// NEON operand definitions
//===----------------------------------------------------------------------===//
-def h8imm : Operand<i8> {
- let PrintMethod = "printHex8ImmOperand";
-}
-def h16imm : Operand<i16> {
- let PrintMethod = "printHex16ImmOperand";
-}
-def h32imm : Operand<i32> {
- let PrintMethod = "printHex32ImmOperand";
-}
-def h64imm : Operand<i64> {
- let PrintMethod = "printHex64ImmOperand";
+def nModImm : Operand<i32> {
+ let PrintMethod = "printNEONModImmOperand";
}
//===----------------------------------------------------------------------===//
// NEON load / store instructions
//===----------------------------------------------------------------------===//
-let mayLoad = 1 in {
+let mayLoad = 1, neverHasSideEffects = 1 in {
// Use vldmia to load a Q register as a D register pair.
// This is equivalent to VLDMD except that it has a Q register operand
// instead of a pair of D registers.
: AXDI5<(outs QPR:$dst), (ins addrmode5:$addr, pred:$p),
IndexModeNone, IIC_fpLoadm,
"vldm${addr:submode}${p}\t${addr:base}, ${dst:dregpair}", "", []>;
-def VLDMQ_UPD
- : AXDI5<(outs QPR:$dst, GPR:$wb), (ins addrmode5:$addr, pred:$p),
- IndexModeUpd, IIC_fpLoadm,
- "vldm${addr:submode}${p}\t${addr:base}!, ${dst:dregpair}",
- "$addr.base = $wb", []>;
// Use vld1 to load a Q register as a D register pair.
// This alternative to VLDMQ allows an alignment to be specified.
def VLD1q
: NLdSt<0,0b10,0b1010,0b1100, (outs QPR:$dst), (ins addrmode6:$addr),
IIC_VLD1, "vld1", "64", "${dst:dregpair}, $addr", "", []>;
-def VLD1q_UPD
- : NLdSt<0,0b10,0b1010,0b1100, (outs QPR:$dst, GPR:$wb),
- (ins addrmode6:$addr, am6offset:$offset), IIC_VLD1, "vld1", "64",
- "${dst:dregpair}, $addr$offset", "$addr.addr = $wb", []>;
-} // mayLoad = 1
+} // mayLoad = 1, neverHasSideEffects = 1
-let mayStore = 1 in {
+let mayStore = 1, neverHasSideEffects = 1 in {
// Use vstmia to store a Q register as a D register pair.
// This is equivalent to VSTMD except that it has a Q register operand
// instead of a pair of D registers.
: AXDI5<(outs), (ins QPR:$src, addrmode5:$addr, pred:$p),
IndexModeNone, IIC_fpStorem,
"vstm${addr:submode}${p}\t${addr:base}, ${src:dregpair}", "", []>;
-def VSTMQ_UPD
- : AXDI5<(outs GPR:$wb), (ins QPR:$src, addrmode5:$addr, pred:$p),
- IndexModeUpd, IIC_fpStorem,
- "vstm${addr:submode}${p}\t${addr:base}!, ${src:dregpair}",
- "$addr.base = $wb", []>;
// Use vst1 to store a Q register as a D register pair.
// This alternative to VSTMQ allows an alignment to be specified.
def VST1q
: NLdSt<0,0b00,0b1010,0b1100, (outs), (ins addrmode6:$addr, QPR:$src),
IIC_VST, "vst1", "64", "${src:dregpair}, $addr", "", []>;
-def VST1q_UPD
- : NLdSt<0,0b00,0b1010,0b1100, (outs GPR:$wb),
- (ins addrmode6:$addr, am6offset:$offset, QPR:$src),
- IIC_VST, "vst1", "64", "{$src:dregpair}, $addr$offset",
- "$addr.addr = $wb", []>;
-} // mayStore = 1
+} // mayStore = 1, neverHasSideEffects = 1
-let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
+let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
// VLD1 : Vector Load (multiple single elements)
class VLD1D<bits<4> op7_4, string Dt>
// VLD3DUP : Vector Load (single 3-element structure to all lanes)
// VLD4DUP : Vector Load (single 4-element structure to all lanes)
// FIXME: Not yet implemented.
-} // mayLoad = 1, hasExtraDefRegAllocReq = 1
+} // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
-let mayStore = 1, hasExtraSrcRegAllocReq = 1 in {
+let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
// VST1 : Vector Store (multiple single elements)
class VST1D<bits<4> op7_4, string Dt>
def VST4LNq16_UPD : VST4LNWB<0b0111, {?,?,1,?}, "16">;
def VST4LNq32_UPD : VST4LNWB<0b1011, {?,1,?,?}, "32">;
-} // mayStore = 1, hasExtraSrcRegAllocReq = 1
+} // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Extract D sub-registers of Q registers.
-// (arm_dsubreg_0 is 5; arm_dsubreg_1 is 6)
def DSubReg_i8_reg : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant(5 + N->getZExtValue() / 8, MVT::i32);
+ assert(ARM::dsub_7 == ARM::dsub_0+7 && "Unexpected subreg numbering");
+ return CurDAG->getTargetConstant(ARM::dsub_0 + N->getZExtValue()/8, MVT::i32);
}]>;
def DSubReg_i16_reg : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant(5 + N->getZExtValue() / 4, MVT::i32);
+ assert(ARM::dsub_7 == ARM::dsub_0+7 && "Unexpected subreg numbering");
+ return CurDAG->getTargetConstant(ARM::dsub_0 + N->getZExtValue()/4, MVT::i32);
}]>;
def DSubReg_i32_reg : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant(5 + N->getZExtValue() / 2, MVT::i32);
+ assert(ARM::dsub_7 == ARM::dsub_0+7 && "Unexpected subreg numbering");
+ return CurDAG->getTargetConstant(ARM::dsub_0 + N->getZExtValue()/2, MVT::i32);
}]>;
def DSubReg_f64_reg : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant(5 + N->getZExtValue(), MVT::i32);
-}]>;
-def DSubReg_f64_other_reg : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant(5 + (1 - N->getZExtValue()), MVT::i32);
+ assert(ARM::dsub_7 == ARM::dsub_0+7 && "Unexpected subreg numbering");
+ return CurDAG->getTargetConstant(ARM::dsub_0 + N->getZExtValue(), MVT::i32);
}]>;
// Extract S sub-registers of Q/D registers.
-// (arm_ssubreg_0 is 1; arm_ssubreg_1 is 2; etc.)
def SSubReg_f32_reg : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant(1 + N->getZExtValue(), MVT::i32);
+ assert(ARM::ssub_3 == ARM::ssub_0+3 && "Unexpected subreg numbering");
+ return CurDAG->getTargetConstant(ARM::ssub_0 + N->getZExtValue(), MVT::i32);
}]>;
// Translate lane numbers from Q registers to D subregs.
// VMOV : Vector Move (Register)
+let neverHasSideEffects = 1 in {
def VMOVDneon: N3VX<0, 0, 0b10, 0b0001, 0, 1, (outs DPR:$dst), (ins DPR:$src),
N3RegFrm, IIC_VMOVD, "vmov", "$dst, $src", "", []>;
def VMOVQ : N3VX<0, 0, 0b10, 0b0001, 1, 1, (outs QPR:$dst), (ins QPR:$src),
N3RegFrm, IIC_VMOVD, "vmov", "$dst, $src", "", []>;
+// Pseudo vector move instructions for QQ and QQQQ registers. This should
+// be expanded after register allocation is completed.
+def VMOVQQ : PseudoInst<(outs QQPR:$dst), (ins QQPR:$src),
+ NoItinerary, "${:comment} vmov\t$dst, $src", []>;
+
+def VMOVQQQQ : PseudoInst<(outs QQQQPR:$dst), (ins QQQQPR:$src),
+ NoItinerary, "${:comment} vmov\t$dst, $src", []>;
+} // neverHasSideEffects
+
// VMOV : Vector Move (Immediate)
// VMOV_get_imm8 xform function: convert build_vector to VMOV.i8 imm.
def VMOV_get_imm8 : SDNodeXForm<build_vector, [{
- return ARM::getVMOVImm(N, 1, *CurDAG);
+ return ARM::getNEONModImm(N, 1, true, *CurDAG);
}]>;
def vmovImm8 : PatLeaf<(build_vector), [{
- return ARM::getVMOVImm(N, 1, *CurDAG).getNode() != 0;
+ return ARM::getNEONModImm(N, 1, true, *CurDAG).getNode() != 0;
}], VMOV_get_imm8>;
// VMOV_get_imm16 xform function: convert build_vector to VMOV.i16 imm.
def VMOV_get_imm16 : SDNodeXForm<build_vector, [{
- return ARM::getVMOVImm(N, 2, *CurDAG);
+ return ARM::getNEONModImm(N, 2, true, *CurDAG);
}]>;
def vmovImm16 : PatLeaf<(build_vector), [{
- return ARM::getVMOVImm(N, 2, *CurDAG).getNode() != 0;
+ return ARM::getNEONModImm(N, 2, true, *CurDAG).getNode() != 0;
}], VMOV_get_imm16>;
// VMOV_get_imm32 xform function: convert build_vector to VMOV.i32 imm.
def VMOV_get_imm32 : SDNodeXForm<build_vector, [{
- return ARM::getVMOVImm(N, 4, *CurDAG);
+ return ARM::getNEONModImm(N, 4, true, *CurDAG);
}]>;
def vmovImm32 : PatLeaf<(build_vector), [{
- return ARM::getVMOVImm(N, 4, *CurDAG).getNode() != 0;
+ return ARM::getNEONModImm(N, 4, true, *CurDAG).getNode() != 0;
}], VMOV_get_imm32>;
// VMOV_get_imm64 xform function: convert build_vector to VMOV.i64 imm.
def VMOV_get_imm64 : SDNodeXForm<build_vector, [{
- return ARM::getVMOVImm(N, 8, *CurDAG);
+ return ARM::getNEONModImm(N, 8, true, *CurDAG);
}]>;
def vmovImm64 : PatLeaf<(build_vector), [{
- return ARM::getVMOVImm(N, 8, *CurDAG).getNode() != 0;
+ return ARM::getNEONModImm(N, 8, true, *CurDAG).getNode() != 0;
}], VMOV_get_imm64>;
// Note: Some of the cmode bits in the following VMOV instructions need to
// be encoded based on the immed values.
+let isReMaterializable = 1 in {
def VMOVv8i8 : N1ModImm<1, 0b000, 0b1110, 0, 0, 0, 1, (outs DPR:$dst),
- (ins h8imm:$SIMM), IIC_VMOVImm,
+ (ins nModImm:$SIMM), IIC_VMOVImm,
"vmov", "i8", "$dst, $SIMM", "",
[(set DPR:$dst, (v8i8 vmovImm8:$SIMM))]>;
def VMOVv16i8 : N1ModImm<1, 0b000, 0b1110, 0, 1, 0, 1, (outs QPR:$dst),
- (ins h8imm:$SIMM), IIC_VMOVImm,
+ (ins nModImm:$SIMM), IIC_VMOVImm,
"vmov", "i8", "$dst, $SIMM", "",
[(set QPR:$dst, (v16i8 vmovImm8:$SIMM))]>;
-def VMOVv4i16 : N1ModImm<1, 0b000, {1,0,?,?}, 0, 0, {?}, 1, (outs DPR:$dst),
- (ins h16imm:$SIMM), IIC_VMOVImm,
+def VMOVv4i16 : N1ModImm<1, 0b000, {1,0,?,0}, 0, 0, 0, 1, (outs DPR:$dst),
+ (ins nModImm:$SIMM), IIC_VMOVImm,
"vmov", "i16", "$dst, $SIMM", "",
[(set DPR:$dst, (v4i16 vmovImm16:$SIMM))]>;
-def VMOVv8i16 : N1ModImm<1, 0b000, {1,0,?,?}, 0, 1, {?}, 1, (outs QPR:$dst),
- (ins h16imm:$SIMM), IIC_VMOVImm,
+def VMOVv8i16 : N1ModImm<1, 0b000, {1,0,?,0}, 0, 1, 0, 1, (outs QPR:$dst),
+ (ins nModImm:$SIMM), IIC_VMOVImm,
"vmov", "i16", "$dst, $SIMM", "",
[(set QPR:$dst, (v8i16 vmovImm16:$SIMM))]>;
-def VMOVv2i32 : N1ModImm<1, 0b000, {?,?,?,?}, 0, 0, {?}, 1, (outs DPR:$dst),
- (ins h32imm:$SIMM), IIC_VMOVImm,
+def VMOVv2i32 : N1ModImm<1, 0b000, {0,?,?,0}, 0, 0, 0, 1, (outs DPR:$dst),
+ (ins nModImm:$SIMM), IIC_VMOVImm,
"vmov", "i32", "$dst, $SIMM", "",
[(set DPR:$dst, (v2i32 vmovImm32:$SIMM))]>;
-def VMOVv4i32 : N1ModImm<1, 0b000, {?,?,?,?}, 0, 1, {?}, 1, (outs QPR:$dst),
- (ins h32imm:$SIMM), IIC_VMOVImm,
+def VMOVv4i32 : N1ModImm<1, 0b000, {0,?,?,0}, 0, 1, 0, 1, (outs QPR:$dst),
+ (ins nModImm:$SIMM), IIC_VMOVImm,
"vmov", "i32", "$dst, $SIMM", "",
[(set QPR:$dst, (v4i32 vmovImm32:$SIMM))]>;
def VMOVv1i64 : N1ModImm<1, 0b000, 0b1110, 0, 0, 1, 1, (outs DPR:$dst),
- (ins h64imm:$SIMM), IIC_VMOVImm,
+ (ins nModImm:$SIMM), IIC_VMOVImm,
"vmov", "i64", "$dst, $SIMM", "",
[(set DPR:$dst, (v1i64 vmovImm64:$SIMM))]>;
def VMOVv2i64 : N1ModImm<1, 0b000, 0b1110, 0, 1, 1, 1, (outs QPR:$dst),
- (ins h64imm:$SIMM), IIC_VMOVImm,
+ (ins nModImm:$SIMM), IIC_VMOVImm,
"vmov", "i64", "$dst, $SIMM", "",
[(set QPR:$dst, (v2i64 vmovImm64:$SIMM))]>;
+} // isReMaterializable
// VMOV : Vector Get Lane (move scalar to ARM core register)
(INSERT_SUBREG QPR:$src1, DPR:$src2, (DSubReg_f64_reg imm:$src3))>;
def : Pat<(v2f32 (scalar_to_vector SPR:$src)),
- (INSERT_SUBREG (v2f32 (IMPLICIT_DEF)), SPR:$src, arm_ssubreg_0)>;
+ (INSERT_SUBREG (v2f32 (IMPLICIT_DEF)), SPR:$src, ssub_0)>;
def : Pat<(v2f64 (scalar_to_vector (f64 DPR:$src))),
- (INSERT_SUBREG (v2f64 (IMPLICIT_DEF)), DPR:$src, arm_dsubreg_0)>;
+ (INSERT_SUBREG (v2f64 (IMPLICIT_DEF)), DPR:$src, dsub_0)>;
def : Pat<(v4f32 (scalar_to_vector SPR:$src)),
- (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), SPR:$src, arm_ssubreg_0)>;
+ (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), SPR:$src, ssub_0)>;
def : Pat<(v8i8 (scalar_to_vector GPR:$src)),
(VSETLNi8 (v8i8 (IMPLICIT_DEF)), GPR:$src, (i32 0))>;
def : Pat<(v16i8 (scalar_to_vector GPR:$src)),
(INSERT_SUBREG (v16i8 (IMPLICIT_DEF)),
(VSETLNi8 (v8i8 (IMPLICIT_DEF)), GPR:$src, (i32 0)),
- arm_dsubreg_0)>;
+ dsub_0)>;
def : Pat<(v8i16 (scalar_to_vector GPR:$src)),
(INSERT_SUBREG (v8i16 (IMPLICIT_DEF)),
(VSETLNi16 (v4i16 (IMPLICIT_DEF)), GPR:$src, (i32 0)),
- arm_dsubreg_0)>;
+ dsub_0)>;
def : Pat<(v4i32 (scalar_to_vector GPR:$src)),
(INSERT_SUBREG (v4i32 (IMPLICIT_DEF)),
(VSETLNi32 (v2i32 (IMPLICIT_DEF)), GPR:$src, (i32 0)),
- arm_dsubreg_0)>;
+ dsub_0)>;
// VDUP : Vector Duplicate (from ARM core register to all elements)
IIC_VMOVD, "vdup", "32", "$dst, ${src:lane}", "",
[(set QPR:$dst, (v4f32 (NEONvdup (f32 SPR:$src))))]>;
-def : Pat<(v2i64 (NEONvduplane (v2i64 QPR:$src), imm:$lane)),
- (INSERT_SUBREG QPR:$src,
- (i64 (EXTRACT_SUBREG QPR:$src,
- (DSubReg_f64_reg imm:$lane))),
- (DSubReg_f64_other_reg imm:$lane))>;
-def : Pat<(v2f64 (NEONvduplane (v2f64 QPR:$src), imm:$lane)),
- (INSERT_SUBREG QPR:$src,
- (f64 (EXTRACT_SUBREG QPR:$src,
- (DSubReg_f64_reg imm:$lane))),
- (DSubReg_f64_other_reg imm:$lane))>;
-
// VMOVN : Vector Narrowing Move
defm VMOVN : N2VNInt_HSD<0b11,0b11,0b10,0b00100,0,0, IIC_VMOVD,
"vmovn", "i", int_arm_neon_vmovn>;
class N2VSPat<SDNode OpNode, ValueType ResTy, ValueType OpTy, NeonI Inst>
: NEONFPPat<(ResTy (OpNode SPR:$a)),
(EXTRACT_SUBREG (OpTy (Inst (INSERT_SUBREG (OpTy (IMPLICIT_DEF)),
- SPR:$a, arm_ssubreg_0))),
- arm_ssubreg_0)>;
+ SPR:$a, ssub_0))),
+ ssub_0)>;
class N3VSPat<SDNode OpNode, NeonI Inst>
: NEONFPPat<(f32 (OpNode SPR:$a, SPR:$b)),
(EXTRACT_SUBREG (v2f32
(Inst (INSERT_SUBREG (v2f32 (IMPLICIT_DEF)),
- SPR:$a, arm_ssubreg_0),
+ SPR:$a, ssub_0),
(INSERT_SUBREG (v2f32 (IMPLICIT_DEF)),
- SPR:$b, arm_ssubreg_0))),
- arm_ssubreg_0)>;
+ SPR:$b, ssub_0))),
+ ssub_0)>;
class N3VSMulOpPat<SDNode MulNode, SDNode OpNode, NeonI Inst>
: NEONFPPat<(f32 (OpNode SPR:$acc, (f32 (MulNode SPR:$a, SPR:$b)))),
(EXTRACT_SUBREG (Inst (INSERT_SUBREG (v2f32 (IMPLICIT_DEF)),
- SPR:$acc, arm_ssubreg_0),
+ SPR:$acc, ssub_0),
(INSERT_SUBREG (v2f32 (IMPLICIT_DEF)),
- SPR:$a, arm_ssubreg_0),
+ SPR:$a, ssub_0),
(INSERT_SUBREG (v2f32 (IMPLICIT_DEF)),
- SPR:$b, arm_ssubreg_0)),
- arm_ssubreg_0)>;
+ SPR:$b, ssub_0)),
+ ssub_0)>;
// These need separate instructions because they must use DPR_VFP2 register
// class which have SPR sub-registers.
projects / oota-llvm.git / blobdiff