A64: Implement SQNEG's scalar and vector variant
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3 changed files with 27 additions and 2 deletions
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@ -414,7 +414,7 @@ INST(CMLT_1, "CMLT (zero)", "01011
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INST(ABS_1, "ABS", "01011110zz100000101110nnnnnddddd")
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INST(ABS_1, "ABS", "01011110zz100000101110nnnnnddddd")
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INST(SQXTN_1, "SQXTN, SQXTN2", "01011110zz100001010010nnnnnddddd")
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INST(SQXTN_1, "SQXTN, SQXTN2", "01011110zz100001010010nnnnnddddd")
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//INST(USQADD_1, "USQADD", "01111110zz100000001110nnnnnddddd")
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//INST(USQADD_1, "USQADD", "01111110zz100000001110nnnnnddddd")
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//INST(SQNEG_1, "SQNEG", "01111110zz100000011110nnnnnddddd")
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INST(SQNEG_1, "SQNEG", "01111110zz100000011110nnnnnddddd")
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INST(CMGE_zero_1, "CMGE (zero)", "01111110zz100000100010nnnnnddddd")
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INST(CMGE_zero_1, "CMGE (zero)", "01111110zz100000100010nnnnnddddd")
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INST(CMLE_1, "CMLE (zero)", "01111110zz100000100110nnnnnddddd")
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INST(CMLE_1, "CMLE (zero)", "01111110zz100000100110nnnnnddddd")
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INST(NEG_1, "NEG (vector)", "01111110zz100000101110nnnnnddddd")
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INST(NEG_1, "NEG (vector)", "01111110zz100000101110nnnnnddddd")
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@ -618,7 +618,7 @@ INST(UADDLP, "UADDLP", "0Q101
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//INST(USQADD_2, "USQADD", "0Q101110zz100000001110nnnnnddddd")
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//INST(USQADD_2, "USQADD", "0Q101110zz100000001110nnnnnddddd")
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//INST(CLZ_asimd, "CLZ (vector)", "0Q101110zz100000010010nnnnnddddd")
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//INST(CLZ_asimd, "CLZ (vector)", "0Q101110zz100000010010nnnnnddddd")
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INST(UADALP, "UADALP", "0Q101110zz100000011010nnnnnddddd")
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INST(UADALP, "UADALP", "0Q101110zz100000011010nnnnnddddd")
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//INST(SQNEG_2, "SQNEG", "0Q101110zz100000011110nnnnnddddd")
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INST(SQNEG_2, "SQNEG", "0Q101110zz100000011110nnnnnddddd")
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INST(CMGE_zero_2, "CMGE (zero)", "0Q101110zz100000100010nnnnnddddd")
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INST(CMGE_zero_2, "CMGE (zero)", "0Q101110zz100000100010nnnnnddddd")
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INST(CMLE_2, "CMLE (zero)", "0Q101110zz100000100110nnnnnddddd")
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INST(CMLE_2, "CMLE (zero)", "0Q101110zz100000100110nnnnnddddd")
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INST(NEG_2, "NEG (vector)", "0Q101110zz100000101110nnnnnddddd")
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INST(NEG_2, "NEG (vector)", "0Q101110zz100000101110nnnnnddddd")
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@ -215,6 +215,16 @@ bool TranslatorVisitor::SQABS_1(Imm<2> size, Vec Vn, Vec Vd) {
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return true;
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return true;
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}
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}
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bool TranslatorVisitor::SQNEG_1(Imm<2> size, Vec Vn, Vec Vd) {
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const size_t esize = 8 << size.ZeroExtend();
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const IR::U128 operand = ir.ZeroExtendToQuad(ir.VectorGetElement(esize, V(128, Vn), 0));
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const IR::U128 result = ir.VectorSignedSaturatedNeg(esize, operand);
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V(128, Vd, result);
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return true;
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}
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bool TranslatorVisitor::SQXTN_1(Imm<2> size, Vec Vn, Vec Vd) {
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bool TranslatorVisitor::SQXTN_1(Imm<2> size, Vec Vn, Vec Vd) {
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return SaturatedNarrow(*this, size, Vn, Vd, &IREmitter::VectorSignedSaturatedNarrowToSigned);
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return SaturatedNarrow(*this, size, Vn, Vd, &IREmitter::VectorSignedSaturatedNarrowToSigned);
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}
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}
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@ -614,6 +614,21 @@ bool TranslatorVisitor::SQABS_2(bool Q, Imm<2> size, Vec Vn, Vec Vd) {
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return true;
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return true;
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}
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}
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bool TranslatorVisitor::SQNEG_2(bool Q, Imm<2> size, Vec Vn, Vec Vd) {
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if (size == 0b11 && !Q) {
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return ReservedValue();
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}
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const size_t esize = 8 << size.ZeroExtend();
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const size_t datasize = Q ? 128 : 64;
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const IR::U128 operand = V(datasize, Vn);
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const IR::U128 result = ir.VectorSignedSaturatedNeg(esize, operand);
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V(datasize, Vd, result);
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return true;
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}
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bool TranslatorVisitor::SADALP(bool Q, Imm<2> size, Vec Vn, Vec Vd) {
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bool TranslatorVisitor::SADALP(bool Q, Imm<2> size, Vec Vn, Vec Vd) {
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return PairedAddLong(*this, Q, size, Vn, Vd, Signedness::Signed, PairedAddLongExtraBehavior::Accumulate);
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return PairedAddLong(*this, Q, size, Vn, Vd, Signedness::Signed, PairedAddLongExtraBehavior::Accumulate);
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}
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}
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