From 9c03311fed905e58e29cc4709b87e36dfee21ee2 Mon Sep 17 00:00:00 2001 From: Lioncash Date: Wed, 5 Sep 2018 17:14:02 -0400 Subject: [PATCH] A64: Implement SQDMULH's vector variant --- src/frontend/A64/decoder/a64.inc | 2 +- .../A64/translate/impl/simd_three_same.cpp | 16 ++++++++++++++++ 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc index 8dd34637..acac7608 100644 --- a/src/frontend/A64/decoder/a64.inc +++ b/src/frontend/A64/decoder/a64.inc @@ -722,7 +722,7 @@ INST(MLA_vec, "MLA (vector)", "0Q001 INST(MUL_vec, "MUL (vector)", "0Q001110zz1mmmmm100111nnnnnddddd") INST(SMAXP, "SMAXP", "0Q001110zz1mmmmm101001nnnnnddddd") INST(SMINP, "SMINP", "0Q001110zz1mmmmm101011nnnnnddddd") -//INST(SQDMULH_vec_2, "SQDMULH (vector)", "0Q001110zz1mmmmm101101nnnnnddddd") +INST(SQDMULH_vec_2, "SQDMULH (vector)", "0Q001110zz1mmmmm101101nnnnnddddd") INST(ADDP_vec, "ADDP (vector)", "0Q001110zz1mmmmm101111nnnnnddddd") INST(FMAXNM_2, "FMAXNM (vector)", "0Q0011100z1mmmmm110001nnnnnddddd") INST(FMLA_vec_2, "FMLA (vector)", "0Q0011100z1mmmmm110011nnnnnddddd") diff --git a/src/frontend/A64/translate/impl/simd_three_same.cpp b/src/frontend/A64/translate/impl/simd_three_same.cpp index 06da5ea6..19d6265d 100644 --- a/src/frontend/A64/translate/impl/simd_three_same.cpp +++ b/src/frontend/A64/translate/impl/simd_three_same.cpp @@ -422,6 +422,22 @@ bool TranslatorVisitor::SMINP(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) { return PairedMinMaxOperation(*this, Q, size, Vm, Vn, Vd, MinMaxOperation::Min, Signedness::Signed); } +bool TranslatorVisitor::SQDMULH_vec_2(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) { + if (size == 0b00 || size == 0b11) { + return ReservedValue(); + } + + const size_t esize = 8 << size.ZeroExtend(); + const size_t datasize = Q ? 128 : 64; + + const IR::U128 operand1 = V(datasize, Vn); + const IR::U128 operand2 = V(datasize, Vm); + const IR::U128 result = ir.VectorSignedSaturatedDoublingMultiplyReturnHigh(esize, operand1, operand2); + + V(datasize, Vd, result); + return true; +} + bool TranslatorVisitor::ADD_vector(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) { if (size == 0b11 && !Q) return ReservedValue(); const size_t esize = 8 << size.ZeroExtend();