[llvm-commits] [llvm] r132388 - in /llvm/trunk: include/llvm/Target/TargetSelectionDAG.td lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86ISelLowering.h lib/Target/X86/X86InstrFragmentsSIMD.td lib/Target/X86/X86InstrSSE.td
Stuart Hastings
stuart at apple.com
Tue May 31 21:39:42 PDT 2011
Author: stuart
Date: Tue May 31 23:39:42 2011
New Revision: 132388
URL: http://llvm.org/viewvc/llvm-project?rev=132388&view=rev
Log:
FGETSIGN support for x86, using movmskps/pd. Will be enabled with a
patch to TargetLowering.cpp. rdar://problem/5660695
Modified:
llvm/trunk/include/llvm/Target/TargetSelectionDAG.td
llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
llvm/trunk/lib/Target/X86/X86ISelLowering.h
llvm/trunk/lib/Target/X86/X86InstrFragmentsSIMD.td
llvm/trunk/lib/Target/X86/X86InstrSSE.td
Modified: llvm/trunk/include/llvm/Target/TargetSelectionDAG.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetSelectionDAG.td?rev=132388&r1=132387&r2=132388&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/TargetSelectionDAG.td (original)
+++ llvm/trunk/include/llvm/Target/TargetSelectionDAG.td Tue May 31 23:39:42 2011
@@ -354,6 +354,7 @@
def fdiv : SDNode<"ISD::FDIV" , SDTFPBinOp>;
def frem : SDNode<"ISD::FREM" , SDTFPBinOp>;
def fabs : SDNode<"ISD::FABS" , SDTFPUnaryOp>;
+def fgetsign : SDNode<"ISD::FGETSIGN" , SDTFPToIntOp>;
def fneg : SDNode<"ISD::FNEG" , SDTFPUnaryOp>;
def fsqrt : SDNode<"ISD::FSQRT" , SDTFPUnaryOp>;
def fsin : SDNode<"ISD::FSIN" , SDTFPUnaryOp>;
Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=132388&r1=132387&r2=132388&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Tue May 31 23:39:42 2011
@@ -574,6 +574,10 @@
setOperationAction(ISD::FCOPYSIGN, MVT::f64, Custom);
setOperationAction(ISD::FCOPYSIGN, MVT::f32, Custom);
+ // Lower this to FGETSIGNx86 plus an AND.
+ setOperationAction(ISD::FGETSIGN, MVT::i64, Custom);
+ setOperationAction(ISD::FGETSIGN, MVT::i32, Custom);
+
// We don't support sin/cos/fmod
setOperationAction(ISD::FSIN , MVT::f64, Expand);
setOperationAction(ISD::FCOS , MVT::f64, Expand);
@@ -7215,6 +7219,17 @@
return DAG.getNode(X86ISD::FOR, dl, VT, Val, SignBit);
}
+SDValue X86TargetLowering::LowerFGETSIGN(SDValue Op, SelectionDAG &DAG) const {
+ SDValue N0 = Op.getOperand(0);
+ DebugLoc dl = Op.getDebugLoc();
+ EVT VT = Op.getValueType();
+
+ // Lower ISD::FGETSIGN to (AND (X86ISD::FGETSIGNx86 ...) 1).
+ SDValue xFGETSIGN = DAG.getNode(X86ISD::FGETSIGNx86, dl, VT, N0,
+ DAG.getConstant(1, VT));
+ return DAG.getNode(ISD::AND, dl, VT, xFGETSIGN, DAG.getConstant(1, VT));
+}
+
/// Emit nodes that will be selected as "test Op0,Op0", or something
/// equivalent.
SDValue X86TargetLowering::EmitTest(SDValue Op, unsigned X86CC,
@@ -9186,6 +9201,7 @@
case ISD::FABS: return LowerFABS(Op, DAG);
case ISD::FNEG: return LowerFNEG(Op, DAG);
case ISD::FCOPYSIGN: return LowerFCOPYSIGN(Op, DAG);
+ case ISD::FGETSIGN: return LowerFGETSIGN(Op, DAG);
case ISD::SETCC: return LowerSETCC(Op, DAG);
case ISD::VSETCC: return LowerVSETCC(Op, DAG);
case ISD::SELECT: return LowerSELECT(Op, DAG);
Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.h?rev=132388&r1=132387&r2=132388&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.h (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.h Tue May 31 23:39:42 2011
@@ -94,6 +94,10 @@
// one's or all zero's.
SETCC_CARRY, // R = carry_bit ? ~0 : 0
+ /// X86 MOVMSK{pd|ps}, extracts sign bits of two or four FP values,
+ /// result in an integer GPR. Needs masking for scalar result.
+ FGETSIGNx86,
+
/// X86 conditional moves. Operand 0 and operand 1 are the two values
/// to select from. Operand 2 is the condition code, and operand 3 is the
/// flag operand produced by a CMP or TEST instruction. It also writes a
@@ -783,6 +787,7 @@
SDValue LowerFABS(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFNEG(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFGETSIGN(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerToBT(SDValue And, ISD::CondCode CC,
DebugLoc dl, SelectionDAG &DAG) const;
SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
Modified: llvm/trunk/lib/Target/X86/X86InstrFragmentsSIMD.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrFragmentsSIMD.td?rev=132388&r1=132387&r2=132388&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrFragmentsSIMD.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrFragmentsSIMD.td Tue May 31 23:39:42 2011
@@ -38,6 +38,7 @@
def X86frsqrt : SDNode<"X86ISD::FRSQRT", SDTFPUnaryOp>;
def X86frcp : SDNode<"X86ISD::FRCP", SDTFPUnaryOp>;
def X86fsrl : SDNode<"X86ISD::FSRL", SDTX86FPShiftOp>;
+def X86fgetsign: SDNode<"X86ISD::FGETSIGNx86",SDTFPToIntOp>;
def X86comi : SDNode<"X86ISD::COMI", SDTX86CmpTest>;
def X86ucomi : SDNode<"X86ISD::UCOMI", SDTX86CmpTest>;
def X86pshufb : SDNode<"X86ISD::PSHUFB",
Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=132388&r1=132387&r2=132388&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Tue May 31 23:39:42 2011
@@ -1327,11 +1327,6 @@
}
// Mask creation
-defm MOVMSKPS : sse12_extr_sign_mask<VR128, int_x86_sse_movmsk_ps, "movmskps",
- SSEPackedSingle>, TB;
-defm MOVMSKPD : sse12_extr_sign_mask<VR128, int_x86_sse2_movmsk_pd, "movmskpd",
- SSEPackedDouble>, TB, OpSize;
-
defm VMOVMSKPS : sse12_extr_sign_mask<VR128, int_x86_sse_movmsk_ps,
"movmskps", SSEPackedSingle>, VEX;
defm VMOVMSKPD : sse12_extr_sign_mask<VR128, int_x86_sse2_movmsk_pd,
@@ -1342,6 +1337,24 @@
defm VMOVMSKPDY : sse12_extr_sign_mask<VR256, int_x86_avx_movmsk_pd_256,
"movmskpd", SSEPackedDouble>, OpSize,
VEX;
+defm MOVMSKPS : sse12_extr_sign_mask<VR128, int_x86_sse_movmsk_ps, "movmskps",
+ SSEPackedSingle>, TB;
+defm MOVMSKPD : sse12_extr_sign_mask<VR128, int_x86_sse2_movmsk_pd, "movmskpd",
+ SSEPackedDouble>, TB, OpSize;
+
+// X86fgetsign
+def MOVMSKPDrr32_alt : PI<0x50, MRMSrcReg, (outs GR32:$dst), (ins FR64:$src),
+ "movmskpd\t{$src, $dst|$dst, $src}",
+ [(set GR32:$dst, (X86fgetsign FR64:$src))], SSEPackedDouble>, TB, OpSize;
+def MOVMSKPDrr64_alt : PI<0x50, MRMSrcReg, (outs GR64:$dst), (ins FR64:$src),
+ "movmskpd\t{$src, $dst|$dst, $src}",
+ [(set GR64:$dst, (X86fgetsign FR64:$src))], SSEPackedDouble>, TB, OpSize;
+def MOVMSKPSrr32_alt : PI<0x50, MRMSrcReg, (outs GR32:$dst), (ins FR32:$src),
+ "movmskps\t{$src, $dst|$dst, $src}",
+ [(set GR32:$dst, (X86fgetsign FR32:$src))], SSEPackedSingle>, TB;
+def MOVMSKPSrr64_alt : PI<0x50, MRMSrcReg, (outs GR64:$dst), (ins FR32:$src),
+ "movmskps\t{$src, $dst|$dst, $src}",
+ [(set GR64:$dst, (X86fgetsign FR32:$src))], SSEPackedSingle>, TB;
// Assembler Only
def VMOVMSKPSr64r : PI<0x50, MRMSrcReg, (outs GR64:$dst), (ins VR128:$src),
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