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A64: Implement UQSHRN, UQRSHRN (vector)

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This commit is contained in:
MerryMage 2018-07-24 18:54:28 +01:00
parent 8f4c1a8558
commit f0fecf2615
2 changed files with 14 additions and 4 deletions
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4
src/frontend/A64/decoder/a64.inc
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@ -813,8 +813,8 @@ INST(SLI_2, "SLI", "0Q101
//INST(UQSHL_imm_2, "UQSHL (immediate)", "0Q1011110IIIIiii011101nnnnnddddd")
INST(SQSHRUN_2, "SQSHRUN, SQSHRUN2", "0Q1011110IIIIiii100001nnnnnddddd")
INST(SQRSHRUN_2, "SQRSHRUN, SQRSHRUN2", "0Q1011110IIIIiii100011nnnnnddddd")
//INST(UQSHRN_2, "UQSHRN, UQSHRN2", "0Q1011110IIIIiii100101nnnnnddddd")
//INST(UQRSHRN_2, "UQRSHRN, UQRSHRN2", "0Q1011110IIIIiii100111nnnnnddddd")
INST(UQSHRN_2, "UQSHRN, UQSHRN2", "0Q1011110IIIIiii100101nnnnnddddd")
INST(UQRSHRN_2, "UQRSHRN, UQRSHRN2", "0Q1011110IIIIiii100111nnnnnddddd")
INST(USHLL, "USHLL, USHLL2", "0Q1011110IIIIiii101001nnnnnddddd")
//INST(UCVTF_fix_2, "UCVTF (vector, fixed-point)", "0Q1011110IIIIiii111001nnnnnddddd")
//INST(FCVTZU_fix_2, "FCVTZU (vector, fixed-point)", "0Q1011110IIIIiii111111nnnnnddddd")

14
src/frontend/A64/translate/impl/simd_shift_by_immediate.cpp
View file

@ -109,8 +109,10 @@ bool ShiftRightNarrowing(TranslatorVisitor& v, bool Q, Imm<4> immh, Imm<3> immb,
case Narrowing::Truncation:
return v.ir.VectorNarrow(source_esize, wide_result);
case Narrowing::SaturateToUnsigned:
ASSERT(signedness == Signedness::Signed);
return v.ir.VectorSignedSaturatedNarrowToUnsigned(source_esize, wide_result);
if (signedness == Signedness::Signed) {
return v.ir.VectorSignedSaturatedNarrowToUnsigned(source_esize, wide_result);
}
return v.ir.VectorUnsignedSaturatedNarrow(source_esize, wide_result);
case Narrowing::SaturateToSigned:
ASSERT(signedness == Signedness::Signed);
return v.ir.VectorSignedSaturatedNarrowToSigned(source_esize, wide_result);
@ -212,6 +214,14 @@ bool TranslatorVisitor::SQRSHRUN_2(bool Q, Imm<4> immh, Imm<3> immb, Vec Vn, Vec
return ShiftRightNarrowing(*this, Q, immh, immb, Vn, Vd, Rounding::Round, Narrowing::SaturateToUnsigned, Signedness::Signed);
}
bool TranslatorVisitor::UQSHRN_2(bool Q, Imm<4> immh, Imm<3> immb, Vec Vn, Vec Vd) {
return ShiftRightNarrowing(*this, Q, immh, immb, Vn, Vd, Rounding::None, Narrowing::SaturateToUnsigned, Signedness::Unsigned);
}
bool TranslatorVisitor::UQRSHRN_2(bool Q, Imm<4> immh, Imm<3> immb, Vec Vn, Vec Vd) {
return ShiftRightNarrowing(*this, Q, immh, immb, Vn, Vd, Rounding::Round, Narrowing::SaturateToUnsigned, Signedness::Unsigned);
}
bool TranslatorVisitor::SSHLL(bool Q, Imm<4> immh, Imm<3> immb, Vec Vn, Vec Vd) {
return ShiftLeftLong(*this, Q, immh, immb, Vn, Vd, Signedness::Signed);
}