diff options
Diffstat (limited to 'llvm/lib/Target/RISCV/RISCV.td')
| -rw-r--r-- | llvm/lib/Target/RISCV/RISCV.td | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCV.td b/llvm/lib/Target/RISCV/RISCV.td index 378720bc6b26..2b6ea4067a8e 100644 --- a/llvm/lib/Target/RISCV/RISCV.td +++ b/llvm/lib/Target/RISCV/RISCV.td @@ -163,6 +163,21 @@ def HasStdExtZbbOrZbpOrZbkb "'Zbp' (Permutation 'B' Instructions) 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 'B' Instructions) or " + "'Zbkc' (Carry-less multiply instructions for Cryptography)">; + def FeatureNoRVCHints : SubtargetFeature<"no-rvc-hints", "EnableRVCHintInstrs", "false", "Disable RVC Hint Instructions.">; |