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|
//===-- RISCVFeatures.td - RISC-V Features and Extensions --*- tablegen -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// RISC-V subtarget features and instruction predicates.
//===----------------------------------------------------------------------===//
def FeatureStdExtZicsr
: SubtargetFeature<"zicsr", "HasStdExtZicsr", "true",
"'zicsr' (CSRs)">;
def HasStdExtZicsr : Predicate<"Subtarget->hasStdExtZicsr()">,
AssemblerPredicate<(all_of FeatureStdExtZicsr),
"'Zicsr' (CSRs)">;
def FeatureStdExtM
: SubtargetFeature<"m", "HasStdExtM", "true",
"'M' (Integer Multiplication and Division)">;
def HasStdExtM : Predicate<"Subtarget->hasStdExtM()">,
AssemblerPredicate<(all_of FeatureStdExtM),
"'M' (Integer Multiplication and Division)">;
def FeatureStdExtZmmul
: SubtargetFeature<"zmmul", "HasStdExtZmmul", "true",
"'Zmmul' (Integer Multiplication)">;
def HasStdExtMOrZmmul
: Predicate<"Subtarget->hasStdExtM() || Subtarget->hasStdExtZmmul()">,
AssemblerPredicate<(any_of FeatureStdExtM, FeatureStdExtZmmul),
"'M' (Integer Multiplication and Division) or "
"'Zmmul' (Integer Multiplication)">;
def FeatureStdExtA
: SubtargetFeature<"a", "HasStdExtA", "true",
"'A' (Atomic Instructions)">;
def HasStdExtA : Predicate<"Subtarget->hasStdExtA()">,
AssemblerPredicate<(all_of FeatureStdExtA),
"'A' (Atomic Instructions)">;
def FeatureStdExtF
: SubtargetFeature<"f", "HasStdExtF", "true",
"'F' (Single-Precision Floating-Point)",
[FeatureStdExtZicsr]>;
def HasStdExtF : Predicate<"Subtarget->hasStdExtF()">,
AssemblerPredicate<(all_of FeatureStdExtF),
"'F' (Single-Precision Floating-Point)">;
def FeatureStdExtD
: SubtargetFeature<"d", "HasStdExtD", "true",
"'D' (Double-Precision Floating-Point)",
[FeatureStdExtF]>;
def HasStdExtD : Predicate<"Subtarget->hasStdExtD()">,
AssemblerPredicate<(all_of FeatureStdExtD),
"'D' (Double-Precision Floating-Point)">;
def FeatureStdExtH
: SubtargetFeature<"h", "HasStdExtH", "true",
"'H' (Hypervisor)">;
def HasStdExtH : Predicate<"Subtarget->hasStdExtH()">,
AssemblerPredicate<(all_of FeatureStdExtH),
"'H' (Hypervisor)">;
def FeatureStdExtZihintpause
: SubtargetFeature<"zihintpause", "HasStdExtZihintpause", "true",
"'Zihintpause' (Pause Hint)">;
def HasStdExtZihintpause : Predicate<"Subtarget->hasStdExtZihintpause()">,
AssemblerPredicate<(all_of FeatureStdExtZihintpause),
"'Zihintpause' (Pause Hint)">;
def FeatureStdExtZihintntl
: SubtargetFeature<"zihintntl", "HasStdExtZihintntl", "true",
"'Zihintntl' (Non-Temporal Locality Hints)">;
def HasStdExtZihintntl : Predicate<"Subtarget->hasStdExtZihintntl()">,
AssemblerPredicate<(all_of FeatureStdExtZihintntl),
"'Zihintntl' (Non-Temporal Locality Hints)">;
def FeatureStdExtZifencei
: SubtargetFeature<"zifencei", "HasStdExtZifencei", "true",
"'Zifencei' (fence.i)">;
def HasStdExtZifencei : Predicate<"Subtarget->hasStdExtZifencei()">,
AssemblerPredicate<(all_of FeatureStdExtZifencei),
"'Zifencei' (fence.i)">;
def FeatureStdExtZicntr
: SubtargetFeature<"zicntr", "HasStdExtZicntr", "true",
"'Zicntr' (Base Counters and Timers)",
[FeatureStdExtZicsr]>;
def FeatureStdExtZihpm
: SubtargetFeature<"zihpm", "HasStdExtZihpm", "true",
"'Zihpm' (Hardware Performance Counters)",
[FeatureStdExtZicsr]>;
def FeatureStdExtZfhmin
: SubtargetFeature<"zfhmin", "HasStdExtZfhmin", "true",
"'Zfhmin' (Half-Precision Floating-Point Minimal)",
[FeatureStdExtF]>;
def HasStdExtZfhmin : Predicate<"Subtarget->hasStdExtZfhmin()">,
AssemblerPredicate<(all_of FeatureStdExtZfhmin),
"'Zfhmin' (Half-Precision Floating-Point Minimal)">;
def FeatureStdExtZfh
: SubtargetFeature<"zfh", "HasStdExtZfh", "true",
"'Zfh' (Half-Precision Floating-Point)",
[FeatureStdExtZfhmin]>;
def HasStdExtZfh : Predicate<"Subtarget->hasStdExtZfh()">,
AssemblerPredicate<(all_of FeatureStdExtZfh),
"'Zfh' (Half-Precision Floating-Point)">;
def NoStdExtZfh : Predicate<"!Subtarget->hasStdExtZfh()">;
def HasStdExtZfhOrZfhmin
: Predicate<"Subtarget->hasStdExtZfhmin()">,
AssemblerPredicate<(all_of FeatureStdExtZfhmin),
"'Zfh' (Half-Precision Floating-Point) or "
"'Zfhmin' (Half-Precision Floating-Point Minimal)">;
def FeatureStdExtZfinx
: SubtargetFeature<"zfinx", "HasStdExtZfinx", "true",
"'Zfinx' (Float in Integer)",
[FeatureStdExtZicsr]>;
def HasStdExtZfinx : Predicate<"Subtarget->hasStdExtZfinx()">,
AssemblerPredicate<(all_of FeatureStdExtZfinx),
"'Zfinx' (Float in Integer)">;
def FeatureStdExtZdinx
: SubtargetFeature<"zdinx", "HasStdExtZdinx", "true",
"'Zdinx' (Double in Integer)",
[FeatureStdExtZfinx]>;
def HasStdExtZdinx : Predicate<"Subtarget->hasStdExtZdinx()">,
AssemblerPredicate<(all_of FeatureStdExtZdinx),
"'Zdinx' (Double in Integer)">;
def FeatureStdExtZhinxmin
: SubtargetFeature<"zhinxmin", "HasStdExtZhinxmin", "true",
"'Zhinxmin' (Half Float in Integer Minimal)",
[FeatureStdExtZfinx]>;
def HasStdExtZhinxmin : Predicate<"Subtarget->hasStdExtZhinxmin()">,
AssemblerPredicate<(all_of FeatureStdExtZhinxmin),
"'Zhinxmin' (Half Float in Integer Minimal)">;
def FeatureStdExtZhinx
: SubtargetFeature<"zhinx", "HasStdExtZhinx", "true",
"'Zhinx' (Half Float in Integer)",
[FeatureStdExtZhinxmin]>;
def HasStdExtZhinx : Predicate<"Subtarget->hasStdExtZhinx()">,
AssemblerPredicate<(all_of FeatureStdExtZhinx),
"'Zhinx' (Half Float in Integer)">;
def NoStdExtZhinx : Predicate<"!Subtarget->hasStdExtZhinx()">;
def HasStdExtZhinxOrZhinxmin
: Predicate<"Subtarget->hasStdExtZhinxmin()">,
AssemblerPredicate<(all_of FeatureStdExtZhinxmin),
"'Zhinx' (Half Float in Integer) or "
"'Zhinxmin' (Half Float in Integer Minimal)">;
def FeatureStdExtZfa
: SubtargetFeature<"zfa", "HasStdExtZfa", "true",
"'Zfa' (Additional Floating-Point)",
[FeatureStdExtF]>;
def HasStdExtZfa : Predicate<"Subtarget->hasStdExtZfa()">,
AssemblerPredicate<(all_of FeatureStdExtZfa),
"'Zfa' (Additional Floating-Point)">;
def FeatureStdExtC
: SubtargetFeature<"c", "HasStdExtC", "true",
"'C' (Compressed Instructions)">;
def HasStdExtC : Predicate<"Subtarget->hasStdExtC()">,
AssemblerPredicate<(all_of FeatureStdExtC),
"'C' (Compressed Instructions)">;
def FeatureStdExtZba
: SubtargetFeature<"zba", "HasStdExtZba", "true",
"'Zba' (Address Generation Instructions)">;
def HasStdExtZba : Predicate<"Subtarget->hasStdExtZba()">,
AssemblerPredicate<(all_of FeatureStdExtZba),
"'Zba' (Address Generation Instructions)">;
def NotHasStdExtZba : Predicate<"!Subtarget->hasStdExtZba()">;
def FeatureStdExtZbb
: SubtargetFeature<"zbb", "HasStdExtZbb", "true",
"'Zbb' (Basic Bit-Manipulation)">;
def HasStdExtZbb : Predicate<"Subtarget->hasStdExtZbb()">,
AssemblerPredicate<(all_of FeatureStdExtZbb),
"'Zbb' (Basic Bit-Manipulation)">;
def FeatureStdExtZbc
: SubtargetFeature<"zbc", "HasStdExtZbc", "true",
"'Zbc' (Carry-Less Multiplication)">;
def HasStdExtZbc : Predicate<"Subtarget->hasStdExtZbc()">,
AssemblerPredicate<(all_of FeatureStdExtZbc),
"'Zbc' (Carry-Less Multiplication)">;
def FeatureStdExtZbs
: SubtargetFeature<"zbs", "HasStdExtZbs", "true",
"'Zbs' (Single-Bit Instructions)">;
def HasStdExtZbs : Predicate<"Subtarget->hasStdExtZbs()">,
AssemblerPredicate<(all_of FeatureStdExtZbs),
"'Zbs' (Single-Bit Instructions)">;
def FeatureStdExtZbkb
: SubtargetFeature<"zbkb", "HasStdExtZbkb", "true",
"'Zbkb' (Bitmanip instructions for Cryptography)">;
def HasStdExtZbkb : Predicate<"Subtarget->hasStdExtZbkb()">,
AssemblerPredicate<(all_of FeatureStdExtZbkb),
"'Zbkb' (Bitmanip instructions for Cryptography)">;
def FeatureStdExtZbkx
: SubtargetFeature<"zbkx", "HasStdExtZbkx", "true",
"'Zbkx' (Crossbar permutation instructions)">;
def HasStdExtZbkx : Predicate<"Subtarget->hasStdExtZbkx()">,
AssemblerPredicate<(all_of FeatureStdExtZbkx),
"'Zbkx' (Crossbar permutation instructions)">;
def HasStdExtZbbOrZbkb
: Predicate<"Subtarget->hasStdExtZbb() || Subtarget->hasStdExtZbkb()">,
AssemblerPredicate<(any_of FeatureStdExtZbb, FeatureStdExtZbkb),
"'Zbb' (Basic Bit-Manipulation) or "
"'Zbkb' (Bitmanip instructions for Cryptography)">;
// The Carry-less multiply subextension for cryptography is a subset of basic
// carry-less multiply subextension. The former should be enabled if the latter
// is enabled.
def FeatureStdExtZbkc
: SubtargetFeature<"zbkc", "HasStdExtZbkc", "true",
"'Zbkc' (Carry-less multiply instructions for "
"Cryptography)">;
def HasStdExtZbkc
: Predicate<"Subtarget->hasStdExtZbkc()">,
AssemblerPredicate<(all_of FeatureStdExtZbkc),
"'Zbkc' (Carry-less multiply instructions for Cryptography)">;
def HasStdExtZbcOrZbkc
: Predicate<"Subtarget->hasStdExtZbc() || Subtarget->hasStdExtZbkc()">,
AssemblerPredicate<(any_of FeatureStdExtZbc, FeatureStdExtZbkc),
"'Zbc' (Carry-Less Multiplication) or "
"'Zbkc' (Carry-less multiply instructions "
"for Cryptography)">;
def FeatureStdExtZknd
: SubtargetFeature<"zknd", "HasStdExtZknd", "true",
"'Zknd' (NIST Suite: AES Decryption)">;
def HasStdExtZknd : Predicate<"Subtarget->hasStdExtZknd()">,
AssemblerPredicate<(all_of FeatureStdExtZknd),
"'Zknd' (NIST Suite: AES Decryption)">;
def FeatureStdExtZkne
: SubtargetFeature<"zkne", "HasStdExtZkne", "true",
"'Zkne' (NIST Suite: AES Encryption)">;
def HasStdExtZkne : Predicate<"Subtarget->hasStdExtZkne()">,
AssemblerPredicate<(all_of FeatureStdExtZkne),
"'Zkne' (NIST Suite: AES Encryption)">;
// Some instructions belong to both Zknd and Zkne subextensions.
// They should be enabled if either has been specified.
def HasStdExtZkndOrZkne
: Predicate<"Subtarget->hasStdExtZknd() || Subtarget->hasStdExtZkne()">,
AssemblerPredicate<(any_of FeatureStdExtZknd, FeatureStdExtZkne),
"'Zknd' (NIST Suite: AES Decryption) or "
"'Zkne' (NIST Suite: AES Encryption)">;
def FeatureStdExtZknh
: SubtargetFeature<"zknh", "HasStdExtZknh", "true",
"'Zknh' (NIST Suite: Hash Function Instructions)">;
def HasStdExtZknh : Predicate<"Subtarget->hasStdExtZknh()">,
AssemblerPredicate<(all_of FeatureStdExtZknh),
"'Zknh' (NIST Suite: Hash Function Instructions)">;
def FeatureStdExtZksed
: SubtargetFeature<"zksed", "HasStdExtZksed", "true",
"'Zksed' (ShangMi Suite: SM4 Block Cipher Instructions)">;
def HasStdExtZksed : Predicate<"Subtarget->hasStdExtZksed()">,
AssemblerPredicate<(all_of FeatureStdExtZksed),
"'Zksed' (ShangMi Suite: SM4 Block Cipher Instructions)">;
def FeatureStdExtZksh
: SubtargetFeature<"zksh", "HasStdExtZksh", "true",
"'Zksh' (ShangMi Suite: SM3 Hash Function Instructions)">;
def HasStdExtZksh : Predicate<"Subtarget->hasStdExtZksh()">,
AssemblerPredicate<(all_of FeatureStdExtZksh),
"'Zksh' (ShangMi Suite: SM3 Hash Function "
"Instructions)">;
def FeatureStdExtZkr
: SubtargetFeature<"zkr", "HasStdExtZkr", "true",
"'Zkr' (Entropy Source Extension)">;
def HasStdExtZkr : Predicate<"Subtarget->hasStdExtZkr()">,
AssemblerPredicate<(all_of FeatureStdExtZkr),
"'Zkr' (Entropy Source Extension)">;
def FeatureStdExtZkn
: SubtargetFeature<"zkn", "HasStdExtZkn", "true",
"'Zkn' (NIST Algorithm Suite)",
[FeatureStdExtZbkb,
FeatureStdExtZbkc,
FeatureStdExtZbkx,
FeatureStdExtZkne,
FeatureStdExtZknd,
FeatureStdExtZknh]>;
def FeatureStdExtZks
: SubtargetFeature<"zks", "HasStdExtZks", "true",
"'Zks' (ShangMi Algorithm Suite)",
[FeatureStdExtZbkb,
FeatureStdExtZbkc,
FeatureStdExtZbkx,
FeatureStdExtZksed,
FeatureStdExtZksh]>;
def FeatureStdExtZkt
: SubtargetFeature<"zkt", "HasStdExtZkt", "true",
"'Zkt' (Data Independent Execution Latency)">;
def FeatureStdExtZk
: SubtargetFeature<"zk", "HasStdExtZk", "true",
"'Zk' (Standard scalar cryptography extension)",
[FeatureStdExtZkn,
FeatureStdExtZkr,
FeatureStdExtZkt]>;
def FeatureStdExtZca
: SubtargetFeature<"zca", "HasStdExtZca", "true",
"'Zca' (part of the C extension, excluding compressed "
"floating point loads/stores)">;
def HasStdExtCOrZca
: Predicate<"Subtarget->hasStdExtCOrZca()">,
AssemblerPredicate<(any_of FeatureStdExtC, FeatureStdExtZca),
"'C' (Compressed Instructions) or "
"'Zca' (part of the C extension, excluding "
"compressed floating point loads/stores)">;
def FeatureStdExtZcb
: SubtargetFeature<"zcb", "HasStdExtZcb", "true",
"'Zcb' (Compressed basic bit manipulation instructions)",
[FeatureStdExtZca]>;
def HasStdExtZcb : Predicate<"Subtarget->hasStdExtZcb()">,
AssemblerPredicate<(all_of FeatureStdExtZcb),
"'Zcb' (Compressed basic bit manipulation instructions)">;
def FeatureStdExtZcd
: SubtargetFeature<"zcd", "HasStdExtZcd", "true",
"'Zcd' (Compressed Double-Precision Floating-Point Instructions)",
[FeatureStdExtZca]>;
def HasStdExtCOrZcd
: Predicate<"Subtarget->hasStdExtC() || Subtarget->hasStdExtZcd()">,
AssemblerPredicate<(any_of FeatureStdExtC, FeatureStdExtZcd),
"'C' (Compressed Instructions) or "
"'Zcd' (Compressed Double-Precision Floating-Point Instructions)">;
def FeatureStdExtZcf
: SubtargetFeature<"zcf", "HasStdExtZcf", "true",
"'Zcf' (Compressed Single-Precision Floating-Point Instructions)",
[FeatureStdExtZca]>;
def FeatureStdExtZcmp
: SubtargetFeature<"zcmp", "HasStdExtZcmp", "true",
"'Zcmp' (sequenced instuctions for code-size reduction)",
[FeatureStdExtZca]>;
def HasStdExtZcmp : Predicate<"Subtarget->hasStdExtZcmp() && !Subtarget->hasStdExtC()">,
AssemblerPredicate<(all_of FeatureStdExtZcmp),
"'Zcmp' (sequenced instuctions for code-size reduction)">;
def FeatureStdExtZcmt
: SubtargetFeature<"zcmt", "HasStdExtZcmt", "true",
"'Zcmt' (table jump instuctions for code-size reduction)",
[FeatureStdExtZca, FeatureStdExtZicsr]>;
def HasStdExtZcmt : Predicate<"Subtarget->hasStdExtZcmt()">,
AssemblerPredicate<(all_of FeatureStdExtZcmt),
"'Zcmt' (table jump instuctions for code-size reduction)">;
def FeatureStdExtZce
: SubtargetFeature<"zce", "HasStdExtZce", "true",
"'Zce' (Compressed extensions for microcontrollers)",
[FeatureStdExtZca, FeatureStdExtZcb, FeatureStdExtZcmp,
FeatureStdExtZcmt]>;
def HasStdExtCOrZcfOrZce
: Predicate<"Subtarget->hasStdExtC() || Subtarget->hasStdExtZcf() "
"Subtarget->hasStdExtZce()">,
AssemblerPredicate<(any_of FeatureStdExtC, FeatureStdExtZcf,
FeatureStdExtZce),
"'C' (Compressed Instructions) or "
"'Zcf' (Compressed Single-Precision Floating-Point Instructions)">;
def FeatureNoRVCHints
: SubtargetFeature<"no-rvc-hints", "EnableRVCHintInstrs", "false",
"Disable RVC Hint Instructions.">;
def HasRVCHints : Predicate<"Subtarget->enableRVCHintInstrs()">,
AssemblerPredicate<(all_of(not FeatureNoRVCHints)),
"RVC Hint Instructions">;
def FeatureStdExtZvl32b : SubtargetFeature<"zvl32b", "ZvlLen", "32",
"'Zvl' (Minimum Vector Length) 32">;
foreach i = { 6-16 } in {
defvar I = !shl(1, i);
def FeatureStdExtZvl#I#b :
SubtargetFeature<"zvl"#I#"b", "ZvlLen", !cast<string>(I),
"'Zvl' (Minimum Vector Length) "#I,
[!cast<SubtargetFeature>("FeatureStdExtZvl"#!srl(I, 1)#"b")]>;
}
def FeatureStdExtZve32x
: SubtargetFeature<"zve32x", "HasStdExtZve32x", "true",
"'Zve32x' (Vector Extensions for Embedded Processors "
"with maximal 32 EEW)",
[FeatureStdExtZicsr, FeatureStdExtZvl32b]>;
def FeatureStdExtZve32f
: SubtargetFeature<"zve32f", "HasStdExtZve32f", "true",
"'Zve32f' (Vector Extensions for Embedded Processors "
"with maximal 32 EEW and F extension)",
[FeatureStdExtZve32x, FeatureStdExtF]>;
def FeatureStdExtZve64x
: SubtargetFeature<"zve64x", "HasStdExtZve64x", "true",
"'Zve64x' (Vector Extensions for Embedded Processors "
"with maximal 64 EEW)",
[FeatureStdExtZve32x, FeatureStdExtZvl64b]>;
def FeatureStdExtZve64f
: SubtargetFeature<"zve64f", "HasStdExtZve64f", "true",
"'Zve64f' (Vector Extensions for Embedded Processors "
"with maximal 64 EEW and F extension)",
[FeatureStdExtZve32f, FeatureStdExtZve64x]>;
def FeatureStdExtZve64d
: SubtargetFeature<"zve64d", "HasStdExtZve64d", "true",
"'Zve64d' (Vector Extensions for Embedded Processors "
"with maximal 64 EEW, F and D extension)",
[FeatureStdExtZve64f, FeatureStdExtD]>;
def FeatureStdExtV
: SubtargetFeature<"v", "HasStdExtV", "true",
"'V' (Vector Extension for Application Processors)",
[FeatureStdExtZvl128b, FeatureStdExtZve64d]>;
def HasVInstructions : Predicate<"Subtarget->hasVInstructions()">,
AssemblerPredicate<
(any_of FeatureStdExtZve32x),
"'V' (Vector Extension for Application Processors), 'Zve32x' "
"(Vector Extensions for Embedded Processors)">;
def HasVInstructionsI64 : Predicate<"Subtarget->hasVInstructionsI64()">,
AssemblerPredicate<
(any_of FeatureStdExtZve64x),
"'V' (Vector Extension for Application Processors) or 'Zve64x' "
"(Vector Extensions for Embedded Processors)">;
def HasVInstructionsAnyF : Predicate<"Subtarget->hasVInstructionsAnyF()">,
AssemblerPredicate<
(any_of FeatureStdExtZve32f),
"'V' (Vector Extension for Application Processors), 'Zve32f' "
"(Vector Extensions for Embedded Processors)">;
def HasVInstructionsF64 : Predicate<"Subtarget->hasVInstructionsF64()">;
def HasVInstructionsFullMultiply : Predicate<"Subtarget->hasVInstructionsFullMultiply()">;
def FeatureStdExtZfbfmin
: SubtargetFeature<"experimental-zfbfmin", "HasStdExtZfbfmin", "true",
"'Zfbfmin' (Scalar BF16 Converts)",
[FeatureStdExtF]>;
def HasStdExtZfbfmin : Predicate<"Subtarget->hasStdExtZfbfmin()">,
AssemblerPredicate<(all_of FeatureStdExtZfbfmin),
"'Zfbfmin' (Scalar BF16 Converts)">;
def FeatureStdExtZvfbfmin
: SubtargetFeature<"experimental-zvfbfmin", "HasStdExtZvfbfmin", "true",
"'Zvbfmin' (Vector BF16 Converts)",
[FeatureStdExtZve32f]>;
def HasStdExtZvfbfmin : Predicate<"Subtarget->hasStdExtZvfbfmin()">,
AssemblerPredicate<(all_of FeatureStdExtZvfbfmin),
"'Zvfbfmin' (Vector BF16 Converts)">;
def FeatureStdExtZvfbfwma
: SubtargetFeature<"experimental-zvfbfwma", "HasStdExtZvfbfwma", "true",
"'Zvfbfwma' (Vector BF16 widening mul-add)",
[FeatureStdExtZvfbfmin, FeatureStdExtZfbfmin]>;
def HasStdExtZvfbfwma : Predicate<"Subtarget->hasStdExtZvfbfwma()">,
AssemblerPredicate<(all_of FeatureStdExtZvfbfwma),
"'Zvfbfwma' (Vector BF16 widening mul-add)">;
def HasVInstructionsBF16 : Predicate<"Subtarget->hasVInstructionsBF16()">;
def FeatureStdExtZvfhmin
: SubtargetFeature<"zvfhmin", "HasStdExtZvfhmin", "true",
"'Zvfhmin' (Vector Half-Precision Floating-Point Minimal)",
[FeatureStdExtZve32f]>;
def FeatureStdExtZvfh
: SubtargetFeature<"zvfh", "HasStdExtZvfh", "true",
"'Zvfh' (Vector Half-Precision Floating-Point)",
[FeatureStdExtZvfhmin, FeatureStdExtZfhmin]>;
def HasVInstructionsF16 : Predicate<"Subtarget->hasVInstructionsF16()">;
def HasVInstructionsF16Minimal : Predicate<"Subtarget->hasVInstructionsF16Minimal()">,
AssemblerPredicate<(any_of FeatureStdExtZvfhmin, FeatureStdExtZvfh),
"'Zvfhmin' (Vector Half-Precision Floating-Point Minimal) or "
"'Zvfh' (Vector Half-Precision Floating-Point)">;
def HasStdExtZfhOrZvfh
: Predicate<"Subtarget->hasStdExtZfh() || Subtarget->hasStdExtZvfh()">,
AssemblerPredicate<(any_of FeatureStdExtZfh, FeatureStdExtZvfh),
"'Zfh' (Half-Precision Floating-Point) or "
"'Zvfh' (Vector Half-Precision Floating-Point)">;
def FeatureStdExtZicbom
: SubtargetFeature<"zicbom", "HasStdExtZicbom", "true",
"'Zicbom' (Cache-Block Management Instructions)">;
def HasStdExtZicbom : Predicate<"Subtarget->hasStdExtZicbom()">,
AssemblerPredicate<(all_of FeatureStdExtZicbom),
"'Zicbom' (Cache-Block Management Instructions)">;
def FeatureStdExtZicboz
: SubtargetFeature<"zicboz", "HasStdExtZicboz", "true",
"'Zicboz' (Cache-Block Zero Instructions)">;
def HasStdExtZicboz : Predicate<"Subtarget->hasStdExtZicboz()">,
AssemblerPredicate<(all_of FeatureStdExtZicboz),
"'Zicboz' (Cache-Block Zero Instructions)">;
def FeatureStdExtZicbop
: SubtargetFeature<"zicbop", "HasStdExtZicbop", "true",
"'Zicbop' (Cache-Block Prefetch Instructions)">;
def HasStdExtZicbop : Predicate<"Subtarget->hasStdExtZicbop()">,
AssemblerPredicate<(all_of FeatureStdExtZicbop),
"'Zicbop' (Cache-Block Prefetch Instructions)">;
def FeatureStdExtSvnapot
: SubtargetFeature<"svnapot", "HasStdExtSvnapot", "true",
"'Svnapot' (NAPOT Translation Contiguity)">;
def FeatureStdExtSvpbmt
: SubtargetFeature<"svpbmt", "HasStdExtSvpbmt", "true",
"'Svpbmt' (Page-Based Memory Types)">;
def FeatureStdExtSvinval
: SubtargetFeature<"svinval", "HasStdExtSvinval", "true",
"'Svinval' (Fine-Grained Address-Translation Cache Invalidation)">;
def HasStdExtSvinval : Predicate<"Subtarget->hasStdExtSvinval()">,
AssemblerPredicate<(all_of FeatureStdExtSvinval),
"'Svinval' (Fine-Grained Address-Translation Cache Invalidation)">;
def FeatureStdExtZtso
: SubtargetFeature<"experimental-ztso", "HasStdExtZtso", "true",
"'Ztso' (Memory Model - Total Store Order)">;
def HasStdExtZtso : Predicate<"Subtarget->hasStdExtZtso()">,
AssemblerPredicate<(all_of FeatureStdExtZtso),
"'Ztso' (Memory Model - Total Store Order)">;
def NotHasStdExtZtso : Predicate<"!Subtarget->hasStdExtZtso()">;
def FeatureStdExtZawrs : SubtargetFeature<"zawrs", "HasStdExtZawrs", "true",
"'Zawrs' (Wait on Reservation Set)">;
def HasStdExtZawrs : Predicate<"Subtarget->hasStdExtZawrs()">,
AssemblerPredicate<(all_of FeatureStdExtZawrs),
"'Zawrs' (Wait on Reservation Set)">;
def FeatureStdExtZvkb
: SubtargetFeature<"zvkb", "HasStdExtZvkb", "true",
"'Zvkb' (Vector Bit-manipulation used in Cryptography)">;
def HasStdExtZvkb : Predicate<"Subtarget->hasStdExtZvkb()">,
AssemblerPredicate<(all_of FeatureStdExtZvkb),
"'Zvkb' (Vector Bit-manipulation used in Cryptography)">;
def FeatureStdExtZvbb
: SubtargetFeature<"zvbb", "HasStdExtZvbb", "true",
"'Zvbb' (Vector basic bit-manipulation instructions.)",
[FeatureStdExtZvkb]>;
def HasStdExtZvbb : Predicate<"Subtarget->hasStdExtZvbb()">,
AssemblerPredicate<(all_of FeatureStdExtZvbb),
"'Zvbb' (Vector basic bit-manipulation instructions.)">;
def FeatureStdExtZvbc
: SubtargetFeature<"zvbc", "HasStdExtZvbc", "true",
"'Zvbc' (Vector Carryless Multiplication)">;
def HasStdExtZvbc : Predicate<"Subtarget->hasStdExtZvbc()">,
AssemblerPredicate<(all_of FeatureStdExtZvbc),
"'Zvbc' (Vector Carryless Multiplication)">;
def FeatureStdExtZvkg
: SubtargetFeature<"zvkg", "HasStdExtZvkg", "true",
"'Zvkg' (Vector GCM instructions for Cryptography)">;
def HasStdExtZvkg : Predicate<"Subtarget->hasStdExtZvkg()">,
AssemblerPredicate<(all_of FeatureStdExtZvkg),
"'Zvkg' (Vector GCM instructions for Cryptography)">;
def FeatureStdExtZvkned
: SubtargetFeature<"zvkned", "HasStdExtZvkned", "true",
"'Zvkned' (Vector AES Encryption & Decryption (Single Round))">;
def HasStdExtZvkned : Predicate<"Subtarget->hasStdExtZvkned()">,
AssemblerPredicate<(all_of FeatureStdExtZvkned),
"'Zvkned' (Vector AES Encryption & Decryption (Single Round))">;
def FeatureStdExtZvknha
: SubtargetFeature<"zvknha", "HasStdExtZvknha", "true",
"'Zvknha' (Vector SHA-2 (SHA-256 only))">;
def HasStdExtZvknha : Predicate<"Subtarget->hasStdExtZvknha()">,
AssemblerPredicate<(all_of FeatureStdExtZvknha),
"'Zvknha' (Vector SHA-2 (SHA-256 only))">;
def FeatureStdExtZvknhb
: SubtargetFeature<"zvknhb", "HasStdExtZvknhb", "true",
"'Zvknhb' (Vector SHA-2 (SHA-256 and SHA-512))",
[FeatureStdExtZve64x]>;
def HasStdExtZvknhb : Predicate<"Subtarget->hasStdExtZvknhb()">,
AssemblerPredicate<(all_of FeatureStdExtZvknhb),
"'Zvknhb' (Vector SHA-2 (SHA-256 and SHA-512))">;
def HasStdExtZvknhaOrZvknhb : Predicate<"Subtarget->hasStdExtZvknha() || Subtarget->hasStdExtZvknhb()">,
AssemblerPredicate<(any_of FeatureStdExtZvknha, FeatureStdExtZvknhb),
"'Zvknha' or 'Zvknhb' (Vector SHA-2)">;
def FeatureStdExtZvksed
: SubtargetFeature<"zvksed", "HasStdExtZvksed", "true",
"'Zvksed' (SM4 Block Cipher Instructions)">;
def HasStdExtZvksed : Predicate<"Subtarget->hasStdExtZvksed()">,
AssemblerPredicate<(all_of FeatureStdExtZvksed),
"'Zvksed' (SM4 Block Cipher Instructions)">;
def FeatureStdExtZvksh
: SubtargetFeature<"zvksh", "HasStdExtZvksh", "true",
"'Zvksh' (SM3 Hash Function Instructions)">;
def HasStdExtZvksh : Predicate<"Subtarget->hasStdExtZvksh()">,
AssemblerPredicate<(all_of FeatureStdExtZvksh),
"'Zvksh' (SM3 Hash Function Instructions)">;
def FeatureStdExtZvkt
: SubtargetFeature<"zvkt", "HasStdExtZvkt", "true",
"'Zvkt' (Vector Data-Independent Execution Latency)">;
// Zvk short-hand extensions
def FeatureStdExtZvkn
: SubtargetFeature<"zvkn", "HasStdExtZvkn", "true",
"This extension is shorthand for the following set of "
"other extensions: Zvkned, Zvknhb, Zvkb and Zvkt.",
[FeatureStdExtZvkned, FeatureStdExtZvknhb,
FeatureStdExtZvkb, FeatureStdExtZvkt]>;
def FeatureStdExtZvknc
: SubtargetFeature<"zvknc", "HasStdExtZvknc", "true",
"This extension is shorthand for the following set of "
"other extensions: Zvkn and Zvbc.",
[FeatureStdExtZvkn, FeatureStdExtZvbc]>;
def FeatureStdExtZvkng
: SubtargetFeature<"zvkng", "HasStdExtZvkng", "true",
"This extension is shorthand for the following set of "
"other extensions: Zvkn and Zvkg.",
[FeatureStdExtZvkn, FeatureStdExtZvkg]>;
def FeatureStdExtZvks
: SubtargetFeature<"zvks", "HasStdExtZvks", "true",
"This extension is shorthand for the following set of "
"other extensions: Zvksed, Zvksh, Zvkb and Zvkt.",
[FeatureStdExtZvksed, FeatureStdExtZvksh,
FeatureStdExtZvkb, FeatureStdExtZvkt]>;
def FeatureStdExtZvksc
: SubtargetFeature<"zvksc", "HasStdExtZvksc", "true",
"This extension is shorthand for the following set of "
"other extensions: Zvks and Zvbc.",
[FeatureStdExtZvks, FeatureStdExtZvbc]>;
def FeatureStdExtZvksg
: SubtargetFeature<"zvksg", "HasStdExtZvksg", "true",
"This extension is shorthand for the following set of "
"other extensions: Zvks and Zvkg.",
[FeatureStdExtZvks, FeatureStdExtZvkg]>;
def FeatureStdExtZicfilp
: SubtargetFeature<"experimental-zicfilp", "HasStdExtZicfilp", "true",
"'Zicfilp' (Landing pad)">;
def HasStdExtZicfilp : Predicate<"Subtarget->hasStdExtZicfilp()">,
AssemblerPredicate<(all_of FeatureStdExtZicfilp),
"'Zicfilp' (Landing pad)">;
def FeatureStdExtZicond
: SubtargetFeature<"experimental-zicond", "HasStdExtZicond", "true",
"'Zicond' (Integer Conditional Operations)">;
def HasStdExtZicond : Predicate<"Subtarget->hasStdExtZicond()">,
AssemblerPredicate<(all_of FeatureStdExtZicond),
"'Zicond' (Integer Conditional Operations)">;
def FeatureStdExtZimop : SubtargetFeature<"experimental-zimop", "HasStdExtZimop", "true",
"'Zimop' (May-Be-Operations)">;
def HasStdExtZimop : Predicate<"Subtarget->hasStdExtZimop()">,
AssemblerPredicate<(all_of FeatureStdExtZimop),
"'Zimop' (May-Be-Operations)">;
def FeatureStdExtZcmop : SubtargetFeature<"experimental-zcmop", "HasStdExtZcmop", "true",
"'Zcmop' (Compressed May-Be-Operations)",
[FeatureStdExtZca]>;
def HasStdExtZcmop : Predicate<"Subtarget->hasStdExtZcmop()">,
AssemblerPredicate<(all_of FeatureStdExtZcmop),
"'Zcmop' (Compressed May-Be-Operations)">;
def FeatureStdExtZicfiss
: SubtargetFeature<"experimental-zicfiss", "HasStdExtZicfiss", "true",
"'Zicfiss' (Shadow stack)",
[FeatureStdExtZicsr, FeatureStdExtZimop]>;
def HasStdExtZicfiss : Predicate<"Subtarget->hasStdExtZicfiss()">,
AssemblerPredicate<(all_of FeatureStdExtZicfiss),
"'Zicfiss' (Shadow stack)">;
def NoHasStdExtZicfiss : Predicate<"!Subtarget->hasStdExtZicfiss()">;
def FeatureStdExtSmaia
: SubtargetFeature<"smaia", "HasStdExtSmaia", "true",
"'Smaia' (Smaia encompasses all added CSRs and all "
"modifications to interrupt response behavior that the "
"AIA specifies for a hart, over all privilege levels.)",
[]>;
def FeatureStdExtSsaia
: SubtargetFeature<"ssaia", "HasStdExtSsaia", "true",
"'Ssaia' (Ssaia is essentially the same as Smaia except "
"excluding the machine-level CSRs and behavior not "
"directly visible to supervisor level.)", []>;
def HasHalfFPLoadStoreMove
: Predicate<"Subtarget->hasHalfFPLoadStoreMove()">,
AssemblerPredicate<(any_of FeatureStdExtZfh, FeatureStdExtZfhmin,
FeatureStdExtZfbfmin),
"'Zfh' (Half-Precision Floating-Point) or "
"'Zfhmin' (Half-Precision Floating-Point Minimal) or "
"'Zfbfmin' (Scalar BF16 Converts)">;
def FeatureStdExtZacas
: SubtargetFeature<"experimental-zacas", "HasStdExtZacas", "true",
"'Zacas' (Atomic Compare-And-Swap Instructions)">;
def HasStdExtZacas : Predicate<"Subtarget->hasStdExtZacas()">,
AssemblerPredicate<(all_of FeatureStdExtZacas),
"'Zacas' (Atomic Compare-And-Swap Instructions)">;
//===----------------------------------------------------------------------===//
// Vendor extensions
//===----------------------------------------------------------------------===//
def FeatureVendorXVentanaCondOps
: SubtargetFeature<"xventanacondops", "HasVendorXVentanaCondOps", "true",
"'XVentanaCondOps' (Ventana Conditional Ops)">;
def HasVendorXVentanaCondOps : Predicate<"Subtarget->hasVendorXVentanaCondOps()">,
AssemblerPredicate<(all_of FeatureVendorXVentanaCondOps),
"'XVentanaCondOps' (Ventana Conditional Ops)">;
def FeatureVendorXTHeadBa
: SubtargetFeature<"xtheadba", "HasVendorXTHeadBa", "true",
"'xtheadba' (T-Head address calculation instructions)">;
def HasVendorXTHeadBa : Predicate<"Subtarget->hasVendorXTHeadBa()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadBa),
"'xtheadba' (T-Head address calculation instructions)">;
def FeatureVendorXTHeadBb
: SubtargetFeature<"xtheadbb", "HasVendorXTHeadBb", "true",
"'xtheadbb' (T-Head basic bit-manipulation instructions)">;
def HasVendorXTHeadBb : Predicate<"Subtarget->hasVendorXTHeadBb()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadBb),
"'xtheadbb' (T-Head basic bit-manipulation instructions)">;
def FeatureVendorXTHeadBs
: SubtargetFeature<"xtheadbs", "HasVendorXTHeadBs", "true",
"'xtheadbs' (T-Head single-bit instructions)">;
def HasVendorXTHeadBs : Predicate<"Subtarget->hasVendorXTHeadBs()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadBs),
"'xtheadbs' (T-Head single-bit instructions)">;
def FeatureVendorXTHeadCondMov
: SubtargetFeature<"xtheadcondmov", "HasVendorXTHeadCondMov", "true",
"'xtheadcondmov' (T-Head conditional move instructions)">;
def HasVendorXTHeadCondMov : Predicate<"Subtarget->hasVendorXTHeadCondMov()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadCondMov),
"'xtheadcondmov' (T-Head conditional move instructions)">;
def FeatureVendorXTHeadCmo
: SubtargetFeature<"xtheadcmo", "HasVendorXTHeadCmo", "true",
"'xtheadcmo' (T-Head cache management instructions)">;
def HasVendorXTHeadCmo : Predicate<"Subtarget->hasVendorXTHeadCmo()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadCmo),
"'xtheadcmo' (T-Head cache management instructions)">;
def FeatureVendorXTHeadFMemIdx
: SubtargetFeature<"xtheadfmemidx", "HasVendorXTHeadFMemIdx", "true",
"'xtheadfmemidx' (T-Head FP Indexed Memory Operations)",
[FeatureStdExtF]>;
def HasVendorXTHeadFMemIdx : Predicate<"Subtarget->hasVendorXTHeadFMemIdx()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadFMemIdx),
"'xtheadfmemidx' (T-Head FP Indexed Memory Operations)">;
def FeatureVendorXTHeadMac
: SubtargetFeature<"xtheadmac", "HasVendorXTHeadMac", "true",
"'xtheadmac' (T-Head Multiply-Accumulate Instructions)">;
def HasVendorXTHeadMac : Predicate<"Subtarget->hasVendorXTHeadMac()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadMac),
"'xtheadmac' (T-Head Multiply-Accumulate Instructions)">;
def FeatureVendorXTHeadMemIdx
: SubtargetFeature<"xtheadmemidx", "HasVendorXTHeadMemIdx", "true",
"'xtheadmemidx' (T-Head Indexed Memory Operations)">;
def HasVendorXTHeadMemIdx : Predicate<"Subtarget->hasVendorXTHeadMemIdx()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadMemIdx),
"'xtheadmemidx' (T-Head Indexed Memory Operations)">;
def FeatureVendorXTHeadMemPair
: SubtargetFeature<"xtheadmempair", "HasVendorXTHeadMemPair", "true",
"'xtheadmempair' (T-Head two-GPR Memory Operations)">;
def HasVendorXTHeadMemPair : Predicate<"Subtarget->hasVendorXTHeadMemPair()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadMemPair),
"'xtheadmempair' (T-Head two-GPR Memory Operations)">;
def FeatureVendorXTHeadSync
: SubtargetFeature<"xtheadsync", "HasVendorXTHeadSync", "true",
"'xtheadsync' (T-Head multicore synchronization instructions)">;
def HasVendorXTHeadSync : Predicate<"Subtarget->hasVendorXTHeadSync()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadSync),
"'xtheadsync' (T-Head multicore synchronization instructions)">;
def FeatureVendorXTHeadVdot
: SubtargetFeature<"xtheadvdot", "HasVendorXTHeadVdot", "true",
"'xtheadvdot' (T-Head Vector Extensions for Dot)",
[FeatureStdExtV]>;
def HasVendorXTHeadVdot : Predicate<"Subtarget->hasVendorXTHeadVdot()">,
AssemblerPredicate<(all_of FeatureVendorXTHeadVdot),
"'xtheadvdot' (T-Head Vector Extensions for Dot)">;
def FeatureVendorXSfvcp
: SubtargetFeature<"xsfvcp", "HasVendorXSfvcp", "true",
"'XSfvcp' (SiFive Custom Vector Coprocessor Interface Instructions)",
[FeatureStdExtZve32x]>;
def HasVendorXSfvcp : Predicate<"Subtarget->hasVendorXSfvcp()">,
AssemblerPredicate<(all_of FeatureVendorXSfvcp),
"'XSfvcp' (SiFive Custom Vector Coprocessor Interface Instructions)">;
def FeatureVendorXSfvqmaccdod
: SubtargetFeature<"xsfvqmaccdod", "HasVendorXSfvqmaccdod", "true",
"'XSfvqmaccdod' (SiFive Int8 Matrix Multiplication Instructions (2-by-8 and 8-by-2))",
[FeatureStdExtZve32x]>;
def HasVendorXSfvqmaccdod : Predicate<"Subtarget->hasVendorXSfvqmaccdod()">,
AssemblerPredicate<(all_of FeatureVendorXSfvqmaccdod),
"'XSfvqmaccdod' (SiFive Int8 Matrix Multiplication Instructions (2-by-8 and 8-by-2))">;
def FeatureVendorXSfvqmaccqoq
: SubtargetFeature<"xsfvqmaccqoq", "HasVendorXSfvqmaccqoq", "true",
"'XSfvqmaccqoq' (SiFive Int8 Matrix Multiplication Instructions (4-by-8 and 8-by-4))",
[FeatureStdExtZve32x]>;
def HasVendorXSfvqmaccqoq : Predicate<"Subtarget->hasVendorXSfvqmaccqoq()">,
AssemblerPredicate<(all_of FeatureVendorXSfvqmaccqoq),
"'XSfvqmaccqoq' (SiFive Int8 Matrix Multiplication Instructions (4-by-8 and 8-by-4))">;
def FeatureVendorXSfvfwmaccqqq
: SubtargetFeature<"xsfvfwmaccqqq", "HasVendorXSfvfwmaccqqq", "true",
"'XSfvfwmaccqqq' (SiFive Matrix Multiply Accumulate Instruction and 4-by-4))",
[FeatureStdExtZve32f, FeatureStdExtZvfbfmin]>;
def HasVendorXSfvfwmaccqqq : Predicate<"Subtarget->hasVendorXSfvfwmaccqqq()">,
AssemblerPredicate<(all_of FeatureVendorXSfvfwmaccqqq),
"'XSfvfwmaccqqq' (SiFive Matrix Multiply Accumulate Instruction and 4-by-4))">;
def FeatureVendorXSfvfnrclipxfqf
: SubtargetFeature<"xsfvfnrclipxfqf", "HasVendorXSfvfnrclipxfqf", "true",
"'XSfvfnrclipxfqf' (SiFive FP32-to-int8 Ranged Clip Instructions)",
[FeatureStdExtZve32f]>;
def HasVendorXSfvfnrclipxfqf : Predicate<"Subtarget->hasVendorXSfvfnrclipxfqf()">,
AssemblerPredicate<(all_of FeatureVendorXSfvfnrclipxfqf),
"'XSfvfnrclipxfqf' (SiFive FP32-to-int8 Ranged Clip Instructions)">;
def FeatureVendorXCVelw
: SubtargetFeature<"xcvelw", "HasVendorXCVelw", "true",
"'XCVelw' (CORE-V Event Load Word)">;
def HasVendorXCVelw
: Predicate<"Subtarget->hasVendorXCVelw()">,
AssemblerPredicate<(any_of FeatureVendorXCVelw),
"'XCVelw' (CORE-V Event Load Word)">;
def FeatureVendorXCVbitmanip
: SubtargetFeature<"xcvbitmanip", "HasVendorXCVbitmanip", "true",
"'XCVbitmanip' (CORE-V Bit Manipulation)">;
def HasVendorXCVbitmanip : Predicate<"Subtarget->hasVendorXCVbitmanip()">,
AssemblerPredicate<(all_of FeatureVendorXCVbitmanip),
"'XCVbitmanip' (CORE-V Bit Manipulation)">;
def FeatureVendorXCVmac
: SubtargetFeature<"xcvmac", "HasVendorXCVmac", "true",
"'XCVmac' (CORE-V Multiply-Accumulate)">;
def HasVendorXCVmac : Predicate<"Subtarget->hasVendorXCVmac()">,
AssemblerPredicate<(all_of FeatureVendorXCVmac),
"'XCVmac' (CORE-V Multiply-Accumulate)">;
def FeatureVendorXCVmem
: SubtargetFeature<"xcvmem", "HasVendorXCVmem", "true",
"'XCVmem' (CORE-V Post-incrementing Load & Store)">;
def HasVendorXCVmem
: Predicate<"Subtarget->hasVendorXCVmem()">,
AssemblerPredicate<(any_of FeatureVendorXCVmem),
"'XCVmem' (CORE-V Post-incrementing Load & Store)">;
def FeatureVendorXCValu
: SubtargetFeature<"xcvalu", "HasVendorXCValu", "true",
"'XCValu' (CORE-V ALU Operations)">;
def HasVendorXCValu : Predicate<"Subtarget->hasVendorXCValu()">,
AssemblerPredicate<(all_of FeatureVendorXCValu),
"'XCValu' (CORE-V ALU Operations)">;
def FeatureVendorXCVsimd
: SubtargetFeature<"xcvsimd", "HasVendorXCvsimd", "true",
"'XCVsimd' (CORE-V SIMD ALU)">;
def HasVendorXCVsimd
: Predicate<"Subtarget->hasVendorXCVsimd()">,
AssemblerPredicate<(any_of FeatureVendorXCVsimd),
"'XCVsimd' (CORE-V SIMD ALU)">;
def FeatureVendorXCVbi
: SubtargetFeature<"xcvbi", "HasVendorXCVbi", "true",
"'XCVbi' (CORE-V Immediate Branching)">;
def HasVendorXCVbi : Predicate<"Subtarget->hasVendorXCVbi()">,
AssemblerPredicate<(all_of FeatureVendorXCVbi),
"'XCVbi' (CORE-V Immediate Branching)">;
//===----------------------------------------------------------------------===//
// LLVM specific features and extensions
//===----------------------------------------------------------------------===//
// Feature32Bit exists to mark CPUs that support RV32 to distinquish them from
// tuning CPU names.
def Feature32Bit
: SubtargetFeature<"32bit", "IsRV32", "true", "Implements RV32">;
def Feature64Bit
: SubtargetFeature<"64bit", "IsRV64", "true", "Implements RV64">;
def IsRV64 : Predicate<"Subtarget->is64Bit()">,
AssemblerPredicate<(all_of Feature64Bit),
"RV64I Base Instruction Set">;
def IsRV32 : Predicate<"!Subtarget->is64Bit()">,
AssemblerPredicate<(all_of (not Feature64Bit)),
"RV32I Base Instruction Set">;
defvar RV32 = DefaultMode;
def RV64 : HwMode<"+64bit", [IsRV64]>;
def FeatureRVE
: SubtargetFeature<"e", "IsRVE", "true",
"Implements RV{32,64}E (provides 16 rather than 32 GPRs)">;
def IsRVE : Predicate<"Subtarget->isRVE()">,
AssemblerPredicate<(all_of FeatureRVE)>;
def FeatureRelax
: SubtargetFeature<"relax", "EnableLinkerRelax", "true",
"Enable Linker relaxation.">;
foreach i = {1-31} in
def FeatureReserveX#i :
SubtargetFeature<"reserve-x"#i, "UserReservedRegister[RISCV::X"#i#"]",
"true", "Reserve X"#i>;
def FeatureSaveRestore : SubtargetFeature<"save-restore", "EnableSaveRestore",
"true", "Enable save/restore.">;
def FeatureTrailingSeqCstFence : SubtargetFeature<"seq-cst-trailing-fence",
"EnableSeqCstTrailingFence",
"true",
"Enable trailing fence for seq-cst store.">;
def FeatureFastUnalignedAccess
: SubtargetFeature<"fast-unaligned-access", "HasFastUnalignedAccess",
"true", "Has reasonably performant unaligned "
"loads and stores (both scalar and vector)">;
def FeaturePostRAScheduler : SubtargetFeature<"use-postra-scheduler",
"UsePostRAScheduler", "true", "Schedule again after register allocation">;
def TuneNoOptimizedZeroStrideLoad
: SubtargetFeature<"no-optimized-zero-stride-load", "HasOptimizedZeroStrideLoad",
"false", "Hasn't optimized (perform fewer memory operations)"
"zero-stride vector load">;
def Experimental
: SubtargetFeature<"experimental", "HasExperimental",
"true", "Experimental intrinsics">;
// Some vector hardware implementations do not process all VLEN bits in parallel
// and instead split over multiple cycles. DLEN refers to the datapath width
// that can be done in parallel.
def TuneDLenFactor2
: SubtargetFeature<"dlen-factor-2", "DLenFactor2", "true",
"Vector unit DLEN(data path width) is half of VLEN">;
def TuneLUIADDIFusion
: SubtargetFeature<"lui-addi-fusion", "HasLUIADDIFusion",
"true", "Enable LUI+ADDI macrofusion">;
def TuneAUIPCADDIFusion
: SubtargetFeature<"auipc-addi-fusion", "HasAUIPCADDIFusion",
"true", "Enable AUIPC+ADDI macrofusion">;
def TuneZExtHFusion
: SubtargetFeature<"zexth-fusion", "HasZExtHFusion",
"true", "Enable SLLI+SRLI to be fused to zero extension of halfword">;
def TuneZExtWFusion
: SubtargetFeature<"zextw-fusion", "HasZExtWFusion",
"true", "Enable SLLI+SRLI to be fused to zero extension of word">;
def TuneShiftedZExtWFusion
: SubtargetFeature<"shifted-zextw-fusion", "HasShiftedZExtWFusion",
"true", "Enable SLLI+SRLI to be fused when computing (shifted) zero extension of word">;
def TuneLDADDFusion
: SubtargetFeature<"ld-add-fusion", "HasLDADDFusion",
"true", "Enable LD+ADD macrofusion.">;
def TuneNoDefaultUnroll
: SubtargetFeature<"no-default-unroll", "EnableDefaultUnroll", "false",
"Disable default unroll preference.">;
// SiFive 7 is able to fuse integer ALU operations with a preceding branch
// instruction.
def TuneShortForwardBranchOpt
: SubtargetFeature<"short-forward-branch-opt", "HasShortForwardBranchOpt",
"true", "Enable short forward branch optimization">;
def HasShortForwardBranchOpt : Predicate<"Subtarget->hasShortForwardBranchOpt()">;
def NoShortForwardBranchOpt : Predicate<"!Subtarget->hasShortForwardBranchOpt()">;
def TuneConditionalCompressedMoveFusion
: SubtargetFeature<"conditional-cmv-fusion", "HasConditionalCompressedMoveFusion",
"true", "Enable branch+c.mv fusion">;
def HasConditionalMoveFusion : Predicate<"Subtarget->hasConditionalMoveFusion()">;
def NoConditionalMoveFusion : Predicate<"!Subtarget->hasConditionalMoveFusion()">;
def TuneSiFive7 : SubtargetFeature<"sifive7", "RISCVProcFamily", "SiFive7",
"SiFive 7-Series processors",
[TuneNoDefaultUnroll,
TuneShortForwardBranchOpt]>;
def TuneVentanaVeyron : SubtargetFeature<"ventana-veyron", "RISCVProcFamily", "VentanaVeyron",
"Ventana Veyron-Series processors">;
// Assume that lock-free native-width atomics are available, even if the target
// and operating system combination would not usually provide them. The user
// is responsible for providing any necessary __sync implementations. Code
// built with this feature is not ABI-compatible with code built without this
// feature, if atomic variables are exposed across the ABI boundary.
def FeatureForcedAtomics : SubtargetFeature<
"forced-atomics", "HasForcedAtomics", "true",
"Assume that lock-free native-width atomics are available">;
def HasAtomicLdSt
: Predicate<"Subtarget->hasStdExtA() || Subtarget->hasForcedAtomics()">;
def FeatureTaggedGlobals : SubtargetFeature<"tagged-globals",
"AllowTaggedGlobals",
"true", "Use an instruction sequence for taking the address of a global "
"that allows a memory tag in the upper address bits">;
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