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[SPARC][IAS] Add definitions for cryptographic instructions #139451

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99c44e5
[𝘀𝗽𝗿] initial version
koachan May 11, 2025
9fa7872
Rebase update
koachan May 12, 2025
93b729c
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koachan May 24, 2025
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6 changes: 5 additions & 1 deletion llvm/lib/Target/Sparc/Sparc.td
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Expand Up @@ -58,6 +58,9 @@ def FeatureUA2007
def FeatureOSA2011
: SubtargetFeature<"osa2011", "IsOSA2011", "true",
"Enable Oracle SPARC Architecture 2011 extensions">;
def FeatureCrypto
: SubtargetFeature<"crypto", "IsCrypto", "true",
"Enable cryptographic extensions">;
def FeatureLeon
: SubtargetFeature<"leon", "IsLeon", "true",
"Enable LEON extensions">;
Expand Down Expand Up @@ -169,7 +172,8 @@ def : Proc<"niagara3", [FeatureV9, FeatureV8Deprecated, UsePopc,
FeatureUA2005, FeatureUA2007]>;
def : Proc<"niagara4", [FeatureV9, FeatureV8Deprecated, UsePopc,
FeatureVIS, FeatureVIS2, FeatureVIS3,
FeatureUA2005, FeatureUA2007, FeatureOSA2011]>;
FeatureUA2005, FeatureUA2007, FeatureOSA2011,
FeatureCrypto]>;

// LEON 2 FT generic
def : Processor<"leon2", LEON2Itineraries,
Expand Down
98 changes: 98 additions & 0 deletions llvm/lib/Target/Sparc/SparcInstrCrypto.td
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@@ -0,0 +1,98 @@
//===----------- SparcInstrCrypto.td - cryptographic extensions -----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains instruction formats, definitions and patterns needed for
// cryptographic instructions on SPARC.
//===----------------------------------------------------------------------===//


// Convenience template for 4-operand instructions
class FourOpImm<string OpcStr, bits<6> op3val, bits<4> op5val,
RegisterClass RC>
: F3_4<op3val, op5val, (outs RC:$rd), (ins RC:$rs1, RC:$rs2, simm5Op:$rs3),
!strconcat(OpcStr, " $rs1, $rs2, $rs3, $rd")>;
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Suggested change
class FourOpImm<string OpcStr, bits<6> op3val, bits<4> op5val,
RegisterClass RC>
: F3_4<op3val, op5val, (outs RC:$rd), (ins RC:$rs1, RC:$rs2, simm5Op:$rs3),
!strconcat(OpcStr, " $rs1, $rs2, $rs3, $rd")>;
class FourOpImm<string OpcStr, bits<6> op3val, bits<4> op5val,
RegisterClass RC>
: F3_4<op3val, op5val, (outs RC:$rd), (ins RC:$rs1, RC:$rs2, simm5Op:$rs3),
!strconcat(OpcStr, " $rs1, $rs2, $rs3, $rd")>;


let Predicates = [HasCrypto] in {
def AES_EROUND01 : FourOp<"aes_eround01", 0b011001, 0b0000, DFPRegs>;
def AES_EROUND23 : FourOp<"aes_eround23", 0b011001, 0b0001, DFPRegs>;
def AES_DROUND01 : FourOp<"aes_dround01", 0b011001, 0b0010, DFPRegs>;
def AES_DROUND23 : FourOp<"aes_dround23", 0b011001, 0b0011, DFPRegs>;
def AES_EROUND01_LAST : FourOp<"aes_eround01_l", 0b011001, 0b0100, DFPRegs>;
def AES_EROUND23_LAST : FourOp<"aes_eround23_l", 0b011001, 0b0101, DFPRegs>;
def AES_DROUND01_LAST : FourOp<"aes_dround01_l", 0b011001, 0b0110, DFPRegs>;
def AES_DROUND23_LAST : FourOp<"aes_dround23_l", 0b011001, 0b0111, DFPRegs>;
def AES_KEXPAND0 : F3_3<2, 0b110110, 0b100110000,
(outs DFPRegs:$rd), (ins DFPRegs:$rs1, DFPRegs:$rs2),
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Align after '<'

"aes_kexpand0 $rs1, $rs2, $rd", []>;
def AES_KEXPAND1 : FourOpImm<"aes_kexpand1", 0b011001, 0b1000, DFPRegs>;
def AES_KEXPAND2 : F3_3<2, 0b110110, 0b100110001,
(outs DFPRegs:$rd), (ins DFPRegs:$rs1, DFPRegs:$rs2),
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Align after '<'

"aes_kexpand2 $rs1, $rs2, $rd", []>;

def CAMELLIA_F : FourOp<"camellia_f", 0b011001, 0b1100, DFPRegs>;
def CAMELLIA_FL : F3_3<2, 0b110110, 0b100111100,
(outs DFPRegs:$rd), (ins DFPRegs:$rs1, DFPRegs:$rs2),
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Align after '<'

"camellia_fl $rs1, $rs2, $rd", []>;
def CAMELLIA_FLI : F3_3<2, 0b110110, 0b100111101,
(outs DFPRegs:$rd), (ins DFPRegs:$rs1, DFPRegs:$rs2),
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Ditto

"camellia_fli $rs1, $rs2, $rd", []>;

def CRC32C : F3_3<2, 0b110110, 0b101000111,
(outs DFPRegs:$rd), (ins DFPRegs:$rs1, DFPRegs:$rs2),
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Ditto

"crc32c $rs1, $rs2, $rd", []>;

def DES_ROUND : FourOp<"des_round", 0b011001, 0b1001, DFPRegs>;
let rs2 = 0 in {
def DES_IP : F3_3<2, 0b110110, 0b100110100,
(outs DFPRegs:$rd), (ins DFPRegs:$rs1),
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Ditto

"des_ip $rs1, $rd", []>;
def DES_IIP : F3_3<2, 0b110110, 0b100110101,
(outs DFPRegs:$rd), (ins DFPRegs:$rs1),
"des_iip $rs1, $rd", []>;
}
def DES_KEXPAND : F3_3<2, 0b110110, 0b100110110,
(outs DFPRegs:$rd), (ins DFPRegs:$rs1, simm5Op:$rs2),
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Ditto

"des_kexpand $rs1, $rs2, $rd", []>;

let rs1 = 0, rs2 = 0, rd = 0 in {
let Uses = [D0, D1, D2, D5, D6, D7, D8, D9, D10, D11],
Defs = [D0, D1, D2, D3, D4, D5, D6, D7] in
def MD5 : F3_3<2, 0b110110, 0b101000000, (outs), (ins), "md5", []>;
let Uses = [D0, D1, D2, D4, D5, D6, D7, D8, D9, D10, D11],
Defs = [D0, D1, D2] in
def SHA1 : F3_3<2, 0b110110, 0b101000001, (outs), (ins), "sha1", []>;
let Uses = [D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11],
Defs = [D0, D1, D2, D3] in
def SHA256 : F3_3<2, 0b110110, 0b101000010, (outs), (ins), "sha256", []>;
let Uses = [D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11,
D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23],
Defs = [D0, D1, D2, D3, D4, D5, D6, D7] in
def SHA512 : F3_3<2, 0b110110, 0b101000011, (outs), (ins), "sha512", []>;
}

// These instructions use and clobber all DFP and non-reserved Int registers.
let rs1 = 0, rd = 0,
Uses = [ D0, D1, D2, D3, D4, D5, D6, D7,
D8, D9, D10, D11, D12, D13, D14, D15,
D16, D17, D18, D19, D20, D21, D22, D23,
D24, D25, D26, D27, D28, D29, D30, D31,
O0, O1, O2, O3, O4, O5,
L0, L1, L2, L3, L4, L5, L6, L7,
I0, I1, I2, I3, I4, I5 ],
Defs = [ D0, D1, D2, D3, D4, D5, D6, D7,
D8, D9, D10, D11, D12, D13, D14, D15,
D16, D17, D18, D19, D20, D21, D22, D23,
D24, D25, D26, D27, D28, D29, D30, D31,
O0, O1, O2, O3, O4, O5,
L0, L1, L2, L3, L4, L5, L6, L7,
I0, I1, I2, I3, I4, I5 ] in {
def MPMUL : F3_3<2, 0b110110, 0b101001000, (outs), (ins simm5Op:$rs2), "mpmul $rs2", []>;
def MONTMUL : F3_3<2, 0b110110, 0b101001001, (outs), (ins simm5Op:$rs2), "montmul $rs2", []>;
def MONTSQR : F3_3<2, 0b110110, 0b101001010, (outs), (ins simm5Op:$rs2), "montsqr $rs2", []>;
}
} // Predicates = [HasCrypto]
5 changes: 5 additions & 0 deletions llvm/lib/Target/Sparc/SparcInstrInfo.td
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Expand Up @@ -59,6 +59,10 @@ def HasUA2007 : Predicate<"Subtarget->isUA2007()">,
def HasOSA2011 : Predicate<"Subtarget->isOSA2011()">,
AssemblerPredicate<(all_of FeatureOSA2011)>;

// HasCrypto - This is true when the target processor has cryptographic extensions.
def HasCrypto : Predicate<"Subtarget->isCrypto()">,
AssemblerPredicate<(all_of FeatureCrypto)>;

// HasHardQuad - This is true when the target processor supports quad floating
// point instructions.
def HasHardQuad : Predicate<"Subtarget->hasHardQuad()">;
Expand Down Expand Up @@ -2010,4 +2014,5 @@ def : Pat<(build_vector (i32 IntRegs:$a1), (i32 IntRegs:$a2)),
include "SparcInstr64Bit.td"
include "SparcInstrVIS.td"
include "SparcInstrUAOSA.td"
include "SparcInstrCrypto.td"
include "SparcInstrAliases.td"
56 changes: 56 additions & 0 deletions llvm/test/MC/Disassembler/Sparc/sparc-crypto.txt
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# RUN: llvm-mc --disassemble %s -triple=sparcv9-unknown-linux -mattr=+crypto | FileCheck %s

## Crypto instructions.

# CHECK: aes_eround01 %f0, %f2, %f4, %f6
0x8c,0xc8,0x08,0x02
# CHECK: aes_eround23 %f0, %f2, %f4, %f6
0x8c,0xc8,0x08,0x22
# CHECK: aes_dround01 %f0, %f2, %f4, %f6
0x8c,0xc8,0x08,0x42
# CHECK: aes_dround23 %f0, %f2, %f4, %f6
0x8c,0xc8,0x08,0x62
# CHECK: aes_eround01_l %f0, %f2, %f4, %f6
0x8c,0xc8,0x08,0x82
# CHECK: aes_eround23_l %f0, %f2, %f4, %f6
0x8c,0xc8,0x08,0xa2
# CHECK: aes_dround01_l %f0, %f2, %f4, %f6
0x8c,0xc8,0x08,0xc2
# CHECK: aes_dround23_l %f0, %f2, %f4, %f6
0x8c,0xc8,0x08,0xe2
# CHECK: aes_kexpand0 %f0, %f2, %f4
0x89,0xb0,0x26,0x02
# CHECK: aes_kexpand1 %f0, %f2, 4, %f6
0x8c,0xc8,0x09,0x02
# CHECK: aes_kexpand2 %f0, %f2, %f4
0x89,0xb0,0x26,0x22
# CHECK: camellia_f %f0, %f2, %f4, %f6
0x8c,0xc8,0x09,0x82
# CHECK: camellia_fl %f0, %f2, %f4
0x89,0xb0,0x27,0x82
# CHECK: camellia_fli %f0, %f2, %f4
0x89,0xb0,0x27,0xa2
# CHECK: crc32c %f0, %f2, %f4
0x89,0xb0,0x28,0xe2
# CHECK: des_round %f0, %f2, %f4, %f6
0x8c,0xc8,0x09,0x22
# CHECK: des_ip %f0, %f2
0x85,0xb0,0x26,0x80
# CHECK: des_iip %f0, %f2
0x85,0xb0,0x26,0xa0
# CHECK: des_kexpand %f0, 2, %f4
0x89,0xb0,0x26,0xc2
# CHECK: md5
0x81,0xb0,0x28,0x00
# CHECK: sha1
0x81,0xb0,0x28,0x20
# CHECK: sha256
0x81,0xb0,0x28,0x40
# CHECK: sha512
0x81,0xb0,0x28,0x60
# CHECK: mpmul 1
0x81,0xb0,0x29,0x01
# CHECK: montmul 2
0x81,0xb0,0x29,0x22
# CHECK: montsqr 3
0x81,0xb0,0x29,0x43
88 changes: 88 additions & 0 deletions llvm/test/MC/Sparc/sparc-crypto.s
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! RUN: not llvm-mc %s -triple=sparcv9 -show-encoding 2>&1 | FileCheck %s --check-prefixes=NO-CRYPTO --implicit-check-not=error:
! RUN: llvm-mc %s -triple=sparcv9 -mattr=+crypto -show-encoding | FileCheck %s --check-prefixes=CRYPTO

!! Crypto instructions.

! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_eround01 %f0, %f2, %f4, %f6 ! encoding: [0x8c,0xc8,0x08,0x02]
aes_eround01 %f0, %f2, %f4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_eround23 %f0, %f2, %f4, %f6 ! encoding: [0x8c,0xc8,0x08,0x22]
aes_eround23 %f0, %f2, %f4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_dround01 %f0, %f2, %f4, %f6 ! encoding: [0x8c,0xc8,0x08,0x42]
aes_dround01 %f0, %f2, %f4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_dround23 %f0, %f2, %f4, %f6 ! encoding: [0x8c,0xc8,0x08,0x62]
aes_dround23 %f0, %f2, %f4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_eround01_l %f0, %f2, %f4, %f6 ! encoding: [0x8c,0xc8,0x08,0x82]
aes_eround01_l %f0, %f2, %f4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_eround23_l %f0, %f2, %f4, %f6 ! encoding: [0x8c,0xc8,0x08,0xa2]
aes_eround23_l %f0, %f2, %f4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_dround01_l %f0, %f2, %f4, %f6 ! encoding: [0x8c,0xc8,0x08,0xc2]
aes_dround01_l %f0, %f2, %f4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_dround23_l %f0, %f2, %f4, %f6 ! encoding: [0x8c,0xc8,0x08,0xe2]
aes_dround23_l %f0, %f2, %f4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_kexpand0 %f0, %f2, %f4 ! encoding: [0x89,0xb0,0x26,0x02]
aes_kexpand0 %f0, %f2, %f4
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_kexpand1 %f0, %f2, 4, %f6 ! encoding: [0x8c,0xc8,0x09,0x02]
aes_kexpand1 %f0, %f2, 4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: aes_kexpand2 %f0, %f2, %f4 ! encoding: [0x89,0xb0,0x26,0x22]
aes_kexpand2 %f0, %f2, %f4

! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: camellia_f %f0, %f2, %f4, %f6 ! encoding: [0x8c,0xc8,0x09,0x82]
camellia_f %f0, %f2, %f4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: camellia_fl %f0, %f2, %f4 ! encoding: [0x89,0xb0,0x27,0x82]
camellia_fl %f0, %f2, %f4
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: camellia_fli %f0, %f2, %f4 ! encoding: [0x89,0xb0,0x27,0xa2]
camellia_fli %f0, %f2, %f4

! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: crc32c %f0, %f2, %f4 ! encoding: [0x89,0xb0,0x28,0xe2]
crc32c %f0, %f2, %f4

! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: des_round %f0, %f2, %f4, %f6 ! encoding: [0x8c,0xc8,0x09,0x22]
des_round %f0, %f2, %f4, %f6
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: des_ip %f0, %f2 ! encoding: [0x85,0xb0,0x26,0x80]
des_ip %f0, %f2
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: des_iip %f0, %f2 ! encoding: [0x85,0xb0,0x26,0xa0]
des_iip %f0, %f2
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: des_kexpand %f0, 2, %f4 ! encoding: [0x89,0xb0,0x26,0xc2]
des_kexpand %f0, 2, %f4

! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: md5 ! encoding: [0x81,0xb0,0x28,0x00]
md5
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: sha1 ! encoding: [0x81,0xb0,0x28,0x20]
sha1
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: sha256 ! encoding: [0x81,0xb0,0x28,0x40]
sha256
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: sha512 ! encoding: [0x81,0xb0,0x28,0x60]
sha512

! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: mpmul 1 ! encoding: [0x81,0xb0,0x29,0x01]
mpmul 1
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: montmul 2 ! encoding: [0x81,0xb0,0x29,0x22]
montmul 2
! NO-CRYPTO: error: instruction requires a CPU feature not currently enabled
! CRYPTO: montsqr 3 ! encoding: [0x81,0xb0,0x29,0x43]
montsqr 3
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