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Rename ARM "lane_cst" operands to "nohash_imm" since they are used for
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several things other than Neon vector lane numbers.  For inline assembly
operands with a "c" print code, check that they really are immediates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79676 91177308-0d34-0410-b5e6-96231b3b80d8
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bob-wilson committed Aug 21, 2009
1 parent 01248e6 commit 4f38b38
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Showing 5 changed files with 20 additions and 18 deletions.
6 changes: 3 additions & 3 deletions lib/Target/ARM/ARMInstrInfo.td
Original file line number Diff line number Diff line change
Expand Up @@ -327,8 +327,8 @@ def addrmodepc : Operand<i32>,
let MIOperandInfo = (ops GPR, i32imm);
}

def lane_cst : Operand<i32> {
let PrintMethod = "printLaneOperand";
def nohash_imm : Operand<i32> {
let PrintMethod = "printNoHashImmediate";
}

//===----------------------------------------------------------------------===//
Expand Down Expand Up @@ -581,7 +581,7 @@ def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
[]>;

def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
(ins i32imm:$label, lane_cst:$id, pred:$p),
(ins i32imm:$label, nohash_imm:$id, pred:$p),
Pseudo, IIC_iALUi,
!strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
"(${label}_${id}-(",
Expand Down
20 changes: 10 additions & 10 deletions lib/Target/ARM/ARMInstrNEON.td
Original file line number Diff line number Diff line change
Expand Up @@ -1658,27 +1658,27 @@ def VMOVv2i64 : N1ModImm<1, 0b000, 0b1110, 0, 1, 1, 1, (outs QPR:$dst),
// VMOV : Vector Get Lane (move scalar to ARM core register)

def VGETLNs8 : NVGetLane<0b11100101, 0b1011, 0b00,
(outs GPR:$dst), (ins DPR:$src, lane_cst:$lane),
(outs GPR:$dst), (ins DPR:$src, nohash_imm:$lane),
NoItinerary, "vmov", ".s8\t$dst, $src[$lane]",
[(set GPR:$dst, (NEONvgetlanes (v8i8 DPR:$src),
imm:$lane))]>;
def VGETLNs16 : NVGetLane<0b11100001, 0b1011, 0b01,
(outs GPR:$dst), (ins DPR:$src, lane_cst:$lane),
(outs GPR:$dst), (ins DPR:$src, nohash_imm:$lane),
NoItinerary, "vmov", ".s16\t$dst, $src[$lane]",
[(set GPR:$dst, (NEONvgetlanes (v4i16 DPR:$src),
imm:$lane))]>;
def VGETLNu8 : NVGetLane<0b11101101, 0b1011, 0b00,
(outs GPR:$dst), (ins DPR:$src, lane_cst:$lane),
(outs GPR:$dst), (ins DPR:$src, nohash_imm:$lane),
NoItinerary, "vmov", ".u8\t$dst, $src[$lane]",
[(set GPR:$dst, (NEONvgetlaneu (v8i8 DPR:$src),
imm:$lane))]>;
def VGETLNu16 : NVGetLane<0b11101001, 0b1011, 0b01,
(outs GPR:$dst), (ins DPR:$src, lane_cst:$lane),
(outs GPR:$dst), (ins DPR:$src, nohash_imm:$lane),
NoItinerary, "vmov", ".u16\t$dst, $src[$lane]",
[(set GPR:$dst, (NEONvgetlaneu (v4i16 DPR:$src),
imm:$lane))]>;
def VGETLNi32 : NVGetLane<0b11100001, 0b1011, 0b00,
(outs GPR:$dst), (ins DPR:$src, lane_cst:$lane),
(outs GPR:$dst), (ins DPR:$src, nohash_imm:$lane),
NoItinerary, "vmov", ".32\t$dst, $src[$lane]",
[(set GPR:$dst, (extractelt (v2i32 DPR:$src),
imm:$lane))]>;
Expand Down Expand Up @@ -1715,17 +1715,17 @@ def : Pat<(extractelt (v2f64 QPR:$src1), imm:$src2),

let Constraints = "$src1 = $dst" in {
def VSETLNi8 : NVSetLane<0b11100100, 0b1011, 0b00, (outs DPR:$dst),
(ins DPR:$src1, GPR:$src2, lane_cst:$lane),
(ins DPR:$src1, GPR:$src2, nohash_imm:$lane),
NoItinerary, "vmov", ".8\t$dst[$lane], $src2",
[(set DPR:$dst, (vector_insert (v8i8 DPR:$src1),
GPR:$src2, imm:$lane))]>;
def VSETLNi16 : NVSetLane<0b11100000, 0b1011, 0b01, (outs DPR:$dst),
(ins DPR:$src1, GPR:$src2, lane_cst:$lane),
(ins DPR:$src1, GPR:$src2, nohash_imm:$lane),
NoItinerary, "vmov", ".16\t$dst[$lane], $src2",
[(set DPR:$dst, (vector_insert (v4i16 DPR:$src1),
GPR:$src2, imm:$lane))]>;
def VSETLNi32 : NVSetLane<0b11100000, 0b1011, 0b00, (outs DPR:$dst),
(ins DPR:$src1, GPR:$src2, lane_cst:$lane),
(ins DPR:$src1, GPR:$src2, nohash_imm:$lane),
NoItinerary, "vmov", ".32\t$dst[$lane], $src2",
[(set DPR:$dst, (insertelt (v2i32 DPR:$src1),
GPR:$src2, imm:$lane))]>;
Expand Down Expand Up @@ -1788,14 +1788,14 @@ def VDUPfq : NVDup<0b11101010, 0b1011, 0b00, (outs QPR:$dst), (ins GPR:$src),

class VDUPLND<bits<2> op19_18, bits<2> op17_16, string OpcodeStr, ValueType Ty>
: N2V<0b11, 0b11, op19_18, op17_16, 0b11000, 0, 0,
(outs DPR:$dst), (ins DPR:$src, lane_cst:$lane), NoItinerary,
(outs DPR:$dst), (ins DPR:$src, nohash_imm:$lane), NoItinerary,
!strconcat(OpcodeStr, "\t$dst, $src[$lane]"), "",
[(set DPR:$dst, (Ty (NEONvduplane (Ty DPR:$src), imm:$lane)))]>;

class VDUPLNQ<bits<2> op19_18, bits<2> op17_16, string OpcodeStr,
ValueType ResTy, ValueType OpTy>
: N2V<0b11, 0b11, op19_18, op17_16, 0b11000, 1, 0,
(outs QPR:$dst), (ins DPR:$src, lane_cst:$lane), NoItinerary,
(outs QPR:$dst), (ins DPR:$src, nohash_imm:$lane), NoItinerary,
!strconcat(OpcodeStr, "\t$dst, $src[$lane]"), "",
[(set QPR:$dst, (ResTy (NEONvduplane (OpTy DPR:$src), imm:$lane)))]>;

Expand Down
2 changes: 1 addition & 1 deletion lib/Target/ARM/ARMInstrThumb.td
Original file line number Diff line number Diff line change
Expand Up @@ -632,7 +632,7 @@ def tLEApcrel : T1I<(outs tGPR:$dst), (ins i32imm:$label, pred:$p), IIC_iALUi,
"adr$p $dst, #$label", []>;

def tLEApcrelJT : T1I<(outs tGPR:$dst),
(ins i32imm:$label, lane_cst:$id, pred:$p),
(ins i32imm:$label, nohash_imm:$id, pred:$p),
IIC_iALUi, "adr$p $dst, #${label}_${id}", []>;

//===----------------------------------------------------------------------===//
Expand Down
2 changes: 1 addition & 1 deletion lib/Target/ARM/ARMInstrThumb2.td
Original file line number Diff line number Diff line change
Expand Up @@ -431,7 +431,7 @@ def t2LEApcrel : T2XI<(outs GPR:$dst), (ins i32imm:$label, pred:$p), IIC_iALUi,
"adr$p.w $dst, #$label", []>;

def t2LEApcrelJT : T2XI<(outs GPR:$dst),
(ins i32imm:$label, lane_cst:$id, pred:$p), IIC_iALUi,
(ins i32imm:$label, nohash_imm:$id, pred:$p), IIC_iALUi,
"adr$p.w $dst, #${label}_${id}", []>;

// ADD r, sp, {so_imm|i12}
Expand Down
8 changes: 5 additions & 3 deletions lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -164,7 +164,7 @@ namespace {
void printJTBlockOperand(const MachineInstr *MI, int OpNum);
void printJT2BlockOperand(const MachineInstr *MI, int OpNum);
void printTBAddrMode(const MachineInstr *MI, int OpNum);
void printLaneOperand(const MachineInstr *MI, int OpNum);
void printNoHashImmediate(const MachineInstr *MI, int OpNum);

virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
unsigned AsmVariant, const char *ExtraCode);
Expand Down Expand Up @@ -1010,7 +1010,7 @@ void ARMAsmPrinter::printTBAddrMode(const MachineInstr *MI, int OpNum) {
O << ']';
}

void ARMAsmPrinter::printLaneOperand(const MachineInstr *MI, int OpNum) {
void ARMAsmPrinter::printNoHashImmediate(const MachineInstr *MI, int OpNum) {
O << MI->getOperand(OpNum).getImm();
}

Expand All @@ -1029,7 +1029,9 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
}
// Fallthrough
case 'c': // Don't print "#" before an immediate operand.
printLaneOperand(MI, OpNum);
if (!MI->getOperand(OpNum).isImm())
return true;
printNoHashImmediate(MI, OpNum);
return false;
case 'P': // Print a VFP double precision register.
printOperand(MI, OpNum);
Expand Down

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