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[AArch64] paci<k>171615 auti<k>171615 assembly #76227

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Merged
merged 1 commit into from
Dec 22, 2023
Merged

[AArch64] paci<k>171615 auti<k>171615 assembly #76227

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5 changes: 5 additions & 0 deletions llvm/lib/Target/AArch64/AArch64InstrInfo.td
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Original file line number Diff line number Diff line change
Expand Up @@ -1671,6 +1671,11 @@ let Predicates = [HasPAuthLR] in {
// opcode2, opcode, asm
def AUTIASPPCr : SignAuthOneReg<0b00001, 0b100100, "autiasppc">;
def AUTIBSPPCr : SignAuthOneReg<0b00001, 0b100101, "autibsppc">;
// opcode2, opcode, asm
def PACIA171615 : SignAuthFixedRegs<0b00001, 0b100010, "pacia171615">;
def PACIB171615 : SignAuthFixedRegs<0b00001, 0b100011, "pacib171615">;
def AUTIA171615 : SignAuthFixedRegs<0b00001, 0b101110, "autia171615">;
def AUTIB171615 : SignAuthFixedRegs<0b00001, 0b101111, "autib171615">;
}

let Uses = [LR, SP], isReturn = 1, isTerminator = 1, isBarrier = 1 in {
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35 changes: 31 additions & 4 deletions llvm/test/MC/AArch64/armv9.5a-pauthlr.s
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Expand Up @@ -98,33 +98,60 @@ label1:
// CHECK-ERROR: instruction requires: pauth-lr
// CHECK-UNKNOWN: dac197fe <unknown>

pacia171615
// CHECK-INST: pacia171615
// CHECK-DISASS: pacia171615
// CHECK-ENCODING: [0xfe,0x8b,0xc1,0xda]
// CHECK-ERROR: instruction requires: pauth-lr
// CHECK-UNKNOWN: dac18bfe <unknown>

pacib171615
// CHECK-INST: pacib171615
// CHECK-DISASS: pacib171615
// CHECK-ENCODING: [0xfe,0x8f,0xc1,0xda]
// CHECK-ERROR: instruction requires: pauth-lr
// CHECK-UNKNOWN: dac18ffe <unknown>

autia171615
// CHECK-INST: autia171615
// CHECK-DISASS: autia171615
// CHECK-ENCODING: [0xfe,0xbb,0xc1,0xda]
// CHECK-ERROR: instruction requires: pauth-lr
// CHECK-UNKNOWN: dac1bbfe <unknown>

autib171615
// CHECK-INST: autib171615
// CHECK-DISASS: autib171615
// CHECK-ENCODING: [0xfe,0xbf,0xc1,0xda]
// CHECK-ERROR: instruction requires: pauth-lr
// CHECK-UNKNOWN: dac1bffe <unknown>

retaasppc label1
// CHECK-INST: retaasppc label1
// CHECK-DISASS: retaasppc 0x4 <label1>
// CHECK-ENCODING: [0bAAA11111,A,0b000AAAAA,0x55]
// CHECK-ENCODING: // fixup A - offset: 0, value: label1, kind: fixup_aarch64_pcrel_branch16
// CHECK-ERROR: instruction requires: pauth-lr
// CHECK-UNKNOWN: 5500019f <unknown>
// CHECK-UNKNOWN: 5500021f <unknown>

retabsppc label1
// CHECK-INST: retabsppc label1
// CHECK-DISASS: retabsppc 0x4 <label1>
// CHECK-ENCODING: [0bAAA11111,A,0b001AAAAA,0x55]
// CHECK-ENCODING: // fixup A - offset: 0, value: label1, kind: fixup_aarch64_pcrel_branch16
// CHECK-ERROR: instruction requires: pauth-lr
// CHECK-UNKNOWN: 552001bf <unknown>
// CHECK-UNKNOWN: 5520023f <unknown>

retaasppc #0
// CHECK-INST: retaasppc #0
// CHECK-DISASS: retaasppc 0x3c <label1+0x38>
// CHECK-DISASS: retaasppc 0x4c <label1+0x48>
// CHECK-ENCODING: [0x1f,0x00,0x00,0x55]
// CHECK-ERROR: instruction requires: pauth-lr
// CHECK-UNKNOWN: 5500001f <unknown>

retaasppc #-(1<<18)+4
// CHECK-INST: retaasppc #-262140
// CHECK-DISASS: retaasppc 0xfffffffffffc0044 <label1+0xfffffffffffc0040>
// CHECK-DISASS: retaasppc 0xfffffffffffc0054 <label1+0xfffffffffffc0050>
// CHECK-ENCODING: [0xff,0xff,0x1f,0x55]
// CHECK-ERROR: instruction requires: pauth-lr
// CHECK-UNKNOWN: 551fffff <unknown>
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16 changes: 16 additions & 0 deletions llvm/test/MC/Disassembler/AArch64/armv9.5a-pauthlr.txt
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Expand Up @@ -49,6 +49,22 @@
# CHECK: autibsppc xzr
# NO-PAUTHLR: invalid instruction encoding

[0xfe,0x8b,0xc1,0xda]
# CHECK: pacia171615
# NO-PAUTHLR: invalid instruction encoding

[0xfe,0x8f,0xc1,0xda]
# CHECK: pacib171615
# NO-PAUTHLR: invalid instruction encoding

[0xfe,0xbb,0xc1,0xda]
# CHECK: autia171615
# NO-PAUTHLR: invalid instruction encoding

[0xfe,0xbf,0xc1,0xda]
# CHECK: autib171615
# NO-PAUTHLR: invalid instruction encoding

[0xbf,0x01,0x00,0x55]
# CHECK: retaasppc #-52
# NO-PAUTHLR: invalid instruction encoding
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