diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 1 | ||||
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 24 | ||||
| -rw-r--r-- | lib/VMCore/AutoUpgrade.cpp | 17 |
3 files changed, 39 insertions, 3 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 5def78737f..614a21182b 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -597,7 +597,6 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm) { X86::PMULHUWrr, X86::PMULHUWrm, 16 }, { X86::PMULHWrr, X86::PMULHWrm, 16 }, { X86::PMULLDrr, X86::PMULLDrm, 16 }, - { X86::PMULLDrr_int, X86::PMULLDrm_int, 16 }, { X86::PMULLWrr, X86::PMULLWrm, 16 }, { X86::PMULUDQrr, X86::PMULUDQrm, 16 }, { X86::PORrr, X86::PORrm, 16 }, diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 077d92de4f..e207598144 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -3448,8 +3448,28 @@ let Constraints = "$src1 = $dst" in { OpSize; } } -defm PMULLD : SS41I_binop_patint<0x40, "pmulld", v4i32, mul, - int_x86_sse41_pmulld, 1>; + +/// SS48I_binop_rm - Simple SSE41 binary operator. +let Constraints = "$src1 = $dst" in { +multiclass SS48I_binop_rm<bits<8> opc, string OpcodeStr, SDNode OpNode, + ValueType OpVT, bit Commutable = 0> { + def rr : SS48I<opc, MRMSrcReg, (outs VR128:$dst), + (ins VR128:$src1, VR128:$src2), + !strconcat(OpcodeStr, "\t{$src2, $dst|$dst, $src2}"), + [(set VR128:$dst, (OpVT (OpNode VR128:$src1, VR128:$src2)))]>, + OpSize { + let isCommutable = Commutable; + } + def rm : SS48I<opc, MRMSrcMem, (outs VR128:$dst), + (ins VR128:$src1, i128mem:$src2), + !strconcat(OpcodeStr, "\t{$src2, $dst|$dst, $src2}"), + [(set VR128:$dst, (OpNode VR128:$src1, + (bc_v4i32 (memopv2i64 addr:$src2))))]>, + OpSize; +} +} + +defm PMULLD : SS48I_binop_rm<0x40, "pmulld", mul, v4i32, 1>; /// SS41I_binop_rmi_int - SSE 4.1 binary operator with 8-bit immediate let Constraints = "$src1 = $dst" in { diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp index 5e4c9fb766..b9aa5c3467 100644 --- a/lib/VMCore/AutoUpgrade.cpp +++ b/lib/VMCore/AutoUpgrade.cpp @@ -225,7 +225,12 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) { // Calls to these intrinsics are transformed into ShuffleVector's. NewFn = 0; return true; + } else if (Name.compare(5, 16, "x86.sse41.pmulld", 16) == 0) { + // Calls to these intrinsics are transformed into vector multiplies. + NewFn = 0; + return true; } + break; } @@ -355,6 +360,18 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { // Clean up the old call now that it has been completely upgraded. CI->eraseFromParent(); + } else if (F->getName() == "llvm.x86.sse41.pmulld") { + // Upgrade this set of intrinsics into vector multiplies. + Instruction *Mul = BinaryOperator::CreateMul(CI->getOperand(1), + CI->getOperand(2), + CI->getName(), + CI); + // Fix up all the uses with our new multiply. + if (!CI->use_empty()) + CI->replaceAllUsesWith(Mul); + + // Remove upgraded multiply. + CI->eraseFromParent(); } else { llvm_unreachable("Unknown function for CallInst upgrade."); } |