//
//===----------------------------------------------------------------------===//
+#include "InstPrinter/X86ATTInstPrinter.h"
#include "X86MCInstLower.h"
#include "X86AsmPrinter.h"
#include "X86COFFMachineModuleInfo.h"
}
// Handle a few special cases to eliminate operand modifiers.
+ReSimplify:
switch (OutMI.getOpcode()) {
case X86::LEA64_32r: // Handle 'subreg rewriting' for the lea64_32mem operand.
lower_lea64_32mem(&OutMI, 1);
case X86::SETB_C64r: LowerUnaryToTwoAddr(OutMI, X86::SBB64rr); break;
case X86::MOV8r0: LowerUnaryToTwoAddr(OutMI, X86::XOR8rr); break;
case X86::MOV32r0: LowerUnaryToTwoAddr(OutMI, X86::XOR32rr); break;
- case X86::MMX_V_SET0: LowerUnaryToTwoAddr(OutMI, X86::MMX_PXORrr); break;
- case X86::MMX_V_SETALLONES:
- LowerUnaryToTwoAddr(OutMI, X86::MMX_PCMPEQDrr); break;
case X86::FsFLD0SS: LowerUnaryToTwoAddr(OutMI, X86::PXORrr); break;
case X86::FsFLD0SD: LowerUnaryToTwoAddr(OutMI, X86::PXORrr); break;
case X86::V_SET0PS: LowerUnaryToTwoAddr(OutMI, X86::XORPSrr); break;
break;
}
+ case X86::EH_RETURN:
+ case X86::EH_RETURN64: {
+ OutMI = MCInst();
+ OutMI.setOpcode(X86::RET);
+ break;
+ }
+
// TAILJMPd, TAILJMPd64 - Lower to the correct jump instructions.
case X86::TAILJMPr:
case X86::TAILJMPd:
break;
}
+ // These are pseudo-ops for OR to help with the OR->ADD transformation. We do
+ // this with an ugly goto in case the resultant OR uses EAX and needs the
+ // short form.
+ case X86::ADD16rr_DB: OutMI.setOpcode(X86::OR16rr); goto ReSimplify;
+ case X86::ADD32rr_DB: OutMI.setOpcode(X86::OR32rr); goto ReSimplify;
+ case X86::ADD64rr_DB: OutMI.setOpcode(X86::OR64rr); goto ReSimplify;
+ case X86::ADD16ri_DB: OutMI.setOpcode(X86::OR16ri); goto ReSimplify;
+ case X86::ADD32ri_DB: OutMI.setOpcode(X86::OR32ri); goto ReSimplify;
+ case X86::ADD64ri32_DB: OutMI.setOpcode(X86::OR64ri32); goto ReSimplify;
+ case X86::ADD16ri8_DB: OutMI.setOpcode(X86::OR16ri8); goto ReSimplify;
+ case X86::ADD32ri8_DB: OutMI.setOpcode(X86::OR32ri8); goto ReSimplify;
+ case X86::ADD64ri8_DB: OutMI.setOpcode(X86::OR64ri8); goto ReSimplify;
+
// The assembler backend wants to see branches in their small form and relax
// them to their large form. The JIT can only handle the large form because
// it does not do relaxation. For now, translate the large form to the
OutStreamer.EmitRawText(StringRef("\t#MEMBARRIER"));
return;
+
+ case X86::EH_RETURN:
+ case X86::EH_RETURN64: {
+ // Lower these as normal, but add some comments.
+ unsigned Reg = MI->getOperand(0).getReg();
+ OutStreamer.AddComment(StringRef("eh_return, addr: %") +
+ X86ATTInstPrinter::getRegisterName(Reg));
+ break;
+ }
case X86::TAILJMPr:
case X86::TAILJMPd:
case X86::TAILJMPd64: