86::OR16ri); MI.setDesc(*Desc);break;
case X86::ADD32ri_DB: Desc = &II->get(X86::OR32ri); MI.setDesc(*Desc);break;
case X86::ADD64ri32_DB:Desc = &II->get(X86::OR64ri32);MI.setDesc(*Desc);break;
case X86::ADD16ri8_DB: Desc = &II->get(X86::OR16ri8);MI.setDesc(*Desc);break;
case X86::ADD32ri8_DB: Desc = &II->get(X86::OR32ri8);MI.setDesc(*Desc);break;
case X86::ADD64ri8_DB: Desc = &II->get(X86::OR64ri8);MI.setDesc(*Desc);break;
case X86::ADD16rr_DB: Desc = UpdateOp(MI, II, X86::OR16rr); break;
case X86::ADD32rr_DB: Desc = UpdateOp(MI, II, X86::OR32rr); break;
case X86::ADD64rr_DB: Desc = UpdateOp(MI, II, X86::OR64rr); break;
case X86::ADD16ri_DB: Desc = UpdateOp(MI, II, X86::OR16ri); break;
case X86::ADD32ri_DB: Desc = UpdateOp(MI, II, X86::OR32ri); break;
case X86::ADD64ri32_DB: Desc = UpdateOp(MI, II, X86::OR64ri32); break;
case X86::ADD16ri8_DB: Desc = UpdateOp(MI, II, X86::OR16ri8); break;
case X86::ADD32ri8_DB: Desc = UpdateOp(MI, II, X86::OR32ri8); break;
case X86::ADD64ri8_DB: Desc = UpdateOp(MI, II, X86::OR64ri8); break;
case X86::ACQUIRE_MOV8rm: Desc = UpdateOp(MI, II, X86::MOV8rm); break;
case X86::ACQUIRE_MOV16rm: Desc = UpdateOp(MI, II, X86::MOV16rm); break;
case X86::ACQUIRE_MOV32rm: Desc = UpdateOp(MI, II, X86::MOV32rm); break;
case X86::ACQUIRE_MOV64rm: Desc = UpdateOp(MI, II, X86::MOV64rm); break;
case X86::RELEASE_MOV8mr: Desc = UpdateOp(MI, II, X86::MOV8mr); break;
case X86::RELEASE_MOV16mr: Desc = UpdateOp(MI, II, X86::MOV16mr); break;
case X86::RELEASE_MOV32mr: Desc = UpdateOp(MI, II, X86::MOV32mr); break;
case X86::RELEASE_MOV64mr: Desc = UpdateOp(MI, II, X86::MOV64mr); break;
}