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A64: Implement INS (general)

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MerryMage
2018-02-03 13:07:00 +00:00
parent d13704fdef
commit 0bb4474fb9
2 changed files with 16 additions and 1 deletions
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15
src/frontend/A64/translate/impl/simd_copy.cpp
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@@ -73,6 +73,21 @@ bool TranslatorVisitor::UMOV(bool Q, Imm<5> imm5, Vec Vn, Reg Rd) {
return true;
}
bool TranslatorVisitor::INS_gen(Imm<5> imm5, Reg Rn, Vec Vd) {
const size_t size = Common::LowestSetBit(imm5.ZeroExtend());
if (size > 3) return UnallocatedEncoding();
const size_t index = imm5.ZeroExtend<size_t>() >> (size + 1);
const size_t esize = 8 << size;
const size_t datasize = 128;
const IR::UAny element = X(esize, Rn);
const IR::U128 result = ir.VectorSetElement(esize, V(datasize, Vd), index, element);
V(datasize, Vd, result);
return true;
}
bool TranslatorVisitor::INS_elt(Imm<5> imm5, Imm<4> imm4, Vec Vn, Vec Vd) {
const size_t size = Common::LowestSetBit(imm5.ZeroExtend());
if (size > 3) return UnallocatedEncoding();