[llvm-commits] [llvm] r121415 - in /llvm/trunk/lib/Target/X86: X86InstrInfo.cpp X86InstrSSE.td X86MCInstLower.cpp
Nate Begeman
natebegeman at mac.com
Thu Dec 9 13:43:51 PST 2010
Author: sampo
Date: Thu Dec 9 15:43:51 2010
New Revision: 121415
URL: http://llvm.org/viewvc/llvm-project?rev=121415&view=rev
Log:
Add support for AVX to materialize +0.0 when doing scalar FP.
Modified:
llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
llvm/trunk/lib/Target/X86/X86InstrSSE.td
llvm/trunk/lib/Target/X86/X86MCInstLower.cpp
Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.cpp?rev=121415&r1=121414&r2=121415&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.cpp Thu Dec 9 15:43:51 2010
@@ -2420,9 +2420,11 @@
Alignment = 16;
break;
case X86::FsFLD0SD:
+ case X86::VFsFLD0SD:
Alignment = 8;
break;
case X86::FsFLD0SS:
+ case X86::VFsFLD0SS:
Alignment = 4;
break;
default:
@@ -2486,9 +2488,9 @@
MachineConstantPool &MCP = *MF.getConstantPool();
const Type *Ty;
unsigned Opc = LoadMI->getOpcode();
- if (Opc == X86::FsFLD0SS)
+ if (Opc == X86::FsFLD0SS || Opc == X86::VFsFLD0SS)
Ty = Type::getFloatTy(MF.getFunction()->getContext());
- else if (Opc == X86::FsFLD0SD)
+ else if (Opc == X86::FsFLD0SD || Opc == X86::VFsFLD0SD)
Ty = Type::getDoubleTy(MF.getFunction()->getContext());
else if (Opc == X86::AVX_SET0PSY || Opc == X86::AVX_SET0PDY)
Ty = VectorType::get(Type::getFloatTy(MF.getFunction()->getContext()), 8);
Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=121415&r1=121414&r2=121415&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Thu Dec 9 15:43:51 2010
@@ -1440,6 +1440,12 @@
def FsFLD0SD : I<0xEF, MRMInitReg, (outs FR64:$dst), (ins), "",
[(set FR64:$dst, fpimm0)]>,
Requires<[HasSSE2]>, TB, OpSize;
+def VFsFLD0SS : I<0xEF, MRMInitReg, (outs FR32:$dst), (ins), "",
+ [(set FR32:$dst, fp32imm0)]>,
+ Requires<[HasAVX]>, TB, OpSize, VEX_4V;
+def VFsFLD0SD : I<0xEF, MRMInitReg, (outs FR64:$dst), (ins), "",
+ [(set FR64:$dst, fpimm0)]>,
+ Requires<[HasAVX]>, TB, OpSize, VEX_4V;
}
// Alias instruction to do FR32 or FR64 reg-to-reg copy using movaps. Upper
Modified: llvm/trunk/lib/Target/X86/X86MCInstLower.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86MCInstLower.cpp?rev=121415&r1=121414&r2=121415&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86MCInstLower.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86MCInstLower.cpp Thu Dec 9 15:43:51 2010
@@ -374,6 +374,8 @@
case X86::MOV32r0: LowerUnaryToTwoAddr(OutMI, X86::XOR32rr); break;
case X86::FsFLD0SS: LowerUnaryToTwoAddr(OutMI, X86::PXORrr); break;
case X86::FsFLD0SD: LowerUnaryToTwoAddr(OutMI, X86::PXORrr); break;
+ case X86::VFsFLD0SS: LowerUnaryToTwoAddr(OutMI, X86::VPXORrr); break;
+ case X86::VFsFLD0SD: LowerUnaryToTwoAddr(OutMI, X86::VPXORrr); break;
case X86::V_SET0PS: LowerUnaryToTwoAddr(OutMI, X86::XORPSrr); break;
case X86::V_SET0PD: LowerUnaryToTwoAddr(OutMI, X86::XORPDrr); break;
case X86::V_SET0PI: LowerUnaryToTwoAddr(OutMI, X86::PXORrr); break;
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