From 6c9b4f0114becd2519edf1c0e172fb9819748b0e Mon Sep 17 00:00:00 2001 From: MerryMage Date: Sun, 11 Feb 2018 11:44:00 +0000 Subject: [PATCH] A64: Implement CNT --- src/frontend/A64/decoder/a64.inc | 2 +- .../A64/translate/impl/simd_two_register_misc.cpp | 13 +++++++++++++ 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc index 314d4b80..a5f94758 100644 --- a/src/frontend/A64/decoder/a64.inc +++ b/src/frontend/A64/decoder/a64.inc @@ -633,7 +633,7 @@ INST(INS_elt, "INS (element)", "01101 //INST(REV16_asimd, "REV16 (vector)", "0Q001110zz100000000110nnnnnddddd") //INST(SADDLP, "SADDLP", "0Q001110zz100000001010nnnnnddddd") //INST(CLS_asimd, "CLS (vector)", "0Q001110zz100000010010nnnnnddddd") -//INST(CNT, "CNT", "0Q001110zz100000010110nnnnnddddd") +INST(CNT, "CNT", "0Q001110zz100000010110nnnnnddddd") //INST(SADALP, "SADALP", "0Q001110zz100000011010nnnnnddddd") INST(XTN, "XTN, XTN2", "0Q001110zz100001001010nnnnnddddd") //INST(FCVTN, "FCVTN, FCVTN2", "0Q0011100z100001011010nnnnnddddd") diff --git a/src/frontend/A64/translate/impl/simd_two_register_misc.cpp b/src/frontend/A64/translate/impl/simd_two_register_misc.cpp index 3d4500e7..27cf3c40 100644 --- a/src/frontend/A64/translate/impl/simd_two_register_misc.cpp +++ b/src/frontend/A64/translate/impl/simd_two_register_misc.cpp @@ -8,6 +8,19 @@ namespace Dynarmic::A64 { +bool TranslatorVisitor::CNT(bool Q, Imm<2> size, Vec Vn, Vec Vd) { + if (size != 0b00) { + return ReservedValue(); + } + const size_t datasize = Q ? 128 : 64; + + const IR::U128 operand = V(datasize, Vn); + const IR::U128 result = ir.VectorPopulationCount(operand); + + V(datasize, Vd, result); + return true; +} + bool TranslatorVisitor::XTN(bool Q, Imm<2> size, Vec Vn, Vec Vd) { if (size == 0b11) { return ReservedValue();