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[SystemZ] Make I5 operand of R[INOX]SGB(Z)? optional #129512

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Mar 4, 2025
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[SystemZ] Make I5 operand of R[INOX]SGB(Z)? optional #129512

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29 changes: 18 additions & 11 deletions llvm/lib/Target/SystemZ/SystemZInstrFormats.td
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Expand Up @@ -5210,14 +5210,18 @@ multiclass CmpSwapRSPair<string mnemonic, bits<8> rsOpcode, bits<16> rsyOpcode,
}
}

class RotateSelectRIEf<string mnemonic, bits<16> opcode, RegisterOperand cls1,
RegisterOperand cls2, bits<8> I3Or = 0, bits<8> I4Or = 0>
: InstRIEf<opcode, (outs cls1:$R1),
multiclass RotateSelectRIEf<string mnemonic, bits<16> opcode, RegisterOperand cls1,
RegisterOperand cls2, bits<8> I3Or = 0, bits<8> I4Or = 0> {
let Constraints = "$R1 = $R1src", DisableEncoding = "$R1src" in {
def "" : InstRIEf<opcode, (outs cls1:$R1),
(ins cls1:$R1src, cls2:$R2, imm32zx8:$I3, imm32zx8:$I4,
imm32zx8:$I5),
mnemonic#"\t$R1, $R2, $I3, $I4, $I5", [], I3Or, I4Or> {
let Constraints = "$R1 = $R1src";
let DisableEncoding = "$R1src";
mnemonic#"\t$R1, $R2, $I3, $I4, $I5", [], I3Or, I4Or>;
let I5 = 0 in
def Opt : InstRIEf<opcode, (outs cls1:$R1),
(ins cls1:$R1src, cls2:$R2, imm32zx8:$I3, imm32zx8:$I4),
mnemonic#"\t$R1, $R2, $I3, $I4", [], I3Or, I4Or>;
}
}

class PrefetchRXY<string mnemonic, bits<16> opcode, SDPatternOperator operator>
Expand Down Expand Up @@ -5609,11 +5613,14 @@ class CompareAliasRI<SDPatternOperator operator, RegisterOperand cls,
}

// An alias of a RotateSelectRIEf, but with different register sizes.
class RotateSelectAliasRIEf<RegisterOperand cls1, RegisterOperand cls2>
: Alias<6, (outs cls1:$R1),
(ins cls1:$R1src, cls2:$R2, imm32zx8:$I3, imm32zx8:$I4,
imm32zx8:$I5), []> {
let Constraints = "$R1 = $R1src";
multiclass RotateSelectAliasRIEf<RegisterOperand cls1, RegisterOperand cls2> {
let Constraints = "$R1 = $R1src" in {
def "" : Alias<6, (outs cls1:$R1),
(ins cls1:$R1src, cls2:$R2, imm32zx8:$I3, imm32zx8:$I4,
imm32zx8:$I5), []>;
def Opt : Alias<6, (outs cls1:$R1),
(ins cls1:$R1src, cls2:$R2, imm32zx8:$I3, imm32zx8:$I4), []>;
}
}

class MemsetPseudo<DAGOperand lenop, DAGOperand byteop>
Expand Down
30 changes: 15 additions & 15 deletions llvm/lib/Target/SystemZ/SystemZInstrInfo.td
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Expand Up @@ -1556,38 +1556,38 @@ def RLLG : BinaryRSY<"rllg", 0xEB1C, shiftop<rotl>, GR64>;
// end bits (operands 2 and 3) are in the range [32, 64).
let Defs = [CC] in {
let isCodeGenOnly = 1 in
def RISBG32 : RotateSelectRIEf<"risbg", 0xEC55, GR32, GR32>;
defm RISBG32 : RotateSelectRIEf<"risbg", 0xEC55, GR32, GR32>;
let CCValues = 0xE, CompareZeroCCMask = 0xE in {
def RISBG : RotateSelectRIEf<"risbg", 0xEC55, GR64, GR64>;
def RISBGZ : RotateSelectRIEf<"risbgz", 0xEC55, GR64, GR64, 0, 128>;
defm RISBG : RotateSelectRIEf<"risbg", 0xEC55, GR64, GR64>;
defm RISBGZ : RotateSelectRIEf<"risbgz", 0xEC55, GR64, GR64, 0, 128>;
}
}

// On zEC12 we have a variant of RISBG that does not set CC.
let Predicates = [FeatureMiscellaneousExtensions] in {
def RISBGN : RotateSelectRIEf<"risbgn", 0xEC59, GR64, GR64>;
def RISBGNZ : RotateSelectRIEf<"risbgnz", 0xEC59, GR64, GR64, 0, 128>;
defm RISBGN : RotateSelectRIEf<"risbgn", 0xEC59, GR64, GR64>;
defm RISBGNZ : RotateSelectRIEf<"risbgnz", 0xEC59, GR64, GR64, 0, 128>;
}

// Forms of RISBG that only affect one word of the destination register.
// They do not set CC.
let Predicates = [FeatureHighWord] in {
def RISBMux : RotateSelectRIEfPseudo<GRX32, GRX32>;
def RISBLL : RotateSelectAliasRIEf<GR32, GR32>;
def RISBLH : RotateSelectAliasRIEf<GR32, GRH32>;
def RISBHL : RotateSelectAliasRIEf<GRH32, GR32>;
def RISBHH : RotateSelectAliasRIEf<GRH32, GRH32>;
def RISBLG : RotateSelectRIEf<"risblg", 0xEC51, GR32, GR64>;
def RISBHG : RotateSelectRIEf<"risbhg", 0xEC5D, GRH32, GR64>;
def RISBMux : RotateSelectRIEfPseudo<GRX32, GRX32>;
defm RISBLL : RotateSelectAliasRIEf<GR32, GR32>;
defm RISBLH : RotateSelectAliasRIEf<GR32, GRH32>;
defm RISBHL : RotateSelectAliasRIEf<GRH32, GR32>;
defm RISBHH : RotateSelectAliasRIEf<GRH32, GRH32>;
defm RISBLG : RotateSelectRIEf<"risblg", 0xEC51, GR32, GR64>;
defm RISBHG : RotateSelectRIEf<"risbhg", 0xEC5D, GRH32, GR64>;
}

// Rotate second operand left and perform a logical operation with selected
// bits of the first operand. The CC result only describes the selected bits,
// so isn't useful for a full comparison against zero.
let Defs = [CC] in {
def RNSBG : RotateSelectRIEf<"rnsbg", 0xEC54, GR64, GR64>;
def ROSBG : RotateSelectRIEf<"rosbg", 0xEC56, GR64, GR64>;
def RXSBG : RotateSelectRIEf<"rxsbg", 0xEC57, GR64, GR64>;
defm RNSBG : RotateSelectRIEf<"rnsbg", 0xEC54, GR64, GR64>;
defm ROSBG : RotateSelectRIEf<"rosbg", 0xEC56, GR64, GR64>;
defm RXSBG : RotateSelectRIEf<"rxsbg", 0xEC57, GR64, GR64>;
}

//===----------------------------------------------------------------------===//
Expand Down
8 changes: 4 additions & 4 deletions llvm/lib/Target/SystemZ/SystemZScheduleZ13.td
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Expand Up @@ -506,13 +506,13 @@ def : InstRW<[WLat5LSU, WLat5LSU, FXa4, LSU, GroupAlone2],
def : InstRW<[WLat2LSU, FXa, LSU, NormalGr], (instregex "RLL(G)?$")>;

// Rotate and insert
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBH(G|H|L)$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBL(G|H|L)$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBG(N|32)?(Z)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBH(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBL(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBG(N|32)?(Z)?(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBMux$")>;

// Rotate and Select
def : InstRW<[WLat3, WLat3, FXa2, Cracked], (instregex "R(N|O|X)SBG$")>;
def : InstRW<[WLat3, WLat3, FXa2, Cracked], (instregex "R(N|O|X)SBG(Opt)?$")>;

//===----------------------------------------------------------------------===//
// Comparison
Expand Down
8 changes: 4 additions & 4 deletions llvm/lib/Target/SystemZ/SystemZScheduleZ14.td
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Expand Up @@ -516,13 +516,13 @@ def : InstRW<[WLat5LSU, WLat5LSU, FXa4, LSU, GroupAlone2],
def : InstRW<[WLat2LSU, FXa, LSU, NormalGr], (instregex "RLL(G)?$")>;

// Rotate and insert
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBH(G|H|L)$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBL(G|H|L)$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBG(N|32)?(Z)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBH(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBL(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBG(N|32)?(Z)?(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBMux$")>;

// Rotate and Select
def : InstRW<[WLat2, WLat2, FXa2, Cracked], (instregex "R(N|O|X)SBG$")>;
def : InstRW<[WLat2, WLat2, FXa2, Cracked], (instregex "R(N|O|X)SBG(Opt)?$")>;

//===----------------------------------------------------------------------===//
// Comparison
Expand Down
8 changes: 4 additions & 4 deletions llvm/lib/Target/SystemZ/SystemZScheduleZ15.td
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Expand Up @@ -531,13 +531,13 @@ def : InstRW<[WLat5LSU, WLat5LSU, FXa4, LSU, GroupAlone2],
def : InstRW<[WLat2LSU, FXa, LSU, NormalGr], (instregex "RLL(G)?$")>;

// Rotate and insert
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBH(G|H|L)$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBL(G|H|L)$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBG(N|32)?(Z)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBH(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBL(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBG(N|32)?(Z)?(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBMux$")>;

// Rotate and Select
def : InstRW<[WLat2, WLat2, FXa2, Cracked], (instregex "R(N|O|X)SBG$")>;
def : InstRW<[WLat2, WLat2, FXa2, Cracked], (instregex "R(N|O|X)SBG(Opt)?$")>;

//===----------------------------------------------------------------------===//
// Comparison
Expand Down
8 changes: 4 additions & 4 deletions llvm/lib/Target/SystemZ/SystemZScheduleZ16.td
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Expand Up @@ -531,13 +531,13 @@ def : InstRW<[WLat5LSU, WLat5LSU, FXa4, LSU, GroupAlone2],
def : InstRW<[WLat2LSU, FXa, LSU, NormalGr], (instregex "RLL(G)?$")>;

// Rotate and insert
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBH(G|H|L)$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBL(G|H|L)$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBG(N|32)?(Z)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBH(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBL(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBG(N|32)?(Z)?(Opt)?$")>;
def : InstRW<[WLat1, FXa, NormalGr], (instregex "RISBMux$")>;

// Rotate and Select
def : InstRW<[WLat2, WLat2, FXa2, Cracked], (instregex "R(N|O|X)SBG$")>;
def : InstRW<[WLat2, WLat2, FXa2, Cracked], (instregex "R(N|O|X)SBG(Opt)?$")>;

//===----------------------------------------------------------------------===//
// Comparison
Expand Down
8 changes: 4 additions & 4 deletions llvm/lib/Target/SystemZ/SystemZScheduleZ196.td
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Expand Up @@ -469,13 +469,13 @@ def : InstRW<[WLat5LSU, WLat5LSU, FXU4, LSU, GroupAlone2],
def : InstRW<[WLat2LSU, FXU, LSU, NormalGr], (instregex "RLL(G)?$")>;

// Rotate and insert
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBH(G|H|L)$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBL(G|H|L)$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBG(32)?(Z)?$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBH(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBL(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBG(32)?(Z)?(Opt)?$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBMux$")>;

// Rotate and Select
def : InstRW<[WLat3, WLat3, FXU2, GroupAlone], (instregex "R(N|O|X)SBG$")>;
def : InstRW<[WLat3, WLat3, FXU2, GroupAlone], (instregex "R(N|O|X)SBG(Opt)?$")>;

//===----------------------------------------------------------------------===//
// Comparison
Expand Down
8 changes: 4 additions & 4 deletions llvm/lib/Target/SystemZ/SystemZScheduleZEC12.td
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Expand Up @@ -480,13 +480,13 @@ def : InstRW<[WLat5LSU, WLat5LSU, FXU4, LSU, GroupAlone2],
def : InstRW<[WLat2LSU, FXU, LSU, NormalGr], (instregex "RLL(G)?$")>;

// Rotate and insert
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBH(G|H|L)$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBL(G|H|L)$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBG(N|32)?(Z)?$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBH(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBL(G|H|L)(Opt)?$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBG(N|32)?(Z)?(Opt)?$")>;
def : InstRW<[WLat1, FXU, NormalGr], (instregex "RISBMux$")>;

// Rotate and Select
def : InstRW<[WLat3, WLat3, FXU2, GroupAlone], (instregex "R(N|O|X)SBG$")>;
def : InstRW<[WLat3, WLat3, FXU2, GroupAlone], (instregex "R(N|O|X)SBG(Opt)?$")>;

//===----------------------------------------------------------------------===//
// Comparison
Expand Down
70 changes: 35 additions & 35 deletions llvm/test/MC/Disassembler/SystemZ/insns.txt
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Expand Up @@ -13968,22 +13968,22 @@
# CHECK: rchp
0xb2 0x3b 0x00 0x00

# CHECK: risbg %r0, %r0, 0, 0, 0
# CHECK: risbg %r0, %r0, 0, 0
0xec 0x00 0x00 0x00 0x00 0x55

# CHECK: risbg %r0, %r0, 0, 0, 255
0xec 0x00 0x00 0x00 0xff 0x55

# CHECK: risbg %r0, %r0, 0, 127, 0
# CHECK: risbg %r0, %r0, 0, 127
0xec 0x00 0x00 0x7f 0x00 0x55

# CHECK: risbg %r0, %r0, 255, 0, 0
# CHECK: risbg %r0, %r0, 255, 0
0xec 0x00 0xff 0x00 0x00 0x55

# CHECK: risbg %r0, %r15, 0, 0, 0
# CHECK: risbg %r0, %r15, 0, 0
0xec 0x0f 0x00 0x00 0x00 0x55

# CHECK: risbg %r15, %r0, 0, 0, 0
# CHECK: risbg %r15, %r0, 0, 0
0xec 0xf0 0x00 0x00 0x00 0x55

# CHECK: risbg %r4, %r5, 6, 7, 8
Expand All @@ -13992,22 +13992,22 @@
# CHECK: risbgz %r4, %r5, 6, 7, 8
0xec 0x45 0x06 0x87 0x08 0x55

# CHECK: risbgn %r0, %r0, 0, 0, 0
# CHECK: risbgn %r0, %r0, 0, 0
0xec 0x00 0x00 0x00 0x00 0x59

# CHECK: risbgn %r0, %r0, 0, 0, 255
0xec 0x00 0x00 0x00 0xff 0x59

# CHECK: risbgn %r0, %r0, 0, 127, 0
# CHECK: risbgn %r0, %r0, 0, 127
0xec 0x00 0x00 0x7f 0x00 0x59

# CHECK: risbgn %r0, %r0, 255, 0, 0
# CHECK: risbgn %r0, %r0, 255, 0
0xec 0x00 0xff 0x00 0x00 0x59

# CHECK: risbgn %r0, %r15, 0, 0, 0
# CHECK: risbgn %r0, %r15, 0, 0
0xec 0x0f 0x00 0x00 0x00 0x59

# CHECK: risbgn %r15, %r0, 0, 0, 0
# CHECK: risbgn %r15, %r0, 0, 0
0xec 0xf0 0x00 0x00 0x00 0x59

# CHECK: risbgn %r4, %r5, 6, 7, 8
Expand All @@ -14016,43 +14016,43 @@
# CHECK: risbgnz %r4, %r5, 6, 7, 8
0xec 0x45 0x06 0x87 0x08 0x59

# CHECK: risbhg %r0, %r0, 0, 0, 0
# CHECK: risbhg %r0, %r0, 0, 0
0xec 0x00 0x00 0x00 0x00 0x5d

# CHECK: risbhg %r0, %r0, 0, 0, 63
0xec 0x00 0x00 0x00 0x3f 0x5d

# CHECK: risbhg %r0, %r0, 0, 255, 0
# CHECK: risbhg %r0, %r0, 0, 255
0xec 0x00 0x00 0xff 0x00 0x5d

# CHECK: risbhg %r0, %r0, 255, 0, 0
# CHECK: risbhg %r0, %r0, 255, 0
0xec 0x00 0xff 0x00 0x00 0x5d

# CHECK: risbhg %r0, %r15, 0, 0, 0
# CHECK: risbhg %r0, %r15, 0, 0
0xec 0x0f 0x00 0x00 0x00 0x5d

# CHECK: risbhg %r15, %r0, 0, 0, 0
# CHECK: risbhg %r15, %r0, 0, 0
0xec 0xf0 0x00 0x00 0x00 0x5d

# CHECK: risbhg %r4, %r5, 6, 7, 8
0xec 0x45 0x06 0x07 0x08 0x5d

# CHECK: risblg %r0, %r0, 0, 0, 0
# CHECK: risblg %r0, %r0, 0, 0
0xec 0x00 0x00 0x00 0x00 0x51

# CHECK: risblg %r0, %r0, 0, 0, 63
0xec 0x00 0x00 0x00 0x3f 0x51

# CHECK: risblg %r0, %r0, 0, 255, 0
# CHECK: risblg %r0, %r0, 0, 255
0xec 0x00 0x00 0xff 0x00 0x51

# CHECK: risblg %r0, %r0, 255, 0, 0
# CHECK: risblg %r0, %r0, 255, 0
0xec 0x00 0xff 0x00 0x00 0x51

# CHECK: risblg %r0, %r15, 0, 0, 0
# CHECK: risblg %r0, %r15, 0, 0
0xec 0x0f 0x00 0x00 0x00 0x51

# CHECK: risblg %r15, %r0, 0, 0, 0
# CHECK: risblg %r15, %r0, 0, 0
0xec 0xf0 0x00 0x00 0x00 0x51

# CHECK: risblg %r4, %r5, 6, 7, 8
Expand Down Expand Up @@ -14130,43 +14130,43 @@
# CHECK: rllg %r0, %r0, 524287(%r15)
0xeb 0x00 0xff 0xff 0x7f 0x1c

# CHECK: rnsbg %r0, %r0, 0, 0, 0
# CHECK: rnsbg %r0, %r0, 0, 0
0xec 0x00 0x00 0x00 0x00 0x54

# CHECK: rnsbg %r0, %r0, 0, 0, 63
0xec 0x00 0x00 0x00 0x3f 0x54

# CHECK: rnsbg %r0, %r0, 0, 255, 0
# CHECK: rnsbg %r0, %r0, 0, 255
0xec 0x00 0x00 0xff 0x00 0x54

# CHECK: rnsbg %r0, %r0, 255, 0, 0
# CHECK: rnsbg %r0, %r0, 255, 0
0xec 0x00 0xff 0x00 0x00 0x54

# CHECK: rnsbg %r0, %r15, 0, 0, 0
# CHECK: rnsbg %r0, %r15, 0, 0
0xec 0x0f 0x00 0x00 0x00 0x54

# CHECK: rnsbg %r15, %r0, 0, 0, 0
# CHECK: rnsbg %r15, %r0, 0, 0
0xec 0xf0 0x00 0x00 0x00 0x54

# CHECK: rnsbg %r4, %r5, 6, 7, 8
0xec 0x45 0x06 0x07 0x08 0x54

# CHECK: rosbg %r0, %r0, 0, 0, 0
# CHECK: rosbg %r0, %r0, 0, 0
0xec 0x00 0x00 0x00 0x00 0x56

# CHECK: rosbg %r0, %r0, 0, 0, 63
0xec 0x00 0x00 0x00 0x3f 0x56

# CHECK: rosbg %r0, %r0, 0, 255, 0
# CHECK: rosbg %r0, %r0, 0, 255
0xec 0x00 0x00 0xff 0x00 0x56

# CHECK: rosbg %r0, %r0, 255, 0, 0
# CHECK: rosbg %r0, %r0, 255, 0
0xec 0x00 0xff 0x00 0x00 0x56

# CHECK: rosbg %r0, %r15, 0, 0, 0
# CHECK: rosbg %r0, %r15, 0, 0
0xec 0x0f 0x00 0x00 0x00 0x56

# CHECK: rosbg %r15, %r0, 0, 0, 0
# CHECK: rosbg %r15, %r0, 0, 0
0xec 0xf0 0x00 0x00 0x00 0x56

# CHECK: rosbg %r4, %r5, 6, 7, 8
Expand Down Expand Up @@ -14259,22 +14259,22 @@
# CHECK: rsch
0xb2 0x38 0x00 0x00

# CHECK: rxsbg %r0, %r0, 0, 0, 0
# CHECK: rxsbg %r0, %r0, 0, 0
0xec 0x00 0x00 0x00 0x00 0x57

# CHECK: rxsbg %r0, %r0, 0, 0, 63
0xec 0x00 0x00 0x00 0x3f 0x57

# CHECK: rxsbg %r0, %r0, 0, 255, 0
# CHECK: rxsbg %r0, %r0, 0, 255
0xec 0x00 0x00 0xff 0x00 0x57

# CHECK: rxsbg %r0, %r0, 255, 0, 0
# CHECK: rxsbg %r0, %r0, 255, 0
0xec 0x00 0xff 0x00 0x00 0x57

# CHECK: rxsbg %r0, %r15, 0, 0, 0
# CHECK: rxsbg %r0, %r15, 0, 0
0xec 0x0f 0x00 0x00 0x00 0x57

# CHECK: rxsbg %r15, %r0, 0, 0, 0
# CHECK: rxsbg %r15, %r0, 0, 0
0xec 0xf0 0x00 0x00 0x00 0x57

# CHECK: rxsbg %r4, %r5, 6, 7, 8
Expand Down
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