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ir: Add an opcode for doing an SM4 lookup table query

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This commit is contained in:
Lioncash
2018-05-07 08:29:12 -04:00
committed by MerryMage
parent 27a6d5f6ce
commit b312d28295
7 changed files with 106 additions and 0 deletions
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4
src/frontend/ir/ir_emitter.cpp
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@@ -683,6 +683,10 @@ U128 IREmitter::AESMixColumns(const U128& a) {
return Inst<U128>(Opcode::AESMixColumns, a);
}
U8 IREmitter::SM4AccessSubstitutionBox(const U8& a) {
return Inst<U8>(Opcode::SM4AccessSubstitutionBox, a);
}
UAny IREmitter::VectorGetElement(size_t esize, const U128& a, size_t index) {
ASSERT_MSG(esize * index < 128, "Invalid index");
switch (esize) {

2
src/frontend/ir/ir_emitter.h
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@@ -188,6 +188,8 @@ public:
U128 AESInverseMixColumns(const U128& a);
U128 AESMixColumns(const U128& a);
U8 SM4AccessSubstitutionBox(const U8& a);
UAny VectorGetElement(size_t esize, const U128& a, size_t index);
U128 VectorSetElement(size_t esize, const U128& a, size_t index, const UAny& elem);
U128 VectorAbs(size_t esize, const U128& a);

4
src/frontend/ir/opcodes.inc
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@@ -202,6 +202,10 @@ OPCODE(AESDecryptSingleRound, T::U128, T::U128
OPCODE(AESEncryptSingleRound, T::U128, T::U128 )
OPCODE(AESInverseMixColumns, T::U128, T::U128 )
OPCODE(AESMixColumns, T::U128, T::U128 )
// SM4 instructions
OPCODE(SM4AccessSubstitutionBox, T::U8, T::U8 )
// Vector instructions
OPCODE(VectorGetElement8, T::U8, T::U128, T::U8 )
OPCODE(VectorGetElement16, T::U16, T::U128, T::U8 )